CN204062645U - A kind of high-efficient heat-dissipating LED street lamp - Google Patents
A kind of high-efficient heat-dissipating LED street lamp Download PDFInfo
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- CN204062645U CN204062645U CN201320865190.4U CN201320865190U CN204062645U CN 204062645 U CN204062645 U CN 204062645U CN 201320865190 U CN201320865190 U CN 201320865190U CN 204062645 U CN204062645 U CN 204062645U
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Abstract
The utility model discloses a kind of high-efficient heat-dissipating LED street lamp, belong to technical field of electric appliance illumination.A kind of high-efficient heat-dissipating LED street lamp of the present utility model, comprise lamp housing, printed circuit board (PCB), radiating module, diffuser, go out light microscopic and light-emitting diode component, lamp housing top is provided with an opening, this opening part is provided with unpowered rotating wind wheel, lamp housing and diffuser enclose formation spatial accommodation, radiating module, printed circuit board (PCB), go out light microscopic and light-emitting diode component is arranged in above-mentioned spatial accommodation, printed circuit board (PCB) one side is bonding with radiating module, another side is bonding with light-emitting diode component, light microscopic is installed out in the exit of light-emitting diode component, diffuser is positioned at the below of light microscopic, and this diffuser is coated with phosphor powder layer on the inner surface of light-emitting diode component.The utility model provides a kind of radiating module and unpowered rotating wind wheel acts on simultaneously, and radiating rate is fast, effective, prevents Yin Wendu too high and the high-efficient heat-dissipating LED street lamp of damage.
Description
Technical field
The utility model relates to a kind of LED street lamp, more particularly, relates to a kind of high-efficient heat-dissipating LED street lamp.
Background technology
Since Edison invented electric light in 1882, artificial lighting source experienced by incandescent lamp, fluorescent lamp and gas-discharge lamp three phases.Fluorescent light is used in a large number at present in indoor, then gas-discharge lamp is used in a large number in outdoor, gas-discharge lamp utilizes electric current to be made by the principle of luminescence when the gas in lamp or steam, need rectifier build-up of luminance, building-out capacitor is needed in operation, to improve power factor, according to the requirement of road actual illumination, street lighting light source adopts high-pressure sodium lamp, low-pressure sodium lamp or high-pressure mercury lamp usually.It is high that these light sources have light efficiency, photochromic good, the feature that the life-span is long.Weak point is: light colour rendering is poor, and light and start slowly, power factor is low.In addition high-pressure sodium lamp light source contains poisonous mercury, can cause certain harm to environment.
In recent years, along with LED scientific research development and the chip technology level of production constantly promote, high-power LED encapsulation technology is ripe gradually, and LED luminous efficiency is greatly improved, and its application is progressively widened.LED is a kind of cold light source, and its principle of luminosity is that electronics goes out photon through composite straight sending and receiving, do not need the process of heat, but the efficiency of LED when electric energy being transferred to luminous energy is not 100%, also can produce with heat, and take care of the pence while luminescence.If heat can not get fully distributing, LED internals will produce mechanical stress because thermal coefficient of expansion is different, and this stress can cause LED fault.Junction temperature rising LED luminous efficiency can sharply decline, and too high temperature also can shorten the service life of the LED that even terminates.Therefore, the structural design of road lamp system and heat dissipation technology research are the important technological problems that must consider.
Summary of the invention
1. the utility model technical problem that will solve
It is bad that the purpose of this utility model is to overcome LED street lamp of the prior art heat radiation, cause the deficiency of street lamp damage or the lost of life, provide a kind of high-efficient heat-dissipating LED street lamp, adopt the technical solution of the utility model, radiating module and unpowered rotating wind wheel dispel the heat simultaneously, speed is fast, effective, effectively prevents LED street lamp Yin Wendu too high and impact uses.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of high-efficient heat-dissipating LED street lamp of the present utility model, comprise lamp housing, printed circuit board (PCB), radiating module, diffuser, go out light microscopic and light-emitting diode component, described lamp housing top is provided with an opening, this opening part is provided with unpowered rotating wind wheel, described lamp housing and diffuser enclose formation spatial accommodation, described radiating module, printed circuit board (PCB), go out light microscopic and light-emitting diode component is arranged in above-mentioned spatial accommodation, described printed circuit board (PCB) one side is bonding with radiating module, another side is bonding with light-emitting diode component, light microscopic is installed out in the exit of described light-emitting diode component, described diffuser is positioned at the below of light microscopic, and this diffuser is coated with phosphor powder layer on the inner surface of light-emitting diode component.
Further, the quantity of described light-emitting diode component is two or more, and is connected in parallel between each light-emitting diode component.
Further, also comprise temperature inductor and control to be switched to the intelligent control chip of another light-emitting diode component work when the temperature that temperature inductor senses reaches and pre-sets temperature upper limit, above-mentioned each light-emitting diode component is connected to a temperature inductor, and above-mentioned each temperature inductor is all connected to intelligent control chip.
Further, described radiating module comprises heat sink body and flank stack of laminations, and described flank stack of laminations is connected in the both sides of heat sink body, is provided with several equally distributed radiating fins in described heat sink body cavity.
Further, described phosphor powder layer comprises the mixture of yttrium aluminium garnet fluorescent powder and epoxy resin colloid.
Further, described diffuser is polycarbonate engineering plastic.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with existing known technology, has following beneficial effect:
(1) a kind of high-efficient heat-dissipating LED street lamp of the present utility model, radiating module and unpowered rotating wind wheel act on simultaneously, accelerate air flowing, can walk heat by window, be conducive to slowing down light decay, and extend service life of the present utility model;
(2) a kind of high-efficient heat-dissipating LED street lamp of the present utility model, also there is temperature inductor and control to be switched to the intelligent control chip of another light-emitting diode component work when the temperature that temperature inductor senses reaches the temperature upper limit pre-set, further the temperature of light-emitting diode component is controlled within the specific limits, prevent it from damaging because temperature is too high;
(3) a kind of high-efficient heat-dissipating LED street lamp of the present utility model, is coated with phosphor powder layer at its diffuser on the inner surface of light-emitting diode component, and due to the scattering properties of fluorescent material itself, make illumination more evenly soft, light efficiency is higher;
(4) a kind of high-efficient heat-dissipating LED street lamp of the present utility model, reasonable in design, simple to operate, radiating efficiency is high, is applicable to Long-Time Service.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of high-efficient heat-dissipating LED street lamp of the present utility model;
Fig. 2 is the upward view of a kind of high-efficient heat-dissipating LED street lamp of the present utility model.
Label declaration in schematic diagram:
1, lamp housing; 2, heat sink body; 3, wind wheel; 4, flank stack of laminations; 5, printed circuit board (PCB); 6, diffuser; 7, light microscopic is gone out; 8, light-emitting diode component.
Detailed description of the invention
For understanding content of the present utility model further, by reference to the accompanying drawings the utility model is described in detail.
Composition graphs 1 and Fig. 2, a kind of high-efficient heat-dissipating LED street lamp of the present utility model, comprise lamp housing 1, printed circuit board (PCB) 5, radiating module, diffuser 6, go out light microscopic 7 and light-emitting diode component 8, lamp housing 1 top is provided with an opening, this opening part is provided with unpowered rotating wind wheel 3, lamp housing 1 and diffuser 6 enclose formation spatial accommodation, radiating module, printed circuit board (PCB) 5, go out light microscopic 7 and light-emitting diode component 8 is arranged in above-mentioned spatial accommodation, printed circuit board (PCB) 5 one side is bonding with radiating module, another side is bonding with light-emitting diode component 8, light microscopic 7 is installed out in the exit of light-emitting diode component 8, diffuser 6 is positioned at the below of light microscopic 7, and this diffuser 6 is coated with phosphor powder layer on the inner surface of light-emitting diode component 8.
Below in conjunction with embodiment, the utility model will be further described.
Embodiment
As depicted in figs. 1 and 2, a kind of high-efficient heat-dissipating LED street lamp of the present embodiment, comprise lamp housing 1, printed circuit board (PCB) 5, radiating module, diffuser 6, go out light microscopic 7 and light-emitting diode component 8, lamp housing 1 and diffuser 6 enclose formation spatial accommodation, radiating module, printed circuit board (PCB) 5, go out light microscopic 7 and light-emitting diode component 8 is arranged in above-mentioned spatial accommodation, radiating module comprises heat sink body 2 and flank stack of laminations 4, flank stack of laminations 4 is connected in the both sides of heat sink body 2, several equally distributed radiating fins are provided with in heat sink body 2 cavity, air flowing can be accelerated, window walks heat, the flank stack of laminations 4 being simultaneously arranged on heat sink body 2 both sides increases area of dissipation, heat is more easily distributed, be conducive to slowing down light decay, and extend service life of the present utility model.Printed circuit board (PCB) 5 one side is bonding with radiating module, another side is bonding with light-emitting diode component 8, the quantity of light-emitting diode component 8 is two or more, and is connected in parallel between each light-emitting diode component 8, containing eight light-emitting diode components 8 in the present embodiment.Light microscopic 7 is installed out in the exit of light-emitting diode component 8; diffuser 6 is positioned at the below of light microscopic 7, has disperse function to light, is dispersed by the light that light-emitting diode component 8 sends to surrounding; increase the beam angle of whole street lamp, diffuser 6 also serves certain protection and dustproof effect simultaneously.Diffuser 6 is polycarbonate engineering plastic, on the inner surface of light-emitting diode component 8, phosphor powder layer is coated with at this diffuser 6, the phosphor powder layer of the present embodiment adopts the mixture of yttrium aluminium garnet fluorescent powder and epoxy resin colloid, due to the scattering properties of fluorescent material itself, illumination can be made more evenly soft, and light efficiency is higher.
Lamp housing 1 top of the present embodiment is provided with an opening, this opening part is provided with a unpowered rotating wind wheel 3, wind wheel 3 in the present embodiment is made up of seat under arc fan blade, the circular seat of honour and circle, the gaps such as arc fan blade to be arranged under the circular seat of honour and circle between seat, formed spherical.This wind wheel 3 can rotate along with the wind in the temperature difference in above-mentioned spatial accommodation and draught head or the external world; Offer several air inlets bottom lamp housing 1, air inlet communicates with wind wheel 3, due to being obliquely installed of street lamp, when rainwater enters lamp housing 1 inside from wind wheel 3, can flowing to the air inlet that be positioned at lower, and then flow to ground along lamp stand along lamp housing 1 inwall.Adopt this structure not only good water-proof effect, reasonable in design, and also rainwater flows in lamp chamber and also serves certain thermolysis.
A kind of high-efficient heat-dissipating LED street lamp of the present embodiment, also comprise temperature inductor and when the temperature that temperature inductor senses reach pre-set temperature upper limit time control be switched to another light-emitting diode component 8 work intelligent control chip, each light-emitting diode component 8 connects a temperature inductor respectively, each temperature inductor is all connected to same intelligent control chip, achieve and further the temperature of light-emitting diode component 8 is controlled within the specific limits, prevent it from damaging because temperature is too high.
Schematically above be described the utility model and embodiment thereof, this description does not have restricted, and also just one of the embodiment of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (6)
1. a high-efficient heat-dissipating LED street lamp, it is characterized in that: comprise lamp housing (1), printed circuit board (PCB) (5), radiating module, diffuser (6), go out light microscopic (7) and light-emitting diode component (8), described lamp housing (1) top is provided with an opening, this opening part is provided with unpowered rotating wind wheel (3), described lamp housing (1) and diffuser (6) enclose formation spatial accommodation, described radiating module, printed circuit board (PCB) (5), go out light microscopic (7) and light-emitting diode component (8) is arranged in above-mentioned spatial accommodation, described printed circuit board (PCB) (5) one side is bonding with radiating module, another side is bonding with light-emitting diode component (8), light microscopic (7) is installed out in the exit of described light-emitting diode component (8), described diffuser (6) is positioned at the below of light microscopic (7), and this diffuser (6) is coated with phosphor powder layer on the inner surface of light-emitting diode component (8).
2. a kind of high-efficient heat-dissipating LED street lamp according to claim 1, is characterized in that: the quantity of described light-emitting diode component (8) is two or more, and is connected in parallel between each light-emitting diode component (8).
3. a kind of high-efficient heat-dissipating LED street lamp according to claim 2, it is characterized in that: also comprise temperature inductor and control to be switched to the intelligent control chip that another light-emitting diode component (8) works when the temperature that temperature inductor senses reaches and pre-sets temperature upper limit, above-mentioned each light-emitting diode component (8) is connected to a temperature inductor, and above-mentioned each temperature inductor is all connected to intelligent control chip.
4. a kind of high-efficient heat-dissipating LED street lamp according to Claims 2 or 3, it is characterized in that: described radiating module comprises heat sink body (2) and flank stack of laminations (4), described flank stack of laminations (4) is connected in the both sides of heat sink body (2), is provided with several equally distributed radiating fins in described heat sink body (2) cavity.
5. a kind of high-efficient heat-dissipating LED street lamp according to claim 1, is characterized in that: described phosphor powder layer comprises the mixture of yttrium aluminium garnet fluorescent powder and epoxy resin colloid.
6. a kind of high-efficient heat-dissipating LED street lamp according to claim 1, is characterized in that: described diffuser (6) is polycarbonate engineering plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865190.4U CN204062645U (en) | 2013-12-26 | 2013-12-26 | A kind of high-efficient heat-dissipating LED street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320865190.4U CN204062645U (en) | 2013-12-26 | 2013-12-26 | A kind of high-efficient heat-dissipating LED street lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204062645U true CN204062645U (en) | 2014-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320865190.4U Expired - Fee Related CN204062645U (en) | 2013-12-26 | 2013-12-26 | A kind of high-efficient heat-dissipating LED street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204062645U (en) |
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2013
- 2013-12-26 CN CN201320865190.4U patent/CN204062645U/en not_active Expired - Fee Related
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| 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 |
Granted publication date: 20141231 Termination date: 20171226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |