CN201696999U - Modularized LED projection lamp utilizing airflow to achieve natural heat radiation - Google Patents
Modularized LED projection lamp utilizing airflow to achieve natural heat radiation Download PDFInfo
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- CN201696999U CN201696999U CN201020236418XU CN201020236418U CN201696999U CN 201696999 U CN201696999 U CN 201696999U CN 201020236418X U CN201020236418X U CN 201020236418XU CN 201020236418 U CN201020236418 U CN 201020236418U CN 201696999 U CN201696999 U CN 201696999U
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- 230000005855 radiation Effects 0.000 title claims abstract description 12
- 238000005286 illumination Methods 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 3
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 210000005069 ears Anatomy 0.000 abstract 2
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 239000003570 air Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 241000258971 Brachiopoda Species 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241000237983 Trochidae Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
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Abstract
The utility model belongs to the semiconductor illumination field and particularly relates to a modularized LED projection lamp utilizing airflow to achieve natural heat radiation. The LED projection lamp comprises a lamp housing, a lamp bracket, LED modules and anchor ears, wherein the lamp housing is connected with the lamp bracket through a connecting piece; the LED modules are placed on the lamp bracket and a gap is remained between adjacent LED modules; the anchor ears fixed on the lamp bracket are arranged at two ends of the LED module in the middle; and breathing holes or ventilation gaps are formed on two sides of the lamp housing. The utility model adopts the high-power white-light LED as the light source of the projection lamp, and adopts the exclusive projection lamp LED modules which can meet the light distribution requirements and protection grade requirements IP65, so as to meet the illumination requirements and at the same time lower the design and installation difficulty of the projection lamp; and since the gaps are formed among the LED modules and the holes are formed in the housing, radiating channels can be formed by the airflow, thereby greatly improving the heat radiation efficiency and guaranteeing proper service temperature range of the LED.
Description
Technical field
The utility model belongs to field of semiconductor illumination, relates to a kind of LED of using as light source, particularly a kind of modularized limit emitting diode (LED) projecting lamp that utilizes airflow for natural heat radiation.
Background technology
Along with the continuous progress of LED manufacturing technology, its light efficiency improves constantly, and by the end of at present, the light efficiency of laboratory large power white light LED has surpassed 190lm/W, and the light efficiency of matured product has also reached 100lm/W on the market.This light efficiency value has represented the potentiality of LED in the general illumination field.
Compare with conventional light source, LED has the advantage of a lot of uniquenesses again, and is little such as luminous point, be easy to carry out optical design, and projecting lamp efficient can do very highly, therefore compares with conventional light source to have huge energy-saving potential.In addition, the LED life-span is long, and shock resistance is good, the colour rendering index height, and these characteristics all make LED in general illumination is used advantageous advantage be arranged.
Yet also there are now some LED projecting lamps to occur on the market, but do not have fully to understand the characteristic of LED and the environment for use of projecting lamp during the design of these projecting lamps, aspect heat dissipation design, have very big problem.The LED projecting lamp that existing market occurs is that monoblock type is incorporate mostly, and all led light sources all are sealed in the cavity of sealing.Fin by the projecting lamp back during projecting lamp work dispels the heat, but in order to improve radiating efficiency, fin generally directly exposes in air, this just makes airborne greasy dirt and dust be easy to pile up on fin, influence the radiating efficiency of projecting lamp, thereby influenced service behaviour and the life-span of LED.Adopt simultaneously mode such as fluid sealant that the sealing of elements such as LED is formed one and be difficult to the integral body dismantled owing to the requirement of degree of protection, i.e. integral LED projecting lamp, on-site maintenance is very difficult like this.
The utility model content
The purpose of this utility model is to provide a kind of modularized limit emitting diode (LED) projecting lamp that utilizes airflow for natural heat radiation in conjunction with thermodynamic principles.
The modularized limit emitting diode (LED) projecting lamp that utilizes airflow for natural heat radiation that the utility model proposes is made up of lamp housing 1, lamp bracket 2, LED module 3 and anchor ear 4, and wherein: lamp housing 1 one sides connect lamp bracket 2 one sides by connector, and lamp housing 1 can be that axle is opened or closure with the connector; Be placed with LED module 3 on the lamp bracket 2, the quantity of LED module 3 is looked illumination requirement and is changed, and 3 of adjacent LED modules are provided with certain clearance 6, are convenient to passing through of air-flow; LED module 3 two ends in the middle of being positioned at are provided with anchor ear 4, and anchor ear 4 is fixed on the lamp bracket 2, has passage or airspace 5 on the lamp housing 1, and the number of passage or airspace 5 is decided on the size of lamp housing 1.
In the utility model, described LED module 3 adopts and can form arrow beam of light or angle pencil of ray and LED module that satisfy projecting lamp degree of protection IP65.
In the utility model, lamp bracket 2 and lamp housing 1 are connected by connector, form one.Lamp bracket 2 can be two parts with lamp housing 1 split, also can be parts that unite two into one, if guarantee air-flow can be from the gap of LED module 3 by and flow out light fixture.
In the utility model, have passage or airspace 5 on the lamp housing 1,, form gas channel, so that light fixture has good heat dissipation characteristics so that the air-flow that rises from LED module 3 gaps can pass through lamp housing 1.
The utility model is according to the characteristics of the strict control device temperature of LED need of work, and in conjunction with the feature of air motion and projecting lamp some common points for attention in use, creationary employing modularization and the method that combines of utilizing the heat radiation of air-flow peripheral passage, a LED projecting lamp of designing, this projecting lamp is compared with traditional LED projecting lamp, has the following advantages:
Variations in temperature forms uprush when 1, making full use of projecting lamp work, improves radiating efficiency.
The LED projecting lamp produces a large amount of heats in use, and heat is by on the heat sink surface of taking lamp housing to, particularly radiator.Radiator temperature will be than higher like this, and its ambient air also can be heated, and density reduces, and forms the fire balloon effect.Owing to low-density rises, the cold air of low-temperature space replenishes at the radiator ambient air.Because air has disturbance, do not form certain heat dissipation channel under the normality, the efficient of heat radiation is not high.The utility model adopts Modular LED light source module, makes between the module LED people for leaving a fixed gap, and shell auger hole or fluting outside, makes whole projecting lamp form certain air flow passage in use.Rise on the hole of low-density hot-air by shell of the shell of projecting lamp, take away heat.Because the air-flow draw, i.e. pressure difference, and then, the cold air of relatively high pressure pierces the space between the module of projecting lamp bottom surface, carries out heat exchange with LED radiator in the lamp housing, rises from the hole of lamp housing then and takes away heat.Go round and begin again, form a stable heat dissipation channel.Thereby reach the cooling LED module, improve the purpose of LED projecting lamp radiating efficiency.The present invention just is being based on this point, when fixed L ED module, stays certain clearance between two LED modules, and dig certain hole or groove in the place of lamp housing correspondence, make air-flow to pass through between lamp housing, take away the heat on the LED module, thereby improve the radiating efficiency of LED projecting lamp.
2, the utility model has adopted the LED module, has improved maintainability with respect to traditional integral LED projecting lamp, can on-the-spotly change, and the supporting technology upgrading.Because the needs of IP grade protection, the integral LED projecting lamp all is enclosed in led light source in the cavity of sealing, if led light source damages, can only change whole projecting lamp, send the maintenance of former factory back to, and integral LED projecting lamp weight be heavier at present, change relatively difficulty, maintenance cost is very high.In addition, when technical development, can realize technology upgrading by the simple module of changing.The LED module that the utility model adopts, in light weight, volume is little, can on-the-spotly change if damage, and safeguards very conveniently, and supporting technology is upgraded.
3, adopt the LED module have the IP65 degree of protection, when the design projecting lamp, just do not need to consider the requirement aspect the degree of protection, thereby can between module, leave gap and perforate of projecting lamp shell or groove, form aforesaid gas channel.The utility model can be adjusted the number of module flexibly according to illumination requirement.By between module, staying a fixed gap, make that forming gas channel becomes possibility.
4, by top shell, the LED module is had defencive function, make the fin of module can not lower radiating efficiency, reduced the projecting lamp maintenance difficulties simultaneously because of the accumulation of dust greasy dirt.Space on the shell makes air-flow to pass through again, thereby has improved the radiating efficiency of projecting lamp.
Simultaneously, the utility model has improved radiating efficiency again owing to adopt modularized design, makes the quality of projecting lamp obviously to alleviate, and makes the projecting lamp good looking appearance, and is easy for installation.
The utility model has following characteristics:
1, projecting lamp adopts the LED module that forms arrow beam of light or angle pencil of ray to do light source.
2, realize the luminous intensity distribution and the degree of protection of projecting lamp by the LED module, reduced the difficulty of projecting lamp design and installation, can adjust the number of LED module simultaneously flexibly according to illumination requirement.
3, adopt the modular projecting lamp of formation LED, maintain easily, can on-the-spotly change, the supporting technology upgrading.
4, be covered with shell on the LED module, make to be not easy to adhere to greasy dirt and dust stratification between the fin of LED module, avoided therefore reducing the radiating efficiency of module, cause the aging of module device, increased the artistry of projecting lamp outward appearance simultaneously.
5, leave the space between the LED module, also leave the space in the relevant position of lampshade simultaneously, make the air-flow circulation canal form, take away the heat on the module, improve cooling effectiveness, reduce LED module operating temperature.
Description of drawings
Fig. 1 is a structural diagrams of the present utility model.
Fig. 2 is a upward view of the present utility model.
Number in the figure: 1 is lamp housing, and 2 is lamp bracket, and 3 is the LED module, and 4 is anchor ear, and 5 is passage or the airspace on the lamp housing, and 6 is the gap on the lamp bracket.
The specific embodiment
Further specify the utility model in conjunction with the accompanying drawings below by embodiment.
Embodiment 1: as Fig. 1-shown in Figure 2, LED module 3 is fixed on the lamp bracket 2 by suitable spacing, makes between the adjacent LED module 3 and leave gap 6; With the two ends of the LED module 3 of anchor ear 4 centerlocks, and anchor ear 4 by bolting on lamp bracket 2; Lamp housing 1 one sides are fixed on lamp bracket 2 one sides by connector.Lamp housing 1 both sides have passage or airspace 5.
Manufacturing process of the present utility model is as follows: this projecting lamp adopts the light source of large power white light LED as projecting lamp, earlier a plurality of LED modules 3 is fixed on the lamp bracket 2, loads onto anchor ear 4 with bolt then on lamp bracket, again projecting lamp shell 1 is covered on the lamp bracket periphery.
Claims (3)
1. modularized limit emitting diode (LED) projecting lamp that utilizes airflow for natural heat radiation, form by lamp housing (1), lamp bracket (2), LED module (3) and anchor ear (4), it is characterized in that lamp housing (1) one side connects lamp bracket (2) one sides by connector, and lamp housing (1) can be that axle is opened or closure with the connector; Be placed with LED module (3) on the lamp bracket (2), be provided with certain clearance (6) between adjacent LED module (3), LED module (3) two ends in the middle of being positioned at are provided with anchor ear (4), and anchor ear (4) is fixed on the lamp bracket (2), has passage or airspace (5) on the lamp housing (1).
2. the modularized limit emitting diode (LED) projecting lamp that utilizes airflow for natural heat radiation according to claim 1 is characterized in that described LED module (3) employing can form arrow beam of light or angle pencil of ray and LED module that satisfy projecting lamp degree of protection IP65.
3. the modularized limit emitting diode (LED) projecting lamp that utilizes airflow for natural heat radiation according to claim 1 is characterized in that lamp bracket (2) is connected by connector with lamp housing (1), forms one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020236418XU CN201696999U (en) | 2010-06-24 | 2010-06-24 | Modularized LED projection lamp utilizing airflow to achieve natural heat radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020236418XU CN201696999U (en) | 2010-06-24 | 2010-06-24 | Modularized LED projection lamp utilizing airflow to achieve natural heat radiation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201696999U true CN201696999U (en) | 2011-01-05 |
Family
ID=43398244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020236418XU Expired - Fee Related CN201696999U (en) | 2010-06-24 | 2010-06-24 | Modularized LED projection lamp utilizing airflow to achieve natural heat radiation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201696999U (en) |
-
2010
- 2010-06-24 CN CN201020236418XU patent/CN201696999U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110105 Termination date: 20120624 |