CN201246719Y - LED illuminating apparatus - Google Patents
LED illuminating apparatus Download PDFInfo
- Publication number
- CN201246719Y CN201246719Y CNU2008201278565U CN200820127856U CN201246719Y CN 201246719 Y CN201246719 Y CN 201246719Y CN U2008201278565 U CNU2008201278565 U CN U2008201278565U CN 200820127856 U CN200820127856 U CN 200820127856U CN 201246719 Y CN201246719 Y CN 201246719Y
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- CN
- China
- Prior art keywords
- lighting device
- led
- led lighting
- radiating part
- electric fan
- 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
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Classifications
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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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/673—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for intake
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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
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/04—Arrangement of electric circuit elements in or on lighting devices the elements being switches
- F21V23/0442—Arrangement of electric circuit elements in or on lighting devices the elements being switches activated by means of a sensor, e.g. motion or photodetectors
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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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
- F21V29/67—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans
- F21V29/677—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air characterised by the arrangement of fans the fans being used for discharging
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- 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
- F21Y2103/00—Elongate light sources, e.g. fluorescent tubes
- F21Y2103/10—Elongate light sources, e.g. fluorescent tubes comprising a linear array of point-like light-generating elements
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- 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]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to a LED illumination device, comprising at least one frame of nearly plate form, wherein a cooling fan and a heat radiator supporting a LED are arranged in the frame. The cooling fan can flow air to radiate the heat of the heat radiator, thereby quickly taking away the heat generated by the illumination of the LED to prolong the service life of the LED. The LED illumination device has a bottom surface of nearly plate form, thus being easy to be mounted on wall or ceiling, while the LED illumination device can be powered by the illumination socket of prior fluorescent lamps.
Description
Technical field
The utility model relates to a kind of lighting device, particularly a kind of LED lighting device that is fitted in original filament light socket.
Background technology
Original in tengsten lamp or various filament lighting lamp as light source, to be replaced by the perfect light source of long power saving again of life-span, with as desirable light source in future, and the semiconductor LED lighting device is because of the good advantage of its environmental performance, use more and more generally, also enjoy expectation.
The LED lighting device has possessed several advantages, can flexible Application on the illuminating irradiator of big electric power, supplying with on the electricity, also can use the socket power supply of existing filament vacuum tube, this by from original device directly can then the characteristics of utilization are quite easily.And use original filament vacuum tube base directly to power to the device of LED illumination, just former, it is known to us that several examples are arranged, in order to power to light emitting diode, the power supply unit of supply power and the employed metal lid of the connecting portion of bulb are to belong to same shape, also are that original ligthing paraphernalia can be installed.(for example: please refer to the Japan Patent spy and open the 2006-202864 communique).
In addition as the pressure device of machine or back lighting electricity consumption decorations in the mobile phone or bullet cut electricity decorations, concerning this similarly be the compact LED as the thin slice, the degree of the about 0.07W of consumption electric power, it is very low generate heat, trace arrives almost non-existent stage.But with as the sizable LAMP lighting use of illumination, with regard to power led, the caloric value that such illuminance is big at last, the heat radiation countermeasure of this moment will be very to need.Concerning the structure of handling such heat dissipation problem, similarly be the lighting device of this structure that uses with heat liberation board of the cooling unit of frigorific unit, people are also quite familiar.(for example: please refer to the Japan Patent spy and open the 2005-77468 communique).
Yet, the situation of use frigorific unit, because of control circuit or the like also is necessary, at complicated time of such multimachine structure, the price of part portion product is also higher by comparison, may cause the price of entire lighting device integral body surging.
In general, be reach consumption electric power about about 70% from the caloric value of LED, but monomer also has the power led of 1W～5W, surpasses 100 ℃ approximately during driving, to around Temperature Influence can not turn a blind eye to.And according to the heating of this light emitting diode, there is the tendency of extreme reduction in the life-span of the own body of light emitting diode, compares life-span can use for a long time unlike bulb with bulb.
For such a power LED, use radiator, can allow the life-span prolong.The equipment that the astigmatism hot plate is such, because the effect of natural heat release, radiator itself can become and maximize very much, except original filament vacuum tube base can directly use, does not have other purposes.For example say: about temperature will keep the situation of the temperature of LED below 40 ℃, when using the radiator of nature cooling type, adopts the aluminium sheet of general wide usefulness to do about 30cm
2/ W is in the time of the Lamp commercialization, because therefore the miniaturization or the reason of design very seldom arrive the high lighting device of practicality.In addition, when forming bigger heat sink or radiating wing, when using without, except large-scale heat sink radiating wing, also must consider waterproof technique.
In view of this, the utility model proposes a kind of having concurrently and solves the LED lighting device that heating problem and life-span grow under the prerequisite that original compact illumination equipment be fit to use easily, effectively to overcome above-mentioned problem such as described.
Summary of the invention
Main purpose of the present utility model is the defective that overcomes above-mentioned prior art, and a kind of LED lighting device is provided, and with good solution heating problem, has prolonged the service life of LED.
In order to achieve the above object, the utility model provides a kind of LED light-emitting device, and it includes at least one framework that is slightly dull and stereotyped profile; At least one cooling fan that is erected in the framework; The radiating part of one next-door neighbour's framework, it is to flow with the air that receives cooling fan to cool off; And at least one LED that is installed on the radiating part.
The beneficial effects of the utility model are:
1, the heat that LED is produced can loose fast from, prolong life-span of LED.
2, can directly use the light socket of original fluorescent lamp to power.
3, the function that has the air fragrance deodorizing.
Description of drawings
Fig. 1 is the schematic perspective view of the LED lighting device of example of the present utility model;
Fig. 2 is the vertical view of LED lighting device of the enforcement kenel of Fig. 1;
Fig. 3 is that the element cross-section of another embodiment of LED lighting device of the present utility model is decomposed the schematic diagram that flows with the cooling air;
Fig. 4 is that the circuit of LED lighting device of the present utility model constitutes block diagram;
Fig. 5 critical elements of the present utility model is as layout (layoutpattern) figure of cooling electric fan, radiating part and LED;
(a) of Fig. 6 and (b) be another kind of layout embodiment schematic diagram;
(a) of Fig. 7 and (b) be another kind of layout embodiment schematic diagram;
(a) of Fig. 8 and (b) be another kind of layout embodiment schematic diagram.
Description of reference numerals: 10-LED lighting device; 11-cools off electric fan; The 12-framework; The 13-radiating part; The 13s-peristome; The 13g-peripheral part; The 14-illuminating part; The 15-light emitting diode; The 16-substrate; The 17-stream; 18-pedestal portion; The 21-gyroaxis; The 22-screw hole; The 23-fan blade; 31-cools off electric fan; The 32-framework; The 33-fan blade; The 34-notch; The 35-long and narrow hole; 36-aromatic; The 37-radiating part; The 38-radiating part; 39-pedestal portion; The 40-framework; The 41-power supply; The 42-control circuit; The 43-inductor; The 44-current control division; 45-LED; The 46-radiator; The 47-DC electric fan; 48-aromatic; 51-cools off electric fan; The 52-fan blade; The 53-radiating part; 54-LED; The 55-lid; 61-cools off electric fan; The 62-fan blade; The 63-radiating part; 64-LED; The 65-lid; 71-cools off electric fan; The 72-fan blade; The 73-radiating part; 74-LED; The 75-lid; 76-cools off electric fan; The 77-fan blade; The 78-lid; 81-cools off electric fan; The 82-fan blade; The 83-radiating part; 84-LED; The 85-lid; 86-cools off electric fan; The 87-fan blade; The 88-lid.
The specific embodiment
Below in conjunction with accompanying drawing, to this novel above-mentionedly is described in more detail with other technical characterictic and advantage.
Fig. 1 is the schematic perspective view of the LED lighting device of example of the present utility model, and Fig. 2 implements the LED lighting device vertical view of kenel for Fig. 1.As Fig. 1 and shown in Figure 2, LED lighting device 10 of the present utility model includes a slightly peaceful tabular framework (frame) 12, dispose a cooling electric fan 11 in it fully, framework 12 interconnects with the sidepiece of cooling electric fan 11, cooling electric fan 11 with slightly be flat framework (frame) 12 and extend to one side by side and slightly be flat profile; One running according to the cooling electric fan can produce the stream that air flows and imports; One radiating part 13; With the light emitting diode 15 and illuminating part 14 above the peripheral part 13g that is configured in radiating part 13.
The cooling electric fan 11 of 10 li lift-launchs of LED lighting device of this example is a horizontal direction, and having with gyroaxis 21 in framework (frame) 12 the insides is that the center can rotatingly be constructed, and there is slight screw hole 22 in area, corner (corner).The cooling electric fan generally belongs to and slightly is tabular, can see the shape of a cubic type of summary when seeing from above, also has the rotating fan blade 23 of the driving of lift-launch to have a dot thickness.Framework (frame) 12 is that design has some distances with the periphery of fan blade 23, generally is dimetric, but in order to want center configuration fan blade 23, and on cylindric, the shape of doing an incised notch is arranged.A DC motor (not shown) has been installed in the inside in the central shaft 21 of fan blade 23, and when power supply was supplied with the DC motor, the fan blade 23 of cooling electric fan will rotate, and produces the moving air of cooling usefulness.
The side of radiating part 13 contiguous frameworks (frame) 12 has the design breach, and the air of cooling usefulness utilizes the part of otch that air can be flowed.In other words, on the cooling electric fan 11 opening is arranged,, draw or the gateway of the ambient air that spues and become to manifest fan blade 23, below the cooling electric fan 11 is substrate 16, and this design is to want the bottom surface of whole cooling electric fan 11 can be placed on above the substrate 16.When the fan blade 23 of cooling electric fan 11 turns round, can't be passed through from the bottom surface stream of cooling electric fan, but, the air of cooling usefulness is flowed through by the formed notch portion in the side of radiating part 13 by flow air.Therefore, allow current flowing cool off the DC motor of electric fan 11, fan blade 23 will rotate, and by the otch of framework (frame) 12, allows the cooling air can pass through the stream 17 of radiating part 13.
It similarly is that the metal material of aluminium (aluminium) is made that radiating part 13 can use.The bottom faces of radiating part 13 is to be made by the metallic plate of aluminium (aluminium) etc.Substrate 16 is radiating part 13 and the 11 common uses of cooling electric fan, and cooling electric fan 11 is fixed on the substrate 16, and radiating part 13 also is fixed on the substrate 16, will cool off electric fan 11 and radiating part 13 becomes integrated by substrate 16.In this example, the stream 17 in radiating part 13 inside is formed by 3 parallel linearities prolongations, and air will be along flow path, to break up the hot gas of radiating part 13.The side of radiating part 13 forms a peristome 13s, the notch portion of this peristome 13s and framework (frame) 12 interconnects, also can transport air by cooling off the stream 17 of electric fan 11, air can be derived to cooling electric fan 11 by the stream of radiating part 13 to radiating part 13.
The surface of the radiating part of being made by metal material 13 is provided with a pedestal portion 18, and with five light emitting diodes 15 of carrying illuminating part 14, its shape that is in line is slightly uniformly-spaced being arranged.Each light emitting diode 15 is to belong to the high-output power LED that presents wafer-like separately.5 light emitting diodes are connected with radiating part 13 by pedestal portion 18.Therefore, each light emitting diode 15 is transmitted to radiating part 13 by pedestal portion 18 and carries out the good heat radiation of efficient when producing heat energy.Simultaneously, it is not illustrate to mark that the side of light emitting diode 15 is provided with an inductor, and this inductor is the inductor that human body sensing function, sunset induction function, Vibration induction function and light and shade induction function are arranged.
The slightly flat moulding in LED lighting device bottom surface of this example, in the time of on being installed in wall surface or ceiling, not needing takes up room just can install.Simultaneously, in the time of the action of cooling electric fan, air can circulate in radiating part 13 inner formed streams 17 the insides, a part of otch of the framework (frame) 12 of cooling electric fan 11 is in order to be connected with stream 17, and with the cooling electric fan 11 be arranged in, radiating part 13 and the slightly flat structure of 12 liang of Fang Douyou of framework and same thickness, so can be in juxtaposition can not need the lighting device that selects the place just can dispose and constitute one.In addition, substrate 16 will cool off electric fan 11 bottom surfaces and coat comprehensively, though gyroaxis 21 and the slightly flat face of cooling electric fan 11 are in vertical direction, slightly direction has very good horizontal direction air of flow efficiency in the tabular face.
Fig. 3 is the expression of element cross-section exploded view of another embodiment of this example LED lighting device.As shown in the figure, the LED lighting device is derived in the side at the air of cooling electric fan 11 long and narrow hole (slot) 35.Then, sheet parcel aromatic 36 can be inserted in long and narrow hole (slot) 35 the insides.
The LED lighting device of Fig. 3 has following structure, and being used as is that the light emitting diode 38 of illuminating part carries on radiating part 37 by pedestal portion 39, and the heat energy that light emitting diode 38 is taken place is communicated to radiating part 37 by pedestal portion 39.On the other hand, in the framework (frame) 32 of cooling electric fan 31 fixing fan blade 33 is arranged, fan blade 33 will and then rotate according to the DC revolution that does not indicate on the figure.The sub-fraction of framework (frame) 32 will be connected with the stream that illustrates the radiating part 38 that does not mark, and therefore is provided with otch 34, is imported into cooling electric fan 31 the insides by the air inside notch 34 streams.
Cooling has the lid (not shown) of installation above the electric fan 31, and downside is that air blows out side among the figure, and the downside that blows out side at that air has a design long and narrow hole (slot) 35 the insides can insert as the aromatic 36 of a slice parcel (package) the inside of entering.Aromatic (package) the 36th is clipped in framework (frame) 40 the insides then, yet the taste of aromatic just can be arranged by the air that cooling electric fan 31 is discharged.Moreover the shadow surface of light is upwards among the figure, also can be used as the bottom, irradiation aspect of light, and the top of cooling electric fan also can be provided with long and narrow hole (slot) 35, so that cooling the top of electric fan also can blow out air.
Can freely take down the structure of loading onto according to this design aromatic 36, the diffusion utilization fermentation of flowing and can make aromatic of light emitting diode cooling air can be thrown light on the one hand and be spread the taste of aromatic on the one hand, particularly can use this device in the lavatory.
Fig. 4 is that the circuit of LED lighting device of the present utility model constitutes block diagram.Power supply 41 is supplied to direct current 12V or 24V, and this DC voltage is by power supply 41 supply control circuits 42, current control division 44 and DC electric fan 47.Hypothesis, DC electric fan 47 is gone to implement blowing by the direction of radiator 46, and radiator 46 removes cooling LED 45 by flow air.Control circuit 42 is supplied with electric current and is given LED45 according to the signal controlling current control division 44 of inductor 43.Inductor 43 also can be responded to other thing certainly for can be used for human body sensing.LED45 is according to the electric current that current control division 44 is flowed, and goes to control brightness or go out in the control point.
The air of DC electric fan 47 is discharged side aromatic 48 of device, and the air by radiator 46 passes through aromatic 48 again then.This represents that the ambient air of this enforcement kenel LED lighting device is spreading the composition of this aromatic.LED lighting device of the present utility model constitutes also can be as the controlled circuit control of DC electric fan, and 43 pairs of smells of inductor are responded to, and when having foreign odor or stench to take place, just can allow DC electric fan 47 turn round.
Refer again to Fig. 5～shown in Figure 8, it is respectively for presenting layout (layout pattern) figure of critical elements of the present utility model as cooling electric fan, radiating part and LED.At first, shown in the (a) and (b) of Fig. 5, dispose cooling electric fan 51 and flat radiating part 53 above the flat framework (frame) simultaneously.Electric fan 51 is provided with fan blade 52, and inside a side is provided with a tabular lid (cover) 55.Therefore, along the rotating shaft direction importing air of fan blade 52, yet the air that imports is gone over according to lid 55 tabular radiating part 53 those effluents again.The top centre of radiating part 53 has disposed 3 LED54, the flow path of air in the radiating part from cooling electric fan 51, in the time of the running of cooling electric fan 51, air can be flowed by this part, reach desirable cooling effect by air mobile.
(a) of Fig. 6 and (b) represented layout be another device layout embodiment schematic diagram, it is compared to Fig. 5, not on radiating part 63, but on the side, dispose 3 LED64, flow path from the air of cooling electric fan 61 along radiating part the inside, during fan blade 62 runnings air can be flowed and pass through, to realize desirable cooling effect by flowing of air.The represented device layout of Fig. 6 is provided with 3 LED in single side's side, and opposition side also can install same LED.
(a) of Fig. 7 and (b) represented layout illustrate flat radiating part 73 and be clipped in the middle by pair of plates shape framework (frame), this a pair of framework has the cooling electric fan 71,76 of air-breathing scavenging action.The tabular framework of suction side at first is described, is provided with fan blade 72 for 71 li at the cooling electric fan, framework the inside one side is provided with and covers a flat lid 75.Therefore, remove to import air according to the direction of fan blade 72 turning cylinders, the air that is imported into then follows lid 75 to flow to tabular radiating part 73 beyonds.The place in centre has disposed 6 LED74 on radiating part 73, from the mobile stream along radiating part 73 the insides of the air of cooling electric fan 71, realizes cooling effect.
And also install a tabular framework (frame) with cooling electric fan 76 at exhaust side, be provided with the fan blade 77 that can allow tabular coat for 76 li at the cooling electric fan, framework the inside side covers a flat lid 78.Therefore, the air that is imported along lid 78 goes to deflate to the direction of principal axis that fan blade 77 rotates again.When cooling off the air capacity deficiency of electric fan cooling for one, can use such structure allow and to be increased in order to the air that cools off.
(a) of Fig. 8 and (b) represented layout be shown embodiment after the change of Fig. 7, this moment, 3 LED84 were not the top that is configured in radiating part 83, but were configured in the side on each two sides.When air-breathing fan blade 82 with cooling electric fan 81 turns round, air flows along the stream of lid 85, radiating part the inside, the fan blade 87 of exhaust side cooling electric fan 86 inside, because framework the inside one side covers a flat lid 88, the air in the radiating part stream can go to deflate to the direction of principal axis of the operating shaft of fan blade.
More than such structure, the heat energy that the LED of this example is supervened when illuminating device luminous will have the structure of radiator because of linking, the cooling electric fan heat energy that LED produced is discharged heat energy by radiator.So just can prevent because the overheated short problem of cell life that causes.The LED lighting device of this enforcement because the shape of cooling electric fan and radiator is constructed, so can be installed in wall surface or ceiling or the like place, can not take up space in addition.
In addition, in the embodiment of the LED of this example lighting device, presenting the cooling air of flow regime, is very efficient for radiating effect.In addition, near peristome, can load onto deodorant or aromatic, with by the cooling electric fan by air flow the time can also suppress stink and produce.
More than explanation is novel just illustrative for this; and it is nonrestrictive; those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited; can make many modifications; change, or equivalence, but all will fall in the protection domain of the present utility model.
Claims (15)
1. LED lighting device is characterized in that it includes:
At least one framework, it is dull and stereotyped profile;
At least one cooling fan, it is to be erected in the described framework;
One radiating part, it is close to described framework; And
At least one LED, it is installed on the described radiating part.
2. LED lighting device according to claim 1 is characterized in that, described framework and described radiating part are to be fixed in the substrate.
3. LED lighting device according to claim 1 is characterized in that, is formed with a plurality of long strip type streams in the described radiating part.
4. LED lighting device according to claim 3 is characterized in that the side that described framework is close to described radiating part is formed with otch.
5. LED lighting device according to claim 1 is characterized in that, the surface of described radiating part is provided with a pedestal portion, and described LED is carried in described pedestal portion.
6. LED lighting device according to claim 1 is characterized in that, described radiating part is the metal material made.
7. LED lighting device according to claim 1 is characterized in that, described LED is provided on the described radiating part.
8. LED lighting device according to claim 1 is characterized in that described LED is a power LED.
9. LED lighting device according to claim 1 is characterized in that, also disposes an inductor, goes out to control described LED brightness or control point.
10. LED lighting device according to claim 1 is characterized in that, also disposes an inductor, to control the running of described cooling fan.
11. LED lighting device according to claim 9 is characterized in that, described inductor is human body sensor, brightness sensor, sunset inductor or vibrations sensor.
12. LED lighting device according to claim 10 is characterized in that, described inductor is the taste sensor.
13. LED lighting device according to claim 1 is characterized in that, is equiped with deodorant or aromatic near the described cooling fan.
14. LED lighting device according to claim 1 is characterized in that, a side of described cooling fan is coated with a lid.
15. LED lighting device according to claim 1 is characterized in that, when described cooling fan had at least two, described cooling fan was divided into two kinds of air-breathing and exhausts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201278565U CN201246719Y (en) | 2008-07-22 | 2008-07-22 | LED illuminating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201278565U CN201246719Y (en) | 2008-07-22 | 2008-07-22 | LED illuminating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201246719Y true CN201246719Y (en) | 2009-05-27 |
Family
ID=40730541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201278565U Expired - Fee Related CN201246719Y (en) | 2008-07-22 | 2008-07-22 | LED illuminating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201246719Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478225A (en) * | 2010-11-23 | 2012-05-30 | 马士科技有限公司 | Heat conduction lamp holder and light-emitting diode (LED) lamp comprising same |
| WO2012068722A1 (en) * | 2010-11-23 | 2012-05-31 | 马士科技有限公司 | Heat conducting lamp base and led lamp including the same |
| CN105605470A (en) * | 2016-02-19 | 2016-05-25 | 德清弘昌照明电器有限公司 | LED (light-emitting diode) decorative lamp bar with heat dissipator |
| CN105979851A (en) * | 2014-05-21 | 2016-09-28 | 奥林巴斯株式会社 | Cooling device, and light source device for endoscope |
| CN109346872A (en) * | 2018-09-04 | 2019-02-15 | 深圳市宝德计算机***有限公司 | The attaching plug of anti-dropout and power outlet |
-
2008
- 2008-07-22 CN CNU2008201278565U patent/CN201246719Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102478225A (en) * | 2010-11-23 | 2012-05-30 | 马士科技有限公司 | Heat conduction lamp holder and light-emitting diode (LED) lamp comprising same |
| WO2012068722A1 (en) * | 2010-11-23 | 2012-05-31 | 马士科技有限公司 | Heat conducting lamp base and led lamp including the same |
| CN105979851A (en) * | 2014-05-21 | 2016-09-28 | 奥林巴斯株式会社 | Cooling device, and light source device for endoscope |
| CN105979851B (en) * | 2014-05-21 | 2018-11-06 | 奥林巴斯株式会社 | Cooling device and light source device for endoscope |
| CN105605470A (en) * | 2016-02-19 | 2016-05-25 | 德清弘昌照明电器有限公司 | LED (light-emitting diode) decorative lamp bar with heat dissipator |
| CN109346872A (en) * | 2018-09-04 | 2019-02-15 | 深圳市宝德计算机***有限公司 | The attaching plug of anti-dropout and power outlet |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20090527 |