CN201636572U - Led illuminating device - Google Patents

Abstract

The utility model relates to an LED illuminating device comprising an upper cover, an LED light-emitting module, a lower cover and two edge covers, wherein the upper cover, the lower cover and the edge covers are combined for covering the LED light-emitting module and lock the LED light-emitting module on the bottom surface of the upper cover; and the corresponding positions of the lower cover and the LED light-emitting module are provided with illuminating holes. Under the premise of having no influence on illumination, the technical effect of protection of the LED light-emitting module is achieved.

Description

The LED lighting device

Technical field

The utility model is relevant for a kind of lighting device, is meant the lighting device of a kind of LED of application especially.

Background technology

In daily life, lighting device all is indispensable visual plant all the time, existing lighting device be mostly with bulb or fluorescent tube as main light source, and in these fluorescent tubes or the bulb, comparatively common person has fluorescent tube, incandescent lamp bulb, halogen lamp tube or based on halogen bulb.Wherein, because the power consumption and life-span of fluorescent tube all is much better than incandescent lamp bulb, and the uniformity of luminance of fluorescent tube is also preferable, so comparatively widely-used.

Below a kind of known fluorescent lighting fixtures of explanation please refer to Fig. 1, and the STRUCTURE DECOMPOSITION figure for known fluorescent lighting fixtures comprises: fluorescent tube 100 and lampshade 200.Wherein, fluorescent tube 100 has lamp tube body 110 and pair of metal end 120, and metal end 120 respectively is provided with pair of electrodes joint 130; 200 on lampshade is made up of lampshade body 210, pair of electrodes seat 220 and starter 230, and described electrode tip holder 220 is arranged at lampshade body 210 both ends, and possesses pair of electrodes jack 240.When reality was used, fluorescent tube 100 was that the electrode contact 130 by metal end 120 is inserted in the electrode jack 240 of lampshade 200, electrically connected and lighted lamp tube body 110 by starter 230 to reach.Yet, because the principle of luminosity of fluorescent tube 100 is to bump with the electronics of electrode effusion and the particle in the fluorescent tube 100, and then send ultraviolet ray and send white light to excite the fluorescent material of coating in the fluorescent tube 100, the heavy metal element that the fluorescent material that are coated with in its fluorescent tube 100 all contain the tool contaminative usually (for example: mercury), not only be not easy recycling, the easier pollution that causes environment, therefore how to use the mode of more environmental protection to make lighting device, and effectively reduce environmental pollution and become problem and the common recognition that each tame manufacturer desires most ardently solution.

In recent years, flourish along with semiconductor science and technology, light emitting diode (Light EmittingDiode, LED) manufacturing technology also reaches its maturity, present LED has been enough to use as the light source of illumination, and power saving, volume are little because LED possesses, long service life, stable height, residual optical activity is low and height is lit a lamp characteristic such as replys, therefore, at present institute develops the LED light emitting module that to be enough to replace fluorescent tube and more accepts in market, even the trend of replacement conventional bulb or fluorescent tube has been arranged.Yet, because the LED light emitting module belongs to electronic component, it is quite dark influenced by operating temperature, therefore, how the heat that the LED light emitting module is produced is got rid of (just so-called heat radiation) rapidly, just seem important extraordinarily the service life of reducing the LED light emitting module in order to protection LED light emitting module to avoid Yin Gaowen, and tradition is applied to lampshade deposited use for the LED light emitting module of fluorescent tube, can't provide preferable protection to the LED light emitting module.

In sum, there has been the not good problem of LED light emitting module protective in prior art always since the midium or long term as can be known, therefore is necessary to propose improved technological means in fact, solves this problem.

The utility model content

Because the problem that prior art exists, the utility model discloses a kind of LED lighting device then.

The disclosed LED lighting device of the utility model comprises: loam cake, LED light emitting module, lower cover and Bian Gai.Wherein, this loam cake has end face and bottom surface, and this end face is formed with a plurality of heat radiation holes; This LED light emitting module is locked in the bottom surface of this loam cake; This lower cover is in order to being covered on the bottom surface of this loam cake, and this LED light emitting module is covered, and this lower cover is provided with the illumination hole with respect to this LED light emitting module position; These these limit lids are sheathed on the two ends of this loam cake and this lower cover respectively.

Wherein, also comprise at least two fixed mounts, each fixed mount all has one first fixed part and one second fixed part, and is locked in the bottom surface of this loam cake by this first fixed part, and is locked in this LED light emitting module by this second fixed part.

Wherein, this fixed mount also offers at least one lifting hole(eyelet), and this loam cake corresponds to these these lifting hole(eyelet) positions and be formed with a hole, establishes this LED lighting device in order to hang.

Wherein, this LED light emitting module top is provided with one group of radiating fin.

Wherein, also comprise a diffusion sheet, this diffusion sheet is in order to cover this illumination hole.

Wherein, also include the bottom surface that a transformation element is fixed in this loam cake, in order to electrically connect with this LED light emitting module.

Wherein, these these heat radiation hole is that equidistant parallel is arranged.

Wherein, the material of this loam cake is selected from one of aluminium, magnesium, copper, iron and combination thereof.

Wherein, this lower cover and this these limit lids are to make with punch forming or injection molding method.

Wherein, the surface of this loam cake is coated with a sensible heat stain, shows different colors in order to the temperature contrast according to this loam cake.

Wherein, the two ends of this loam cake have one first extension respectively, and the two ends of this lower cover have one second extension respectively, and these these limit lids are sheathed on the head end of this loam cake and this lower cover and this first extension and this second extension of tail end respectively, in order to fix this loam cake and this lower cover.

Wherein, the end face of this loam cake is the shape that forms circular arc camber.

Wherein, the bottom surface of this lower cover is the shape that forms circular arc camber.

Wherein, these these limits lid has the circular arc camber shape after covering corresponding to this loam cake and this lower cover correspondence.

The disclosed LED lighting device of the utility model as above, and the difference between the prior art is the disclosed LED lighting device of the utility model, comprise a loam cake, a LED light emitting module, a lower cover and two limits lid, by in conjunction with loam cake, lower cover and Bian Gai, in order to cover this LED light emitting module, and this LED light emitting module is locked in the bottom surface of this loam cake, and this lower cover and this LED light emitting module relevant position are provided with the illumination hole.

The beneficial effects of the utility model: by above-mentioned technological means, the utility model can be issued to the technology effect that promotes LED light emitting module protective in the prerequisite that does not influence illumination.

Description of drawings

Fig. 1 is the STRUCTURE DECOMPOSITION figure of known fluorescent lighting fixtures.

Fig. 2 is the three-dimensional exploded view of the utility model LED lighting device.

Fig. 3 A and Fig. 3 B are the combination schematic diagram of the utility model LED lighting device.

Fig. 4 is the profile of the utility model LED lighting device.

[main element symbol description]

10 loam cakes

The 10a end face

The 10b bottom surface

11 heat radiation holes

12 holes

13 first extensions

20 LED light emitting modules

21 radiating fins

30 lower covers

31 illumination holes

32 second extensions

40 limits lid

50 fixed mounts

51 first fixed parts

52 second fixed parts

53 lifting hole(eyelet)s

60 transformers

70 diffusion sheets

100 fluorescent tubes

110 lamp tube body

120 metal ends

130 electrode contacts

200 lamp sockets

210 lamp socket bodies

220 electrode tip holders

230 starters

240 electrode jacks

The specific embodiment

Below will cooperate graphic and embodiment describes embodiment of the present utility model in detail, thus to the utility model how the application technology means implementation procedure that solves technical problem and reach the technology effect can fully understand and implement according to this.

See also Fig. 2, the three-dimensional exploded view for the utility model LED lighting device comprises: loam cake 10, end face 10a, bottom surface 10b, heat radiation hole 11, LED light emitting module 20, lower cover 30, illumination hole 31 and limit lid 40.Wherein, loam cake 10 has end face 10a and bottom surface 10b, and end face 10a is formed with a plurality of heat radiation holes 11, the material of its loam cake 10 can be selected from aluminium, magnesium, copper, one of iron and combination thereof are (for example: almag) make, on reality is implemented, this loam cake 10 can form the shape of circular arc camber, and its heat radiation hole 11 of offering can equidistant parallel mode arrange, increase radiating effect in order to improve cross-ventilation, and the surface of loam cake 10 can be coated with the sensible heat stain, show different colours in order to temperature contrast according to this loam cake 10, avoid touching loam cake 10 under the situation of high temperature in order to the prompting user, for example: when temperature was high, the sensible heat stain showed red; When temperature was hanged down, the sensible heat stain showed blue, and the user can avoid touching loam cake 10 and reduce the probability of being scalded under the shown in red situation of sensible heat stain.In addition, then have transformation fixed part (not shown) in the inboard of loam cake 10, as the screw hole, in order to set firmly transformation element 60, this transformation element 60 electrically connects with LED light emitting module 20, so that provide LED light emitting module 20 required power supply.

LED light emitting module 20 is locked in the bottom surface 10b of loam cake 10 so that illumination to be provided, its locking mode can be reached by a plurality of fixed mounts 50, each fixed mount 50 all comprises first fixed part 51 and second fixed part 52, therefore first fixed part 51 can be locked in the bottom surface 10b of loam cake 10, and second fixed part 52 and LED light emitting module 20 locked, thus, LED light emitting module 20 can be locked in the bottom surface 10b of loam cake 10.Be noted that especially fixed mount 50 can be the material with high thermal conduction characteristic, as: copper, aluminium ... or the like, the heat that is produced in order to the LED light emitting module 20 that is provided with the LED fluorescent tube in rapid the general conducts to loam cake 10 to increase radiating efficiency.

In addition, described LED light emitting module 20 tops can be provided with one group of radiating fin 21, and this radiating fin 21 can use the mode of aluminium extruded type (Aluminum Extrusion) to make, in order to increase the area of dissipation of LED light emitting module 20.In the case, the locking mode of LED light emitting module 20 and loam cake 10 can be locked in first fixed part 51 the bottom surface 10b of loam cake 10 equally, and radiating fin 21 lockings that then will be fixedly arranged on LED light emitting module 20 tops again are between second fixed part 52 of each fixed mount 50.Be noted that especially, the utility model does not limit the locking order with this, that is to say, on reality is implemented, after second fixed part, 52 lockings with LED light emitting module 20 and fixed mount 50, again first fixed part 51 of this fixed mount 50 and the bottom surface 10b of loam cake 10 are locked earlier.

Lower cover 30 is in order to be covered on the bottom surface 10b of loam cake 10, so that LED light emitting module 20 is covered, and lower cover 30 is provided with illumination hole 31 with respect to LED light emitting module 20 positions.On reality was implemented, the bottom surface of lower cover 30 and loam cake 10 can form the shape of circular arc camber equally, and its difference is that the crooked radian of lower cover 30 is slightly larger than the crooked radian of loam cake 10 approximately, and the direction of both bendings is different.Described lower cover 30 is covered on the mode of the bottom surface 10b of loam cake 10, the both sides of lower cover 30 can be covered on the respective sides of the bottom surface 10b of loam cake 10, so that realize covering of loam cake 10 and lower cover 30.Be noted that especially the utility model does not limit the mode that covers of loam cake 10 and lower cover 30, any mode that covers that can reach, neither disengaging application category of the present utility model with this.

Limit lid 40 is in order to be sheathed on loam cake 10 and lower cover 30 two ends respectively.On reality was implemented, limit lid 40 can have corresponding to the circular arc camber shape after loam cake 10 and lower cover 30 corresponding the covering.In addition, described lower cover 30 and limit lid 40 can use punch forming, or adopt thermoplastic polymer and calcium carbonate (CaCO ₃) through after mixing, made with injection molding method.Wherein, thermoplastic polymer can comprise Merlon (Polycarbonate, PC), polystyrene (Polystyrene, PS) or polymethyl methacrylate (Polymethylmethacrylate, PMMA) ... wait material commonly used as shell.On reality is implemented, the opposite end of loam cake 10 can have first extension 13 respectively, and the opposite end of lower cover 30 has second extension 32 respectively, thus, limit lid 40 can be sheathed on the head end of loam cake 10 and lower cover 30 and first extension 13 and second extension 32 of tail end respectively, in order to fixed cover 10 and lower cover 30.

In addition, the utility model LED lighting device also can comprise diffusion sheet 70, and this diffusion sheet 70 be for can leading to finish matter in order to covering the illumination hole 31 of lower cover 30, and the inboard of being fixed in lower cover 30 is to eliminate the dazzle that LED light emitting module 20 is produced.It can lead to finish matter can be selected from plastics, glass or acryl ... etc. material.

In addition, on reality is implemented, fixed mount 50 is except comprising first fixed part 51 and second fixed part 52, also can offer lifting hole(eyelet) 53, and aforementioned loam cake 10 offers hole 12 with lifting hole(eyelet) 53 relevant positions, so that the chain sling (not shown) of ceiling passes this hole 12 and combines with the lifting hole(eyelet) 53 of fixed mount 50, make the utility model LED lighting device can be hung on ceiling.

Illustrate as Fig. 3 A and Fig. 3 B, be the combination schematic diagram of the utility model LED lighting device.At first, in Fig. 3 A, can know and see, after the combination of the utility model LED lighting device is finished, can form the LED lighting device that the surface has the hollow cuboid of circular arc camber.This LED lighting device can increase the convection current of air by the heat radiation hole 11 by loam cake 10, and can prevent that dust accretions from influencing the radiating effect of LED light emitting module 20 in the top of LED light emitting module 20 (please cooperate and consult Fig. 2).In addition, also can make the chain sling (not shown) of ceiling pass the hole 12 that loam cake 10 is offered,, make this LED lighting device be hung on ceiling in order to combine with the lifting hole(eyelet) 53 (please cooperate and consult Fig. 2) of fixed mount 50.Then, illustrate, but the light source break-through that LED light emitting module 20 is produced via energising is covered in the diffusion sheet 70 of illumination hole 31 so that illumination to be provided as Fig. 3 B.

Then, please refer to Fig. 4, profile for the utility model LED lighting device comprises: loam cake 10, LED light emitting module 20, radiating fin 21, lower cover 30, illumination hole 31, fixed mount 50, first fixed part 51, second fixed part 52, transformer 60 and diffusion sheet 70.The front is mentioned, LED light emitting module 20 can be locked in the bottom surface 10b of loam cake 10 by fixed mount 50, its locking mode is the bottom surface 10b that earlier first fixed part 51 of fixed mount 50 is locked in loam cake 10, then, LED light emitting module 20 is locked in second fixed part 52 of fixed mount 50 again.And when being provided with the situation of radiating fin 21, also can directly the radiating fin 21 and second fixed part 52 be locked on LED light emitting module 20 tops.So far, promptly finish the bottom surface 10b that LED light emitting module 20 is locked in loam cake 10 by fixed mount 50.In addition, the inboard of loam cake 10 has the transformation fixed part (for example: lockhole) in order to setting firmly transformation element 60, this transformation element 60 electrically connects with LED light emitting module 20, and the required power supply of establishing in 20 of the LED light emitting modules of LED fluorescent tube is provided.Be noted that especially in the LED light emitting module 20 in the LED fluorescent tube established, its required power supply also can provide by the direct current supply line (not shown), the utility model does not limit the mode that LED light emitting module 20 required power supplys are provided.

In sum, the utility model is by combining loam cake 10, lower cover 30 and limit lid 40 with difference between the prior art as can be known, in order to cover LED light emitting module 20, and LED light emitting module 20 is locked in the bottom surface 10b of loam cake 10, and lower cover 30 offers illumination hole 31 with LED light emitting module 20 corresponding positions, a technological means can solve the existing in prior technology problem thus, under the prerequisite that does not influence illumination and then reach the technology effect that improves LED light emitting module 20 protectives.

Though the utility model discloses as above with aforesaid embodiment; right its is not in order to limit the utility model; anyly have the knack of alike skill person; in not breaking away from spirit and scope of the present utility model; when can doing a little change and retouching, therefore scope of patent protection of the present utility model must be looked the appended claim person of defining of this specification and is as the criterion.

Claims (14)

1. a LED lighting device is characterized in that, comprises:

One loam cake, it has an end face and a bottom surface, and end face is formed with a plurality of heat radiation holes;

One LED light emitting module, it is locked in the bottom surface of this loam cake;

One lower cover, it is covered on the bottom surface of this loam cake, and this LED light emitting module is covered, and this lower cover is provided with an illumination hole with respect to this LED light emitting module position; And

Two limits lid, it is sheathed on this loam cake and this lower cover two ends.

2. LED lighting device as claimed in claim 1, it is characterized in that, also comprise at least two fixed mounts, each fixed mount all has one first fixed part and one second fixed part, and be locked in the bottom surface of this loam cake by this first fixed part, and be locked in this LED light emitting module by this second fixed part.

3. LED lighting device as claimed in claim 2 is characterized in that this fixed mount also offers at least one lifting hole(eyelet), and this loam cake corresponds to these these lifting hole(eyelet) positions and be formed with a hole, establishes this LED lighting device in order to hang.

4. LED lighting device as claimed in claim 1 is characterized in that, this LED light emitting module top is provided with one group of radiating fin.

5. LED lighting device as claimed in claim 1 is characterized in that, also comprises a diffusion sheet, and this diffusion sheet is in order to cover this illumination hole.

6. LED lighting device as claimed in claim 1 is characterized in that, also includes the bottom surface that a transformation element is fixed in this loam cake, in order to electrically connect with this LED light emitting module.

7. LED lighting device as claimed in claim 1 is characterized in that, these these heat radiation hole is that equidistant parallel is arranged.

8. LED lighting device as claimed in claim 1 is characterized in that the material of this loam cake is selected from one of aluminium, magnesium, copper, iron and combination thereof.

9. LED lighting device as claimed in claim 1 is characterized in that, this lower cover and this these limit lids are to make with punch forming or injection molding method.

10. LED lighting device as claimed in claim 1 is characterized in that, the surface of this loam cake is coated with a sensible heat stain, shows different colors in order to the temperature contrast according to this loam cake.

11. LED lighting device as claimed in claim 1, it is characterized in that, the two ends of this loam cake have one first extension respectively, and the two ends of this lower cover have one second extension respectively, these these limit lids are sheathed on the head end of this loam cake and this lower cover and this first extension and this second extension of tail end respectively, in order to fix this loam cake and this lower cover.

12. LED lighting device as claimed in claim 1 is characterized in that, the end face of this loam cake is the shape that forms circular arc camber.

13. LED lighting device as claimed in claim 1 is characterized in that, the bottom surface of this lower cover is the shape that forms circular arc camber.

14. LED lighting device as claimed in claim 1 is characterized in that, these these limits lid has the circular arc camber shape after covering corresponding to this loam cake and this lower cover correspondence.

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