TW201321664A - LED lighting device - Google Patents

Abstract

The LED lighting device of present invention comprises a stand, a base with ventilation element arranged at the stand, and a lighting element with a plurality of LED lighting sheets, wherein the plurality of LED lighting sheets are circularly arranged on the base to illuminate the surrounding area. The wind outlet port of the ventilation element is located at the rear bottom of the LED lighting sheets to blow winds upwardly to enforce heat dissipation, when cooperated with the stand it can be applied in different occasions such as sports and event places, plazas, relief sites, night construction sites, etc., it can be even used as indication lights or backlighting source.

Description

LED lighting device

The invention provides a structural technology of an LED lighting device, in particular to a lighting device with a plurality of circumferentially arranged LED lighting panels.

Illumination devices are indispensable tools in human daily life. Whether in indoors, outdoors, in urban areas or in rural areas, the lack of lighting devices can cause most human activities to stop. The production of illumination sources has gradually evolved from traditional open flame, tungsten light bulbs and cold cathode lamps to LED (light emitting diode) lamps that have attracted much attention in recent years.

Due to the maturity of LED lighting technology in recent years, it has many advantages such as durability, low power consumption, and the power (wattage) and illuminance that can be output with high-intensity LED (Hi-Power LED), LED lighting The effect can also be applied to a wider range of applications, and can even be used as high wattage lamps such as street lamps and projection lamps.

However, high-brightness LEDs generate high heat when used. Although the application range is wide, it still needs to overcome the heat dissipation problem in practical applications, especially when it is used as a light source for high-wattage lamps such as street lamps and projection lamps. The first important issue that must be solved.

In view of this, the inventor has researched and developed LED lighting technology, and then designed an LED lighting device, which not only has excellent heat dissipation effect, but also has the advantages of low power consumption and durability of the LED, and can make the application range of the lighting device wider.

It is an object of the present invention to provide an LED lighting device having a good heat dissipation effect. In order to achieve the above object, the LED lighting device of the present invention comprises at least: a tripod, a base provided with a blower assembly on the tripod, and a lighting assembly having a plurality of LED illuminating panels, wherein the plurality of LED illuminating panels are arranged around On the pedestal, the illumination is illuminated to the surrounding area; the air outlet of the air supply component is located below the back of each LED illuminating panel, and when the LED illuminating panel illuminates around the periphery, the air outlet of the air component is supplied upward to the back of the LED illuminating panel. It can be forced to dissipate heat, and it can be used for erection in various occasions, such as various sports and activities venues, plazas, disaster relief sites, night construction sites, and even further use as other indicator lights and backlight sources.

In implementation, the plurality of LED illuminating plates are disposed on a fixed frame, and the bottom end of the fixing frame is coupled to the pedestal for the plurality of LED illuminating plates to generate a illuminating effect on the periphery of the plurality of LED illuminating plates.

Moreover, the fixed frame may be a stack of upper and lower stacks, and the bottom end of the fixed frame at the bottom is engaged with the base, and the upper fixed frame is relatively rotatable, and the plurality of LED light-emitting boards are disposed around each fixed frame. The LED lighting device can provide different power and illumination depending on different places of use, and the illumination angle and direction are more diversified.

When implemented, the upper and lower stacked fixed frames are provided with a plurality of alignment holes arranged in equidistant rings, so that the fixed frames of the phase stack can be aligned in multiple directions, and the plurality of bolt assemblies are traversed through the plurality of bolt assemblies. After the alignment hole is fixed, the stacked illuminating plate fixing frame can exhibit the change of the steering illumination, thereby causing the illumination device to exhibit different illumination effects.

The LEDs on the LED illuminating boards may be of an array type, and the pivoting portions of the bottom ends of the LEDs are pivotally disposed on the fixed frame, so that the pivoting portions of the LED illuminating boards are pivoted, and are inclined outwardly relative to the fixed frame. Or inwardly offsetting and erecting around the fixed frame to adjust the illumination angle of the LED illuminating panel; when implementing, in order to protect the LED on the LED illuminating panel, a protective layer may be coated on the outer surface of the LED illuminating panel, the protective layer It is also waterproof when it is not good.

In order to facilitate the adjustment of the illumination angle, the front side of each of the LED light-emitting panels is respectively provided with a handle, and the back is provided with a connecting piece, and the other ends of the connecting pieces are respectively pivotally extended to a central position of the fixed frame, the sliding piece respectively The utility model has a sliding groove, and the sliding groove is respectively sleeved on a positioning rod disposed at the center of the fixing frame, so that the sliding piece can slide inward or outward with respect to the positioning rod.

When the user pushes or pulls the handle of a certain LED light-emitting board, the connecting piece on the back of the LED light-emitting board can slide the sliding piece inward or outward on the positioning rod, and the LED light-emitting board As described above, the pivoting portion is pivoted outwardly relative to the fixed frame, or is folded inwardly and erected to the fixed frame, thereby adjusting the illumination angle of the LED illuminating plate to achieve an illumination angle. Diversified effects.

In addition, the above-mentioned positioning rod disposed at the center of the fixing frame is sleeved with a compression spring, and the bottom end of the compression spring is elastically pressed on each sliding piece, and when the sliding piece is stopped after sliding on the positioning rod and stopped, the compression is performed by compression. The elastic compression of the spring allows the slide to be positioned in a position to stop slipping to prevent the LED illuminator from shaking after adjustment and positioning.

The base has a hollow slot therein, and the air inlet of the air supply assembly is connected to the hollow slot, and a filter mesh is arranged at the bottom of the base for the air to pass through the filter screen and then enter the hollow slot for the air supply assembly to extract. The air outlet of the air supply assembly is connected to a flow guiding element disposed on the base, so that the blown cold air is sent upward to the back of each LED light emitting board, and when the LED light emitting board is illuminated to the surrounding light, the air is forced to be blown, so that the LEDs are respectively The luminescent panel can achieve good heat dissipation.

In implementation, a guardrail covering the periphery of the illumination assembly may be further disposed on the base to prevent the proximity person from accidentally touching the illumination assembly.

Compared with the prior art, the LED lighting device of the invention has the advantages of easy adjustment, excellent heat dissipation, and the like, and can be erected at any place for various occasions, such as various sports and activities, squares, disaster relief places, nighttimes. Construction site, etc., can even be used as other indicator light sources and backlight sources.

In the following, according to the technical means of the present invention, embodiments suitable for the present invention are listed, and the following description is in conjunction with the drawings:

Referring to the first and second figures, a perspective view and an exploded perspective view of a preferred embodiment of the present invention are disclosed. The LED lighting device of the present invention includes a tripod 10 and a power supply device 20, A base 30, a lighting assembly 40 and a guard rail 50. among them:

The bottom end of the tripod 10 can be unfolded and can be easily erected in any environment. When implemented, the height adjuster 11 can be used to adjust the height of the tripod 10 to extend upward.

The power supply device 20 is disposed at a lower position on the stand 10, and in addition to the function of supplying power, the tripod 10 can be further appropriately weighted, so that the stand 10 is less likely to be shaken and erected. More stable.

The base 30 is disposed at the top end of the stand 10, and is provided with a blower assembly 31 electrically connected to the power supply device 20, and a plurality of fixing frames 32 are disposed on the base 30.

The lighting assembly 40 is mounted on the base 30 and fixed by the fixing frame 32, and includes a plurality of LED lighting plates 41 electrically connected to the power supply device 20.

The plurality of LED illuminating plates 41 are respectively composed of array LEDs, which are arranged on a fixed frame 42 which is arranged on a stack or a stack of upper and lower stacks. The embodiment shows up and down. Two sets of fixing frames 42 arranged in a stack; the bottom end of the lowermost fixing frame 42 is engaged with the base 30, so that the LED lighting device can provide one or more sets of the fixing frame 42 and the LED lighting board 41 according to different use places, and The illumination angle and the direction are more diversified; in order to protect the LED on the LED light-emitting board 41, a protective layer may be coated on the outer surface of the LED light-emitting board 41, and the protective layer can also have waterproof effect when the weather is not good. .

The guard rail 50 is disposed on the base 30 and fixed by the fixing frame 32, and covers the periphery of the lighting assembly 40 to prevent the proximity person from accidentally touching the lighting assembly 40; and can be further used for fixing or connecting other items during implementation. Or the structural reinforcement between the lighting assembly 40.

Referring to the second and third figures, a cross-sectional view of the susceptor 30 and the illuminating assembly 40 of the preferred embodiment of the present invention is shown. The louver 30 has a hollow slot 33 therein, and the air inlet of the air supply assembly 31 is connected to the air inlet. The hollow groove 33 is provided with a screen 34 at the bottom of the base 30 for air to pass through the filter screen 34 and then into the hollow groove 33 for extraction by the air supply unit 31. The air outlet of the air supply unit 31 is connected to a flow guiding element 35 disposed on the base 30, so that the blown air is cooled toward the back of the plurality of LED light-emitting boards 41 disposed around the illumination assembly 40, so that the LED light-emitting board 41 can obtain good performance. heat radiation.

As shown in the fourth to sixth figures, the LEDs on the LED illuminating boards 41 may be in an array type, and the pivoting portions 43 are pivotally connected to the fixing frame 42 on both sides of the bottom end, so that the LED illuminating board 41 is pivotally connected. The portion 43 is an axis, which is inclined outwardly with respect to the fixed frame 42 or is folded upwardly and erected around the fixed frame 42 to adjust the illumination angle of the LED light-emitting panel 41.

In the implementation, the front side of each of the LED light-emitting panels 41 is respectively provided with a handle 44, and the back is provided with a connecting piece 45. The other ends of the connecting pieces 45 are respectively pivotally extended to a central position of the sliding frame 46 to the fixed frame 42. Each of the sliding blocks 461 has a sliding groove 461, and the sliding grooves 461 are respectively sleeved on a positioning rod 47 disposed at the center of the fixing frame 42 so that the sliding pieces 46 are respectively slid inward or outward on the positioning rod 47.

As shown in the fifth to eighth figures, when the user pushes or pulls the pull handle 44 on a certain LED light-emitting board 41, the sliding piece 46 can be made through the connecting piece 45 on the back of the LED light-emitting board 41. When the positioning rod 47 slides inward or outward, the LED light-emitting board 41 can be tilted outwardly with respect to the fixed frame 42 as the axis of the pivoting portion 43 as described above, or offset inwardly. The erected frame 42 is erected, whereby the illumination angle of the piece of the LED illuminating plate 41 can be adjusted to achieve a diversified illumination angle.

In addition, the positioning rod 47 disposed at the center of the fixing frame 42 is externally sleeved with a compression spring 48, and the bottom end of the compression spring 48 is elastically pressed against each sliding piece 46, and the sliding piece 46 of the aforementioned one piece of the LED lighting board 41 is provided. When the positioning rod 47 is slid to the appropriate position and then stopped, the elastic piece of the compression spring 48 is pressed, so that the sliding piece 46 can be positioned at the position where the sliding is stopped, so as to prevent the LED illuminating plate 41 from shaking after adjusting the positioning. . Please refer to the ninth, tenth, and eleventh drawings, which are schematic diagrams of the illumination assembly, the stereoscopic appearance of the fixed frame, and the illumination direction of the preferred embodiment of the present invention, and the overall appearance of the fixed frame 42 is In the hollow cylindrical shape, a plurality of alignment holes 421 arranged in an equidistant ring array are disposed between the stacked frame 42 so that the phase-stacked fixing frames 42 can be aligned in multiple directions and pass through the plurality of bolt assemblies 422. After passing through the alignment hole 421, it is fixed.

In this embodiment, the LED illuminating plate 41 of the upper fixing frame 42 and the LED illuminating plate 41 fixed to the lower fixing frame 42 are misaligned by the rotation adjustment of the alignment relationship between the fixing frames 42 so that the LED illuminating plates 41 are presented. The uniform array of features, in turn, causes the illumination assembly 40 to emit a uniform illumination source.

Referring to the twelfth and thirteenth drawings, FIG. 12 is a schematic view showing the appearance of the illumination assembly and the illumination direction according to the second embodiment of the preferred embodiment of the present invention, as described above, through the alignment relationship between the fixed frames 42. When the LED illuminating plate 41 fixed to the upper fixing frame 42 and the LED illuminating plate 41 fixed to the lower fixing frame 42 are arranged in an overlapping manner, the light sources of the upper and lower LED illuminating plates 41 can be concentrated at a specific angle. The illumination assembly 40 is caused to emit a concentrated illumination source.

As shown in FIG. 14 , in addition to the inclined arrangement, the LED light-emitting panel 41 of the illumination unit 40 can also adjust all the LED light-emitting panels 41 to be vertically erected by adjusting the illumination angle as described above. When the light is irradiated at a horizontal angle to the far side, when the plurality of LED light-emitting panels 41 disposed on the fixed frame 42 operate to emit light, they can be illuminated in all directions at the same time.

In the fifteenth figure, if the plurality of LED illuminating plates 41 on the upper and lower stacked fixing frames 42 are adjusted to different inclination angles, for example, the lower layer of the plurality of LED illuminating plates 41 is vertically erected at an angle and the upper layer is shown. The plurality of LED illuminating plates 41 are disposed at an obliquely downward angle so that the light can be illuminated at a horizontal angle by the lower LED illuminating plate 41, and the upper multiplexed LED illuminating plate 41 inclined downward can enhance the illuminance around the LED illuminating device. .

In summary, in addition to the excellent heat dissipation effect, the invention can easily erect the lighting device in various environments and terrains through the deployment of the tripod; and the pivoting angle adjustment of the LED illuminating panel and the plurality of fixed frames are The rotary alignment adjustment makes the illumination device of the invention more practical, and is beneficial for exerting its optimal illumination effect in various different use occasions.

However, the above description is only one of the preferred embodiments of the present invention, and thus the scope of the present invention is not limited thereto, and the equivalent structural changes that are made by using the present specification and the contents of the drawings are all included in the same reason. Within the scope of the present invention, Chen Ming is incorporated.

10. . . Tripod

11. . . Height adjuster

20. . . Power supply unit

30. . . Pedestal

31. . . Air supply component

32. . . Fixing frame

33. . . Hollow slot

34. . . Filter

35. . . Diversion element

40. . . Lighting assembly

41. . . LED light board

42. . . Fixed frame

421. . . Alignment hole

422. . . Bolt assembly

43. . . Pivot

44. . . Pull handle

45. . . Connecting piece

46. . . Slide

461. . . Chute

47. . . Positioning rod

48. . . compressed spring

50. . . Guardrail

First Figure: A perspective view of a preferred embodiment of the invention.

Second Figure: An exploded perspective view of a preferred embodiment of the invention.

Third Figure: A cross-sectional view of a pedestal and illumination assembly in accordance with a preferred embodiment of the present invention.

Fourth Figure: A perspective view of a partial structure of a lighting assembly of the present invention.

Fig. 5 is a side view (I) of the adjustment angle of the LED illuminating panel in the present invention.

Figure 6: Side view of the adjustment angle of the LED illuminating panel in the present invention (2).

Figure 7: Top view of the adjustment angle of the LED light-emitting panel in the present invention (1).

Figure 8: Top view of the adjustment angle of the LED illuminating panel in the present invention (2).

Figure 9 is an external view of a lighting assembly in accordance with a preferred embodiment of the present invention.

Figure 11 is a perspective view of a fixed frame of a preferred embodiment of the present invention.

Figure 11 is a schematic view (I) of the illumination direction of the preferred embodiment of the present invention.

Twelfth Figure: Schematic diagram of adjusting the illumination direction in the preferred embodiment of the present invention (2).

Thirteenth Graph: Schematic diagram of adjusting the irradiation direction in the preferred embodiment of the present invention (3).

Figure 14: Schematic diagram of adjusting the illumination direction according to the preferred embodiment of the present invention (4)

Fifteenth Figure: Schematic diagram of adjusting the illumination direction in the preferred embodiment of the present invention (5)

10. . . Tripod

11. . . Height adjuster

20. . . Power supply unit

30. . . Pedestal

40. . . Lighting assembly

50. . . Guardrail

Claims (10)

An LED lighting device includes a tripod, a base provided with a blower assembly on the tripod, and a lighting assembly having a plurality of LED lighting panels, wherein the plurality of LED lighting panels are arranged around the base, thereby Illuminating to the surrounding light; the air outlet of the air supply component is located below the back of each LED light-emitting board, and is forced to dissipate heat by blowing air upward to the back of the LED light-emitting board. The LED lighting device of claim 1, wherein the lighting assembly further comprises a fixing frame disposed on the base, and the plurality of LED lighting plates are disposed on the fixing frame. The LED lighting device of claim 1, wherein the lighting assembly further comprises a fixed array of stacked upper and lower frames disposed on the base, and the bottom end of the fixed frame is coupled to the base, the plurality of LEDs. The illuminating plates are respectively disposed around each of the fixed frames. The LED lighting device of claim 2, wherein each of the two sides of the LED light-emitting board has a pivoting portion pivoted on the fixed frame, so that the LED light-emitting board is pivoted, as opposed to The fixed frame is deflected outward or inward to adjust the illumination angle of the LED illuminating panel. The LED lighting device of claim 4, wherein each of the LED illuminating plates is respectively provided with a handle for applying force, and a connecting piece is arranged on the back, and the other ends of the connecting pieces are respectively pivoted to a sliding piece for fixing. The sliding frame has a sliding slot, and the sliding slots are respectively sleeved on a positioning rod disposed at the center of the fixing frame. When the LED lighting panels are adjusted in angle, the sliding sheets can be respectively inward on the positioning rod or Sliding outward. The LED lighting device of claim 5, wherein the positioning rod is sleeved with a compression spring, and the bottom end of the compression spring is elastically pressed on each sliding piece to position the sliding piece at a position where the sliding is stopped. The LED lighting device of claim 3, wherein the upper and lower stacked fixing frames are provided with a plurality of alignment holes arranged in equidistant rings for multi-directional pairing of the stacked frames. Position and fix through the alignment bolt through the plurality of bolt assemblies. The LED lighting device of any one of claims 1 to 3, wherein the base has a hollow slot therein, the air inlet of the air supply assembly is connected to the hollow slot, and the bottom of the base is provided with a filter screen for air passage. After the filter, it enters the hollow tank for the air supply component to be extracted. The LED lighting device of claim 8, wherein the air outlet of the air supply assembly is coupled to a flow guiding element disposed on the base, and the air blown toward the plurality of LED light emitting plates disposed around the base The back is cooled by air. The LED lighting device of any one of claims 1 to 3, wherein the base is further provided with a guardrail covering the periphery of the lighting assembly.