TW201307734A - Projection lighting device - Google Patents

Abstract

The present invention provides a projection lighting device, which comprises a lamp bracket including a plurality of openings in order to reduce the weight of the lamp bracket; a base connected with the lamp bracket; plural light source modules, which are respectively arranged in the openings, the light source modules being made of a high heat dissipating material and include plural light-emitting elements for emitting light; a power supply device electrically connected to the light source modules; as well as at least one ballast arranged in the light source modules or the power supply device, so that the power supply device can be internally mounted in the light source modules or externally disposed in the power box.

Description

Projection lighting device

The invention relates to a lighting fixture, in particular to a high energy projection lighting device.

According to the lighting source such as fluorescent lamp, sodium lamp, complex metal lamp, etc., it has better energy efficiency and longer service life than white woven bulbs, but these light sources have one thing in common, that is, they cannot be directly connected to the power source. It is necessary to cooperate with the ballast to generate the appropriate starting voltage, and then return to the normal voltage to allow the fluorescent tube to be normally lit. Therefore, the ballast can be regarded as an inductor in the lamp starting circuit, and has the following four functions: assisting the light-emitting element Start, provide a normal range of preheat current, limit the voltage change of the two poles of the lamp and stabilize the current. Light-emitting diode (LED) luminaires also have ballasts, mostly coil-type ballasts.

The projection lamp has a ballast with a traditional bulb or a light-emitting diode to make the light more stable, and since the projection lamp is usually used for indoor projection, a large-scale occasion or a large outdoor billboard, the light is concentrated. The effect is that for a strong light illumination, the required current amount is large, and it is necessary to provide a normal range current and stabilize the voltage by the ballast to avoid the bulb burning or the attenuation of the LED performance. At present, the projection lamps on the market can be divided into two types, one is fixed in the wall or the ceiling, and the other is equipped with a bracket, but it can not be adjusted at different angles to change the light type.

Accordingly, the present invention is directed to a projection lighting device that overcomes the above-described problems, and the specific architecture and embodiments thereof will be described in detail below.

SUMMARY OF THE INVENTION A primary object of the present invention is to provide a projection illumination device that utilizes the ballast in different positions such that the power source can be built into the light source module or externally placed in a power supply box.

Another object of the present invention is to provide a projection illumination device in which the connection between the lamp holder and the base is rotatably designed to adjust illumination at different angles.

A further object of the present invention is to provide a projection illumination device in which a light-emitting component such as a bulb, a lamp tube or a light-emitting diode (LED) in a light source module can be used with different secondary optical components to change the light-emitting type. .

Another object of the present invention is to provide a projection illumination device, wherein the light source module is fixed at the opening of the lamp holder, so that the heat generated by the high-intensity continuous illumination of the light source module can be dissipated through the opening, and the opening can be reduced The weight of the lamp holder.

In order to achieve the above object, the present invention provides a projection illumination device, including a lamp holder, a base, a plurality of light source modules, a power supply device, and at least one ballast, wherein the light source module is fixed at an opening in the lamp holder. The base is connected to the lamp holder; the light source module includes a plurality of light-emitting elements, such as a bulb, a lamp or an LED, to emit light; the power supply device is electrically connected to the light source module to provide power required for the light source module to emit light; and the stability is stabilized; The device can be installed in the light source module or in the power supply device, so that the power source is built in the light source module, and the wires of the ballast are collected into a bundle through the junction box and then connected to the external power source, or the power source is externally placed in the power box.

The purpose, technical content, features and effects achieved by the present invention will be more readily understood by the detailed description of the embodiments.

The invention provides a projection illumination device, which can choose to set the ballast to different positions according to different applications, and the projection angle can be adjusted by rotating the lamp holder.

1 is an exploded perspective view of a first embodiment of the present invention, including a base 10, a lamp holder 12, a plurality of light source modules 14, a power supply device, and at least one ballast (not shown), wherein the lamp The bracket 12 includes a plurality of openings 122. The openings 122 can be elongated, and are arranged laterally or directly on the lamp holder 12. The light source module 14 is fixed on the opening 122. The opening 122 can reduce the light fixture 12 The weight is beneficial to the heat dissipation of the light source module 14; the base 10 is U-shaped, and at least one fixing hole 102 is respectively disposed at the top ends of the base 10, and two fixing pieces 124 are disposed on the back surface of the lamp holder 12, and the fixing piece 124 and the fixing hole 102 are provided. The affixing is fixed by a locking component such as a screw or a nail, so that the base 10 is connected to the lamp holder 12; the light source module 14 includes a plurality of illuminating components, such as a bulb, a lamp or an LED, to emit light; in this embodiment, the power source is The device is a junction box 16a, which is electrically connected to the light source module 14 and disposed on the back of the lamp holder 12 and the light source module 14. The ballast is disposed inside the light source module 14, and the junction box 16a and the ballast AC power terminal wiring, the ball of the ballast The devices are integrated into one, and then externally connected, that is, the power source is built in the light source module 14 in this embodiment.

Please refer to the rear view of the projected illumination device after assembling the components in the first figure shown in Fig. 2. It can be seen from the figure that the lamp holder 12 has three openings, and each of the openings has a light source module 14 fixed thereto. The heat energy of the light source module 14 is dissipated, and the junction box 16a is fixed to the back of the lamp holder 12.

Figure 3 is a side view of the second figure, it can be more clearly seen that the junction box 16a is disposed on the back of the lamp holder 12, and the junction box 16a is connected to a plurality of wires, which can be connected to an external power source, such as a power socket. The power that can be used by the light source module 14 to emit light.

The lamp holder 12 is rotatable on the base 10 to change the illumination angle of the light-emitting elements in the light source module 14. As shown in FIG. 4, the fixing piece 124 on the back surface of the lamp holder 14 is connected to the fixing holes 102 on both sides of the base 10. When the screw is fixed, the lamp holder 12 can be rotated. Taking the figure 4 as an example, the projection illumination device in FIG. 3 is rotated counterclockwise by 90 degrees to illuminate the upper side as long as the wires are not tangled and the lamp holder 12 is When the bases 10 are not stuck to each other, the lamp holder 12 can be arbitrarily rotated by the fixing holes 102 as a fulcrum.

The light source module 14 can also be rotated in a single manner. As shown in FIG. 5, the angles of the upper, middle and lower light source modules 14 are different, and the middle light source module 14 is perpendicular to the lamp holder 12, upper and lower. The light source module 14 and the lamp holder 12 are slightly upward and downward, so that the illumination range is wider.

In the present invention, the power source can also be externally disposed. As shown in the second embodiment of the present invention in FIG. 6, the ballast is disposed in the power supply device instead of the light source module 14, and the power supply device is The power box 16b can be disposed on the base 10 or on the back of the light source module 14.

The light source module 14 is of a closed type, has an IP67 waterproof rating, and can be changed with different secondary optical components. Further, regardless of whether the power supply device is the junction box 16a of Fig. 1 or the power supply box 16b of Fig. 5, it has an IP67 waterproof rating. In addition, the light source module 14 is an aluminum extruded alloy with high heat dissipation effect.

In summary, the present invention provides a projection lighting device that is designed to be rotatable at a joint between a lamp holder and a base, and the base can be fixed at any position. By rotating the lamp holder to adjust illumination at different angles, a lot of The group of projection lighting devices are arranged side by side, and the angle of any light source module can be easily changed to adjust the illumination area; the opening on the lamp holder can reduce the weight of the lamp holder, and has the function of helping the heat dissipation of the light source module; The power supply can be built-in or external. The stabilizer is set in the light source module or the power supply box. No matter where the power supply is located, it can stabilize the current through the ballast and ensure high-energy illumination without damaging or degrading the illuminating components. .

The above is only the preferred embodiment of the present invention and is not intended to limit the scope of the present invention. Therefore, any changes or modifications of the features and spirits of the present invention should be included in the scope of the present invention.

10. . . Base

102. . . Fixed hole

12. . . Lamp bracket

122. . . Opening

124. . . Fixed piece

14. . . Light source module

16a. . . Junction Box

16b. . . power box

Figure 1 is an exploded view of a first embodiment of a projection illumination device of the present invention.

Figure 2 is a rear elevational view of the first embodiment of the projection illumination device of the present invention.

Figure 3 is a side elevational view of a first embodiment of a projection illumination device of the present invention.

Figure 4 is a schematic view showing the rotation angle of the lamp holder in the first embodiment of the projection illumination device of the present invention.

Fig. 5 is a schematic view showing the rotation angle of the light source module in the projection illumination device of the present invention.

Figure 6 is an exploded view of a second embodiment of the projection illumination device of the present invention.

10. . . Base

102. . . Fixed hole

12. . . Lamp bracket

122. . . Opening

124. . . Fixed piece

14. . . Light source module

16a. . . Junction Box

Claims (13)

A projection illumination device comprising: a lamp holder comprising a plurality of openings; a base connected to the lamp holder; and a plurality of light source modules disposed on the lamp holder, the light source module comprising a plurality of light-emitting elements for emitting light; a power supply device electrically connected to the light source modules; and at least one ballast disposed in the light source module or the power supply device. The projection illumination device of claim 1, wherein the light-emitting element is a bulb, a tube or a light-emitting diode. The projection lighting device of claim 1, wherein the openings are elongated, laterally or directly arranged on the lamp holder, and the light source modules are respectively fixed to the openings of the lamp holder. . The projection lighting device of claim 1, wherein the base is U-shaped, and the top ends of the two sides are respectively provided with at least one fixing hole, and the rear surface of the lamp holder is provided with two fixing pieces, and the fixing holes are pasted and locked for locking The component is fixed. The projection lighting device of claim 4, wherein the locking element is a screw or a nail. The projection illumination device of claim 1, wherein the lamp holder is rotatable on the base to change an illumination angle of the light source modules. The projection lighting device of claim 1, wherein when the ballast is disposed in the light source module, the power supply device is a junction box, and is connected to a wire of an AC power terminal of the ballast, and the wires are assembled bundle. The projection lighting device of claim 1, wherein the power supply device is a power supply box disposed on the base or on the back side of the light source module. The projection lighting device of claim 7, wherein the junction box includes a plurality of wires connected to an external power source. The projection lighting device of claim 1, wherein each of the light source modules comprises a ballast when the ballast is disposed in the light source module. The projection lighting device of claim 1, wherein the light source module and the power supply device are sealed and waterproof. The projection illumination device of claim 1, wherein the light-emitting elements of the light source modules are capable of changing the light-emitting type of light with different secondary optical elements. The projection illumination device of claim 1, wherein the light source modules are respectively rotatable at different angles.