TWM444482U - Illuminating apparatus - Google Patents

Description

Lighting device

The present invention relates to a lighting device, and in particular to a lighting device having a heat dissipation module.

The traditional tungsten filament bulb is a cheap and common lighting device, but the main problem faced by the tungsten filament bulb is that the luminous efficiency is not good, and a relatively high proportion of the electric energy supplied to the tungsten filament bulb is converted into heat energy, so that A lot of unwarranted energy consumption. In short, tungsten filament bulbs consume considerable power, so they can be said to have been replaced by power-saving bulbs and fluorescent lamps in the current market. The principle of illumination of the power-saving bulb and the fluorescent lamp are the same. The fluorescent powder is coated in the elongated tube and filled with appropriate gas. It only needs to be energized at both ends of the tube, and the fluorescent powder in the tube is excited to generate light.
Since the development of light emitting diodes (LEDs) in the field of lighting (such as light-emitting diodes that can produce white light), lighting with LEDs as light-emitting components has been seen on the market. Device. Compared to tungsten filament bulbs, power-saving bulbs and fluorescent lamps, LED lighting devices have many advantages, such as power saving, low pollution, shock resistance, vibration resistance and longer life. However, the light-emitting diode has a problem that the illumination is not uniform enough and the luminous efficiency is attenuated with temperature.
Regarding the portion of the illumination, since the light-emitting diode is a point light source, the illumination device using the light-emitting diode has a problem that the light pattern generated in the space is likely to be excessively concentrated and the illumination is not uniform enough. The part about the luminous efficiency, that is, the efficiency with which the light-emitting diode converts electrical energy into light energy, decreases sharply as the temperature rises. In other words, in a high-temperature environment, the luminous efficiency of the light-emitting diode is not good, and the power-saving effect is greatly reduced. Therefore, in the existing light-emitting diode lighting device, heat-dissipating fins are generally added to help them dissipate heat.
However, when the different power LEDs are in operation, the amount of heat required to dissipate per unit time is also different. However, in the existing light-emitting diode lighting device, the heat-dissipating fins are substantially fixed on the lighting device, and for the convenience of manufacture, the heat-dissipating fins having a fixed heat-dissipating efficiency are often used on the lighting devices of different powers. . If the corresponding cooling fins are installed for different power lighting devices during production, the cost will be increased. In addition, compared with the light-emitting diode itself, the heat-dissipating fin has a relatively long life. If the lighting device used by the consumer is damaged or aged, so that it cannot operate normally, the lighting device, together with the heat-dissipating fin, is required. The replacement of the group is neither environmentally friendly nor cost-effective.

In view of the deficiencies of the prior art, the purpose of the present invention is to provide a lighting device which is capable of reducing the production cost of the lighting device by using a detachable heat dissipating module, and improving the convenience and applicability of the use. .
In order to achieve the above object, the present invention proposes a lighting device suitable for mounting on a socket. The lighting device comprises a seat body, a body, a light emitting component, a cover body and a heat dissipation module. The base has a head end and a tip end, and the end has a connecting portion corresponding to the lamp holder. The body is connected to the head end of the base body, and the light-emitting component is fixed to one end of the body that is not connected to the base body. The cover body is integrated with the body and forms an accommodation space together with the body, and the accommodating space houses the light-emitting component. The heat dissipation module is disposed around the body and detachably engaged with the body.
In an embodiment of the present invention, the heat dissipation module has a ring portion, the body is circumferentially provided with a neck portion, the ring portion is matched with the neck portion, and the ring portion is detachably engaged with the neck portion.
In an embodiment of the present invention, the heat dissipation module further has a plurality of heat dissipation fins, and the heat dissipation fins are disposed around the body.
In an embodiment of the present invention, the heat dissipation fin has a bent portion and is formed in a wave shape.
In an embodiment of the present invention, the illumination device further includes a second heat dissipation module, and the second heat dissipation module is disposed around the heat dissipation module and detachably engaged with the heat dissipation module.
In an embodiment of the present invention, the light emitting component comprises a light emitting diode.
In an embodiment of the present invention, the cover system is a hollow spherical body or a hollow cylindrical body.
In an embodiment of the present invention, the outer surface of the cover is circumferentially provided with a spiral structure.
In an embodiment of the present invention, the spiral structure has staggered convex portions and concave portions, the concave portion has an inner rounded corner, and the light transmittance of the concave portion is higher than the light transmittance of the convex portion.
In an embodiment of the present invention, the convex portion is opaque.
The illumination device proposed by the present invention has a cover body which can improve the diffusibility of light, and the heat dissipation module is detachably engaged with the body, which is quite convenient in disassembly and assembly, and the creation is no matter the prior art. In terms of manufacturing and use, it can reduce costs, improve convenience and applicability, and improve light uniformity.
To make the objects, features, and advantages of the present invention more comprehensible to those of ordinary skill in the art, the following description of the preferred embodiments and the accompanying drawings are set forth below.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , FIG. 1 is a perspective view of a lighting device according to a preferred embodiment of the present invention, and FIG. 2 is a partial enlarged view of the lighting device according to a preferred embodiment of the present invention. FIG. 3 is an exploded view of the illumination device of the preferred embodiment of the present invention, wherein FIG. 2 is a partial enlargement of the area a shown in FIG.

The illuminating device 100 is suitable for being mounted on a lamp holder (not shown). The lamp holder is generally fixedly disposed on a ceiling or a wall, or can be disposed in a movable luminaire such as a desk lamp, and is electrically connected to the mains system. Or the rest of the power generation system. The illuminating device 100 includes a base 110, a body 120, a light-emitting component (not shown), a cover 130 and a heat dissipation module 140. In this embodiment, the light generating unit in the light emitting assembly employs a light emitting diode. The seat body 110 has a head end 111 and a tip end 112 for holding the connecting portion 113. As shown in FIG. 3, the end 112 is circumferentially provided with an external thread, and the inside of the connecting portion 113 is provided with an internal thread (not shown) corresponding to the external thread of the end 112, so that the connecting portion 113 can be sleeved at the end 112 and Further rotationally locked, the connecting portion 113 can be fixed to the end 112 from each other.

One end of the body 120 is circumferentially provided with a neck 121, and the other end of the body 120 has an assembly surface 122. Wherein, the neck 121 and the shaft of the body 120 form a hollow structure, and the hollow structure is matched with the head end 111 of the base 110, so that the head end 111 can penetrate the body 120, so that the base 110 and the body 120 are connected to each other. fixed. The fixing means may adopt a tight fit or a card joint, etc., which is well known to those skilled in the art and will not be described herein.

In this embodiment, the light-emitting component is fixed on the assembly surface 122 of the body 120, and is electrically connected to the connecting portion 113 by the electric wire passing through the body 120 and the central axis of the base 110, and is electrically connected. Not limited to this. The connecting portion 113 corresponds to the lamp holder. In detail, the external thread 114 of the connecting portion 113 and the internal thread of the socket correspond to each other, and the connecting portion 113 can be rotatably locked into the socket through the external thread 114. In one way, the lighting assembly can accept the power provided by the lamp holder.

The cover body 130 is configured to cover the periphery of the assembly surface 122 of the body 120 and house the light-emitting component in the cover body 130. In the present embodiment, the cover 130 is a hollow cylindrical body, but in other embodiments, the cover may also be a hollow spherical body or other body. The inside of the cover body 130 has a hollow area 134. After the cover body 130 is engaged with the body 120, the hollow area 134 and the assembly surface 122 together form a closed accommodating space (not labeled), and the light-emitting component is located in the accommodating space. The light generated by the light-emitting component is scattered through the cover 130 to the external space. Therefore, the geometry of the cover 130 has a decisive influence on the light pattern of the light scattered therethrough.

The outer surface of the cover body 130 is surrounded by a spiral structure 131. The spiral structure 131 has a staggered convex portion 132 and a concave portion 133. Specifically, the convex portion 132 is spirally formed on the outer surface of the cover body 130. The recessed portion 133 between the convex portions 132 and the concave portion 133 may be defined. The recess 133 is provided with an inner fillet 135. In the present embodiment, the light transmittance of the concave portion 133 is higher than the light transmittance of the convex portion 132. This design contributes to the improvement of the diffusibility of light, and has the meaning of improving the uniformity of light in the effect of illumination. Preferably, the light transmittance of the convex portion 132 may approach zero or opaque. In addition, the fillet 135 has a predetermined curvature to facilitate the light source to condense or astigmatize by the predetermined curvature, and thus the predetermined curvature affects the light pattern when the light is transmitted through the cover 130 to the external space.

Please refer to FIG. 4 again. FIG. 4 is a schematic diagram of disassembly and assembly of the heat dissipation module according to a preferred embodiment of the present invention. The heat dissipation module 140 is designed to be detachably engaged with the body 120 when engaged. The heat dissipation module 140 is disposed around the body 120. The detachable snapping means that the heat dissipation module 140 can be easily and conveniently engaged with the body 120, and can be easily and conveniently detached from the body 120. In this embodiment, the heat dissipation module 140 has a ring portion 141, and the ring portion 141 is matched with the neck portion 121. Specifically, the neck portion 121 is provided with a groove, and the inner side surface of the ring portion 141 has a corresponding concave portion. The protrusion of the groove can be engaged or disengaged from the neck 121 by pushing or pushing the protrusion into the groove, and the associated heat dissipation module 140 and the body 120 can also be engaged or separated from each other. In other embodiments, a tight fit or a fastening means such as a cassette may be used between the ring portion and the neck portion for the purpose of detachably engaging the heat dissipation module to the body.

The heat dissipation module 140 further has a plurality of heat dissipation fins 142. One end of the heat dissipation fins 142 is connected to the ring portion 141 and spaced apart from each other. When the heat dissipation module 140 is engaged with the body 120, the heat dissipation fins 142 are disposed around the body. Around 120 to help the body 120 to dissipate heat. The heat dissipation fins 142 have a bent portion and are formed in a wave shape, but are not limited thereto. In assembly, as shown in FIG. 4, the heat dissipation module 140 is first axially aligned with the axis of the body 120, and then nested by the bottom of the base 110 until the ring portion 141 is in contact with the periphery of the neck 121. The force is applied to cause the ring portions 141 to enter the neck portion 121 to engage each other. To disassemble the heat dissipation module 140 from the body 120, it is only necessary to apply a force to the heat dissipation module 140 in the opposite direction to release the ring portion 141 from the neck portion 121.

In a specific case, for example, the lighting device uses a relatively high-powered light-emitting diode, and when the heat dissipation capability of the original heat-dissipating module is insufficient, the lighting device may further add a second heat-dissipating module, and the second heat-dissipating module Having a second ring portion, the inner side surface of the second ring portion has a protrusion, and the outer side surface of the ring portion of the original heat dissipation module has a groove corresponding to the protrusion, whereby the second ring portion and the ring portion are The second heat dissipation module is detachably engaged with the heat dissipation module and is disposed around the heat dissipation module. As described above, by adding a second heat dissipation module, or even a third heat dissipation module to the original heat dissipation module, and adopting a detachable snap design, the light-emitting diode can be responded to. The heat dissipation of the body is required to adjust the overall heat dissipation capability.

In summary, the illumination device proposed by the present invention has a cover body which can improve the diffusibility of light, and the heat dissipation module is detachably engaged with the body, which is quite convenient in disassembly and assembly. At the production end, the lighting device can be installed with suitable heat dissipation modules for different power lighting devices, and the assembly is quite convenient; at the client end, the user can also install or replace the heat dissipation module for the heat dissipation requirements of the lighting device. And because the life of the heat dissipation module is extremely long, the heat dissipation module can be continuously used even if part of the light emitting diode is damaged. Compared with the prior art, this creation can reduce the cost and improve the convenience and applicability in both manufacturing and use, and can improve the uniformity of illumination and be more environmentally friendly.

Although the present invention has been disclosed in the above preferred embodiments, it is not intended to limit the present invention, and anyone skilled in the art can make some changes and refinements without departing from the spirit and scope of the present invention. The scope of protection is subject to the definition of the scope of the patent application.

100‧‧‧Lighting device

110‧‧‧ body

111‧‧‧ head end

End of 112‧‧‧

113‧‧‧Connecting Department

114‧‧‧External thread

120‧‧‧ body

121‧‧‧ neck

122‧‧‧ Assembly surface

130‧‧‧ Cover

131‧‧‧Spiral structure

132‧‧‧ convex

133‧‧‧ recess

134‧‧‧ hollow area

135‧‧‧ fillet

140‧‧‧ Thermal Module

141‧‧‧ Ring Department

142‧‧‧heat fins

FIG. 1 is a perspective view of a lighting device according to a preferred embodiment of the present invention.

FIG. 2 is a partial enlarged view of a lighting device according to a preferred embodiment of the present invention.

FIG. 3 is an exploded view of a lighting device according to a preferred embodiment of the present invention.

FIG. 4 is a schematic diagram of disassembly and assembly of a heat dissipation module according to a preferred embodiment of the present invention.

100‧‧‧Lighting device

110‧‧‧ body

111‧‧‧ head end

End of 112‧‧‧

113‧‧‧Connecting Department

114‧‧‧External thread

120‧‧‧ body

121‧‧‧ neck

122‧‧‧ Assembly surface

130‧‧‧ Cover

131‧‧‧Spiral structure

132‧‧‧ convex

133‧‧‧ recess

134‧‧‧ hollow area

140‧‧‧ Thermal Module

141‧‧‧ Ring Department

142‧‧‧heat fins

Claims (10)

A lighting device suitable for being mounted on a lamp holder, the lighting device comprising:
a body having a head end and an end end, the end end having a connecting portion corresponding to the lamp holder;
a body connected to the head end of the body;
a light-emitting component is fixed to one end of the body that is not connected to the body;
a cover body is disposed on the body and forms an accommodating space together with the body, the accommodating space accommodating the illuminating component; and a heat dissipating module surrounding the detachable engagement around the body On the body. The lighting device of claim 1, wherein the heat dissipation module has a ring portion, the body is circumferentially provided with a neck portion, the ring portion is matched with the neck portion, and the ring portion is detachably engaged with the ring portion The neck. The lighting device of claim 1, wherein the heat dissipation module has a plurality of heat dissipation fins disposed around the body. The lighting device of claim 3, wherein the heat dissipating fins have a bent portion and are formed in a wave shape. The illuminating device of claim 1, further comprising a second heat dissipating module, the second heat dissipating module being disposed around the heat dissipating module and detachably engaged with the heat dissipating module. The illuminating device of claim 1, wherein the illuminating assembly comprises a light emitting diode. The illuminating device of claim 1, wherein the hood system is a hollow spheroid or a hollow column. The illuminating device of claim 1, wherein the outer surface of the cover is provided with a spiral structure. The illuminating device of claim 8, wherein the spiral structure has a convex portion and a concave portion which are staggered, the concave portion has an inner rounded corner, and the light transmittance of the concave portion is higher than the convex portion Transmittance. The illuminating device of claim 9, wherein the convex portion is opaque.