Claims:WE CLAIM:

1. A lighting assembly 100 having heat dissipating capability, the lighting assembly 100 comprising:
a finned heat sink 101;
a locking unit 202;
a Printed Circuit Board (PCB) 102 mounted on a base plate of the finned heat sink 101;
one or more lighting devices 103 soldered on the PCB 102;
a diffuser 104;
a slider slot 205 capable to hold the diffuser 104;
one or more finned end caps 402 attached to one or more extreme corners of the finned heat sink 101;
a hollow bolt 801;
a cable gland 105; and
a driver circuit 404,
wherein the finned heat sink 101 facilitates a dissipation of heat by providing greater surface area due to its finned structure.

2. The lighting assembly 100 of claim 1, wherein a reflective surface 204 of the finned heat sink 101 reflects the light in a desired direction which further enhance an intensity of light.

3. The lighting assembly 100 of claim 1, wherein the finned heat sink 101 has a linear beam shaped structure which further facilitates linear mounting of the PCB 102 having the one or more lighting devices 103 by sliding mechanism which facilitates unidirectional projection of light with enhanced intensity.

4. The lighting assembly 100 of claim 1, wherein the locking unit 202 is used for locking plurality of finned heat sinks 101 together which further enhance the intensity of light.
5. The lighting assembly 100 of claim 1, wherein the one or more lighting devices 103 is one of a Light Emitting Diode (LED), a halogen lamp, a mercury bulb, incandescent bulb or a combination thereof.

6. The lighting assembly 100 of claim 1, wherein the diffuser 104 is fixed inside the slider slot 205 by sliding mechanism.

7. The lighting assembly 100 of claim 6, wherein the diffuser 104 acts as a protective cover for the PCB 102 and for the one or more lighting devices 103 which further protects the PCB 102 and the one or more lighting devices 103 from damages.

8. The lighting assembly 100 of claim 1, wherein the one or more finned end caps 402 is attached to one or more extreme corners of the finned heat sink 101 by sliding mechanism and further tightening by using the hollow bolt 801.

9. The lighting assembly 100 of claim 1, wherein the cable gland 105 protects a cable 303 from damages and unwanted physical contacts and further holds the cable 303 tightly.

10. The lighting assembly 100 of claim 1, wherein the driver circuit 404 regulates the power to the one or more lighting devices 103 by providing a constant quantity of power to the one or more lighting devices 103.

11. The lighting assembly 100 of claim 1, wherein plurality of finned heat sinks 101 is connected to each other by using one or more combi fitting jig 403.

12. The lighting assembly 100 of claim 11, wherein the one or more combi fitting jig 403 holds the plurality of finned heat sink 101 either parallelly or provides different angular alignment between the plurality of finned heat sinks 101.
Dated this 2nd day of August 2017
, Description:FORM 2

THE PATENTS ACT, 1970
(39 of 1970)
&
THE PATENT RULES, 2003

COMPLETE SPECIFICATION

(See Section 10 and Rule 13)

Title of invention:
A LIGHTING ASSEMBLY HAVING HEAT DISSIPATING CAPABILITY AND A METHOD THEREOF

APPLICANT:
Tucana lights Pvt. Ltd.
An Indian Entity
having address
31, heritage homes,
Thaltej village
Ahmedabad, Gujarat-380059
India

The following specification describes the invention and the manner in which it is to be performed.

CROSS-REFERENCE TO RELATED APPLICATIONS AND PRIORITY
The present application does not claim priority from any other patent application.

TECHNICAL FIELD

The present subject matter described herein, in general, relates to a lighting assembly having heat dissipating capability and a method thereof.

BACKGROUND

Many electric or electronic components such as Light Emitting diode (LED), a halogen lamp, a mercury bulb, incandescent bulb or any other diodes or lighting devices may produce heat when such lights are switched on upon application of current.

Upon application of direct current, they emit light along with radiant energy. As one side of lighting devices has to be mounted on holding surface, the electrical energy on mounting side of the lighting means gets converted into heat energy. While the other side coverts most of the electrical energy to light energy.

However, with the advancement in high power lighting technology, the heat generated with high power lighting devices is also increased, and the dissipation of heat becomes a critical problem. This heat generated from the lighting devices becomes the limiting factor for their life. Such problem also limits the development and applications of different lighting devices. The poor heat dissipation results to the overheating of the lighting devices. When the junction temperature exceeds 120° C., the high temperature damages the lighting devices and leads to lower performance of the lighting devices, shorter service life, and even the peril of burnout. Effective heat dissipation can be achieved by increasing the surface area of the heat dissipating systems or devices. Surface area can be increased by making the surface of the heat dissipating systems or devices finned. Existing heat dissipating systems or devices are not finned or partially finned.

In view of the above, it can be concluded that there is a long-felt need to have a provision to dissipate the generated heat and to keep the lighting device cool and functional. There is a long-standing need for a provision to have a horizontal base for mounting the lighting device on a Printed Circuit Board (PCB) and also a sliding mechanism to mount the PCB on the horizontal surface of the heat sink.
SUMMARY

This summary is provided to introduce concepts related to a lighting assembly having heat dissipating capability and a method thereof and the concepts are further described in the detail description. This summary is not intended to identify essential features of the claimed subject matter nor it is intended to use in determining or limiting the scope of claimed subject matter.

In one implementation, the invention discloses a lighting assembly having heat dissipating capability and a method thereof. The lighting assembly having heat dissipating capability may comprise may comprise a finned heat sink, a locking unit, a Printed Circuit Board (PCB) mounted on a base plate of the heat sink, one or more lighting devices soldered on the PCB, a diffuser, a slider slot capable to hold the diffuser, one or more finned end caps attached to one or more extreme corners of the finned heat sink, a hollow bolt, a cable gland and a driver circuit. The finned heat sink may further facilitate a dissipation of heat by providing greater surface area due to its fully finned structure.

BRIEF DESCRIPTION OF DRAWINGS

The detailed description is described with reference to the accompanying Figures. In the Figures, the left-most digit(s) of a reference number identifies the Figure in which the reference number first appears. The same numbers are used throughout the drawings to refer like features and components.

Figure 1 illustrates a lighting assembly 100, in accordance with an embodiment of a present subject matter.

Figure 2 illustrates a finned heat sink and its components, in accordance with an embodiment of a present subject matter.

Figure 3 illustrates different views of the finned heat sink, in accordance with the embodiment of the present subject matter.

Figure 4 illustrates different views of plurality of the finned heat sinks with finned end caps fixed on each of its extreme corners connected together, in accordance with the embodiment of the present subject matter.

Figure 5 illustrates different views of a combi fitting jig, in accordance with the embodiment of the present subject matter.

Figure 6 illustrates use of the combi fitting jig for an angular fitting of the plurality of finned heat sinks, in accordance with the embodiment of the present subject matter.

Figure 7 illustrates a sectional view of the angular fitting of the plurality of finned heat sinks, in accordance with the embodiment of the present subject matter.

Figure 8 illustrates a top view of the lighting assembly, in accordance with the embodiment of the present subject matter.

Figure 9 illustrates different views of the finned end caps 402, in accordance with the embodiment of the present subject matter.

Figure 10 illustrates a perspective view of the lighting assembly 100, in accordance with the embodiment of the present subject matter.

Figure 11 illustrates a fixing mechanism of the finned end cap with the finned heat sink, in accordance with the embodiment of the present subject matter.

DETAILED DESCRIPTION

Reference throughout the specification to “various embodiments,” “some embodiments,” “one embodiment,” or “an embodiment” means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, appearances of the phrases “in various embodiments,” “in some embodiments,” “in one embodiment,” or “in an embodiment” in places throughout the specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to figure 1, illustrates a lighting assembly 100, in accordance with an embodiment of a present subject matter.

In one embodiment, the lighting assembly 100 may comprise a finned heat sink 101, a PCB 102, one or more lighting devices 103 soldered on the PCB 102, a cable gland 105 and a diffuser 104.

In one embodiment, the one or more lighting devices 103 may be one of a Light Emitting Diode (LED), a halogen lamp, a mercury bulb, incandescent bulb or a combination thereof.

In one embodiment, the finned heat sink 101 may be a completely finned heat sink which may further facilitate an improved and efficient dissipation of heat by providing greater surface area due to its completely finned structure. The finned heat sink 101 may have a linear beam shaped structure which may further facilitate linear mounting of the PCB 102 having the one or more lighting devices 103 by sliding mechanism which may further facilitate unidirectional projection of light with enhanced intensity.

In one embodiment, the diffuser 104 may act as a protective cover for the PCB 102 and for the one or more lighting devices 103 which may further protect the one or more lighting devices 103 and the PCB 102 from damage and any unwanted external physical contact.

Now referring to figure 2, illustrates a finned heat sink 101 and its components, in accordance with an embodiment of a present subject matter.

In one embodiment, the finned heat sink 101 may comprise a space 201 for threading and making connections for providing electricity to the lighting assembly 100. The finned heat sink 100 may comprise a locking unit 202. The locking unit 202 may be is used for locking plurality of finned heat sinks 101 together which further enhance the intensity of light. The finned heat sink 101 may have a horizontal base may be referred to as a base plate 203 hereinafter. The PCB 102 may be mounted on a base plate 203 of the finned heat sink 101.

In one embodiment, the reflective surface 204 of the finned heat sink 101 may reflect the light in a desired direction which further enhance an intensity of light. The finned heat sink 101 may comprise a slider slot 205 and heat radiating fins 206. The heat radiating fins 206 may radiate heat and may be made up of metals such as but are not limited to aluminium. The diffuser 104 may be fixed inside the slider slot 205 by sliding mechanism.

Now referring to figure 3, illustrates different views of the finned heat sink 101, in accordance with the embodiment of the present subject matter. Figure 301-a represents a top view of the finned heat sink 101. Figure 301-b represents a front view of the finned heat sink 101. Figure 301-c represents a side view of the finned heat sink 101. Figure 301-d represents a bottom view of the finned heat sink 101. A slot 302 facilitates connection of a cable 303. The cable 303 provides the electricity and power to the lighting assembly. The cable gland 105 may be used for protecting the cable 303 from damages and unwanted physical contacts and for holding the cable 303 tightly.

Figure 4 illustrates different views of plurality of the finned heat sinks 101 with finned end caps fixed on each of its extreme corners connected together, in accordance with the embodiment of the present subject matter. Figure 401-a, 401-b, 401-c and 401-d represents different views of plurality of the finned heat sinks 101 with finned end caps 402 fixed on each of its extreme corners connected together.

In one embodiment, figure 401-a represents an isometric view; figure 401-b represents bottom view; figure 401-c represents a right view and figure 401-d represents a front view of the plurality of the finned heat sinks 101 with finned end caps 402 fixed on each of its extreme corners connected together using a combi fitting jig 403.

In one embodiment, a driver circuit 404-a, 404-b, 404-c……., 404-n may also be referred to as a driver circuit 404 hereinafter may regulate power to the one or more lighting devices 103 by providing a constant quantity of power to the one or more lighting devices 103. The driver circuit 404 may be connected anywhere in the lighting assembly 100.

Figure 5 illustrates different views of the combi fitting jig 403, in accordance with the embodiment of the present subject matter. Figure 403-a represents a top view of the combi fitting jig 403. Figure 403-b represents a front view of the combi fitting jig 403. Figure 403-c represents a bottom view of the combi fitting jig 403.Fugure 403-d represents sectional view of the combi fitting jig 403. Figure 403-e represents perspective view of the combi fitting jig 403.

In one embodiment, the one or more combi fitting jigs 403 may either holds the plurality of finned heat sink 101 parallelly or provides different angular alignment between the plurality of finned heat sinks 101.

Figure 6 illustrates use of the combi fitting jig 403 for an angular fitting of the plurality of finned heat sinks 101, in accordance with the embodiment of the present subject matter.

In one embodiment, the angle between alignment of the plurality of finned heat sinks 101 may vary according to the desired amount of light and desired direction of light.

In an exemplary embodiment, the angle may be 60 degrees and may be reduced to 30 degrees as per requirement.

Figure 7 illustrates a sectional view of the angular fitting of the plurality of finned heat sinks 101, in accordance with the embodiment of the present subject matter.

Figure 8 illustrates a top view of the lighting assembly 100, in accordance with the embodiment of the present subject matter. The lighting assembly 100 may comprise a hollow bolt 801-a, 801-b……., 801-n may be referred to as a hollow bolt 801 hereinafter. The hollow bolt 801 may be used to tightens the finned end caps 402 with the finned heat sink 101.

Figure 9 illustrates different views of the finned end caps 402, in accordance with the embodiment of the present subject matter.

Figure 10 illustrates a perspective view of the lighting assembly 100, in accordance with the embodiment of the present subject matter. The finned heat sink 101 and the finned end caps 402 may be connected and thus may form the complete lighting assembly finned which facilitates efficient heat dissipation.

Figure 11 illustrates a fixing mechanism of the finned end cap 402 with the finned heat sink 101, in accordance with the embodiment of the present subject matter. The one or more finned end caps 402 may be attached to one or more extreme corners of the finned heat sink 101 by sliding mechanism and further tightening by using the hollow bolt 801.

The embodiments, examples and alternatives of the preceding paragraphs or the description and drawings, including any of their various aspects or respective individual features, may be taken independently or in any combination. Features described in connection with one embodiment are applicable to all embodiments, unless such features are incompatible.

Although implementations for a lighting assembly having heat dissipating capability and a method thereof have been described in language specific to structural features and/or methods, it is to be understood that the appended claims are not necessarily limited to the specific features or methods described. Rather, the specific features and methods are disclosed as examples of implementations for a heat exchanger assembly for dissipating heat and a method thereof.