CN101900271A - Light-emitting diode lamps with better heat dissipation effect - Google Patents

Abstract

The invention discloses a light-emitting diode lamp with better heat dissipation effect, which includes a radiator, a light-emitting module, a fixing seat, and a lens. The module includes: a heat conduction plate and at least one LED unit, the heat conduction plate is arranged on the base of the heat sink, the LED unit is arranged on the heat conduction plate; the circuit board is placed in the fixing seat and is located under the base plate , the circuit board is electrically connected to the LED unit through wires, and the circuit board is provided with two pins, and the pins go out of the fixing seat to connect with the external power supply; the lens is placed in the accommodation space, and is located at above the LED unit. The invention solves the problem of poor heat dissipation effect of light-emitting diode lamps in the prior art, and provides an LED light source module that is light in light source module, good in heat dissipation effect, and can be conveniently disassembled and replaced. It is suitable for LED lamps with MR-16 specification, PAR-30 specification and PAR-38 specification.

Description

Light-emitting diode lamps with better heat dissipation effect

technical field

The invention relates to a light-emitting diode lamp, in particular to a light-emitting diode lamp capable of effectively dissipating generated heat.

Background technique

Traditional lighting mostly uses high-pressure sodium lamps, but with the development of technology, LED lamps have been widely used in various lighting fields due to their advantages such as high luminous efficiency, low power consumption, no need for high voltage, and high safety. When lighting large areas (such as headlights, street lights, tunnel lights, square lighting, factory lighting, park lights, etc.), the power of LED lights is relatively high at this time, and the life of LED light sources is closely related to the operating temperature of nodes. During the working process of LED lamps, only 15% to 25% of the electrical energy is converted into light energy, and the rest of the electrical energy is almost converted into heat energy, which increases the temperature of the LED lamp, and its reliability will be reduced by half every time the temperature increases by 10 degrees. Especially in high-power LEDs, heat dissipation is a big problem. If the heat dissipation is not good, it will directly lead to rapid aging of the LED, and the stability will be reduced. At the same time, if the heat dissipation is not good, it will cause serious light decay and affect the life of the lamp. The heat dissipation method in the prior art uses fans to dissipate heat to meet the heat dissipation requirements of high-power LED lights. This method has obvious technical defects, because the basic life of LED lights is 50,000 hours, and the life of fans is difficult to meet such a long time. Needed, once the fan does not work normally, the high-power LED lamp will be damaged, and the installation of the fan device increases the consumption of energy, resulting in a waste of energy. At the same time, in order to reduce costs, most products only use thermal paste for heat dissipation, which will cause greater attenuation of the LED light source and cannot be widely used in large-area lighting.

Contents of the invention

In order to solve the problem of poor heat dissipation effect of light-emitting diode lamps in the prior art, the present invention provides an LED light source module that is light in weight, good in heat dissipation, and can be easily disassembled and replaced.

In order to achieve the above object, the technical scheme that the present invention takes is:

A light-emitting diode lamp with better heat dissipation effect, comprising a radiator, a light-emitting module, a fixing seat, and a lens, characterized in that:

The heat sink includes at least one substrate part and a plurality of heat dissipation fins, the substrate part includes a base and a plurality of extension arms extending from the base, each extension arm and the other two extension arms adjacent to the extension arm There are slots between them, the middle part of the cooling fins is inserted into the corresponding slots of the base plate, the base plate and the cooling fins above the base plate are surrounded to form an accommodation space, and the bottom of the cooling fins is fixed on the fixing seat by silica gel on the outside surface;

The light emitting module includes: a heat conducting plate and at least one LED unit, the heat conducting plate is arranged on the base of the radiator, and the LED unit is arranged on the heat conducting plate;

The circuit board is placed in the fixing seat, and is located under the base plate. The circuit board is electrically connected to the LED unit through wires. The circuit board is provided with two pins, and the pins pass through the outside of the fixing seat and outside power supply connection;

The lens is placed in the accommodating space and above the LED unit.

The aforementioned light-emitting diode lamp with better heat dissipation is characterized in that the silica gel is silica gel with high thermal conductivity.

The aforementioned light-emitting diode lamp with better heat dissipation is characterized in that a circle of lens fixing seats is arranged in the accommodating space, and the lens fixing seats are arranged on the outer periphery of the lens to fix the lens.

The aforementioned light-emitting diode lamp with better heat dissipation is characterized in that: the fixing seat is a hollow shell, and a pair of slots are symmetrically arranged on its inner wall, and the two sides of the circuit board are placed in the slots and fixed .

The aforementioned light-emitting diode lamp with better heat dissipation effect is characterized in that: a circle of concave grooves is provided on the outer wall of the fixing seat, and a gap is provided on the outside of the bottom of each heat dissipation fin, and the heat dissipation fin The notch is set and fixed in the concave card groove.

The aforementioned light-emitting diode lamp with better heat dissipation is characterized in that: the substrate part is provided with two through holes, and the circuit board is provided with two lead wires, and the two lead wires pass through two holes of the substrate part. The through hole is connected with the LED unit.

The aforementioned light-emitting diode lamp with better heat dissipation is characterized in that it also includes a protection ring, the bottom of the inner wall of the protection ring is provided with a plurality of grooves, and the tops of the heat dissipation fins are respectively inserted in the corresponding in the groove.

The above-mentioned light-emitting diode lamp with better heat dissipation effect is characterized in that: a number of buckles extend inwardly from the inner wall of the protective ring, each buckle corresponds to a groove, and the corresponding position on the top of each heat dissipation fin There are buckle holes on the top, and the buckle is matched and fixed with the buckle holes of the cooling fins inserted into the groove of the protection ring.

The beneficial effects of the present invention are:

1. In the present invention, a heat conduction plate is arranged under the LED unit, and the heat generated by the LED unit is conducted to the substrate through the heat conduction plate, and the heat is dissipated by the heat exchange between the heat dissipation fins on the substrate and the air, and the rapid Heat dissipation, with efficient conduction heat dissipation, can effectively solve the heat dissipation problem of LED lamps.

2. The various parts of the present invention are mostly connected by plugging, so that the assembly, disassembly and combination are very convenient when maintaining and replacing parts, saving a lot of time and cost.

3. In the present invention, a lens is provided on the LED unit to increase the range of projected light from the LED, thereby making full use of the light effect of the LED, increasing the amount of light produced, and increasing the irradiation intensity of the LED lamp.

Description of drawings

Fig. 1 is a three-dimensional exploded view of a light-emitting diode lamp of the present invention;

Fig. 2 is a three-dimensional exploded view of another angle of the light-emitting diode lamp of the present invention;

Fig. 3 is a three-dimensional combined view of the light-emitting diode lamp of the present invention;

Fig. 4 is a three-dimensional combination diagram of another angle of the light-emitting diode lamp of the present invention;

Fig. 5 is a three-dimensional exploded view of the radiator of the LED lamp of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings.

As shown in the figure, the light-emitting diode lamp with better heat dissipation effect includes a radiator, a light-emitting module, a protective ring 1, a lens 2, a lens fixing seat 3, and a fixing seat 10, and the radiator includes at least one substrate part 6 and a plurality of cooling fins The sheet 7, the substrate part 6 includes a base 11 and a plurality of extension arms 12 extending from the base 11, each extension arm 12 has a slot 13 between the other two extension arms 12 adjacent to the extension arm 12, The middle part of the cooling fins 7 is inserted into the slot 13 corresponding to the substrate part 6, and the substrate part 6 and the part of the cooling fins 7 above the substrate part 6 are surrounded to form an accommodating space 19. Concave slot 16 , a notch 14 is provided on the outside of the bottom of each cooling fin 7 , the notch 14 of the cooling fin 7 is clamped and fixed in the concave slot 16 , and fixed on the outer surface of the fixing seat 10 by silica gel. This design uses silica gel with high thermal conductivity for welding, which further increases the heat dissipation effect during use

The light emitting module includes: a heat conduction plate 5 and at least one LED unit 4 , the heat conduction plate 5 is disposed on the base 11 of the radiator substrate 6 , and the LED unit 4 is disposed on the heat conduction plate 5 . The fixing base 10 is a hollow shell, and its inner wall is symmetrically provided with a pair of slots 15. The two sides of the circuit board 8 are fixed in the slots 15, and the circuit board 8 is located below the base plate 6. On the base plate 6 Two through holes are opened on the circuit board 8 , and two lead wires 9 are arranged on the circuit board 8 . The circuit board 8 is provided with two pins, and the pins go out of the fixing seat 10 to connect with an external power supply, and are used to supply power to the LED lamps.

A circle of lens fixing seats 3 is arranged in the accommodating space 19 , and the lens fixing seats 3 are arranged on the outer periphery of the lens 2 to fix the lens 2 , and the lens 2 is located above the LED unit 4 . The protection ring 1 of the present invention is arranged above the cooling fins 7 , and the bottom of the inner wall of the protection ring 1 is provided with a plurality of grooves 17 , and the tops of the cooling fins 7 are respectively inserted into the corresponding grooves 17 . In order to better fix the heat dissipation fins 7 so that the heat dissipation fins 7 are better protected, a number of buckles 18 are extended inwardly on the inner wall of the heat dissipation fins 7, and each buckle 18 corresponds to a groove 17. A buckle hole is provided at a corresponding position on the top of each heat dissipation fin 7 , and the buckle hole of the heat dissipation fin 7 inserted into the groove 17 is matched with the buckle 18 to be fixed.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. the led lamp with better heat dissipation effect comprises radiator, light emitting module, holder, lens, it is characterized in that:

Described radiator comprises at least one substrate spare and some radiating fins, described substrate spare comprises a base portion and a plurality of adjutages that extend from this base portion, each adjutage and adjacent with this adjutage have slot between two adjutages in addition, insert in the corresponding slot of substrate spare at the radiating fin middle part, the radiating fin of substrate spare and substrate spare top partly encloses and forms an accommodation space, the bottom of radiating fin by silica stationary on the holder outer surface;

Described light emitting module comprises: a heat-conducting plate and at least one LED unit, and described heat-conducting plate is arranged on the base portion of radiator, and described LED unit is arranged on the heat-conducting plate;

Described circuit board is placed in the holder, and is positioned at the below of substrate spare, and circuit board is electrically connected with the LED unit by lead, and described circuit board is provided with two pins, and described pin passes outside the holder and is connected with external power source;

Described lens are placed in the accommodation space, and are positioned at the top of described LED unit.

2. a kind of led lamp with better heat dissipation effect according to claim 1 is characterized in that: described silica gel adopts the silica gel of high thermal conductivity coefficient.

3. a kind of led lamp with better heat dissipation effect according to claim 2 is characterized in that: be provided with a circle lens holder in accommodation space, described lens holder is arranged on the periphery of lens lens is fixed.

4. a kind of led lamp with better heat dissipation effect according to claim 3 is characterized in that: described holder is a hollow housing, is arranged with a pair of draw-in groove on its inwall, and the both sides of circuit board are placed in the draw-in groove fixing.

5. a kind of led lamp according to claim 4 with better heat dissipation effect, it is characterized in that: the periphery of described holder outer wall is provided with the recessed draw-in groove of a circle, the bottom outside of each radiating fin is provided with breach, and the breach card of described radiating fin is established and is fixed in the recessed draw-in groove.

6. a kind of led lamp according to claim 5 with better heat dissipation effect, it is characterized in that: described substrate spare offers two through holes, circuit board is provided with two lead-in wires, and two through holes that described two lead-in wires pass substrate spare are connected with the LED unit.

7. a kind of led lamp with better heat dissipation effect according to claim 1 is characterized in that: also comprise protection ring, the inwall bottom of described protection ring is provided with a plurality of grooves, and the top of described radiating fin is inserted in the corresponding groove respectively.

8. a kind of led lamp according to claim 7 with better heat dissipation effect; it is characterized in that: the inwall at protection ring extends some buckles to the inside; the corresponding groove of each buckle; the top correspondence position of each radiating fin is provided with block button hole, and described buckle matches fixing with the block button hole of the radiating fin that inserts the protection ring groove.

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