CN201133639Y - Lighting device with heat radiation structure - Google Patents

Abstract

A lighting device with a heat dissipation structure comprises a light-emitting diode lamp, a heat dissipation fin group and a heat dissipation fan, wherein the heat dissipation fin group is provided with a plurality of heat dissipation fins and is fixed on the light-emitting diode lamp; by means of the design, heat generated by the light-emitting diode lamp during light emitting can be conducted to the radiating fin group, and the radiating fin group is provided with a plurality of radiating fins, so that the radiating area is sufficient, and a better radiating effect is achieved. And the heat radiation effect is further improved by the heat convection effect of the heat radiation fan. Therefore, the damage of the LED lamp caused by overheating can be avoided.

Description

Lighting device with heat dissipation structure

technical field

The utility model relates to a lighting device, in particular to a light-emitting diode lighting device with a heat dissipation structure.

Background technique

With the improvement of lighting technology, semiconductor light-emitting devices with advantages of high brightness, long life and energy saving have gradually replaced traditional light-emitting devices, and such semiconductor light-emitting devices are usually composed of a number of light-emitting diode bulbs. Since the wick of the LED light bulb generally cannot withstand a temperature exceeding 120 degrees Celsius, once the temperature exceeds this temperature, the LED light bulb will be damaged. In order to avoid damage to the LED light bulb, the heat dissipation structure of the semiconductor light emitting device is very important.

The known heat dissipation structure of lamps has a heat dissipation housing. When in use, the light emitting device provided with several LED bulbs is closely attached to the inner surface of the heat dissipation housing. When the LED bulbs emit light, the LED bulbs produce The heat will be conducted to the heat dissipation shell, and the effect of heat dissipation can be achieved through the heat dissipation shell.

However, the known heat dissipation structure still has disadvantages, because the heat dissipation shells are all cast aluminum, so the weight is relatively heavy, and the heat dissipation shell is only a single-layer shell with a limited heat dissipation area, resulting in insufficient heat dissipation.

Therefore, the designer of the utility model feels that the above-mentioned defects can be improved, and Naite devoted himself to research and combined with the application of theories, and finally proposed a utility model with reasonable design and effective improvement of the above-mentioned defects.

Utility model content

In view of the above problems, the main purpose of the present invention is to provide a lighting device with a heat dissipation structure, which has better heat dissipation capability, so as to avoid damage to the lighting device due to overheating.

In order to achieve the above object, the utility model provides a lighting device with a heat dissipation structure, comprising: a light-emitting diode lamp; a heat dissipation fin group, the heat dissipation fin group has a plurality of heat dissipation fins, and the heat dissipation fin group is fixed The LED lamp; and a heat dissipation fan, the heat dissipation fan is fixed on the heat dissipation fin set, and the heat dissipation fin set is arranged between the LED light fixture and the heat dissipation fan.

The utility model has the following beneficial effects: the heat generated by the light-emitting diode lamp can be transmitted to the heat dissipation fin group, and since the heat dissipation fin group has a plurality of heat dissipation fins, the heat dissipation area is sufficient and has a better heat dissipation effect . Moreover, it is equipped with a cooling fan, through the effect of thermal convection, the cooling effect is further improved. In this way, damage to the LED lamps due to overheating can be avoided.

Description of drawings

Fig. 1 is a three-dimensional assembly diagram (1) of the lighting device with heat dissipation structure of the present invention.

Fig. 2 is a three-dimensional assembled view (2) of the illuminating device with heat dissipation structure of the present invention.

Fig. 3 is a three-dimensional exploded view (1) of the illuminating device with heat dissipation structure of the present invention.

Fig. 4 is a three-dimensional exploded view (2) of the illuminating device with heat dissipation structure of the present invention.

Fig. 5 is a three-dimensional exploded view (3) of the illuminating device with heat dissipation structure of the present invention.

[Description of reference signs of main components]

LED lamps 1

circuit board 11

inner ring body 12

First outer ring body 13

Elastic switch 131

Second outer ring body 14

LED Bulb 15

Gasket 16

piercing 161

Fixing ring 17

Heat sink fin set 2

Heat sink fins 21

The first buckle part 22

cooling fan 3

Second buckle part 31

Detailed ways

As shown in Figures 1 and 2, the utility model provides a lighting device with a heat dissipation structure, which includes a light-emitting diode lamp 1, a heat dissipation fin set 2 and a heat dissipation fan 3, and the heat dissipation fin set 2 has a plurality of Radiating fins 21 arranged at intervals, the cooling fin group 2 is fixed on the LED lamp 1, the cooling fan 3 is fixed on the cooling fin group 2, and the cooling fin group 2 is arranged on the LED lamp 1 and Between the cooling fan 3, the LED lamp 1 and the cooling fan 3 are electrically connected to an external power source (not shown).

As shown in Figures 3 to 5, the LED lamp 1 includes a circuit board 11, an inner ring body 12, a first outer ring body 13, a second outer ring body 14, a plurality of LED bulbs 15, a Spacer 16 and a fixing ring 17, the circuit board 11 is fixed on one end of the inner ring body 12, and the light emitting diode bulbs 15 are welded to one end surface of the circuit board 11 at intervals and are electrically connected to the circuit board 11 , the circuit board 11 is electrically connected to an external power source (not shown in the figure), and the external power source supplies power to the LED bulbs 15 through the circuit board 11 . The inner ring body 12 is locked inside the first outer ring body 13 , and the second outer ring body 14 is fixed outside the first outer ring body 13 . The spacer 16 defines a plurality of through holes 161 corresponding to the LED bulbs 15 , and the peripheries of the LED bulbs 15 are respectively connected to the walls of the through holes 161 . The bottom surface of the fixed ring 17 has a recessed portion (not shown), and one end of the inner ring body 12 has an engaging portion (not shown) engaged with the recessed portion, and the fixed ring 17 is engaged with the inner ring body 12 , and the fixing ring 17 surrounds the gasket 16 .

As shown in Figures 3 to 5, the heat dissipation fin set 2 is screwed and fixed on the other opposite end surface of the circuit board 11, and the heat dissipation fin set 2 and the heat dissipation fan 3 are respectively provided with a first buckle part 22 and The second buckle part 31, the first buckle part 22 and the second buckle part 31 are mutually buckled, so that the heat dissipation fan 3 is fixed on the heat dissipation fin set 2, and the heat dissipation fin set 2 is arranged on the heat dissipation fin set 2 Between the circuit board 11 of the LED lamp 1 and the cooling fan 3 .

The LED lamp 1 is usually connected with a detachable protective cover (not shown), and the cooling fin set 2 and the cooling fan 3 are enclosed in the protective cover. After the user disassembles the protective cover, the dust accumulated on the heat dissipation fin set 2 can be cleaned, so as to prevent the excessive accumulation of dust from affecting the heat dissipation effect of the heat dissipation fin set 2 . In this embodiment, an elastic switch 131 is pivotally arranged on opposite sides of the first outer ring body 13 of the LED lamp 1, and the protective cover can be removed from the LED lamp 1 by pulling the elastic switch 131. .

The utility model has a lighting device with a heat dissipation structure, and the light-emitting diode bulb 15 welded on the circuit board 11, the heat energy generated when it emits light will be transmitted to the heat dissipation fin group 2, because the heat dissipation fin group 2 has a plurality of heat dissipation fins 21, so the heat dissipation area is sufficient and has better heat dissipation effect. Moreover, it is equipped with the heat dissipation fan 3, through the effect of heat convection, the heat dissipation effect is further improved. In this way, damage to the LED bulb 15 due to overheating can be avoided.

The above is only a preferred embodiment of the utility model, and is not used to limit the scope of rights of the utility model, that is, all equal changes and modifications made according to the claims of the utility model are all within the patent scope of the utility model scope.

Claims (4)

1, a kind of lighting device with radiator structure is characterized in that, comprising:

One led lamp;

One radiating fin group, this radiating fin group has a plurality of radiating fins, and this radiating fin group is fixed in this led lamp; And

One radiator fan, this radiator fan are fixed in this radiating fin group, and this radiating fin is mounted between this led lamp and this radiator fan.

2, the lighting device with radiator structure as claimed in claim 1, it is characterized in that, this led lamp comprises a circuit board, an inner ring body, one first outer ring body, one second outer ring body and a plurality of light emitting diode bulb, those light emitting diode bulb compartment of terrains are welded in this circuit board, this circuit board is fixed in and this inner ring body, this inner ring body is fixed in the inside of this first outer ring body, and this second outer ring body is fixed in the outside of this first outer ring body.

3, the lighting device with radiator structure as claimed in claim 2, it is characterized in that, more comprise a pad and a retainer ring, this pad offers a plurality of and the corresponding perforation of those light emitting diode bulbs, the periphery of those light emitting diode bulbs is connected with the wall of those perforation respectively, this retainer ring is fixed in this inner ring body, and this retainer ring is surrounded on the outside of this pad.

4, the lighting device with radiator structure as claimed in claim 1 is characterized in that, this radiating fin group and radiator fan are respectively equipped with first clamping part and second clamping part, this first clamping part and the mutual buckle of this second clamping part.

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