CN203571654U

CN203571654U - LED (light emitting diode) bulb lamp

Info

Publication number: CN203571654U
Application number: CN201320805237.8U
Authority: CN
Inventors: 仇富军
Original assignee: NINGBO TONGTAI ELECTRICAL CO Ltd
Current assignee: NINGBO TONGTAI ELECTRICAL CO Ltd
Priority date: 2013-12-10
Filing date: 2013-12-10
Publication date: 2014-04-30
Anticipated expiration: 2023-12-10

Abstract

The utility model discloses an LED (light emitting diode) bulb lamp used for indoor and outdoor illumination. The LED bulb lamp comprises an LED lamp board assembly, an insulation base and a heat radiator, wherein the insulation base comprises a tubular accommodating cavity and an outer wall, the tubular accommodating cavity is used for installing a power supply assembly, the bottom of the outer wall is connected with the outer surface of the tubular accommodating cavity, the outer wall is positioned at the circumferential ring of the tubular accommodating cavity, a connecting part of the outer wall and the tubular accommodating cavity is provided with an air inlet, the heat radiator comprises a middle disc and heat radiation rib plates, the heat radiation rib plates are annularly distributed on one side surface of the middle disc at intervals, step surfaces are formed at the outer edges of the heat radiation rib plates, the heat radiation rib plates are inserted between the tubular accommodating cavity and the outer wall, in addition, the step surfaces of the outer edges of the heat radiation rib plates are in blocking connection onto the opening edges of the outer wall. The LED bulb lamp has the advantages that the technical problem is solved to realize high use safety of the LED bulb lamp, and the use safety performance of the LED bulb lamp is directly improved on the premise of ensuring the heat radiation effect.

Description

LED bulb lamp

Technical field

The utility model relates to a kind of LED bulb lamp of using for indoor and outdoor lighting.

Background technology

LED lamp is as the novel energy-conserving lighting source of 21st century, has higher photoluminescence efficiency, life-span length, low radiation, low-voltage, volume is little, toggle speed is fast, safety, environmental protection, antidetonation resistance to compression, the feature such as easy to control are generally used by people.The kind of LED light fixture is a lot, comprises LED bulb lamp, LED tube lamp, LED Solar lamp etc., wherein extensive with the use of LED bulb lamp.

The LED lamp plate that the luminous component of LED bulb lamp is comprised of multiple LED light emitting diodes, during due to each LED light emitting diode work, all can produce heat, therefore the above-mentioned LED lamp plate that combines multiple LED light emitting diodes can produce very large heat at work, drain not in time heat, will have a strong impact on causing the service life of LED lamp plate, this is also to affect the LED lamp principal element in service life.

In order to address this problem, LED bulb lamp is all equipped with radiator mostly, and LED lamp plate is directly fixed on radiator, and this has solved the heat dissipation problem of LED bulb lamp to a certain extent.Current existing LED bulb lamp all adopts the radiator of external, and radiator directly contacts with extraneous air, and the mode of the logical heat transfer of heat on radiator rejects heat in air.The LED bulb lamp of said structure design is due in order to make the heat on LED lamp plate to be delivered to fast on radiator, the metal material that thermal conductivity factor is high is all selected in the selection of general radiator, such as aluminium alloy or magnesium alloy etc., if so the radiator of metal alloy material is directly exposed, just easily cause Electrical Safety problem.

Utility model content

The purpose of this utility model is in order to solve above-mentioned the deficiencies in the prior art, to provide a kind of to guarantee, under the prerequisite of radiating effect, directly to promote the LED bulb lamp of safety in utilization.

To achieve these goals, the LED bulb lamp that the utility model is designed, comprise LED lamp plate assembly, insulator foot and radiator, described insulator foot comprises that one is connected with tubular container cavity outer surface for tubular container cavity and bottom that power supply module is installed, and be positioned at the outer wall of this tubular container cavity border, junction at above-mentioned outer wall and tubular container cavity offers air inlet, described radiator comprises the heat radiation gusset that telophragma and gap are periphery on telophragma one side, the outer of described heat radiation gusset forms step surface, heat radiation gusset is inserted between above-mentioned tubular container cavity and its outer wall, and the step surface gear of heat radiation gusset outer is connected in the opening's edge of outer wall, LED lamp plate assembly is fixed on the another side of telophragma.

In order to promote the lighting angle of this LED bulb lamp, can realize the wide-angle illumination similar with incandescent lamp, described LED lamp plate assembly comprises and is the aluminium base of many flaps and is connected to the dual-side LED lamp bar on each lobe of this aluminium base, one side of described telophragma is provided with LED lamp plate erecting bed, and above-mentioned aluminium base is fixed on this LED lamp plate erecting bed.

The utility model obtains radiator in LED ball bulb lamp structure and comprises the heat radiation gusset that telophragma and gap are periphery on telophragma one side, above-mentioned heat radiation gusset is inserted between the tubular container cavity and outer wall of insulator foot, then the step surface gear of gusset outer of dispelling the heat is connected in the opening's edge of outer wall, therefore above-mentioned radiator only has part to be exposed at outside insulator foot, with respect to the design of external radiator in existing LED bulb lamp, the usage safety performance of the LED bulb lamp of said structure design is higher undoubtedly, contribute to a certain extent to reduce people's daily electricity consumption potential safety hazard, between the exposed parts of every adjacent two heat radiation gussets, form the air outlet for the circulation of insulator foot inner air and outer air simultaneously, therefore in the work of this LED bulb lamp when the heat of LED lamp plate is delivered on radiator, can make the air themperature in insulator foot increase rapidly, atmospheric density declines, thereby make the inside and outside air of insulator foot form cold and hot convection current, be that hot-air in insulator foot is discharged from above-mentioned air outlet, cold air outside insulator foot enters in insulator foot from the air inlet circulation of the junction of affiliated outer wall and tubular container cavity, thereby realize effectively loose removing of the heat on radiator.

Accompanying drawing explanation

Fig. 1 is the blast structural representation of the embodiment 1 LED bulb lamp that provides;

Fig. 2 is the general assembly structural representation of the embodiment 1 LED bulb lamp that provides;

Fig. 3 is the structural representation of embodiment 1 insulator foot in LED bulb lamp that provides;

Fig. 4 is the structural representation of embodiment 1 radiator in LED bulb lamp that provides;

Fig. 5 is longitudinal full sectional view that Fig. 2 provides LED bulb lamp;

Fig. 6 is the schematic diagram that embodiment 1 provides the inside and outside cold-hot air convection circulation of insulator foot in LED bulb lamp;

The blast structural representation of Fig. 7 embodiment 2 LED bulb lamp that provides;

Fig. 8 is the embodiment 2 LED bulb lamp general assembly longitudinal sectional view that provides;

Fig. 9 is the structural representation of embodiment 3 radiator in LED bulb lamp that provides;

Figure 10 is the embodiment 3 LED bulb lamp general assembly longitudinal sectional view that provides.

In figure: lamp holder 1, power supply module 2, insulator foot 3, outer wall 3-1, tubular container cavity 3-2, air inlet 3-3, port 3-4, opening's edge 3-5, radiator 4, telophragma 4-1, heat radiation gusset 4-2, LED lamp plate erecting bed 4-3, outer 4-4, step surface 4-5, LED lamp plate assembly 5, aluminium base 5-1, dual-side LED lamp bar 5-2, lampshade 6, air outlet 7.

The specific embodiment

Below in conjunction with drawings and Examples, the utility model is further illustrated.

Embodiment 1:

As Figure 1-5, the LED bulb lamp that the present embodiment provides, comprise lampshade 6, LED lamp plate assembly 5, insulator foot 3, radiator 4, power supply module 2 and lamp holder 1, described insulator foot 3 comprises that one is connected with tubular container cavity 3-2 outer surface for tubular container cavity 3-2 and bottom that power supply module 2 is installed, and be positioned at the outer wall 3-1 of this tubular container cavity 3-2 border, junction at above-mentioned outer wall 3-1 and tubular container cavity 3-2 offers air inlet 3-3, power supply module 2 is positioned at above-mentioned tubular container cavity 3-2, lamp holder 1 is socketed on the port 3-4 position of above-mentioned tubular container cavity 3-2, described radiator 4 comprises the heat radiation gusset 4-2 that telophragma 4-1 and gap are periphery on telophragma 4-1 mono-side, the outer 4-4 of described heat radiation gusset 4-2 forms step surface 4-5, heat radiation gusset 4-2 is inserted between above-mentioned tubular container cavity 3-2 and its outer wall 3-1, and the step surface 4-5 gear of heat radiation gusset 4-2 outer 4-4 is connected on the opening's edge 3-5 of outer wall 3-1, LED lamp plate assembly 5 is fixed on the another side of telophragma 4-1, the telophragma 4-1 that lampshade 6 is anchored to radiator 4 above covers LED lamp plate assembly 5.

As shown in Figure 6, the LED bulb lamp that the present embodiment provides is in concrete use, the heat that LED lamp plate assembly 5 produces is delivered on radiator 4, the temperature rise of the interior heat radiation gusset of insulator foot 3 4-2 ambient air, density are declined, thereby the air of this part higher temperature is being complied with the convection channel that the gaps between two heat radiation gusset 4-2 form and is being got rid of from the air outlet 7 of top.Meanwhile, the cold air outside insulator foot 3 enters insulator foot 3 from the air inlet 3-3 of outer wall 3-1 and tubular container cavity 3-2 junction again, forms successively cold-hot air convection circulation, makes the heat on radiator 4 to fall apart and to remove as soon as possible.

Embodiment 2:

The LED bulb lamp that the present embodiment provides, its general structure is consistent with embodiment 1, but in order to promote the lighting angle of this LED bulb lamp, can realize the wide-angle illumination similar with incandescent lamp, as shown in Figure 7 and Figure 8, described LED lamp plate assembly 5 comprises and is the aluminium base 5-1 of many flaps and is connected to the dual-side LED lamp bar 5-2 on each lobe of this aluminium base 5-1, and above-mentioned aluminium base 5-1 is fixed on a side of telophragma 4-1.

Embodiment 3:

The LED bulb lamp that the present embodiment provides, its general structure is consistent with embodiment 2, but in order to reduce the illumination effect of radiator 4 to LED lamp plate assembly 5, further promote the lighting effect of this LED bulb lamp, as shown in Figure 9 and Figure 10, a side of described telophragma 4-1 is provided with LED lamp plate erecting bed 4-3, and the aluminium base 5-1 of described LED lamp plate assembly 5 is fixed on above-mentioned LED lamp plate erecting bed 4-3.

Claims

1. a LED bulb lamp, comprise LED lamp plate assembly (5), insulator foot (3) and radiator (4), it is characterized in that: described insulator foot (3) comprises that one is connected with tubular container cavity (3-2) outer surface for tubular container cavity (3-2) and bottom that power supply module (2) is installed, and be positioned at the outer wall (3-1) of this tubular container cavity (3-2) border, in above-mentioned outer wall (3-1) and the junction of tubular container cavity (3-2), offer air inlet (3-3), described radiator (4) comprises the heat radiation gusset (4-2) that telophragma (4-1) and gap are periphery on telophragma (4-1) side, the outer (4-4) of described heat radiation gusset (4-2) forms step surface (4-5), heat radiation gusset (4-2) is inserted between above-mentioned tubular container cavity (3-2) and its outer wall (3-1), and the step surface (4-5) of heat radiation gusset (4-2) outer (4-4) gear is connected in the opening's edge (3-5) of outer wall (3-1), LED lamp plate assembly (5) is fixed on the another side of telophragma (4-1).

2. LED bulb lamp according to claim 1, it is characterized in that: described LED lamp plate assembly (5) comprises and be the aluminium base (5-1) of many flaps and be connected to the dual-side LED lamp bar (5-2) on each lobe of this aluminium base (5-1), above-mentioned aluminium base (5-1) is fixed on a side of telophragma (4-1).

3. LED bulb lamp according to claim 2, it is characterized in that: a side of described telophragma (4-1) is provided with LED lamp plate erecting bed (4-3), the aluminium base (5-1) of described LED lamp plate assembly (5) is fixed on above-mentioned LED lamp plate erecting bed (4-3).