CN203533232U - External radiator, internal radiator and LED bulb lamp - Google Patents
External radiator, internal radiator and LED bulb lamp Download PDFInfo
- Publication number
- CN203533232U CN203533232U CN201320181608.XU CN201320181608U CN203533232U CN 203533232 U CN203533232 U CN 203533232U CN 201320181608 U CN201320181608 U CN 201320181608U CN 203533232 U CN203533232 U CN 203533232U
- Authority
- CN
- China
- Prior art keywords
- radiator
- led bulb
- fin
- lamp holder
- bulb lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses a LED bulb lamp which belongs to the technical field of lighting. The LED bulb lamp in the utility model comprises a light source part, a heat absorption part, a heat dissipation part, a lamp base part and a power source part, wherein the light source part is installed on the heat absorption part, the heat absorption part is connected to the heat dissipation part, the heat dissipation part is connected to the lamp base part, and the power source part is installed in the heat dissipation part; and is characterized in that the heat dissipation part comprises an external radiator (5) and an internal radiator (4) which have the same spindle with a center of gyration of the LED bulb lamp. In comparison with the prior art, the LED bulb lamp in the utility has the following advantages that the radiators of the bulb lamp have good heat dissipation performance and can ensure that heat generated by a DC power source can be effectively emitted out and no dust can enter the radiators during use of the bulb lamp.
Description
Technical field
The invention belongs to lighting technical field, more particularly, belong to a kind of LED bulb lamp.
background technology
The LED bulb lamp of prior art comprises the Lights section, heat absorbing part, radiator portion, lamp holder, power unit; Described the Lights section is arranged on described heat absorbing part, and described heat absorbing part is connected with described radiator portion, and described radiator portion is connected with described lamp holder, and described power unit is arranged in described radiator portion.
The Lights section is LED light-emitting component and light source board, and LED light-emitting component is arranged on light source board, and power unit is dc source; Light source board is arranged on heat absorption base plate, and heat absorption base plate is connected with one end of outer radiator, and screwed union is connected with the other end of radiator; Heat absorbing part for heat absorption base plate, heat absorbing part passes to radiator from the Lights section absorbs heat after, radiator by from heat absorbing part dissipation of heat in air.Wherein one end of radiator and screwed union are fastenedly connected, and the other end of radiator is connected with heat absorption base plate; Dc source is arranged in the inner core of radiator, between dc source and the inner core of radiator, has heat conductive silica gel.
LED light-emitting component is mounted on light source board, and light source board is connected on heat absorption base plate, and lampshade can be to be buckled on the edge of heat absorption base plate, and lampshade plays a protective role to LED light-emitting component and has the beauty function identical with ordinary incandescent lamp.
Radiator generally uses aluminum alloy materials to be made, and the shape of radiator is cone shape, and the centre of radiator is hollow cylinder supporter, and dc source is arranged in the middle of the hollow cylinder supporter of radiator; The periphery of the hollow cylinder supporter of radiator is provided with fin, and fin is outwards divergent shape centered by the center of circle of hollow cylinder supporter.
Screwed union comprises body and spiral link electrode two parts; On screwed union, have two electrodes that are connected with AC power, these two electrode handles are given dc source from extraneous next alternating current; The body of screwed union is to be made by non-conductive plastic material; Between screwed union and outer radiator, can adopt screw to be connected, between screwed union and outer radiator, also can adopt cold extrusion mode to link together.
Because the fin of LED bulb lamp heat radiator in prior art is in naked state, in the use procedure of LED bulb lamp, the bottom of its radiator often has a large amount of dusts.Because dc source is arranged in the hollow cylinder of radiator, in the LED bulb lamp course of work, its dc source produces a large amount of heats and cannot effectively distribute, this can have a significant impact the LED bulb lamp life-span, and the heat dissipation problem that how effectively to solve LED bulb lamp dc source is a large technical barrier of restriction the art always.
summary of the invention
The present invention, in order to solve above technical problem, has provided a kind of LED bulb lamp.
A kind of outer radiator for LED bulb lamp of the present invention, is characterized in that: described outer radiator comprises hollow rotary support and is evenly distributed on the outer fin in described hollow rotary support; All outer fin in described outer radiator be take the centre of gyration of hollow rotary support and is on the supporter inner surface that divergent shape is distributed in hollow rotary support as the center of circle; All outer fin in described outer radiator be take the gyroaxis of hollow rotary support and is that axis forms cylindrical cavity; All outer fin in described outer radiator has certain space each other.
According to the above-described outer radiator for LED bulb lamp, preferably: on described outer radiator, the outer heat sink end face of all outer fin is all in a plane.
According to the above-described outer radiator for LED bulb lamp, preferably: described hollow rotary support be shaped as hyperbola revolving body.
According to the above-described outer radiator for LED bulb lamp, preferably: have the installing hole parallel with the centre of gyration of hollow rotary support on any three uniform outer fin in described outer radiator.
According to the above-described outer radiator for LED bulb lamp, preferably: on described outer radiator, the outer fin lamp holder end face of all outer fin is all in the inner side of hollow rotary support lamp holder port.
According to the above-described outer radiator for LED bulb lamp, preferably: on described outer radiator, the outer heat sink end face of all outer fin is all in the inner side of hollow rotary support heat transfer port.
According to the above-described outer radiator for LED bulb lamp, preferably: described inner radiator comprises hollow cylinder supporter and is evenly distributed on the interior fin on described hollow cylinder supporter; All interior fin on described inner radiator be take the centre of gyration of hollow cylinder supporter and is on the inner supporting body outer surface that divergent shape is distributed in hollow cylinder supporter as the center of circle.
According to the above-described outer radiator for LED bulb lamp, preferably: the radius of described hollow cylinder supporter is less than according to the radius of cylindrical cavity in above-described outer radiator.
A kind of inner radiator for LED bulb lamp of the present invention, preferably: in described inner radiator, the position of all interior fin lamp holder end faces is higher than the position of the inner supporting body lamp holder end face of hollow cylinder supporter.
According to the above-described inner radiator for LED bulb lamp, preferably: in described inner radiator, the inner supporting body of all interior heat sink end faces and hollow cylinder supporter heat absorption end face is in same plane.
A kind of lamp holder for LED bulb lamp of the present invention, is characterized in that: described lamp holder comprises ventilation part, dustproof portion, connecting portion, screwed union; Between described ventilation part and dustproof portion, by connecting portion, link together, between described ventilation part and dustproof portion, have an annular groove; The part corresponding with the annular groove ventilating opening that distributing in described ventilation part.
According to the above-described lamp holder for LED bulb lamp, preferably: have one for settling the endoporus of power line in the ventilation part of described lamp holder, dustproof portion and connecting portion.
A kind of LED bulb lamp that uses above-described outer radiator, inner radiator and lamp holder of the present invention, it is characterized in that: the hollow rotary support lamp holder port of described outer radiator is connected with described lamp holder, the hollow cylinder supporter lamp holder port of described inner radiator is connected with described lamp holder, and the hollow rotary support heat transfer port of described outer radiator is connected with the heat transfer base plate that light source board is installed; Described inner radiator is arranged on the inside of described outer radiator, and the outer fin in described outer radiator and the interior fin of described inner radiator are crisscross arranged each other.
According to above-described LED bulb lamp, preferably: in described inner radiator, the interior heat sink end face of all interior fin and the inner supporting body of hollow cylinder supporter heat absorption end face all do not contact with the heat-transfer area of heat transfer base plate.
According to above-described LED bulb lamp, preferably: have gap between all outer fin on the hollow rotary support heat transfer port of described heat transfer base plate and described outer radiator and outer radiator.
According to above-described LED bulb lamp, preferably: in described outer radiator, the interior fin lamp holder end face of the outer fin lamp holder end face of all outer fin and all interior fin does not all stop up the ventilating opening of lamp holder.
According to above-described LED bulb lamp, preferably: there is the airspace being formed by described outer radiator and described inner radiator in described LED bulb lamp.
According to above-described LED bulb lamp, preferably: dc source (10) is installed in the hollow cylinder supporter (402) of described inner radiator (4).
The present invention compared with prior art tool has the following advantages: the perfect heat-dissipating of bulb lamp heat radiator, can guarantee that the heat that dc source produces effectively distributes, not have dust in bulb lamp use procedure and enter into radiator.
accompanying drawing explanation
Accompanying drawing 1 is the Split type structure schematic diagram of the outer radiator of LED bulb lamp of the present invention;
Accompanying drawing 3 is structural representations of LED bulb lamp lampshade of the present invention;
Accompanying drawing 4A is the structural representation one of LED bulb lamp light source board of the present invention;
Accompanying drawing 4B is the structural representation two of LED bulb lamp light source board of the present invention;
Accompanying drawing 5A is the structural representation one of LED bulb lamp heat transfer base plate of the present invention;
Accompanying drawing 5B is the structural representation two of LED bulb lamp heat transfer base plate of the present invention;
Accompanying drawing 6A is the structural representation one of LED bulb lamp inner radiator of the present invention;
Accompanying drawing 6B is the structural representation two of LED bulb lamp inner radiator of the present invention;
Accompanying drawing 6C is the structural representation three of LED bulb lamp inner radiator of the present invention;
Accompanying drawing 7A is the structural representation one of the outer radiator of LED bulb lamp of the present invention;
Accompanying drawing 7B is the structural representation two of the outer radiator of LED bulb lamp of the present invention;
Accompanying drawing 7C is the structural representation three of the outer radiator of LED bulb lamp of the present invention;
Accompanying drawing 8A is the structural representation one of LED bulb lamp lamp holder of the present invention;
Accompanying drawing 8B is the structural representation two of LED bulb lamp lamp holder of the present invention;
Accompanying drawing 8C is the structural representation three of LED bulb lamp lamp holder of the present invention;
Accompanying drawing 8D is the structural representation four of LED bulb lamp lamp holder of the present invention;
Accompanying drawing 8E is the structural representation five of LED bulb lamp lamp holder of the present invention.
The specific embodiment
A kind of preferred embodiment 1
Fig. 7 A is the structural representation one of the outer radiator of LED bulb lamp of the present invention; Fig. 7 B is the structural representation two of the outer radiator of LED bulb lamp of the present invention; Fig. 7 C is the structural representation three of the outer radiator of LED bulb lamp of the present invention.By these figure, demonstrate outer radiator 5 of the present invention and comprise hollow rotary support 501 and be evenly distributed on the outer fin 502 on supporter inner surface 5012, the quantity of the outer fin 502 on supporter inner surface 5012 is 20.All outer fin 502 in outer radiator 5 be take the centre of gyration of hollow rotary support 501 and is on the supporter inner surface 5012 that divergent shape is distributed in hollow rotary support 501 as the center of circle; All outer fin 502 in outer radiator 5 be take the gyroaxis of hollow rotary support 501 and is that axis forms cylindrical cavity 504; All outer fin 502 in outer radiator 5 has certain space each other.
Hollow rotary support 501 mainly contains the lamp holder port of supporter outer surface 5011, supporter inner surface 5012, hollow rotary support 501, the heat transfer port of hollow rotary support 501; The hollow rotary support 501 of radiator 5 can be hyperbola or truncated cone-shaped; The lamp holder port of hollow rotary support 501, the heat transfer port of hollow rotary support 501 are respectively upper bottom surface port and the bottom surface port of hollow rotary support 501, and the upper bottom surface port of hollow rotary support 501 and bottom surface port are penetrating mouthful.The concrete shape of hollow rotary support 501 has certain influence to the heat dispersion of light fixture, and outer radiator 5 in use, the radiating effect of the hyperbola of hollow rotary support 501 or requirement that truncated cone-shaped can meet Air Flow, outer radiator 5 is relatively good.Outer radiator 5 is installed to after LED bulb lamp of the present invention, the area of dissipation of supporter outer surface 5011 and supporter inner surface 5012 is all larger, supporter outer surface 5011 can directly be dispersed into the heat in outer radiator 5 in atmosphere, supporter inner surface 5012 can be the dissipation of heat in outer radiator 5 in the non-tight cavity of LED bulb lamp, and the heat in LED bulb lamp non-tight cavity can be dispersed in atmosphere by the ventilating opening 6061 on lamp holder 6.
Each outer fin 502 on outer radiator 5 is connected with supporter inner surface 5012, and all outer fin 502 all have outer heat sink end face 5021, outer fin heat radiation end face 5022, outer fin cavity end face 5023, outer fin lamp holder end face 5024; Outer radiator 5 is installed to after LED bulb lamp of the present invention, the area of dissipation of two outer fin heat radiation end faces 5022 of outer fin 502 is maximum, and the area of dissipation of outer heat sink end face 5021, outer fin cavity end face 5023, outer fin lamp holder end face 5024 is relatively little.All outer fin 502 all can be the dissipation of heat in outer radiator 5 in the non-tight cavity of LED bulb lamp, and in the non-tight cavity of LED bulb lamp, heat is finally dispersed in atmosphere by the ventilating opening 6061 of lamp holder 6.
On outer radiator 5, the outer heat sink end face 5021 of all outer fin 502 is all in a plane, and the plane that the outer heat sink end face 5021 of all outer fin 502 forms is used for installing heat transfer base plate 3; The bottom surface of the plane that the outer heat sink end face 5021 of all outer fin 502 forms for heat transfer base plate 3 is installed.
On outer radiator 5, on uniform three outer fin 502, have installing hole 503, these three installing holes 503 can be mounted in blind hole on the outer fin cavity end face 5023 of three outer fin 502 in outer radiator 5, installing hole 503 screw thread; Light source board 2, heat transfer base plate 3 and outer radiator 5 are coaxial installation; The heat transfer base plate installing hole 301 of the light source board installing hole 201 on light source board 2, heat transfer base plate 3 and the installing hole 503 on outer radiator 5 be for position is consistent, can with three screws 7 by light source board 2 and heat transfer base plate 3 be fixed on outer radiator 5, three screws 7 are fastened in three installing holes 503.
Between the outer heat sink end face 5021 of the bottom surface of heat transfer base plate 3 and all outer fin 502, can scribble heat conductive silica gel, the heat conductive silica gel base plate 3 that can guarantee to conduct heat and there is good heat-transfer effect with all outer fin 502; Between light source board 2 and heat transfer base plate 3, also can scribble heat conductive silica gel, heat conductive silica gel can guarantee that light source board 2 and heat transfer base plate 3 have good heat-transfer effect.
On outer radiator 5, the outer fin lamp holder end face 5024 of all outer fin 502 can be also all in a plane, and it is the center of circle that all outer fin 502 on outer radiator 5 sections be take the centre of gyration point of hollow rotary support 501.The outer fin lamp holder end face 5024 of all outer fin 502 does not all stop up the ventilating opening 6061 of lamp holder 6 ventilation parts 606, to guarantee the radiating effect of LED bulb lamp.When outer radiator 5 is connected with lamp holder 6, the lamp holder port of the hollow rotary support 501 of hollow rotary support 501.
On outer radiator 5, the outer fin lamp holder end face 5024 of all outer fin 502 and the lamp holder port of hollow rotary support 501 be in same plane, and on outer radiator 5, the outer fin lamp holder end face 5024 of all outer fin 502 is all in the inner side of the lamp holder port of hollow rotary support 501.The interface of outer radiator and lamp holder can only have the lamp holder port of hollow rotary support 501, and does not have the outer fin lamp holder end face 5024 of outer fin 502 to contact with lamp holder 6; The lamp holder port of hollow rotary support 501 and the plastic body of lamp holder 6 directly cold extrusion link together.If be that cold extrusion links together between the lamp holder port of hollow rotary support 501 and the plastic body of lamp holder 6, can under the prerequisite that guarantees assembly quality, obtain higher turning and join efficiency.
Because heat transfer base plate 3 will be arranged in the plane that in outer radiator 5, the upper outside heat sink end face 5021 of all outer fin 502 forms, heat transfer base plate 3 has identical rotary main shaft with outer radiator 5, in order to guarantee that LED bulb lamp in use has good radiating effect, there is cold air to enter into outer radiator 5 it is carried out to heat exchange.The area of heat transfer base plate 3 is less than the area of the heat transfer port of hollow rotary support 501, heat transfer base plate 3 has identical rotary main shaft with outer radiator 5, the base plate 3 that so just can guarantee to conduct heat not exclusively covers the heat transfer port of the hollow rotary support 501 of outer radiator, and cold air can not enter into outer radiator 5 by the heat transfer port of the hollow rotary support 501 of outer radiator that covered by heat transfer base plate 3.
The hollow rotary support 501 of outer radiator 5 and outer fin 502 are all generally used aluminium to be made, because aluminum alloy materials has good heat conductivility and low price; Because but copper material also has good heat conductivility expensive, still according to different use occasions, hollow rotary support 501 and the outer fin 502 of radiator 5 also can be made by choice for use copper material outward.
Fig. 6 A is the structural representation one of LED bulb lamp inner radiator of the present invention; Fig. 6 B is the structural representation two of LED bulb lamp inner radiator of the present invention; Fig. 6 C is the structural representation three of LED bulb lamp inner radiator of the present invention.Inner radiator 4 comprises hollow cylinder supporter 402 and is evenly distributed on the interior fin 401 on described hollow cylinder supporter 402 as shown in the figure.All interior fin 401 on inner radiator 4 be take the centre of gyration of hollow cylinder supporter 402 and is on the inner supporting body outer surface 4023 that divergent shape is distributed in hollow cylinder supporter 402 as the center of circle.The radius of hollow cylinder supporter 402 is less than the radius of the cylindrical cavity 504 of outer radiator 5.In inner radiator 4, the position of all interior fin lamp holder end faces 4013 is higher than the position of the inner supporting body lamp holder end face 4024 of hollow cylinder supporter 402.In inner radiator 4, all interior heat sink end faces 4011 absorb heat end face 4021 in same plane with the inner supporting body of hollow cylinder supporter 402.
The length of inner radiator 4 its hollow cylinder supporter 402 of end face is vertically greater than the length of fin 401 in distribution thereon, and the hollow cylinder supporter 402 mutually unnecessary length of internal fin 401 is partly directly connected for the endoporus 6062 with lamp holder 6.Lamp holder 6 can adopt direct cold extrusion mode to link together with hollow cylinder supporter 402, also can when lamp holder 6 is manufactured in injection moulding, make inner radiator 4 and lamp holder 6 directly be made as integral body.Interior fin 401 on inner radiator 4 does not contact to avoid interior fin 401 to stop up blow vent 6061 with the blow vent 6061 on lamp holder 6.
Because aluminum alloy materials has good heat conductivility and low price, the hollow cylinder supporter 402 of inner radiator 4 and interior fin 401 are all generally used aluminium to be made; Due to copper material also have good heat conductivility but expensive, but according to the hollow cylinder supporter 402 of different use occasion inner radiators 4 and interior fin 401, also can use copper material to be made.
Fig. 8 A is the structural representation one of LED bulb lamp lamp holder of the present invention; Fig. 8 B is the structural representation two of LED bulb lamp lamp holder of the present invention; Fig. 8 C is the structural representation three of LED bulb lamp lamp holder of the present invention; Fig. 8 D is the structural representation four of LED bulb lamp lamp holder of the present invention; Fig. 8 E is the structural representation five of LED bulb lamp lamp holder of the present invention.As shown in these figure, lamp holder 6 is the revolving body of ladder annular, and lamp holder 6 comprises connecting portion 601, dustproof portion 604, screwed union 603, ventilation part 606, annular groove 602; Wherein ventilation part 606 comprises ventilating opening 6061, endoporus 6062, and the quantity of ventilating opening 6061 is 20.
Fig. 1 is the Split type structure schematic diagram of the outer radiator of LED bulb lamp of the present invention; Fig. 2 is the overall structure schematic diagram of the outer radiator of LED bulb lamp of the present invention; Fig. 3 is the structural representation of LED bulb lamp lampshade of the present invention; Fig. 4 A is the structural representation one of LED bulb lamp light source board of the present invention; Fig. 4 B is the structural representation two of LED bulb lamp light source board of the present invention; Fig. 5 A is the structural representation one of LED bulb lamp heat transfer base plate of the present invention; Fig. 5 B is the structural representation two of LED bulb lamp heat transfer base plate of the present invention.
The LED bulb lamp of the present embodiment, comprises the Lights section, heat transfer part, lamp holder, power unit.Radiator portion comprises outer radiator 5 and inner radiator 4; The outer fin 502 of outer radiator 5 and the interior fin 401 of inner radiator 4 are crisscross arranged each other, and the outer fin 502 of outer radiator 5 does not contact with the interior fin 401 of inner radiator 4.
The hollow rotary support 501 lamp holder ports of outer radiator 5 are connected with lamp holder 6, the hollow cylinder supporter 402 lamp holder ports of inner radiator 4 are connected with lamp holder 6, and the hollow rotary support 501 heat transfer ports of outer radiator 5 are connected with the heat transfer base plate 3 that light source board 2 is installed; Inner radiator 4 is arranged on the inside of outer radiator 5, and the outer fin 502 in outer radiator 5 is crisscross arranged each other with the interior fin 401 of inner radiator 4.
In inner radiator 4, the interior heat sink end face 4011 of all interior fin 401 and the inner supporting body of hollow cylinder supporter 402 heat absorption end face 4021 all do not contact with the heat-transfer area 303 of heat transfer base plate 3.On the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5 and outer radiator 5, between all outer fin 502, there is gap.In outer radiator 5, the interior fin lamp holder end face 4013 of the outer fin lamp holder end face 5024 of all outer fin 502 and all interior fin 401 does not all stop up the ventilating opening 6061 of lamp holder 6.In LED bulb lamp, there is the airspace being formed by outer radiator 5 and inner radiator 4.On the light source board 2 of LED bulb lamp, be covered with lampshade 1.
Lamp holder comprises lamp holder 6, and lamp holder 6 is connected with the hollow rotary support 501 of outer radiator 5, and lamp holder 6 is also connected with the hollow cylinder supporter 402 of inner radiator 4 simultaneously.The screwed union 603 of lamp holder 6 is connected with extraneous two-phase alternating current source, in this and prior art, the lamp holder of ordinary incandescent lamp is similar, and screwed union 603 is connected with dc source 10 by being arranged on two wires of lamp holder 6 with after extraneous two-phase alternating current source is connected.
The Lights section is the light source board 2 that LED chip 9 is installed, and light source board 2 is arranged on the heat transfer base plate 3 of heat transfer part, and light source board 2 is arranged in the installed surface 302 of heat transfer base plate 3.Light source board 2, heat transfer base plate 3, inner radiator 4 and outer radiator 5 are coaxial installation; The heat transfer base plate installing hole 301 of the light source board installing hole 201 on light source board 2, heat transfer base plate 3 and the installing hole 503 on outer radiator 5, for position is consistent, can be arranged on light source board 2 and heat transfer base plate 3 on outer radiator 5 with three screws 7.The plane that on outer radiator 5, the outer heat sink end face 5021 of all outer fin 502 forms is used for installing heat transfer base plate 3, the cross section of heat transfer base plate 3 is less than the area of the heat transfer port of hollow rotary support 501, installs between the rear heat transfer base plate 3 of heat transfer base plate 3 and hollow rotary support 501 and each outer fin 502 and forms air inlet.
The heat that LED chip 9 produces is passed to heat transfer base plate 3 through light source board 2, heat transfer base plate 3 is passed to heat all outer fin 502 and the hollow rotary support 501 on outer radiator 5 again, outer fin 502 and hollow rotary support 501 conduct heat in the airspace being formed by outer radiator 5 and inner radiator 4, heat is dispersed in atmosphere by the ventilating opening 6061 on lamp holder 6 again, the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5, and on outer radiator 5, between all outer fin 502, have gap can be constantly to supplements cold in airspace.
The dc source 10 of power unit is arranged in the hollow cylinder supporter 402 of inner radiator 4, between the hollow cylinder supporter 402 of dc source 10 and inner radiator 4, with heat conductive silica gel, seal filling, the heat that heat conductive silica gel can make dc source 10 produce is passed to the hollow cylinder supporter 402 of inner radiator 4, hollow cylinder supporter 402 is passed to heat all interior fin 401 being connected with hollow cylinder supporter 402 again, the heat of dc source 10 is finally transmitted in the airspace being formed by outer radiator 5 and inner radiator 4, heat is dispersed in atmosphere by the ventilating opening 6061 on lamp holder 6 again, the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5, and on outer radiator 5, between all outer fin 502, have gap can be constantly to supplements cold in airspace.
A kind of preferred embodiment 2
Fig. 7 A is the structural representation one of the outer radiator of LED bulb lamp of the present invention; Fig. 7 B is the structural representation two of the outer radiator of LED bulb lamp of the present invention; Fig. 7 C is the structural representation three of the outer radiator of LED bulb lamp of the present invention.By these figure, demonstrate outer radiator 5 of the present invention and comprise hollow rotary support 501 and be evenly distributed on the outer fin 502 on supporter inner surface 5012, the quantity of the outer fin 502 on supporter inner surface 5012 is 20.All outer fin 502 in outer radiator 5 be take the centre of gyration of hollow rotary support 501 and is on the supporter inner surface 5012 that divergent shape is distributed in hollow rotary support 501 as the center of circle; All outer fin 502 in outer radiator 5 be take the gyroaxis of hollow rotary support 501 and is that axis forms cylindrical cavity 504; All outer fin 502 in outer radiator 5 has certain space each other.
Hollow rotary support 501 mainly contains the lamp holder port of supporter outer surface 5011, supporter inner surface 5012, hollow rotary support 501, the heat transfer port of hollow rotary support 501; The hollow rotary support 501 of radiator 5 can be hyperbola or truncated cone-shaped; The lamp holder port of hollow rotary support 501, the heat transfer port of hollow rotary support 501 are respectively upper bottom surface port and the bottom surface port of hollow rotary support 501, and the upper bottom surface port of hollow rotary support 501 and bottom surface port are penetrating mouthful.The concrete shape of hollow rotary support 501 has certain influence to the heat dispersion of light fixture, and outer radiator 5 in use, the radiating effect of the hyperbola of hollow rotary support 501 or requirement that truncated cone-shaped can meet Air Flow, outer radiator 5 is relatively good.Outer radiator 5 is installed to after LED bulb lamp of the present invention, the area of dissipation of supporter outer surface 5011 and supporter inner surface 5012 is all larger, supporter outer surface 5011 can directly be dispersed into the heat in outer radiator 5 in atmosphere, supporter inner surface 5012 can be the dissipation of heat in outer radiator 5 in the non-tight cavity of LED bulb lamp, and the heat in LED bulb lamp non-tight cavity can be dispersed in atmosphere by the ventilating opening 6061 on lamp holder 6.
Each outer fin 502 on outer radiator 5 is connected with supporter inner surface 5012, and all outer fin 502 all have outer heat sink end face 5021, outer fin heat radiation end face 5022, outer fin cavity end face 5023, outer fin lamp holder end face 5024; Outer radiator 5 is installed to after LED bulb lamp of the present invention, the area of dissipation of two outer fin heat radiation end faces 5022 of outer fin 502 is maximum, and the area of dissipation of outer heat sink end face 5021, outer fin cavity end face 5023, outer fin lamp holder end face 5024 is relatively little.All outer fin 502 all can be the dissipation of heat in outer radiator 5 in the non-tight cavity of LED bulb lamp, and in the non-tight cavity of LED bulb lamp, heat is finally dispersed in atmosphere by the ventilating opening 6061 of lamp holder 6.
On outer radiator 5, the outer heat sink end face 5021 of all outer fin 502 is all in a plane, and the plane that the outer heat sink end face 5021 of all outer fin 502 forms is used for installing heat transfer base plate 3; The bottom surface of the plane that the outer heat sink end face 5021 of all outer fin 502 forms for heat transfer base plate 3 is installed.
Because heat transfer base plate 3 will be arranged in the plane that in outer radiator 5, the upper outside heat sink end face 5021 of all outer fin 502 forms, heat transfer base plate 3 has identical rotary main shaft with outer radiator 5, in order to guarantee that LED bulb lamp in use has good radiating effect, there is cold air to enter into outer radiator 5 it is carried out to heat exchange.The area of heat transfer base plate 3 is less than the area of the heat transfer port of hollow rotary support 501, heat transfer base plate 3 has identical rotary main shaft with outer radiator 5, the base plate 3 that so just can guarantee to conduct heat not exclusively covers the heat transfer port of the hollow rotary support 501 of outer radiator, and cold air can not enter into outer radiator 5 by the heat transfer port of the hollow rotary support 501 of outer radiator that covered by heat transfer base plate 3.
The hollow rotary support 501 of outer radiator 5 and outer fin 502 are all generally used aluminium to be made, because aluminum alloy materials has good heat conductivility and low price; Because but copper material also has good heat conductivility expensive, still according to different use occasions, hollow rotary support 501 and the outer fin 502 of radiator 5 also can be made by choice for use copper material outward.
Fig. 6 A is the structural representation one of LED bulb lamp inner radiator of the present invention; Fig. 6 B is the structural representation two of LED bulb lamp inner radiator of the present invention; Fig. 6 C is the structural representation three of LED bulb lamp inner radiator of the present invention.
Inner radiator 4 of the present invention comprises hollow cylinder supporter 402, and be evenly distributed on the interior fin 401 on hollow cylinder supporter outer wall 4023, the quantity of the interior fin 401 on hollow cylinder supporter outer wall 4023 is 20, and the interior fin 401 on hollow cylinder supporter outer wall 4023 is divergent shape.
The length of inner radiator 4 its hollow cylinder supporter 402 of end face is vertically greater than the length of fin 401 in distribution thereon, and the hollow cylinder supporter 402 mutually unnecessary length of internal fin 401 is partly directly connected for the endoporus 6062 of the lamp holder 6 with lamp holder.Lamp holder 6 can adopt direct cold extrusion mode to link together with hollow cylinder supporter 402, and the interior fin 401 on inner radiator 4 does not contact to avoid interior fin 401 to stop up blow vent 6061 with the blow vent 6061 on lamp holder 6.
Because aluminum alloy materials has good heat conductivility and low price, the hollow cylinder supporter 402 of inner radiator 4 and interior fin 401 are all generally used aluminium to be made; Due to copper material also have good heat conductivility but expensive, but according to the hollow cylinder supporter 402 of different use occasion inner radiators 4 and interior fin 401, also can use copper material to be made.
Fig. 8 A is the structural representation one of LED bulb lamp lamp holder of the present invention; Fig. 8 B is the structural representation two of LED bulb lamp lamp holder of the present invention; Fig. 8 C is the structural representation three of LED bulb lamp lamp holder of the present invention; Fig. 8 D is the structural representation four of LED bulb lamp lamp holder of the present invention; Fig. 8 E is the structural representation five of LED bulb lamp lamp holder of the present invention.As shown in these figure, lamp holder 6 is the revolving body of ladder annular, and lamp holder 6 comprises connecting portion 601, dustproof portion 604, screwed union 603, ventilation part 606, annular groove 602; Wherein ventilation part 606 comprises ventilating opening 6061, endoporus 6062, and the quantity of ventilating opening 6061 is 20.
Fig. 1 is the Split type structure schematic diagram of the outer radiator of LED bulb lamp of the present invention; Fig. 2 is the overall structure schematic diagram of the outer radiator of LED bulb lamp of the present invention; Fig. 3 is the structural representation of LED bulb lamp lampshade of the present invention; Fig. 4 A is the structural representation one of LED bulb lamp light source board of the present invention; Fig. 4 B is the structural representation two of LED bulb lamp light source board of the present invention; Fig. 5 A is the structural representation one of LED bulb lamp heat transfer base plate of the present invention; Fig. 5 B is the structural representation two of LED bulb lamp heat transfer base plate of the present invention.
The LED bulb lamp of the present embodiment, comprises the Lights section, heat transfer part, lamp holder, power unit.Radiator portion comprises outer radiator 5 and inner radiator 4; The outer fin 502 of outer radiator 5 and the interior fin 401 of inner radiator 4 are crisscross arranged each other, and the outer fin 502 of outer radiator 5 does not contact with the interior fin 401 of inner radiator 4.
Lamp holder comprises lamp holder 6, and lamp holder 6 is connected with the hollow rotary support 501 of outer radiator 5, and lamp holder 6 is also connected with the hollow cylinder supporter 402 of inner radiator 4 simultaneously.The screwed union 603 of lamp holder 6 is connected with extraneous two-phase alternating current source, in this and prior art, the lamp holder of ordinary incandescent lamp is similar, and screwed union 603 is connected with dc source 10 by being arranged on two wires of lamp holder 6 with after extraneous two-phase alternating current source is connected.
The Lights section is the light source board 2 that LED chip 9 is installed, and light source board 2 is arranged on the heat transfer base plate 3 of heat transfer part, and light source board 2 is arranged in the installed surface 302 of heat transfer base plate 3.Light source board 2, heat transfer base plate 3, inner radiator 4 and outer radiator 5 are coaxial installation; The heat transfer base plate installing hole 301 of the light source board installing hole 201 on light source board 2, heat transfer base plate 3 and the installing hole 503 on outer radiator 5, for position is consistent, can be arranged on light source board 2 and heat transfer base plate 3 on outer radiator 5 with three screws 7.The plane that on outer radiator 5, the outer heat sink end face 5021 of all outer fin 502 forms is used for installing heat transfer base plate 3, the cross section of heat transfer base plate 3 is less than the area of the heat transfer port of hollow rotary support 501, installs between the rear heat transfer base plate 3 of heat transfer base plate 3 and hollow rotary support 501 and each outer fin 502 and forms air inlet.
The heat that LED chip 9 produces is passed to heat transfer base plate 3 through light source board 2, heat transfer base plate 3 is passed to heat all outer fin 502 and the hollow rotary support 501 on outer radiator 5 again, outer fin 502 and hollow rotary support 501 conduct heat to the air in the airspace of outer radiator 5 and inner radiator 4, hot-air in airspace is dispersed in atmosphere by the ventilating opening 6061 on lamp holder 6 again, the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5, and on outer radiator 5, between all outer fin 502, have gap can be constantly to supplements cold in airspace.
The dc source 10 of power unit is arranged in the hollow cylinder supporter 402 of inner radiator 4, between the hollow cylinder supporter 402 of dc source 10 and inner radiator 4, with heat conductive silica gel, seal filling, the heat that heat conductive silica gel can make dc source 10 produce is passed to the hollow cylinder supporter 402 of inner radiator 4, hollow cylinder supporter 402 is passed to heat all interior fin 401 being connected with hollow cylinder supporter 402 again, the heat of dc source 10 is finally transmitted to by outer radiator 5 and inner radiator 4 and forms the air in airspace, in airspace hot-air by the ventilating opening 6061 on lamp holder 6, be dispersed in atmosphere again, the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5, and on outer radiator 5, between all outer fin 502, have gap can be constantly to supplements cold in airspace.
Claims (16)
1. for an outer radiator for LED bulb lamp, it is characterized in that: described outer radiator (5) comprises hollow rotary support (501) and is evenly distributed on the outer fin (502) in described hollow rotary support (501); All outer fin (502) in described outer radiator (5) be take the centre of gyration of hollow rotary support (501) and is on the supporter inner surface (5012) that divergent shape is distributed in hollow rotary support (501) as the center of circle; All outer fin (502) in described outer radiator (5) be take the gyroaxis of hollow rotary support (501) and is that axis forms cylindrical cavity (504); All outer fin (502) in described outer radiator (5) has certain space each other.
2. the outer radiator for LED bulb lamp according to claim 1, is characterized in that: the outer heat sink end face (5021) of the upper all outer fin (502) of described outer radiator (5) is all in a plane.
3. the outer radiator for LED bulb lamp according to claim 1, is characterized in that: described hollow rotary support (501) be shaped as hyperbola revolving body.
4. the outer radiator for LED bulb lamp according to claim 3, is characterized in that: in described outer radiator (5), on any three uniform outer fin (502), have the installing hole (503) parallel with the centre of gyration of hollow rotary support (501).
5. the outer radiator for LED bulb lamp according to claim 1, is characterized in that: the outer fin lamp holder end face (5024) of the upper all outer fin (502) of described outer radiator (5) is all in the inner side of hollow rotary support (501) lamp holder port.
6. the outer radiator for LED bulb lamp according to claim 1, is characterized in that: the outer heat sink end face (5021) of the upper all outer fin (502) of described outer radiator (5) is all in the inner side of hollow rotary support (501) heat transfer port.
7. for an inner radiator for LED bulb lamp, it is characterized in that: described inner radiator (4) comprises hollow cylinder supporter (402) and is evenly distributed on the interior fin (401) on described hollow cylinder supporter (402); All interior fin (401) on described inner radiator (4) be take the centre of gyration of hollow cylinder supporter (402) and is on the inner supporting body outer surface (4023) that divergent shape is distributed in hollow cylinder supporter (402) as the center of circle.
8. the inner radiator for LED bulb lamp according to claim 7, is characterized in that: the radius of described hollow cylinder supporter (402) is less than according to the radius of cylindrical cavity (504) in the outer radiator (5) of claim 1-6.
9. the inner radiator for LED bulb lamp according to claim 7, is characterized in that: in described inner radiator (4), the position of all interior fin lamp holder end faces (4013) is higher than the position of the inner supporting body lamp holder end face (4024) of hollow cylinder supporter (402).
10. the inner radiator for LED bulb lamp according to claim 7, is characterized in that: in described inner radiator (4), all interior heat sink end faces (4011) absorb heat end face (4021) in same plane with the inner supporting body of hollow cylinder supporter (402).
The LED bulb lamp of outer radiator, inner radiator and lamp holder described in 11. 1 kinds of above arbitrary claims of use, it is characterized in that: hollow rotary support (501) the lamp holder port of described outer radiator (5) is connected with lamp holder (6), hollow cylinder supporter (402) the lamp holder port of described inner radiator (4) is connected with described lamp holder (6), and hollow rotary support (501) the heat transfer port of described outer radiator (5) is connected with the heat transfer base plate (3) that light source board (2) is installed; Described inner radiator (4) is arranged on the inside of described outer radiator (5), and the outer fin (502) in described outer radiator (5) is crisscross arranged each other with the interior fin (401) of described inner radiator (4).
12. LED bulb lamps according to claim 11, is characterized in that: in described inner radiator (4), the interior heat sink end face (4011) of all interior fin (401) and the inner supporting body of hollow cylinder supporter (402) heat absorption end face (4021) all do not contact with the heat-transfer area (303) of heat transfer base plate (3).
13. LED bulb lamps according to claim 11, is characterized in that: between the upper all outer fin (502) of hollow rotary support (501) the heat transfer port of described heat transfer base plate (3) and described outer radiator (5) and outer radiator (5), have gap.
14. LED bulb lamps according to claim 11, is characterized in that: in described outer radiator (5), the outer fin lamp holder end face (5024) of all outer fin (502) and the interior fin lamp holder end face (4013) of all interior fin (401) all do not stop up the ventilating opening (6061) of lamp holder (6).
15. according to the arbitrary described LED bulb lamp of claim 11-14, it is characterized in that: in described LED bulb lamp, have the airspace being formed by described outer radiator (5) and described inner radiator (4).
16. LED bulb lamps according to claim 15, is characterized in that: dc source (10) is installed in the hollow cylinder supporter (402) of described inner radiator (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320181608.XU CN203533232U (en) | 2013-04-03 | 2013-04-03 | External radiator, internal radiator and LED bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320181608.XU CN203533232U (en) | 2013-04-03 | 2013-04-03 | External radiator, internal radiator and LED bulb lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203533232U true CN203533232U (en) | 2014-04-09 |
Family
ID=50419437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320181608.XU Expired - Fee Related CN203533232U (en) | 2013-04-03 | 2013-04-03 | External radiator, internal radiator and LED bulb lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203533232U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216803A (en) * | 2013-04-03 | 2013-07-24 | 大连三维传热技术有限公司 | LED (Light-Emitting Diode) bulb lamp |
-
2013
- 2013-04-03 CN CN201320181608.XU patent/CN203533232U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216803A (en) * | 2013-04-03 | 2013-07-24 | 大连三维传热技术有限公司 | LED (Light-Emitting Diode) bulb lamp |
| CN103216803B (en) * | 2013-04-03 | 2014-08-06 | 大连三维传热技术有限公司 | LED (Light-Emitting Diode) bulb lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101457913A (en) | LED lamp | |
| CN102003647B (en) | Omnibearing LED bulb lamp | |
| CN102121690A (en) | Radiating device for light distribution of LED (light-emitting diode) lamp | |
| CN102278652A (en) | Light emitting diode (LED) ball-bulb lamp | |
| CN201582595U (en) | Internal-radiating LED cylindrical lamp | |
| CN107642697B (en) | Radiator for LED module, LED module and LED lamp | |
| CN201884961U (en) | LED spheroid lamp | |
| CN100526711C (en) | LED fluorescent lamp heat radiation method | |
| CN201206815Y (en) | LED lamp with heat radiation structure | |
| CN202082826U (en) | Thermoelectric isolation seat of LED lamp, and LED lamp employing same | |
| CN202177001U (en) | Cylindrical ceiling lamp | |
| CN202274308U (en) | Light emitting diode (LED) bulb lamp | |
| CN201322225Y (en) | Modularized LED street lamp | |
| CN203533232U (en) | External radiator, internal radiator and LED bulb lamp | |
| CN204879516U (en) | Improved structure of LED bulb lamp | |
| CN103216803B (en) | LED (Light-Emitting Diode) bulb lamp | |
| CN104421901A (en) | All-round anti-explosion lamp assembly | |
| CN202647341U (en) | High-efficiency heat-dissipation LED (Light Emitting Diode) bulb lamp | |
| CN103822176A (en) | Led lamp | |
| CN202791891U (en) | Groove type radiator for LED lamp | |
| CN102287652A (en) | Heat-dissipation-type LED (light-emitting diode) lamp with multiple light-emitting surfaces | |
| CN203489020U (en) | Cylindrical radiator, LED lamp bead heat dissipation device composed of cylindrical radiator, and LED lamp | |
| CN204100014U (en) | LED spotlight structure | |
| CN206802789U (en) | Led | |
| CN207034831U (en) | A kind of LED |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20160403 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |