CN103216803A - LED (Light-Emitting Diode) bulb lamp - Google Patents
LED (Light-Emitting Diode) bulb lamp Download PDFInfo
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- CN103216803A CN103216803A CN2013101342143A CN201310134214A CN103216803A CN 103216803 A CN103216803 A CN 103216803A CN 2013101342143 A CN2013101342143 A CN 2013101342143A CN 201310134214 A CN201310134214 A CN 201310134214A CN 103216803 A CN103216803 A CN 103216803A
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Abstract
The invention discloses an LED (Light-Emitting Diode) bulb lamp and belongs to the technical field of illumination. The LED bulb lamp comprises a light source part, a heat absorption part, a heat dissipation part, a lamp base part and a power supply part, wherein the light source part is arranged on the heat absorption part; the heat absorption part is connected with the heat dissipation part; the heat dissipation part is connected with the lamp base part; and the power supply part is arranged in the heat dissipation part. The LED bulb lamp is characterized in that the heat dissipation part comprises an external heat dissipator (5) and an internal heat dissipator (4) which have the same rotation axis with the rotation center of the LED bulb lamp. Compared with the prior art, the LED bulb lamp has the following advantages: the heat dissipation performance of the heat dissipators of the bulb lamp is good, thereby ensuring the heat generated by a direct current power supply can be effectively dissipated; and in the use process of the bulb lamp, no dust can enter into the dissipators.
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 installed on the described heat absorbing part, and described heat absorbing part links to each other with described radiator portion, and described radiator portion links to each other with described lamp holder, and described power unit is installed in the described radiator portion.
The Lights section is LED light-emitting component and light source board, and the LED light-emitting component is installed in light source board, and power unit is a dc source; Light source board is installed on the heat absorption base plate, and the heat absorption base plate links to each other with an end of outer radiator, and screwed union links to each other with the other end of radiator; Heat absorbing part is the heat absorption base plate, and heat absorbing part passes to radiator after the Lights section absorbs heat, and radiator will be dispersed in the air from the heat that heat absorbing part comes.Wherein an end and the screwed union of radiator are fastenedly connected, and the other end of radiator links to each other with the heat absorption base plate; Dc source is installed in the inner core of radiator, between the inner core of dc source and radiator heat conductive silica gel is arranged.
The LED light-emitting component is mounted on the light source board, and light source board is connected on the 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 the 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 the hollow cylinder supporter, and dc source is installed in the middle of the hollow cylinder supporter of radiator; The periphery of the hollow cylinder supporter of radiator is equipped with fin, and fin is that the center outwards is divergent shape with the center of circle of hollow cylinder supporter.
Screwed union comprises body and spiral link electrode two parts; Two electrodes that link to each other with AC power are arranged on the screwed union, and 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; Can adopt screw to be connected between screwed union and the outer radiator, also can adopt the cold extrusion mode to link together between screwed union and the outer radiator.
Because the fin of LED bulb lamp radiator is in naked state in the prior art, the bottom of its radiator often has a large amount of dusts in the use of LED bulb lamp.Because dc source is installed in the hollow cylinder of radiator, the a large amount of heat of its dc source generation can't effectively distribute in the LED bulb lamp course of work, 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 big technical barrier in restriction present technique field always.
Summary of the invention
The present invention has provided a kind of LED bulb lamp in order to solve above technical problem.
A kind of outer radiator that is used for the LED bulb lamp of the present invention is characterized in that: described outer radiator comprises hollow rotary support and is evenly distributed on outer fin in the described hollow rotary support; All outer fin in the described outer radiator are that the center of circle is on the supporter inner surface that divergent shape is distributed in hollow rotary support with the centre of gyration of hollow rotary support; All outer fin in the described outer radiator are that axis forms cylindrical cavity with the gyroaxis of hollow rotary support; All outer fin in the described outer radiator have certain space each other.
According to the above-described outer radiator that is used for the LED bulb lamp, preferred: the outer heat sink end face of all outer fin all is on the plane on the described outer radiator.
According to the above-described outer radiator that is used for the LED bulb lamp, preferred: described hollow rotary support be shaped as the hyperbola revolving body.
According to the above-described outer radiator that is used for the LED bulb lamp, preferred: as on any three uniform outer fin the installing hole parallel with the centre of gyration of hollow rotary support to be arranged in the described outer radiator.
According to the above-described outer radiator that is used for the LED bulb lamp, preferred: the outer fin lamp holder end face of all outer fin is all in the inboard of hollow rotary support lamp holder port on the described outer radiator.
According to the above-described outer radiator that is used for the LED bulb lamp, preferred: the outer heat sink end face of all outer fin is all in the inboard of hollow rotary support heat transfer port on the described outer radiator.
According to the above-described outer radiator that is used for the LED bulb lamp, preferred: described inner radiator comprises the hollow cylinder supporter and is evenly distributed on interior fin on the described hollow cylinder supporter; Fin is that the center of circle is on the inner supporting body outer surface that divergent shape is distributed in the hollow cylinder supporter with the centre of gyration of hollow cylinder supporter on the described inner radiator all.
According to the above-described outer radiator that is used for the LED bulb lamp, preferred: the radius of described hollow cylinder supporter is less than the radius according to cylindrical cavity in the above-described outer radiator.
A kind of inner radiator that is used for the LED bulb lamp of the present invention, preferred: 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 in the described inner radiator.
According to the above-described inner radiator that is used for the LED bulb lamp, preferred: the inner supporting body heat absorption end face of all interior heat sink end faces and hollow cylinder supporter is in same plane in the described inner radiator.
A kind of lamp holder that is used for the LED bulb lamp of the present invention is characterized in that: described lamp holder comprises ventilative portion, dustproof portion, connecting portion, screwed union; Link together by connecting portion between described ventilative portion and the dustproof portion, between described ventilative portion and the dustproof portion annular groove is arranged; In the described ventilative portion with the corresponding part of the annular groove ventilating opening that distributing.
According to the above-described lamp holder that is used for the LED bulb lamp, preferred: that an endoporus that is used to settle power line is arranged in the ventilative portion of described lamp holder, dustproof portion and the 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 links to each other with described lamp holder, the hollow cylinder supporter lamp holder port of described inner radiator links to each other with described lamp holder, and the hollow rotary support heat transfer port of described outer radiator links to each other with the heat transfer base plate that light source board is installed; Described inner radiator is installed in the inside of described outer radiator, and the outer fin in the described outer radiator and the interior fin of described inner radiator are crisscross arranged each other.
According to above-described LED bulb lamp, preferred: the inner supporting body of the interior heat sink end face of all interior fin and hollow cylinder supporter heat absorption end face does not all contact with the heat-transfer area of heat transfer base plate in the described inner radiator.
According to above-described LED bulb lamp, preferred: as between all outer fin the slit to be arranged on the hollow rotary support heat transfer port of described heat transfer base plate and described outer radiator and the outer radiator.
According to above-described LED bulb lamp, preferred: 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 in the described outer radiator.
According to above-described LED bulb lamp, preferred: that the airspace that is formed by described outer radiator and described inner radiator is arranged in the described LED bulb lamp.
According to above-described LED bulb lamp, preferred: described dc source is installed in the hollow cylinder supporter of described inner radiator.
The present invention compared with prior art has following advantage: the perfect heat-dissipating of bulb lamp radiator can guarantee that the heat that dc source produces effectively distributes, not have dust in the bulb lamp use and enter into radiator.
Description of drawings
Accompanying drawing 1 is the split structural representation 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 implementation 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.Demonstrate outer radiator 5 of the present invention by these several figure and comprise hollow rotary support 501 and be evenly distributed on outer fin 502 on the supporter inner surface 5012 that the quantity of the outer fin 502 on the supporter inner surface 5012 is 20.The outer fin 502 of in the outer radiator 5 all is that the center of circle is on the supporter inner surface 5012 that divergent shape is distributed in hollow rotary support 501 with the centre of gyration of hollow rotary support 501; The outer fin 502 of in the outer radiator 5 all is that axis forms cylindrical cavity 504 with the gyroaxis of hollow rotary support 501; The outer fin 502 of in the outer radiator 5 all 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 the 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 it is relatively good that outer radiator 5 in use, the hyperbola of hollow rotary support 501 or truncated cone-shaped can meet the radiating effect of requirement that air flows, outer radiator 5.After outer radiator 5 is installed to LED bulb lamp of the present invention, the area of dissipation of supporter outer surface 5011 and supporter inner surface 5012 is all bigger, supporter outer surface 5011 can directly be dispersed into the heat in the outer radiator 5 in the atmosphere, supporter inner surface 5012 can be dispersed into the heat in the outer radiator 5 in the non-tight cavity of LED bulb lamp, and the heat in the LED bulb lamp non-tight cavity can be dispersed in the atmosphere by the ventilating opening on the lamp holder 6 6061.
The outer fin 502 of on the outer radiator 5 each all links to each other 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; After outer radiator 5 is installed to LED bulb lamp of the present invention, the area of dissipation maximum of two outer fin heat radiation end faces 5022 of outer fin 502, 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 less relatively.All outer fin 502 all can be dispersed into the heat in the outer radiator 5 in the non-tight cavity of LED bulb lamp, and heat finally is dispersed in the atmosphere by the ventilating opening 6061 of lamp holder 6 in the non-tight cavity of LED bulb lamp.
The outer heat sink end face 5021 of all outer fin 502 all is on the plane on the outer radiator 5, and the plane that the outer heat sink end face 5021 of all outer fin 502 forms is used to install heat transfer base plate 3; The bottom surface that the plane that the outer heat sink end face 5021 of all outer fin 502 forms is used to install heat transfer base plate 3.
On uniform three outer fin 502 installing hole 503 is arranged on the outer radiator 5, 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 the outer radiator 5, the 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 the light source board 2, heat transfer base plate 3 and the installing hole 503 on the outer radiator 5 be for the position is consistent, can with three screws 7 with light source board 2 and heat transfer base plate 3 be fixed on the outer radiator 5, three screws 7 are fastened in three installing holes 503.
Can scribble heat conductive silica gel, the heat conductive silica gel base plate 3 that can guarantee to conduct heat between the outer heat sink end face 5021 of the bottom surface of heat transfer base plate 3 and all outer fin 502 and have heat-transfer effect preferably with all outer fin 502; Also can scribble heat conductive silica gel between light source board 2 and the heat transfer base plate 3, heat conductive silica gel can guarantee that light source board 2 and heat transfer base plate 3 have heat-transfer effect preferably.
The outer fin lamp holder end face 5024 of all outer fin 502 also can be all to be on the plane on the outer radiator 5, and all the outer fin 502 on outer radiator 5 sections are the center of circle with 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 ventilative portions 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.
The outer fin lamp holder end face 5024 of all outer fin 502 is not in same plane with the lamp holder port of hollow rotary support 501 on the outer radiator 5, and the outer fin lamp holder end face 5024 of all outer fin 502 is all in the inboard of the lamp holder port of hollow rotary support 501 on the outer radiator 5.The interface of outer radiator and lamp holder can have only 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 plastic body of the lamp holder port of hollow rotary support 501 and lamp holder 6, then can under the prerequisite that guarantees assembly quality, obtain higher commentaries on classics and join efficient.
Because heat transfer base plate 3 will be installed on the plane that outer heat sink end face 5021 forms on all outer fin 502 in the outer radiator 5, heat transfer base plate 3 has identical rotary main shaft with outer radiator 5, in order to guarantee that the LED bulb lamp in use has better radiating effect, there is cold air to enter into outer radiator 5 it is carried out 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 and the outer fin 502 of outer radiator 5 all generally use aluminium to be made, because aluminum alloy materials has good heat conductivility and low price; Because but copper material also has good heat conductivility costs an arm and a leg, but also can select to use copper material to be made according to the hollow rotary support 501 and the outer fin 502 of the outer radiator 5 of different use occasions.
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 interior fin 401 on the described hollow cylinder supporter 402 as shown in the figure.Fin 401 is that the center of circle is on the inner supporting body outer surface 4023 that divergent shape is distributed in hollow cylinder supporter 402 with the centre of gyration of hollow cylinder supporter 402 on the inner radiator 4 all.The radius of hollow cylinder supporter 402 is less than the radius of the cylindrical cavity 504 of outer radiator 5.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 the inner radiator 4.All interior heat sink end faces 4011 are in same plane with the inner supporting body heat absorption end face 4021 of hollow cylinder supporter 402 in the inner radiator 4.
The length of inner radiator 4 its hollow cylinder supporter 402 of end face vertically is greater than the length of fin 401 in distributing thereon, and the hollow cylinder supporter 402 unnecessary length of internal fin 401 mutually partly is used for directly being connected with the endoporus 6062 of lamp holder 6.Lamp holder 6 can adopt direct cold extrusion mode to link together with hollow cylinder supporter 402, also can make inner radiator 4 and lamp holder 6 directly be made as integral body when lamp holder 6 is made in injection moulding.Interior fin 401 on the inner radiator 4 does not contact with blow vent 6061 on the lamp holder 6 with fin in avoiding 401 and stops up blow vents 6061.
Because aluminum alloy materials has good heat conductivility and low price, the hollow cylinder supporter 402 of inner radiator 4 and interior fin 401 all generally use aluminium to be made; Because but copper material also has good heat conductivility costs an arm and a leg, but also can use copper material to be made according to the hollow cylinder supporter 402 and the interior fin 401 of different use occasion inner radiators 4.
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.Lamp holder 6 is the revolving body of ladder annular shown in these several figure, and lamp holder 6 comprises connecting portion 601, dustproof portion 604, screwed union 603, ventilative portion 606, annular groove 602; Wherein ventilative portion 606 comprises ventilating opening 6061, endoporus 6062, and the quantity of ventilating opening 6061 is 20.
There is annular groove 602 in ventilative portion 606 on the revolution outer face of lamp holder 6 between dustproof portion 604, be connected by connecting portion 601 between ventilative portion 606 and the dustproof portion 604, is evenly distributed with ventilating opening 6061 between annular groove 602 and the ventilative portion 606.In the normal use of LED bulb lamp of the present invention, dustproof portion 604 can play and prevent that dust from entering into the radiator of being made up of outer radiator 5 and inner radiator 4 by ventilating opening 6061.
Fig. 1 is the split structural representation 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 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 link to each other with lamp holder 6, the hollow cylinder supporter 402 lamp holder ports of inner radiator 4 link to each other with lamp holder 6, and the hollow rotary support 501 heat transfer ports of outer radiator 5 link to each other with the heat transfer base plate 3 that light source board 2 is installed; Inner radiator 4 is installed in the inside of outer radiator 5, and the outer fin 502 in the outer radiator 5 is crisscross arranged each other with the interior fin 401 of inner radiator 4.
The inner supporting body of the interior heat sink end face 4011 of all interior fin 401 and hollow cylinder supporter 402 heat absorption end face 4021 does not all contact with the heat-transfer area 303 of heat transfer base plate 3 in the inner radiator 4.Between all outer fin 502 slit is arranged on the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5 and the 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 the outer radiator 5.The airspace that is formed by outer radiator 5 and inner radiator 4 is arranged in the LED bulb lamp.Be covered with lampshade 1 on the light source board 2 of LED bulb lamp.
Lamp holder comprises lamp holder 6, and lamp holder 6 links to each other with the hollow rotary support 501 of outer radiator 5, and lamp holder 6 also links to each other with the hollow cylinder supporter 402 of inner radiator 4 simultaneously.The screwed union 603 of lamp holder 6 links to each other with the two-phase alternating current source in the external world, the lamp holder of ordinary incandescent lamp is similar in this and the prior art, and screwed union 603 back that links to each other with the two-phase alternating current source in the external world links to each other with dc source 10 by two leads that are installed in lamp holder 6.
The Lights section is the light source board 2 that led chip 9 is installed, and light source board 2 is installed on the heat transfer base plate 3 of heat transfer part, and light source board 2 is installed 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 the light source board 2, heat transfer base plate 3 and the installing hole 503 on the outer radiator 5 can be installed in light source board 2 and heat transfer base plate 3 on the outer radiator 5 with three screws 7 for the position is consistent.The plane that the outer heat sink end face 5021 of all outer fin 502 forms on the outer radiator 5 is used to install heat transfer base plate 3, the cross section of heat transfer base plate 3 installs between heat transfer base plate 3 back heat transfer base plates 3 and hollow rotary support 501 and each the outer fin 502 and forms air inlet less than the area of the heat transfer port of hollow rotary support 501.
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 supports 501 on the outer radiator 5 again, outer fin 502 and hollow rotary support 501 conduct heat in the airspace that is formed by outer radiator 5 and inner radiator 4, heat is dispersed in the atmosphere by the ventilating opening on the lamp holder 6 6061 again, the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5, and slit supplements cold in airspace constantly arranged between all outer fin 502 on the outer radiator 5.
The dc source 10 of power unit is installed in the hollow cylinder supporter 402 of inner radiator 4, seal filling with heat conductive silica gel between the hollow cylinder supporter 402 of dc source 10 and inner radiator 4, 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 fin 401 in all that link to each other with hollow cylinder supporter 402 again, the heat of dc source 10 is transmitted in the airspace that is formed by outer radiator 5 and inner radiator 4 at last, heat is dispersed in the atmosphere by the ventilating opening on the lamp holder 6 6061 again, the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5, and slit supplements cold in airspace constantly arranged between all outer fin 502 on the outer radiator 5.
A kind of preferred implementation 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.Demonstrate outer radiator 5 of the present invention by these several figure and comprise hollow rotary support 501 and be evenly distributed on outer fin 502 on the supporter inner surface 5012 that the quantity of the outer fin 502 on the supporter inner surface 5012 is 20.The outer fin 502 of in the outer radiator 5 all is that the center of circle is on the supporter inner surface 5012 that divergent shape is distributed in hollow rotary support 501 with the centre of gyration of hollow rotary support 501; The outer fin 502 of in the outer radiator 5 all is that axis forms cylindrical cavity 504 with the gyroaxis of hollow rotary support 501; The outer fin 502 of in the outer radiator 5 all 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 the 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 it is relatively good that outer radiator 5 in use, the hyperbola of hollow rotary support 501 or truncated cone-shaped can meet the radiating effect of requirement that air flows, outer radiator 5.After outer radiator 5 is installed to LED bulb lamp of the present invention, the area of dissipation of supporter outer surface 5011 and supporter inner surface 5012 is all bigger, supporter outer surface 5011 can directly be dispersed into the heat in the outer radiator 5 in the atmosphere, supporter inner surface 5012 can be dispersed into the heat in the outer radiator 5 in the non-tight cavity of LED bulb lamp, and the heat in the LED bulb lamp non-tight cavity can be dispersed in the atmosphere by the ventilating opening on the lamp holder 6 6061.
The outer fin 502 of on the outer radiator 5 each all links to each other 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; After outer radiator 5 is installed to LED bulb lamp of the present invention, the area of dissipation maximum of two outer fin heat radiation end faces 5022 of outer fin 502, 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 less relatively.All outer fin 502 all can be dispersed into the heat in the outer radiator 5 in the non-tight cavity of LED bulb lamp, and heat finally is dispersed in the atmosphere by the ventilating opening 6061 of lamp holder 6 in the non-tight cavity of LED bulb lamp.
The outer heat sink end face 5021 of all outer fin 502 all is on the plane on the outer radiator 5, and the plane that the outer heat sink end face 5021 of all outer fin 502 forms is used to install heat transfer base plate 3; The bottom surface that the plane that the outer heat sink end face 5021 of all outer fin 502 forms is used to install heat transfer base plate 3.
Outer radiator 5 also can with directly the linking together of lamp holder 6 by screw, three uniform installing holes 503 can be the through holes parallel with cavity end face 5023 on the outer radiator 5; Light source board 2, heat transfer base plate 3 and outer radiator 5 all are fixed on the bottom surface of lamp holder 6 by long screw 7, have on the bottom surface of lamp holder 6 and screw 7 corresponding screwed holes; The heat transfer base plate installing hole 301 of the light source board installing hole 201 on the light source board 2, heat transfer base plate 3 and the lead to the hole site on the outer radiator 5 are consistent, and can outer radiator 5, light source board 2 and heat transfer base plate 3 be fixed on the lamp holder 6 with three long screws 7.
Because heat transfer base plate 3 will be installed on the plane that outer heat sink end face 5021 forms on all outer fin 502 in the outer radiator 5, heat transfer base plate 3 has identical rotary main shaft with outer radiator 5, in order to guarantee that the LED bulb lamp in use has better radiating effect, there is cold air to enter into outer radiator 5 it is carried out 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 and the outer fin 502 of outer radiator 5 all generally use aluminium to be made, because aluminum alloy materials has good heat conductivility and low price; Because but copper material also has good heat conductivility costs an arm and a leg, but also can select to use copper material to be made according to the hollow rotary support 501 and the outer fin 502 of the outer radiator 5 of different use occasions.
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 interior fin 401 on the hollow cylinder supporter outer wall 4023, the quantity of the interior fin 401 on the hollow cylinder supporter outer wall 4023 is 20, and the interior fin 401 on the hollow cylinder supporter outer wall 4023 is divergent shape.
The length of inner radiator 4 its hollow cylinder supporter 402 of end face vertically is greater than the length of fin 401 in distributing thereon, hollow cylinder supporter 402 mutually internally the unnecessary length of fin 401 partly be used for directly being connected with the endoporus 6062 of the lamp holder 6 of lamp holder.Lamp holder 6 can adopt direct cold extrusion mode link together with hollow cylinder supporter 402, and the interior fin 401 on the inner radiator 4 contact with the 401 obstruction blow vents 6061 of fin in avoiding with blow vent 6061 on the 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 all generally use aluminium to be made; Because but copper material also has good heat conductivility costs an arm and a leg, but also can use copper material to be made according to the hollow cylinder supporter 402 and the interior fin 401 of different use occasion inner radiators 4.
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.Lamp holder 6 is the revolving body of ladder annular shown in these several figure, and lamp holder 6 comprises connecting portion 601, dustproof portion 604, screwed union 603, ventilative portion 606, annular groove 602; Wherein ventilative portion 606 comprises ventilating opening 6061, endoporus 6062, and the quantity of ventilating opening 6061 is 20.
There is annular groove 602 in ventilative portion 606 on the revolution outer face of lamp holder 6 between dustproof portion 604, be connected by connecting portion 601 between ventilative portion 606 and the dustproof portion 604, is evenly distributed with ventilating opening 6061 between annular groove 602 and the ventilative portion 606.In the normal use of LED bulb lamp of the present invention, dustproof portion 604 can play and prevent that dust from entering into the radiator of being made up of outer radiator 5 and inner radiator 4 by ventilating opening 6061.
Fig. 1 is the split structural representation 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 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 links to each other with the hollow rotary support 501 of outer radiator 5, and lamp holder 6 also links to each other with the hollow cylinder supporter 402 of inner radiator 4 simultaneously.The screwed union 603 of lamp holder 6 links to each other with the two-phase alternating current source in the external world, the lamp holder of ordinary incandescent lamp is similar in this and the prior art, and screwed union 603 back that links to each other with the two-phase alternating current source in the external world links to each other with dc source 10 by two leads that are installed in lamp holder 6.
The Lights section is the light source board 2 that led chip 9 is installed, and light source board 2 is installed on the heat transfer base plate 3 of heat transfer part, and light source board 2 is installed 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 the light source board 2, heat transfer base plate 3 and the installing hole 503 on the outer radiator 5 can be installed in light source board 2 and heat transfer base plate 3 on the outer radiator 5 with three screws 7 for the position is consistent.The plane that the outer heat sink end face 5021 of all outer fin 502 forms on the outer radiator 5 is used to install heat transfer base plate 3, the cross section of heat transfer base plate 3 installs between heat transfer base plate 3 back heat transfer base plates 3 and hollow rotary support 501 and each the outer fin 502 and forms air inlet less than the area of the heat transfer port of hollow rotary support 501.
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 supports 501 on the outer radiator 5 again, outer fin 502 and hollow rotary support 501 conduct heat to by the air in the airspace of outer radiator 5 and inner radiator 4, hot-air in the airspace is dispersed in the atmosphere by the ventilating opening on the lamp holder 6 6061 again, the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5, and slit supplements cold in airspace constantly arranged between all outer fin 502 on the outer radiator 5.
The dc source 10 of power unit is installed in the hollow cylinder supporter 402 of inner radiator 4, seal filling with heat conductive silica gel between the hollow cylinder supporter 402 of dc source 10 and inner radiator 4, 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 fin 401 in all that link to each other with hollow cylinder supporter 402 again, the heat of dc source 10 is transmitted at last by outer radiator 5 and inner radiator 4 and forms air in the airspace, in the airspace hot-air be dispersed in the atmosphere the hollow rotary support 501 heat transfer ports of heat transfer base plate 3 and outer radiator 5 again by the ventilating opening on the lamp holder 6 6061, and slit supplements cold in airspace constantly arranged between all outer fin 502 on the outer radiator 5.
Claims (18)
1. outer radiator that is used for the LED bulb lamp is characterized in that: described outer radiator (5) comprises hollow rotary support (501) and is evenly distributed on outer fin (502) in the described hollow rotary support (501); All outer fin (502) in the described outer radiator (5) are that the center of circle is on the supporter inner surface (5012) that divergent shape is distributed in hollow rotary support (501) with the centre of gyration of hollow rotary support (501); All outer fin (502) in the described outer radiator (5) are that axis forms cylindrical cavity (504) with the gyroaxis of hollow rotary support (501); All outer fin (502) in the described outer radiator (5) have certain space each other.
2. the outer radiator that is used for the LED bulb lamp according to claim 1 is characterized in that: the outer heat sink end face (5021) that described outer radiator (5) is gone up all outer fin (502) all is on the plane.
3. the outer radiator that is used for the LED bulb lamp according to claim 1 is characterized in that: described hollow rotary support (501) be shaped as the hyperbola revolving body.
4. the outer radiator that is used for the LED bulb lamp according to claim 3 is characterized in that: on any three uniform outer fin (502) installing hole (503) parallel with the centre of gyration of hollow rotary support (501) arranged in the described outer radiator (5).
5. the outer radiator that is used for the LED bulb lamp according to claim 1 is characterized in that: the outer fin lamp holder end face (5024) that described outer radiator (5) is gone up all outer fin (502) is all in the inboard of hollow rotary support (501) lamp holder port.
6. the outer radiator that is used for the LED bulb lamp according to claim 1 is characterized in that: the outer heat sink end face (5021) that described outer radiator (5) is gone up all outer fin (502) is all in the inboard of hollow rotary support (501) heat transfer port.
7. inner radiator that is used for the LED bulb lamp is characterized in that: described inner radiator (4) comprises hollow cylinder supporter (402) and is evenly distributed on interior fin (401) on the described hollow cylinder supporter (402); Fin (401) is that the center of circle is on the inner supporting body outer surface (4023) that divergent shape is distributed in hollow cylinder supporter (402) with the centre of gyration of hollow cylinder supporter (402) on the described inner radiator (4) all.
8. the inner radiator that is used for the LED bulb lamp according to claim 7 is characterized in that: the radius of described hollow cylinder supporter (402) is less than the radius according to cylindrical cavity (504) in the outer radiator (5) of claim 1-6.
9. the inner radiator that is used for the LED bulb lamp according to claim 7 is characterized in that: 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 the described inner radiator (4).
10. the inner radiator that is used for the LED bulb lamp according to claim 7 is characterized in that: all interior heat sink end faces (4011) are in same plane with the inner supporting body heat absorption end face (4021) of hollow cylinder supporter (402) in the described inner radiator (4).
11. a lamp holder that is used for the LED bulb lamp is characterized in that: described lamp holder (6) comprises ventilative portion (606), dustproof portion (604), connecting portion (601), screwed union (603); Link together by connecting portion (601) between described ventilative portion (606) and the dustproof portion (604), between described ventilative portion (606) and the dustproof portion (604) annular groove (602) is arranged; In the described ventilative portion (606) with the corresponding part of annular groove (602) ventilating opening (6061) that distributing.
12. the lamp holder that is used for the LED bulb lamp according to claim 11 is characterized in that: an endoporus (6062) that is used to settle power line is arranged in the ventilative portion (606) of described lamp holder (6), dustproof portion (604) and the connecting portion (601).
13. LED bulb lamp that uses the described outer radiator of above claim, inner radiator and lamp holder, it is characterized in that: hollow rotary support (501) the lamp holder port of described outer radiator (5) links to each other with described lamp holder (6), hollow cylinder supporter (402) the lamp holder port of described inner radiator (4) links to each other with described lamp holder (6), and hollow rotary support (501) the heat transfer port of described outer radiator (5) links to each other with the heat transfer base plate (3) that light source board (2) is installed; Described inner radiator (4) is installed in the inside of described outer radiator (5), and the outer fin (502) in the described outer radiator (5) is crisscross arranged each other with the interior fin (401) of described inner radiator (4).
14. LED bulb lamp according to claim 13 is characterized in that: the inner supporting body of the interior heat sink end face (4011) of all interior fin (401) and hollow cylinder supporter (402) heat absorption end face (4021) does not all contact with the heat-transfer area (303) of heat transfer base plate (3) in the described inner radiator (4).
15. LED bulb lamp according to claim 13 is characterized in that: hollow rotary support (501) the heat transfer port of described heat transfer base plate (3) and described outer radiator (5) and outer radiator (5) are gone up between all outer fin (502) the slit.
16. LED bulb lamp according to claim 13 is characterized in that: 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 the described outer radiator (5).
17., it is characterized in that: the airspace that is formed by described outer radiator (5) and described inner radiator (4) is arranged in the described LED bulb lamp according to the described LED bulb lamp of claim 13-16.
18. LED bulb lamp according to claim 17 is characterized in that: described 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 |
|---|---|---|---|
| CN201310134214.3A CN103216803B (en) | 2013-04-03 | 2013-04-03 | LED (Light-Emitting Diode) bulb lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310134214.3A CN103216803B (en) | 2013-04-03 | 2013-04-03 | LED (Light-Emitting Diode) bulb lamp |
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| Publication Number | Publication Date |
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| CN103216803A true CN103216803A (en) | 2013-07-24 |
| CN103216803B CN103216803B (en) | 2014-08-06 |
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| CN201310134214.3A Expired - Fee Related CN103216803B (en) | 2013-04-03 | 2013-04-03 | LED (Light-Emitting Diode) bulb lamp |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133635Y (en) * | 2007-11-28 | 2008-10-15 | 讯凯国际股份有限公司 | Radiation structure and lamp possessing the radiation structure |
| CN102095098A (en) * | 2009-11-09 | 2011-06-15 | Lg伊诺特有限公司 | Lighting device |
| CN102537700A (en) * | 2010-12-27 | 2012-07-04 | 富准精密工业(深圳)有限公司 | LED (light-emitting diode) lamp bulb |
| CN203533232U (en) * | 2013-04-03 | 2014-04-09 | 大连三维传热技术有限公司 | External radiator, internal radiator and LED bulb lamp |
-
2013
- 2013-04-03 CN CN201310134214.3A patent/CN103216803B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201133635Y (en) * | 2007-11-28 | 2008-10-15 | 讯凯国际股份有限公司 | Radiation structure and lamp possessing the radiation structure |
| CN102095098A (en) * | 2009-11-09 | 2011-06-15 | Lg伊诺特有限公司 | Lighting device |
| CN102537700A (en) * | 2010-12-27 | 2012-07-04 | 富准精密工业(深圳)有限公司 | LED (light-emitting diode) lamp bulb |
| CN203533232U (en) * | 2013-04-03 | 2014-04-09 | 大连三维传热技术有限公司 | External radiator, internal radiator and LED bulb lamp |
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| CN103216803B (en) | 2014-08-06 |
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Effective date of registration: 20140715 Address after: 116600 No. 11, Optics Valley Road, Dalian economic and Technological Development Zone, Liaoning, 2-1 Applicant after: Dalian Sanwei Heat Transfer Technology Co., Ltd. Applicant after: Dalian Termalway Technology Co., Ltd. Address before: 2 2-1 East, 11 Optics Valley Road, Dalian Development Zone, Liaoning 116600, China Applicant before: Dalian Sanwei Heat Transfer Technology Co., Ltd. |
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