CN102980052A - Heat-dissipation structure of light-emitting diode (LED) daylight lamp - Google Patents
Heat-dissipation structure of light-emitting diode (LED) daylight lamp Download PDFInfo
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- CN102980052A CN102980052A CN2011102626637A CN201110262663A CN102980052A CN 102980052 A CN102980052 A CN 102980052A CN 2011102626637 A CN2011102626637 A CN 2011102626637A CN 201110262663 A CN201110262663 A CN 201110262663A CN 102980052 A CN102980052 A CN 102980052A
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Abstract
The invention relates to a heat-dissipation structure of a light-emitting diode (LED) daylight lamp. A metal heat-dissipation inner sleeve is arranged inside a glass tube outer cover or a full-plastic tube outer cover, an LED lamp panel is fixedly connected with a lamp bead heat conductive plate and is placed on bulged strips of the metal heat-dissipation inner sleeve, and two sides of the lamp bead heat conductive plate are attached to two inner sides of the metal heat-dissipation inner sleeve. The outer wall of the metal heat-dissipation inner sleeve is attached to the inner wall of the tube outer cover, and therefore the heat-dissipation area of the lamp bead heat conductive plate is increased, the requirement for the temperature for the long service lives of LED beads is basically met, and an LED galvanostat is convenient to assemble. The heat-dissipation structure of the LED daylight lamp enables products to meet the international electrotechnical commission 60598 (IEC) standard requirement, avoids the phenomenon of electric shock, guarantees safe use of the LED daylight lamp, and enables the service life of the LED daylight lamp to be effectively guaranteed at the same time, thereby effectively promoting the development of the LED daylight lamp.
Description
Technical field
The present invention relates to lighting field, especially relate to a kind of radiator structure of LED fluorescent lamp.
Background technology
Existing LED fluorescent lamp is in order to solve the heat dissipation problem of lamp pearl, mostly be to adopt aluminium base to make the lamp plate material to add first and mould half aluminium fluorescent tube outer cover or partly mould half ribs of the fan shape radiator fluorescent tube outer cover, LED lamp pearl is played preferably thermolysis, but the aluminium base area is large, cost is high, the while exposed metal, for the LED fluorescent lamp that uses the above voltage of 36v, produce easily the electric shock phenomenon, safety is very difficult guaranteed, no matter be from the LED of ballast LED fluorescent lamp or external galvanostat fluorescent lamp, according to creep age distance and the electric clearance of IEC60598 standard-required, only have the LED fluorescent lamp of 36mm for maximum gauge, be to be beyond one's reach, thereby not only the actual safety of using is difficult to guarantee that the standard of LED fluorescent lamp also is difficult to formulate.How effectively reducing cost, solve the heat radiation of lamp pearl and product safety problem, is to promote the popular key of LED fluorescent lamp.
Summary of the invention
The purpose of this invention is to provide a kind of radiator structure that effectively solves the LED fluorescent lamp of the heat radiation of lamp pearl and product safety problem, it is in glass lamp outer cover or overall plastic fluorescent tube outer cover, the heat dissipation metal inner sleeve is set, the LED lamp plate is fixedly connected with lamp pearl heat-conducting plate, and be placed on the raised line of heat dissipation metal inner sleeve, lamp pearl heat-conducting plate both sides are attached to two inboards of heat dissipation metal inner sleeve, the mode that the inwall of heat radiation outer wall of inside race and fluorescent tube outer cover is affixed, at the area of dissipation that has increased lamp pearl plate, when substantially having satisfied the temperature requirement of LED lamp pearl long-life use, make the LED galvanostat easy to assembly.Not only make product meet the IEC60598 standard-required, avoid the generation of phenomenon of getting an electric shock, and when guaranteeing that the LED safe fluorescent-lamp uses, is effectively guaranteed the service life of LED fluorescent lamp, thereby effectively promotes the development of LED fluorescent lamp.
The objective of the invention is and can realize by following technical measures:
The heat dissipation metal inner sleeve is the circular-arc of opening, two inner side edges are respectively arranged with one or more than one raised lines, the outside dimension of heat dissipation metal inner sleeve circular arc is the internal diameter size of fluorescent tube outer cover, the LED lamp plate is fixedly connected with lamp pearl heat-conducting plate, and be placed on the raised line of heat dissipation metal inner sleeve setting, lamp pearl heat-conducting plate both sides are attached to two inboards of heat dissipation metal inner sleeve, and are placed on together the inner chamber of fluorescent tube outer cover, and the inwall of the outer wall of heat dissipation metal inner sleeve and fluorescent tube outer cover contacts with each other.
LED lamp plate, lamp pearl heat-conducting plate adopt the metal lamp plate to be integrated, and one or more lamp plate face are placed on the raised line of heat dissipation metal inner sleeve setting.
Also include the LED galvanostat, be placed on the hollow position of heat dissipation metal inner sleeve.
Increase fin on the heating element of LED galvanostat, fin and heat dissipation metal inner sleeve inwall contact with each other.
Lamp pearl heat-conducting plate is connected with the heat dissipation metal inner sleeve, form the closed circular-arc heat radiation inner sleeve of hollow, the lamp pearl heat-conducting plate of the circular-arc heat radiation inner sleeve of described hollow is provided with a groove or draw-in groove, lamp plate is embedded in this groove or the draw-in groove, and being placed on together the inner chamber of fluorescent tube outer cover, the inwall of the outer wall of described heat radiation inner sleeve and fluorescent tube outer cover contacts with each other.
Be provided with two above planes with groove or draw-in groove on the lamp pearl heat-conducting plate of the circular-arc heat radiation inner sleeve of described hollow, the LED lamp plate is embedded in this groove or the draw-in groove.
The hollow position of the circular-arc heat radiation inner sleeve of described hollow is provided with one or more than one radiating ribs.
In the middle of being arranged to, lamp pearl heat conducting sleeve is the bat shape of lamp pearl heat-conducting plate two sideband arcs, be provided with the groove of one or more on the lamp pearl heat-conducting plate, the lamp pearl pin of LED lamp plate or be placed in the groove with the metal substrate of lamp pearl, and put into together the inner chamber of fluorescent tube outer cover, the LED galvanostat is placed on the hollow position of lamp pearl heat conducting sleeve and the combination of fluorescent tube outer cover.
Described lamp pearl heat-conducting plate includes two or more, is provided with the metal substrate with LED lamp pearl on each face.
The outside dimension of the lamp pearl heat conducting sleeve both sides arc of bat shape is slightly less than the internal diameter size of fluorescent tube outer cover, contacts with each other with the inwall of fluorescent tube outer cover.
Compared with prior art, the present invention has following remarkable result:
1, by the heat dissipation metal inner sleeve is set, lamp pearl heat-conducting plate both sides are attached to two inboards of heat dissipation metal inner sleeve, the mode that the inwall of heat radiation outer wall of inside race and fluorescent tube outer cover is affixed, increased the area of dissipation of LED lamp pearl plate, can satisfy the temperature requirement of LED lamp pearl long-life use, is effectively guaranteed the service life of LED fluorescent lamp.
2, heat dissipation metal inner sleeve, lamp pearl heat-conducting plate separates, and makes the LED galvanostat easy to assembly, practical.
3, the metal LED lamp plate is embedded in the groove or draw-in groove of heat dissipation metal inner sleeve, has reduced the aluminium base area, has reduced significantly the cost of aluminium base.
4, adopt glass lamp shade or overall plastic lampshade, insulating properties are high, and the generation of the phenomenon of avoiding getting an electric shock has solved the potential safety hazard that exposed metal exists effectively, and certain facilitation is played in standard formulation.
5, heat dissipation metal inner cover rigidity is strong, places in the overall plastic lampshade, can not produce bending after overall plastic lampshade is heated and the phenomenon that falls down produces.
6, by multiaspect LED lamp pearl plate is set, solved the narrow problem of LED fluorescent lamp irradiating angle, lighting angle can reach 300 degree.
Description of drawings
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Fig. 1 is the embodiment of the invention 1 structural representation.
Fig. 2 is the embodiment of the invention 1 cross-sectional view.
Fig. 3 is the metal lamp plate cross-sectional view that the present invention is integrated.
Fig. 4 is that heat dissipation metal inner sleeve of the present invention is placed LED galvanostat cross-sectional view.
Fig. 5 is that galvanostat heater members of the present invention increases the fin cross-sectional view.
Fig. 6 is that heat dissipation metal inner sleeve of the present invention plane is provided with the groove cross-sectional view.
Fig. 7 is that heat dissipation metal inner sleeve of the present invention plane is provided with the draw-in groove cross-sectional view.
Fig. 8 places metal lamp plate cross-sectional view on three faces of heat dissipation metal inner sleeve of the present invention.
Fig. 9 is that heat dissipation metal inner sleeve of the present invention arranges the radiating ribs cross-sectional view.
Figure 10 is the embodiment of the invention 2 structural representations.
Figure 11 is the embodiment of the invention 2 cross-sectional view.
Figure 12 is the cross-sectional view that the embodiment of the invention 2 lamp pearl heat conducting sleeves are comprised of three faces.
The specific embodiment
Embodiment 1
Such as Fig. 1, shown in Figure 2, the present invention is by LED lamp plate 1, lamp pearl heat-conducting plate 2, heat dissipation metal inner sleeve 3, fluorescent tube outer cover 4, plug 5 forms, lamp pearl 6 is welded on the lamp plate 1, heat dissipation metal inner sleeve 3 is the circular-arc of opening, 3 liang of inner side edges of heat dissipation metal inner sleeve are respectively arranged with raised line 8, the outside dimension of heat dissipation metal inner sleeve 3 circular arcs is the internal diameter size of fluorescent tube outer cover 4, LED lamp plate 1 is fixedly connected with lamp pearl heat-conducting plate 2 by heat conductive silica gel 7, and be placed on the raised line 8 of heat dissipation metal inner sleeve 3 settings, lamp pearl heat-conducting plate 2 both sides are attached to 3 two inboards of heat dissipation metal inner sleeve, and be placed on together the inner chamber of fluorescent tube outer cover 4, the inwall of the outer wall of heat dissipation metal inner sleeve 3 and fluorescent tube outer cover 4 contacts with each other, and plug 5 is installed in the two ends of fluorescent tube outer cover 4.Because heat dissipation metal inner sleeve 3 is the circular-arc of opening, LED lamp plate 1 is fixedly connected with lamp pearl heat-conducting plate 2 by heat conductive silica gel 7, lamp pearl heat-conducting plate 2 both sides are attached to 3 two inboards of heat dissipation metal inner sleeve, LED lamp plate 1 distributes to the external world by lamp pearl heat-conducting plate 2, heat dissipation metal inner sleeve 3, fluorescent tube outer cover 4, both solved the heat dissipation problem of lamp pearl, guaranteed the long-life work of LED fluorescent lamp, the potential safety hazard of having avoided again exposed metal to exist effectively promotes the formulation of LED fluorescent lamp standard and product promotion to use.
Fig. 3 is that LED lamp plate, lamp pearl heat-conducting plate adopt metal lamp plate 9 to be integrated, and metal lamp plate 9 is placed on the raised line 8 of heat dissipation metal inner sleeve 3 settings, and other principle is the same with Fig. 1, Fig. 2.
Fig. 4 places LED galvanostat 10 at the hollow position of heat dissipation metal inner sleeve 3.
Fig. 5 is the LED fluorescent lamp for relatively high power, the heater element 11 of galvanostat 10 is warmmer, heater element 11 is by heat conductive silica gel 12, fin 13 and heat dissipation metal inner sleeve 3 inwall close contacts, the situation of disperseing its local pyrexia to concentrate, make 1 heating of LED lamp plate balanced, guaranteed that effectively making of LED fluorescent lamp takes the life-span.
Fig. 6 is that lamp pearl heat-conducting plate is connected with the heat dissipation metal inner sleeve, form the closed circular-arc heat radiation inner sleeve 14 of hollow, the lamp pearl heat-conducting plate 15 of the circular-arc heat radiation inner sleeve 14 of hollow is provided with a groove 16, lamp plate 17 is embedded on this groove 16, and being placed on together the inner chamber of fluorescent tube outer cover 18, the outer wall of heat radiation inner sleeve 14 and the inwall of fluorescent tube outer cover 18 contact with each other.LED fluorescent lamp cost is in two broad aspect, the one, LED lamp pearl, and the 2nd, metal substrate such as aluminium base, replaces large face metal substrate with the small size metal substrate, just can reduce greatly manufacturing cost.
As shown in Figure 7, have a clamp bar slot 21 on the plane 20 of heat dissipation metal inner sleeve 19, metal LED lamp plate 22 sticks on the draw-in groove 21 on heat radiation inner sleeve plane 19 by heat conductive silica gel 23, and other are the same with embodiment 1.
In order to have solved the narrow problem of LED fluorescent lamp irradiating angle, Fig. 8 is provided with three dimensions 25 with groove 26 in heat dissipation metal inner sleeve 24, and metal LED lamp plate 27 is embedded on this groove 26, and lighting angle can reach 300 degree, has fully satisfied user's demand.
Among Fig. 9, be provided with one or more than one radiating ribs 29 at heat dissipation metal inner sleeve 28 semicolumn hollow positions.Its objective is that area of dissipation is larger, make LED lamp pearl 27 radiating effects better.
Such as Figure 10, shown in Figure 11, by LED lamp plate 30, lamp pearl heat conducting sleeve 31, fluorescent tube outer cover 32, plug 33, LED galvanostat 34 forms, in the middle of being arranged to, lamp pearl heat conducting sleeve 31 is the bat shape of 35 liang of sideband arcs 36 of lamp pearl heat-conducting plate, be provided with the groove 37 of one or more on the lamp pearl heat-conducting plate 35, the lamp pearl pin 38 of LED lamp plate 30 is placed in the groove 37, and put into together the inner chamber of fluorescent tube outer cover 32, LED galvanostat 34 is placed on the hollow position of lamp pearl heat conducting sleeve 31 and 32 combinations of fluorescent tube outer cover, the outside dimension on the arc limit, lamp pearl heat conducting sleeve 31 both sides 36 of bat shape is slightly less than the internal diameter size of fluorescent tube outer cover 32, contacts with each other with the inwall of fluorescent tube outer cover 32.LED lamp plate 30 is fixed on the lamp pearl heat conducting sleeve 31 by heat conductive silica gel 39, be the bat shape on 35 liang of sideband arcs of lamp pearl heat-conducting plate limit 36 in the middle of the lamp pearl heat conducting sleeve 31, contact with each other with the inwall of fluorescent tube outer cover 32, the heat that produces when making lamp pearl 40 work distributes to the external world by lamp pearl heat conducting sleeve 31, lamp pearl heat conducting sleeve 31 both sides arcs 36, fluorescent tube outer cover 32 rapidly, LED lamp pearl good heat dissipation effect not only, the assembling of LED galvanostat is also convenient.
Be comprised of three faces 43 in the middle of the lamp pearl heat-conducting plate 42 of the lamp pearl heat conducting sleeve 41 of Figure 12 bat shape, be provided with the metal substrate 45 with LED lamp pearl 44 on each face, lighting angle can reach 300 degree, has fully satisfied user's demand.
Embodiments of the present invention are not limited to this; according to foregoing of the present invention; ordinary skill knowledge and customary means according to this area; do not breaking away under the above-mentioned basic fundamental thought of the present invention prerequisite; can also make modification, replacement or the change of other various ways, all drop within the rights protection scope of the present invention.
Claims (10)
1.LED fluorescent lamp heat radiation structure, include the LED lamp plate, lamp pearl heat-conducting plate, the heat dissipation metal inner sleeve, the fluorescent tube outer cover, plug, it is characterized in that the heat dissipation metal inner sleeve is the circular-arc of opening, two inner side edges are respectively arranged with one or more than one raised lines, the outside dimension of heat dissipation metal inner sleeve circular arc is the internal diameter size of fluorescent tube outer cover, the LED lamp plate is fixedly connected with lamp pearl heat-conducting plate, and be placed on the raised line of heat dissipation metal inner sleeve setting, lamp pearl heat-conducting plate both sides are attached to two inboards of heat dissipation metal inner sleeve, and being placed on together the inner chamber of fluorescent tube outer cover, the inwall of the outer wall of heat dissipation metal inner sleeve and fluorescent tube outer cover contacts with each other.
2. described LED fluorescent lamp heat radiation structure according to claim 1 is characterized in that LED lamp plate, lamp pearl heat-conducting plate adopt the metal lamp plate to be integrated, and one or more lamp plate face is placed on the raised line that the heat dissipation metal inner sleeve arranges.
3. described LED fluorescent lamp heat radiation structure according to claim 1 is characterized in that also including the LED galvanostat, is placed on the hollow position of heat dissipation metal inner sleeve.
4. described LED fluorescent lamp heat radiation structure according to claim 3 is characterized in that increasing fin at the heating element of described LED galvanostat, and fin and heat dissipation metal inner sleeve inwall contact with each other.
5. described LED fluorescent lamp heat radiation structure according to claim 1, it is characterized in that lamp pearl heat-conducting plate is connected with the heat dissipation metal inner sleeve, form the closed circular-arc heat radiation inner sleeve of hollow, the lamp pearl heat-conducting plate of the circular-arc heat radiation inner sleeve of described hollow is provided with a groove or draw-in groove, lamp plate is embedded in this groove or the draw-in groove, and being placed on together the inner chamber of fluorescent tube outer cover, the inwall of the outer wall of described heat radiation inner sleeve and fluorescent tube outer cover contacts with each other.
6. described LED fluorescent lamp heat radiation structure according to claim 5 is characterized in that being provided with on the lamp pearl heat-conducting plate of the circular-arc heat radiation inner sleeve of described hollow two above planes with groove or draw-in groove, and the LED lamp plate is embedded in this groove or the draw-in groove.
7. LED fluorescent lamp heat radiation structure according to claim 5 is characterized in that the hollow position of the circular-arc heat radiation inner sleeve of described hollow is provided with one or more than one radiating ribs.
8.LED fluorescent lamp heat radiation structure, include LED lamp plate, lamp pearl heat conducting sleeve, fluorescent tube outer cover, plug, LED galvanostat, it is characterized in that lamp pearl heat conducting sleeve is the bat shape on lamp pearl heat-conducting plate two sideband arc limits in the middle of being arranged to, be provided with the groove of one or more on the lamp pearl heat-conducting plate, the lamp pearl pin of LED lamp plate or be placed in the groove with the metal substrate of lamp pearl, and put into together the inner chamber of fluorescent tube outer cover, the LED galvanostat is placed on the hollow position of lamp pearl heat conducting sleeve and the combination of fluorescent tube outer cover.
9. described LED fluorescent lamp heat radiation structure according to claim 8 is characterized in that described lamp pearl heat-conducting plate includes two or more, is provided with the metal substrate with LED lamp pearl on each face.
10. LED fluorescent lamp heat radiation structure according to claim 8 is characterized in that the outside dimension of the lamp pearl heat conducting sleeve both sides circular arc of bat shape is slightly less than the internal diameter size of fluorescent tube outer cover, contacts with each other with the inwall of fluorescent tube outer cover.
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| CN2011102626637A CN102980052A (en) | 2011-09-06 | 2011-09-06 | Heat-dissipation structure of light-emitting diode (LED) daylight lamp |
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| CN2011102626637A CN102980052A (en) | 2011-09-06 | 2011-09-06 | Heat-dissipation structure of light-emitting diode (LED) daylight lamp |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453373A (en) * | 2013-09-19 | 2013-12-18 | 上虞远东照明有限公司 | LED lamp tube |
| CN104776339A (en) * | 2013-07-24 | 2015-07-15 | 瑞仪光电股份有限公司 | Lamp system and lamp thereof |
| CN104930364A (en) * | 2014-03-18 | 2015-09-23 | 赵依军 | Light source assembly and LED fluorescent lamp having same |
| CN105276462A (en) * | 2014-07-17 | 2016-01-27 | 付建中 | Light-emitting diode (LED) ceiling lamp capable of transferring and dissipating heat based on lampshade |
| CN106151967A (en) * | 2015-04-08 | 2016-11-23 | 苏州璨宇光学有限公司 | Illuminating module |
| WO2018205640A1 (en) * | 2017-05-10 | 2018-11-15 | 湖州明朔光电科技有限公司 | Lamp light source assembly, illumination assembly, and illumination lamp for road illumination |
| CN109654390A (en) * | 2018-11-27 | 2019-04-19 | 宁波凯耀电器制造有限公司 | The LED light and method of waterproof |
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| CN105276462A (en) * | 2014-07-17 | 2016-01-27 | 付建中 | Light-emitting diode (LED) ceiling lamp capable of transferring and dissipating heat based on lampshade |
| CN105276462B (en) * | 2014-07-17 | 2020-10-30 | 芜湖晶鑫光电照明有限公司 | LED ceiling lamp based on lamp shade conduction heat dissipation |
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| WO2018205640A1 (en) * | 2017-05-10 | 2018-11-15 | 湖州明朔光电科技有限公司 | Lamp light source assembly, illumination assembly, and illumination lamp for road illumination |
| CN109654390A (en) * | 2018-11-27 | 2019-04-19 | 宁波凯耀电器制造有限公司 | The LED light and method of waterproof |
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Application publication date: 20130320 |