CN203500899U - LED tube - Google Patents
LED tube Download PDFInfo
- Publication number
- CN203500899U CN203500899U CN201320591603.4U CN201320591603U CN203500899U CN 203500899 U CN203500899 U CN 203500899U CN 201320591603 U CN201320591603 U CN 201320591603U CN 203500899 U CN203500899 U CN 203500899U
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- heat
- fluorescent tube
- draw
- groove
- conducting part
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model discloses an LED tube. The LED tube comprises a lamp housing, a substrate disposed in the lamp housing and provided with an integrally packaged LED lamp bead on one surface, and a heat-conducting pedestal comprising a main body and two heat-conducting parts respectively disposed at two sides of the main body. Each heat-conducting part is provided with a winged edge folding towards the main body from one side portion of the main body, a clamping groove is formed between each winged edge and the corresponding heat-conducting part, and openings of the two clamping grooves are opposite; the substrate is clamped between the clamping grooves; at least one end portion of each heat-conducting part is provided with a screw hole extending along the length direction, the two screw holes are corresponded to the clamping grooves one by one and used for being inserted with screws, and the hole diameter of each screw hole is slightly less than the diameter of each screw; and a weak part is disposed between each winged edge and the corresponding heat-conducting part and used for deforming each winged edge relative to the corresponding heat-conducting part, and when the screws are respectively inserted into the screw holes, the groove width of each clamping groove at the opening position is increased to clamp the substrate into the clamping grooves. The LED tube provided by the utility model is good in heat dissipation capability and convenient to assemble.
Description
Technical field
the utility model relates to a kind of LED fluorescent tube.
Background technology
lED (Light Emitting Diode), is a kind of solid-state semiconductor devices, and it can directly be converted into light electricity.
fluorescent tube on market mainly contains following several:
1, with reference to the fluorescent tube shown in accompanying drawing 1, its lamp housing comprises aluminium matter lamp socket and PC lampshade, the cross section of aluminium matter lamp socket is roughly the semicircle of sealing, LED substrate attaches and is arranged in the plane of aluminium matter lamp socket, and the shortcoming of this structure is: the poor sealing of (1), lamp socket and lampshade junction, non-watertight; (2), aluminium matter lamp socket is conducting metal, easily get an electric shock, so the Power Management Design of fluorescent tube must consider how to prevent to get an electric shock, comparatively complicated; (3), aluminium weight is larger, fluorescent tube integral body is heavier; (4), light source is positioned at the center of fluorescent tube, the power of the single LEDs using must be less, otherwise the light that fluorescent tube sends is inhomogeneous, in the time of therefore will designing the fluorescent tube of certain wattage, required LED number is more;
2, with reference to the fluorescent tube shown in accompanying drawing 2, lamp housing is the overall plastic lamp housing of PC, it comprises the lampshade of being made by printing opacity PC, the lamp socket of being made by light tight PC, on lamp housing, be provided with buckle, the two ends of LED substrate are fastened on fluorescent tube by buckle, although this structure has solved the damp proof insulation problem of the first fluorescent tube, but still there is following shortcoming: the lamp housing material under (1), LED substrate is PC, heat dispersion is poor, causes accumulated heat, easily causes the light decay of LED; (2), light source is positioned at the center of fluorescent tube, the power of the single LEDs using must be less, otherwise the light that fluorescent tube sends is inhomogeneous, in the time of therefore will designing the fluorescent tube of certain wattage, required LED number is more;
3, with reference to the fluorescent tube shown in accompanying drawing 3, lamp housing is the overall plastic lamp housing of PC, it comprises the lampshade of being made by printing opacity PC, the lamp socket of being made by light tight PC, on lamp housing, be provided with two relative projections, the two ends of one aluminium section bar part are fastened on projection above to insert in fluorescent tube, and LED lamp bar is attached on aluminium section bar part, and it is provided with aluminium section bar between lamp housing and LED substrate, although this structure has certain heat-sinking capability, still there is following shortcoming: heat-sinking capability still poor, lamp bar is installed inconvenient.
Utility model content
for the problems referred to above, the purpose of this utility model is to provide a kind of LED fluorescent tube, and its heat-sinking capability is good, easy to assembly.
for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
a LED fluorescent tube, it comprises:
lamp housing;
substrate, it is arranged in described lamp housing and on surface, is provided with the LED lamp pearl of integration packaging;
heat conducting base, it is arranged in described lamp housing and extends along the length direction of lamp housing, described heat conducting base comprises body, be separately positioned on two heat-conducting parts of described body both sides, each heat-conducting part and envelope inner wall fit and extend upward along envelope inner wall, each heat-conducting part has respectively a wing limit turning down towards body from body sidepiece, the opening that is formed with respectively draw-in groove and two draw-in grooves between two wing limits and heat-conducting part is relative, substrate card be located in described draw-in groove and LED lamp pearl between two draw-in grooves and towards the center of lamp housing, on at least one end of described heat-conducting part, offer along its length extend and with described draw-in groove two screw holes one to one mutually, each draw-in groove is connected with a screw hole respectively, described screw hole is slightly less than the diameter of screw for inserting the aperture of screw and screw hole, the length of draw-in groove be greater than screw hole for inserting the length of screw, wing limit between described wing limit and heat-conducting part, there is a weak point so that can produce deformation by relative heat-conducting part, when screw inserts described screw hole, described draw-in groove increases so that described substrate snaps in draw-in groove in the groove width of opening part.
preferably, the lampshade that described lamp housing comprises lamp socket, joins and LED lamp pearl is covered with described lamp socket, described lampshade is being formed with respectively buckle with lamp socket joint, and described buckle has the opening towards lamp socket, and described heat conducting base is arranged on lamp socket and its heat-conducting part and the clamping of buckle phase.
more preferably, described lamp socket is made by heat conduction composite plastic, and heat conduction composite plastic comprises plastic substrate and be dispersed in the inorganic filler in plastic substrate with sub-micron grade to nano-grade size, and the diameter of described inorganic filler is 10
-10
～10
-6
rice.
further, thermal conductivity factor is between 1-10W/mK.
preferably, described lampshade is made by Merlon (PC).Lampshade also can be made by the light transmission engineering plastics except PC.
preferably, described body is towards the slightly protruding center to lamp housing, surperficial middle part of substrate one side.
preferably, in the cross section of described heat-conducting part, the lateral wall of heat-conducting part is the circular arc matching with envelope inner wall substantially.
preferably, this LED fluorescent tube comprises the end cap that is positioned at fluorescent tube length direction two ends, on described end cap, offer first through hole corresponding with described screw hole and substrate and penetrate the second through hole in lamp housing, screw passes through hole, screw hole successively so that end cap is connected with heat conducting base.
preferably, one or more in aluminium, copper, magnesium, zinc, aluminium alloy, copper alloy, magnesium alloy, kirsite of described heat conducting base are made.
the utility model adopts above structure, and tool has the following advantages compared to existing technology:
1, the end of establishing the draw-in groove of substrate at card offers the screw hole being connected, when screw penetrates after screw hole, the end of draw-in groove is softened, the groove width of draw-in groove opening part is greater than the thickness of substrate, can easily substrate be inserted in draw-in groove opening substrate card is located in the draw-in groove of heat conducting base, it is easy to assembling;
2, the heat-conducting part of pedestal and lamp socket close contact, heat-conducting effect is better, and LED lamp pearl setting position is lower, from lamp socket more close to, fluorescent tube radiating effect is better and light-emitting area is larger.
Accompanying drawing explanation
accompanying drawing 1 is the structural representation of the first LED fluorescent tube of the prior art;
accompanying drawing 2 is the structural representation of the second LED fluorescent tube of the prior art;
accompanying drawing 2 is the structural representation of the third LED fluorescent tube of the prior art;
accompanying drawing 4 is structural representation of the present utility model.
wherein: 1, substrate; 11, LED lamp pearl; 2, heat conducting base; 21, body; 22, heat-conducting part; 23, wing limit; 24, draw-in groove; 25, screw hole; 26, weak point; 3, lamp socket; 4, lampshade; 41, buckle.
The specific embodiment
below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be those skilled in the art will recognize that, protection domain of the present utility model is made to more explicit defining.
a LED fluorescent tube, it comprises:
lamp housing, the lampshade 4 that it comprises lamp socket 3, joins and LED lamp pearl 11 is covered with described lamp socket 3;
heat conducting base 2, it is arranged in described lamp housing and extends along the length direction of lamp housing, described heat conducting base 2 comprises body 21, be separately positioned on two heat-conducting parts 22 of described body 21 both sides (left and right sides of paper in accompanying drawing 4), each heat-conducting part 22 fits with envelope inner wall and extends upward along envelope inner wall court, the top of each heat-conducting part 22 has respectively a wing limit 23 towards body 21 turnovers, the opening that is formed with respectively draw-in groove 24 and two draw-in grooves 24 between two wing limits 23 and heat-conducting part 22 is relative, substrate 1 be fastened in described draw-in groove 24 and LED lamp pearl 11 between two draw-in grooves 24 and towards the center of lamp housing, on at least one end of described body 21, offer along its length extend and with described draw-in groove 24 two screw holes 25 one to one mutually, each draw-in groove 24 is connected with a screw hole 25 respectively, described screw hole 25 is slightly less than the diameter of screw for inserting the aperture of screw and screw hole 25, the length of draw-in groove 24 be greater than screw hole 25 for inserting the length of screw, wing limit 23 between described wing limit 23 and heat-conducting part 22, there is a weak point 26 so that can produce deformation by relative heat-conducting part 22, when screw inserts described screw hole 25, described draw-in groove 24 increases so that described substrate 1 snaps in draw-in groove 24 in the groove width of opening part.The length direction of mentioning in the present embodiment refer in accompanying drawing in perpendicular to the direction of paper.
described lampshade 4 is being formed with respectively buckle 41 with lamp socket 3 joints, and described buckle 41 has the opening towards lamp socket 3, and described heat conducting base 2 is arranged on lamp socket 3 and the end of its heat-conducting part 22 and buckle 41 phase clampings.
described lamp socket 3 is made by heat conduction composite plastic, and heat conduction composite plastic comprises plastic substrate and is dispersed in the inorganic filler in plastic substrate with sub-micron grade to nano-grade size.Particularly, this heat conduction composite plastic is preferably nano composite plastics, compare with traditional composite, plastic substrate and inorganic filler at sub-micron grade to compound in nanometer range, interfacial area between two-phase is very large, and the chemical bond between Presence of an interface forms excellent cohesive force, can eliminate the mutually unmatched problem of organic/inorganic, form diverse characteristic and manifest.
surface by nano level material can be large, easily low-surface-energy can fall in reunion, eliminate surface charge, weaken surface polarity, with surface coverage modification, mechanochemical modification, theca externa modification, Topically active modification, high-energy surface modification, utilize precipitation reaction surface modification.Therefore this composite plastic has heat resistance raising; Thermal diffusivity significantly improves; Air-breathing property and hygroscopicity are lower; The advantages such as the size coefficient of expansion is lower.
the diameter of described inorganic filler is 10
-10
～10
-6
rice.
the thermal conductivity factor of described heat conduction composite plastic is between 1-10W/mK.
the plastic substrate of composite plastic can be in polyamide-based (PA), PET series (PET), epoxy resin (Epoxy Resin), polyimides system (PI), polyphenylene sulfide system (PPS) a kind of.The inorganic filler of composite plastic is a kind of in carbon element, oxide based, nitride based, hydroxide system.The lamp socket 2 of being made by nano composite plastics has good thermal diffusivity.
described lampshade 4 is made by Merlon (PC).PC is the amorphous polymer of almost colourless glassy state, has well optical and good hydrolytic resistance.Lampshade 4 forms integrated structure with lamp socket 3 by integrated extrusion molding, and combination between them is tight, sealing is good.Therefore the fluorescent tube that has lampshade 4 and lamp socket 3 to form has good water resistance.Because the composite plastic of lamp socket 3 is the same as with lampshade 4 being made of plastics, thereby they can adopt extrusion molding one-shot forming.Lampshade also can be made by the light transmission engineering plastics except PC.
described body 21 is towards the slightly protruding center to lamp housing, surperficial middle part of substrate 1 one sides.So that contacting of the upper surface of substrate 1 bottom and body 21 is more tight, make the air between the two the least possible, thereby be beneficial to the heat that LED lamp pearl 11 is produced, conduct to quickly lamp socket 3 and dispel the heat quickly.
in the cross section of described heat-conducting part 22, the lateral wall of heat-conducting part 22 is the circular arc matching with envelope inner wall substantially.Further to increase the contact area of heat-conducting part 22 and lamp housing, be more conducive to heat conduction, get to the object of very fast heat radiation.Cross section herein refers to the cross section perpendicular to heat-conducting part length direction, corresponding to the cross section shown in accompanying drawing 4.
this LED fluorescent tube comprises the end cap that is positioned at fluorescent tube length direction two ends, on described end cap, offer the through hole corresponding with described screw hole 25 and substrate 1 and penetrate the second through hole in lamp housing, the shape of the shape of the second through hole and substrate 1 matches, and screw passes through hole, screw hole 25 successively so that end cap is connected with heat conducting base 2.In locking end cap, screw hole 25 is stretched, and weak point 26 receives that the thrust that screw makes progress produces deformation, and the distance between wing limit 23 ends and body 21 is increased, be that the groove width that draw-in groove 24 removes at opening increases, substrate 1 can be aimed at easily and snap in a pair of draw-in groove 24 that opening is relative.
one or more in aluminium, copper, magnesium, zinc, aluminium alloy, copper alloy, magnesium alloy, kirsite of described heat conducting base are made.
the utility model adopts above structure, tool has the following advantages compared to existing technology: the end of establishing the draw-in groove of substrate at card offers the screw hole being connected, when screw penetrates after screw hole, the end of draw-in groove is softened, the groove width of draw-in groove opening part is greater than the thickness of substrate, can easily substrate be inserted in draw-in groove opening substrate card is located in the draw-in groove of heat conducting base, it is easy to assembling; Heat conducting base has the heat-conducting part being adjacent to mutually with lamp socket, has increased the contact area with lamp housing, and the heat that is more conducive to LED lamp pearl to produce conducts and is distributed to outside lamp housing; The heat-conducting part of LED substrate towards lamp housing center, extend and LED lamp pearl between two heat-conducting parts bottoms, it is lower that its light source position arranges, thus its light-emitting area is larger and from lamp socket more close to, radiating effect is better.
the lamp housing of addressing in the utility model and the length direction of body are perpendicular to the direction of paper in accompanying drawing 1.The heat conduction composite plastic of mentioning in the utility model refers to and inorganic filler is dispersed in to the heat-conductive composite material forming in plastic substrate with sub-micron grade to nano-grade size, and the diameter of inorganic filler is wherein 10
-10
～10
-6
rice.
above-described embodiment is only explanation technical conceive of the present utility model and feature; it is a kind of preferred embodiment; its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to Spirit Essence of the present utility model change or modify, within all should being encompassed in protection domain of the present utility model.
Claims (9)
1. a LED fluorescent tube, is characterized in that, it comprises:
Lamp housing;
Substrate, it is arranged in described lamp housing and on surface, is provided with the LED lamp pearl of integration packaging;
Heat conducting base, it is arranged in described lamp housing and extends along the length direction of lamp housing, described heat conducting base comprises body, be separately positioned on two heat-conducting parts of described body both sides, each heat-conducting part and envelope inner wall fit and extend upward along envelope inner wall, each heat-conducting part has respectively a wing limit turning down towards body from body sidepiece, the opening that is formed with respectively draw-in groove and two draw-in grooves between two wing limits and heat-conducting part is relative, substrate card be located in described draw-in groove and LED lamp pearl between two draw-in grooves and towards the center of lamp housing, on at least one end of described heat-conducting part, offer along its length extend and with described draw-in groove two screw holes one to one mutually, each draw-in groove is connected with a screw hole respectively, described screw hole is slightly less than the diameter of screw for inserting the aperture of screw and screw hole, the length of draw-in groove be greater than screw hole for inserting the length of screw, wing limit between described wing limit and heat-conducting part, there is a weak point so that can produce deformation by relative heat-conducting part, when screw inserts described screw hole, described draw-in groove increases so that described substrate snaps in draw-in groove in the groove width of opening part.
2. LED fluorescent tube according to claim 1, it is characterized in that: the lampshade that described lamp housing comprises lamp socket, joins and LED lamp pearl is covered with described lamp socket, described lampshade is being formed with respectively buckle with lamp socket joint, described buckle has the opening towards lamp socket, and described heat conducting base is arranged on lamp socket and its heat-conducting part and the clamping of buckle phase.
3. LED fluorescent tube according to claim 2, is characterized in that: described lamp socket is made by heat conduction composite plastic.
4. LED fluorescent tube according to claim 3, is characterized in that: the thermal conductivity factor of described heat conduction composite plastic is between 1-10W/mK.
5. LED fluorescent tube according to claim 2, is characterized in that: described lampshade is made by Merlon.
6. LED fluorescent tube according to claim 1, is characterized in that: described body is towards the slightly protruding center to lamp housing, surperficial middle part of substrate one side.
7. LED fluorescent tube according to claim 1, is characterized in that: in the cross section of described heat-conducting part, the lateral wall of heat-conducting part is the circular arc matching with envelope inner wall substantially.
8. LED fluorescent tube according to claim 1, it is characterized in that: this LED fluorescent tube comprises the end cap that is positioned at fluorescent tube length direction two ends, on described end cap, offer first through hole corresponding with described screw hole and substrate and penetrate the second through hole in lamp housing, screw passes through hole, screw hole successively so that end cap is connected with heat conducting base.
9. LED fluorescent tube according to claim 1, is characterized in that: one or more in aluminium, copper, magnesium, zinc, aluminium alloy, copper alloy, magnesium alloy, kirsite of described heat conducting base are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591603.4U CN203500899U (en) | 2013-09-25 | 2013-09-25 | LED tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320591603.4U CN203500899U (en) | 2013-09-25 | 2013-09-25 | LED tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203500899U true CN203500899U (en) | 2014-03-26 |
Family
ID=50331875
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320591603.4U Withdrawn - After Issue CN203500899U (en) | 2013-09-25 | 2013-09-25 | LED tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203500899U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511889A (en) * | 2013-09-25 | 2014-01-15 | 苏州东亚欣业节能照明有限公司 | Led lamp tube |
| CN110864267A (en) * | 2019-10-29 | 2020-03-06 | 佛山市谆诚五金有限公司 | Novel lamp holder elastic sheet |
| CN111520664A (en) * | 2020-05-27 | 2020-08-11 | 浙江台谊消防设备有限公司 | Assembled fire emergency lighting lamps and lanterns |
-
2013
- 2013-09-25 CN CN201320591603.4U patent/CN203500899U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103511889A (en) * | 2013-09-25 | 2014-01-15 | 苏州东亚欣业节能照明有限公司 | Led lamp tube |
| CN103511889B (en) * | 2013-09-25 | 2016-03-09 | 苏州东亚欣业节能照明有限公司 | Led lamp tube |
| CN110864267A (en) * | 2019-10-29 | 2020-03-06 | 佛山市谆诚五金有限公司 | Novel lamp holder elastic sheet |
| CN111520664A (en) * | 2020-05-27 | 2020-08-11 | 浙江台谊消防设备有限公司 | Assembled fire emergency lighting lamps and lanterns |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160309 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140326 Effective date of abandoning: 20160309 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |