CN103016984A - Light-emitting diode daylight lamp - Google Patents
Light-emitting diode daylight lamp Download PDFInfo
- Publication number
- CN103016984A CN103016984A CN2012105350572A CN201210535057A CN103016984A CN 103016984 A CN103016984 A CN 103016984A CN 2012105350572 A CN2012105350572 A CN 2012105350572A CN 201210535057 A CN201210535057 A CN 201210535057A CN 103016984 A CN103016984 A CN 103016984A
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- fluorescent tube
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- fluorescent
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Abstract
The invention discloses a light-emitting diode daylight lamp (LED). The technical problem to be solved is to reduce the manufacturing cost. The LED comprises a lamp tube and a circuit board strip arranged in the lamp tube and provided with an LED bead, wherein the circuit board strip is fixedly connected with the inner wall of the lamp tube through a fixing layer in the way that the curvature in the width direction of the circuit board strip is the same as the peripheral curvature of the inner wall of the lamp tube. The circuit board strip is directly fixed on the inner wall of the lamp tube through the fixing layer, a metal bracket used for fixing the circuit board strip in the light-emitting diode daylight lamp in the prior art is eliminated, the manufacturing cost of the light-emitting diode daylight lamp is greatly reduced, and the radiation effect of the daylight lamp can also be improved when a bonding layer with good heat conducting property serves as the fixing layer. According to the light-emitting diode daylight lamp, reflecting film layers are arranged on the inner and outer wall of the lamp tube so that light emitted by an LED light source to the back of the lamp tube is reflected to be fully used. Therefore, the illumination brightness of the daylight lamp is correspondingly increased. A radiating sheet is additionally arranged outside the tube, so that the radiating effect of the lamp tube is further improved.
Description
Technical field
The present invention relates to a kind of fluorescent lamp, particularly the assembly structure of a kind of light-emitting diode component in fluorescent tube.
Background technology
Along with the fast development of science and technology, what have the advantages such as energy-saving and environmental protection, highlighted and life-span are long more and more is subject to liking of consumer take the LED light emitting source as main illuminating device.
As shown in Figure 1, LED fluorescent lamp of the prior art is by glass lamp 1, is arranged at luminescence component in the fluorescent tube 1 and the plug that is provided with driver that is electrically connected with described luminescence component of lamp tube ends consists of.Luminescence component comprise by made from aluminium profile from fluorescent tube one end be extended down to the other end support 11, be fixed on the circuit lath 2 along the axially extended LED of the being equipped with lamp of fluorescent tube pearl 21 on this support.Described support 11 shape of cross sections are arc less than semicircle, and the arch section that this is arc and fluorescent tube 1 inwall join, and its string shape part is towards fluorescent tube 1 center of circle, and the mode of circuit lath 2 towards the center of circle of the described LED of being equipped with lamp pearl 21 is fixed in the surface of this string shape part.This structure has the following disadvantages:
1) every fluorescent lamp need dispose a support suitable with fluorescent tube length, and manufacturing cost is higher.
2) because the obstruct of support, be in the LED illuminating source in fluorescent tube inner sealing space when work, the heat heat radiation approach that produces is to reach support through circuit board, reached by support again and distribute in space outerpace by the tube glass wall, such radiating mode, through 2 conductive thermal exchange layers, thermal resistance is larger.
Summary of the invention
The purpose of this invention is to provide a kind of luminous diode lamp fluorescent lamp, the technical problem that solve is to reduce manufacturing cost.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is:
Luminous diode lamp fluorescent lamp of the present invention, comprise fluorescent tube and place in the fluorescent tube have at least one row LED lamp pearl along the axially extended circuit lath of fluorescent tube, described LED lamp pearl is electrically connected with external circuit by the circuit lath, and described circuit lath is fixedly connected with tube inner wall by fixed bed in the mode identical with the tube inner wall circumferential curvature on its width.
Described fixed bed is the heat conduction adhesive linkage.
Described heat conduction adhesive linkage is heat-conducting glue, and it is silicon cave class, esters of acrylic acid or epoxy resin.
Described heat conduction adhesive linkage comprises aluminium foil layer, thin aluminium lamination, copper sheet layer or is mixed with the fibrage of heat-conducting glue material, described aluminium foil layer, thin aluminium lamination, copper sheet layer or to be mixed with the fibrage front of heat-conducting glue material bonding by heat-conducting glue and circuit lath, its back side is bonding by heat-conducting glue and tube inner wall.
Be provided with reflexed light film being positioned at tube inner wall corresponding to the described circuit lath back side, should be made as continuous rete or be interrupted rete at the tube inner wall circumferencial direction by interior reflexed light film, described continuous rete be by a side of described circuit lath through the back side of circuit lath to its opposite side, its length along the tube inner wall circumferencial direction is 1/3-1/2 of tube inner wall circumference; Described interruption rete is two sections both sides that lay respectively at described circuit lath, and the interruption rete of every side is 1,6-1 4 of inner circumferential length along the length of tube inner wall circumferencial direction.
The tube inner wall that is not provided with interior reflexed light film is the inwall of frosted layer.
Zone corresponding with described circuit lath on described tube outer wall is provided with outer reflexed light film, this outer reflexed light film also covers this projection greater than the length that described circuit lath radially is projected on the tube outer wall circumferencial direction along the length of tube outer wall circumferencial direction, and this outer reflexed light film is 1 4-1/2 of excircle length along the length of tube outer wall circumferencial direction.
Be close to described outer reflexed light film at described tube outer wall and be provided with fin.
Described interior reflexed light film, outer reflexed light film are electrodeposited coating, sprayed coating, vacuum-coating or aluminium foil layer.
Described circuit lath is made by aluminum base PCB, flexible PCB or glass PCB.
Compared with prior art, LED fluorescent lamp of the present invention adopts and will directly this circuit lath be fixed on structure on the tube inner wall by fixed bed with the led circuit lath of tube inner wall same curvature, omitted in the prior art in the LED fluorescent tube metallic support in order to fixed L ED circuit lath, greatly reduce the manufacturing cost of LED fluorescent lamp, when described fixed bed uses the good adhesive linkage of heat conduction, thermal diffusivity that again can Effective Raise LED fluorescent lamp; The present invention all is fully utilized because of reflection by the light that reflexed light film is set at the inside and outside wall of fluorescent tube led light source is sent to the fluorescent tube back, thus, strengthened accordingly again the luminosity of LED fluorescent lamp, in addition, outside pipe, set up fin, further improved again the radiating effect of fluorescent tube.
Description of drawings
Fig. 1 is LED fluorescent lamp schematic cross-section of the prior art.
Fig. 2 is LED fluorescent lamp embodiment one schematic cross-section of the present invention.
Fig. 3 is LED fluorescent lamp embodiment two schematic cross-sections of the present invention.
Fig. 4 is LED fluorescent lamp embodiment three schematic cross-sections of the present invention.
Fig. 5 is LED fluorescent lamp embodiment four schematic cross-sections of the present invention.
Fig. 6 is the horizontal slotting lamp axial cross section schematic diagram of the LED of single-ended plug.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Reference numeral of the present invention is as follows: fluorescent tube 1, lamp inner support 11, frosted layer 12, circuit lath 2, LED lamp pearl 21, fixed bed 3, heat-conducting glue 31, aluminium foil layer 32, interior reflexed light film 4, outer reflexed light film 5, fin 6, the horizontal slotting lamp 7 of LED.
Such as Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, LED fluorescent lamp of the present invention is to be that circular, material is the fluorescent tube 1 of glass by cross sectional shape, placing the circuit lath that extends vertically 2 in the fluorescent tube 1 and being arranged at fluorescent tube 1 two ends and the plug which is provided with driver that circuit lath 2 is electrically connected with external power source is consisted of (also can be that an end is that the opening other end is the horizontal slotting lamp 7 of LED of sealing, being described circuit lath is packed in the fluorescent tube by the openend of this horizontal slotting fluorescent tube, the plug that the driver that is electrically connected with external power source will be housed again is plugged in described openend, as shown in Figure 6).The cross sectional shape of fluorescent tube 1 also can be for three to nonagon.The inwall of fluorescent tube 1 can be not have hair side to process that (it is the processing of adopting frosted or spraying coating process to carry out to tube inner wall that hair side is processed, purpose is to make the light diffusion of being sent by fluorescent tube all even soft) smooth inner wall, also can be all or part of inwall of processing through hair side (inwall that hair side was processed is referred to as frosted layer 12), described circuit lath 2 is made by aluminum-base printed circuit board PCB, flexible PCB or glass PCB, be welded with the lamp bar that one to three row is made of LED lamp pearl 21 on it, LED lamp pearl 21 is electrically connected with external circuit by circuit lath 2.
Described circuit lath 2 stretches to the other end by an end of fluorescent tube 1, when circuit lath 2 is aluminum base PCB or glass PCB, its back side (can be which is provided with the one side of LED lamp pearl 21 for positive, another side is the back side) be made into arc shape, identical with fluorescent tube 1 inwall circumferential curvature on its width, the back side and fixed bed 3 one sides of circuit lath 2 are bonding, and the another side with fixed bed 3 is bonded on fluorescent tube 1 inwall again, thereby this circuit lath 2 is fixed together with fluorescent tube 1 inwall; In like manner, when circuit lath 2 is flexible PCB, can directly by fixed bed 3 this circuit lath 2 be fixed together with fluorescent tube 1 inwall.This structure can be fixed on circuit lath 2 on fluorescent tube 1 inwall in the situation of not using the pipe inner support, thus, can greatly reduce the manufacturing cost of LED fluorescent lamp.
In the LED fluorescent lamp course of work, led light source can send more heat, owing to be an enclosure space in the fluorescent tube 1, thereby, heat radiation also is a very important problem, the present invention is in order to address this problem, fixed bed 3 adopts heat conduction adhesive linkage 3, thus, the heat energy that led light source can be produced conducts to fluorescent tube 1 wall by this heat conduction adhesive linkage 3, be released to space outerpace by fluorescent tube 1 wall again, this structure can be gone out dissipation of heat in the pipe in the short period of time, and described heat conduction adhesive linkage 3 has following dual mode:
1) described heat conduction adhesive linkage 3 is heat-conducting glue 31, and this heat-conducting glue 31 can be the bonded adhesives that silicon cave class, esters of acrylic acid or epoxy resin etc. have heat conductivility.
2) described heat conduction adhesive linkage 3 is by aluminium foil layer 32, thin aluminium lamination (thickness of this thin aluminium lamination is no more than 2mm), the copper sheet layer, be mixed with the fibrage of heat-conducting glue material or frivolous heat conduction carrier, form with the heat conduction bonding agent, during use, can be with described aluminium foil layer 32, thin aluminium lamination, the copper sheet layer, the front that is mixed with the fibrage of heat-conducting glue material or frivolous heat conduction carrier is bonding by the back side of heat conduction bonding agent and circuit lath 2, again with this aluminium foil layer 32, thin aluminium lamination, the copper sheet layer, the back side that is mixed with the fibrage of heat-conducting glue material or frivolous heat conduction carrier is bonding by heat conduction bonding agent and fluorescent tube 1 inwall.
Further improvement of the present invention is to be positioned on fluorescent tube 1 inwall corresponding to described circuit lath 2 back sides, adopt the method for plating, spraying or vacuum coating to scribble the rete that can make light reflection, also can paste one deck aluminium foil layer, hereinafter referred to as interior reflexed light film 4, should can be metallic diaphragm by interior reflexed light film 4, also can be the PVC reflexed light film of new technology making in the prior art, it has two kinds of settings at fluorescent tube 1 inwall circumferencial direction, is respectively continuous rete or is interrupted rete.
Described continuous rete is extended down to its opposite side for the side by described circuit lath 2 through the back side of circuit lath 2, its length along fluorescent tube 1 inwall circumferencial direction is 1/3-1/2 of fluorescent tube 1 inwall circumference;
Described interruption rete is two sections both sides that lay respectively at described circuit lath 2, one side of the interruption rete of every side joins with circuit lath 2 respective side edge, another side partly extends to fluorescent tube 1 logical light, its length on fluorescent tube 1 inwall circumferencial direction be inner circumferential length 1 6-1 4, concrete length can be decided according to the specific use that the LED fluorescent lamp is selected, for example, when the consumer needs lighting angle hour, just the length of interior reflexed light film 4 can be done and grow.
The zone that is not provided with interior reflexed light film on fluorescent tube 1 inwall can be the inwall of frosted layer.
Further improving is on the outer wall of described fluorescent tube 1, be positioned at the outer wall area of described circuit lath 2 correspondences, adopt plating, spraying or vacuum coating method setting can further make the rete of light total reflection, hereinafter referred to as outer reflexed light film 5, should the length of outer reflexed light film 5 on fluorescent tube 1 outer wall circumferencial direction be greater than the length that circuit lath 2 radially is incident upon the projection on fluorescent tube 1 outer wall, and this projection will be covered.This outer reflexed light film 5 is 1,4-1 2 of excircle length along the length of fluorescent tube 1 outer wall circumferencial direction.
Be at the back position that fluorescent tube 1 outer wall is positioned at described circuit lath 2 fin 6 to be set as another improvement of the present invention, its method to set up can be close to described outer reflexed light film 5 and arrange, and also can be close to the tube outer wall setting in the situation of not establishing outer reflexed light film 5.The length of described fin 6 on fluorescent tube 1 outer wall circumferencial direction can be greater than the length of described outer reflexed light film 5, also can be less than the length of described outer reflexed light film 5, but must be greater than the projected length of described circuit lath 2 on fluorescent tube 1 outer wall, the heat that can further the pipe inner light source be produced like this distributes among atmosphere faster.
Claims (10)
1. luminous diode lamp fluorescent lamp, comprise fluorescent tube (1) and place in the fluorescent tube (1) have at least one row LED lamp pearl (21) along the axially extended circuit lath of fluorescent tube (1) (2), described LED lamp pearl (21) is electrically connected with external circuit by circuit lath (2), and it is characterized in that: described circuit lath (2) is fixedly connected with fluorescent tube (1) inwall by fixed bed (3) in the mode identical with fluorescent tube (1) inwall circumferential curvature on its width.
2. luminous diode lamp fluorescent lamp according to claim 1, it is characterized in that: described fixed bed (3) is heat conduction adhesive linkage (3).
3. luminous diode lamp fluorescent lamp according to claim 2, it is characterized in that: described heat conduction adhesive linkage (3) is heat-conducting glue (31), and it is silicon cave class, esters of acrylic acid or epoxy resin.
4. luminous diode lamp fluorescent lamp according to claim 2, it is characterized in that: described heat conduction adhesive linkage (3) comprises aluminium foil layer (32), thin aluminium lamination, copper sheet layer or is mixed with the fibrage of heat-conducting glue material, described aluminium foil layer (32), thin aluminium lamination, copper sheet layer or to be mixed with the fibrage of heat-conducting glue material positive bonding by heat-conducting glue (31) and circuit lath (2), its back side is bonding by heat-conducting glue (31) and fluorescent tube (1) inwall.
5. according to claim 3 or 4 described luminous diode lamp fluorescent lamps, it is characterized in that: be provided with reflexed light film (4) being positioned at fluorescent tube (1) inwall corresponding to described circuit lath (2) back side, should be made as continuous rete or be interrupted rete at fluorescent tube (1) inwall circumferencial direction by interior reflexed light film (4), described continuous rete be by a side of described circuit lath (2) through the back side of circuit lath (2) to its opposite side, its length along fluorescent tube (1) inwall circumferencial direction is 1/3-1/2 of fluorescent tube (1) inwall circumference; Described interruption rete is two sections both sides that lay respectively at described circuit lath (2), and the interruption rete of every side is 1,6-1 4 of inner circumferential length along the length of fluorescent tube (1) inwall circumferencial direction.
6. luminous diode lamp fluorescent lamp according to claim 5, it is characterized in that: fluorescent tube (1) inwall that is not provided with interior reflexed light film (4) is the inwall of frosted layer (12).
7. luminous diode lamp fluorescent lamp according to claim 6, it is characterized in that: zone corresponding with described circuit lath (2) on described fluorescent tube (1) outer wall is provided with outer reflexed light film (5), this outer reflexed light film (5) also covers this projection greater than the length that described circuit lath (2) radially is projected on fluorescent tube (1) the outer wall circumferencial direction along the length of fluorescent tube (1) outer wall circumferencial direction, and this outer reflexed light film (5) is 1 4-1/2 of excircle length along the length of fluorescent tube (1) outer wall circumferencial direction.
8. luminous diode lamp fluorescent lamp according to claim 7 is characterized in that: be close to described outer reflexed light film (5) at described fluorescent tube (1) outer wall and be provided with fin (6).
9. luminous diode lamp fluorescent lamp according to claim 7 is characterized in that: described interior reflexed light film (4), outer reflexed light film (5) are electrodeposited coating, sprayed coating, vacuum-coating or aluminium foil layer.
10. luminous diode lamp fluorescent lamp according to claim 7, it is characterized in that: described circuit lath (2) is made by aluminum base PCB, flexible PCB or glass PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105350572A CN103016984A (en) | 2012-12-12 | 2012-12-12 | Light-emitting diode daylight lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105350572A CN103016984A (en) | 2012-12-12 | 2012-12-12 | Light-emitting diode daylight lamp |
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| Publication Number | Publication Date |
|---|---|
| CN103016984A true CN103016984A (en) | 2013-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105350572A Pending CN103016984A (en) | 2012-12-12 | 2012-12-12 | Light-emitting diode daylight lamp |
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Application publication date: 20130403 |