CN104154453A - LED fluorescent lamp - Google Patents
LED fluorescent lamp Download PDFInfo
- Publication number
- CN104154453A CN104154453A CN201410427876.4A CN201410427876A CN104154453A CN 104154453 A CN104154453 A CN 104154453A CN 201410427876 A CN201410427876 A CN 201410427876A CN 104154453 A CN104154453 A CN 104154453A
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- China
- Prior art keywords
- fluorescent lamp
- led fluorescent
- groove
- draw
- pressing plate
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Abstract
The invention discloses an LED fluorescent lamp, and belongs to the technical field of lighting equipment. The LED fluorescent lamp comprises a circuit board, a substrate and a lampshade, the substrate and the lampshade are fastened with each other to form a containing cavity, clamping grooves and a heat dissipation substrate are arranged in the substrate, the clamping grooves are located in the two sides of the heat dissipation substrate,turnup parts are arranged at the two ends of the lampshade, each of the turnup parts includes a pressing plate part and a clamping part extending inwards, the clamping part is clamped in the clamping groove, the pressing plate part is connected with a pressing head part, the width size of the pressing head part is larger than that of the pressing plate part, and the pressing head part presses the circuit board to the surface of the heat dissipation substrate. The LED fluorescent lamp is reasonable in structural design, easy to manufacture and convenient and fast to disassemble and assemble, light emitting heat can be taken away by taking full advantages of the heat dissipation substrate, and the service life of the LED lamp is prolonged.
Description
Technical field
The invention belongs to technical field of lighting fixtures, more particularly, relate to a kind of LED fluorescent lamp.
Background technology
LED has the advantages such as environmental protection and energy saving, the life-span is long, radiation is low, along with the development of LED technology, LED has been widely used in lighting field, because LED volume is little, the feature that single led illumination is low, LED light fixture adopts the illuminating effect of the integrated mode of a plurality of LED being realized to LED light fixture conventionally.General LED fluorescent lamp has advantages of that energy consumption is low, environmental protection and energy saving.In recent years, along with the imperfection of light emitting diode (Light-Emitting Diode, LED) technology, the various performances of LED lamp for illumination have had great lifting.And, because LED lighting has the advantages such as long service life, start-up time is short, energy-saving effect is remarkable, approved widely, become the main flow of following energy-saving lamp.
Existing LED daylight lamp fixture, if China Patent No. is the disclosed LED fluorescent tube of CN201748239U, the diffuser of this LED fluorescent tube is curved, the inner surface of arc has two floors, the top of floor is supported and is located at LED lamp plate both sides of the edge, experiment is found, the floor size of this LED fluorescent tube is less, under working long hours, floor can be subject to thermal softening and perk, thereby just can not close contact between LED lamp plate and aluminium section bar, the radiating effect of aluminium section bar will reduce, and floor does not just reach the effect of pressing of expection.
Therefore, be necessary to design a kind of lampshade of occurring that because working long hours heat radiation is slowed down can avoided.
Summary of the invention
For the above-mentioned problems in the prior art, the object of the present invention is to provide a kind of LED fluorescent lamp, it still can keep good radiating effect after working long hours.
To achieve these goals, the technical solution adopted in the present invention is as follows:
A kind of LED fluorescent lamp, comprise circuit board and mutually fasten base material and the lampshade that forms cavity volume, in described base material, be provided with draw-in groove and heat-radiating substrate, described draw-in groove is positioned at the both sides of described heat-radiating substrate, the two ends of described lampshade are provided with turn-up portion, described turn-up portion extend internally out pressing plate portion and Access Division, described Access Division is fastened in described draw-in groove, described pressing plate portion is connected with a pressure head portion, the width dimensions of described pressure head portion is greater than the width dimensions of described pressing plate portion, and described pressure head portion suppresses described circuit board to the surface of described heat-radiating substrate.
Further, described pressing plate portion deviates from described Access Division and bending extends downward described heat-radiating substrate place, and described pressure head portion is positioned at the top of described pressing plate portion, and described pressure head portion contacts with the upper surface of described circuit board.
Further, the cross section of described base material is " D " type, is also provided with end cap connecting hole in it, and described end cap connecting hole has 2, and both are divided into the two ends of base material.
Further, described draw-in groove is located at the top of described end cap connecting hole, and described heat-radiating substrate is located between the draw-in groove at described base material two ends.
Further, described draw-in groove is deep-slotted chip breaker, and its opening direction is towards the outside of described base material.
Further, the two ends of described base material are also provided with upwardly extending support portion, and the turn-up portion at the two ends of described support portion and described lampshade offsets.
Further, described circuit board is placed on described heat-radiating substrate and is fastened between described draw-in groove.
Further, described Access Division tiltedly extends downward in described draw-in groove along straight line.
Further, the arcuate structure that described pressing plate portion is epirelief.
Further, the top of described Access Division is provided with bulge, and the cross-sectional width of described bulge is greater than the cross-sectional width of Access Division.
Than prior art, the beneficial effect of LED fluorescent lamp of the present invention is:
By the junction at lampshade and base material, pressing plate portion is set, one end that pressing plate portion contacts with circuit board arranges the pressure head portion that width dimensions is larger, it has increased with circuit board contact area and has also improved the thrust to circuit board simultaneously, not yielding in the situation of being heated for a long time; Pressing plate portion is the arcuate structure of epirelief, in long-time temperature distortion situation, make deformation direction towards circuit board, thereby just increased the thrust of pressure head portion to circuit board, make circuit board and heat-radiating substrate close contact, heat when LED is luminous can be taken out of by radiator aluminium base plate fast; The support portion that base material two ends arrange can prevent that lampshade is outwards offset, and can carry out spacing to lampshade; Its reasonable in design, make simple and easyly, dismounting is convenient, can make full use of heat-radiating substrate luminous heat is taken out of, has extended the service life of LED lamp.
Accompanying drawing explanation
Fig. 1 is the front view of LED fluorescent lamp of the present invention.
Fig. 2 is the explosive view of LED fluorescent lamp of the present invention.
Fig. 3 is the front view of the base material of LED fluorescent lamp of the present invention.
Fig. 4 is the front view of the lampshade of LED fluorescent lamp of the present invention.
The specific embodiment
Below in conjunction with specific embodiment, the present invention is further described.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of LED fluorescent lamp, comprises circuit board 2 and mutually fastens base material 1 and the lampshade 3 that forms cavity volume; The cross section of base material 1 is " D " type, comprise the first draw-in groove 101, heat-radiating substrate 102, the first end cap connecting hole 103, the first support portion 104, the second support portion 105, the first curved portions 106, flat part 107, the second curved portions 108, the second draw-in groove 109 and the second end cap connecting hole 110, the first curved portions 106 and the second curved portions 108 two ends that are positioned at flat part 107 axisymmetricly, the lower end 1062 of the first curved portions 106 is fixedly connected with the two ends of flat part 107 respectively with the lower end 1082 of the second curved portions 108; The first end cap connecting hole 103 is fixed on the inwall place of the upper end 1061 of the first curved portions 106, the second end cap connecting hole 110 is fixed on the inwall place of the upper end 1081 of the second curved portions 108, the cross section of the first end cap connecting hole 103, the second end cap connecting hole 110 is " C " type, the first end cap connecting hole 103, the second end cap connecting hole 110 are positioned at sustained height, and the opening direction of the first end cap connecting hole 103, the second end cap connecting hole 110 is towards the flat part 107 of lower end; The cross section of the first draw-in groove 101, the second draw-in groove 109 is arc, the first draw-in groove 101 and the second end cap connecting hole 110 are one-body molded, the second draw-in groove 109 and the first end cap connecting hole 103 one-body molded, the first draw-in groove 101 is positioned at the upper end of the second end cap connecting hole 110, and the second draw-in groove 109 is positioned at the upper end of the first end cap connecting hole 103; The junction that the junction of the first draw-in groove 101 and the second end cap connecting hole 110 has the first tie point 1101, the second draw-in grooves 109 and the first end cap connecting hole 103 has the second tie point 1031; The first draw-in groove 101 deviates from mutually with the opening direction of the second draw-in groove 109, and the opening direction of the first draw-in groove 101 is towards the outside of the second end cap connecting hole 110, and the opening direction of the second draw-in groove 109 is towards the outside of the first end cap connecting hole 103; Heat-radiating substrate 102 is fixed between the first draw-in groove 101 and the second draw-in groove 109, the left end 1021 of heat-radiating substrate 102 is fixedly connected with the first draw-in groove 101, the right-hand member of heat-radiating substrate 102 is fixedly connected with the second draw-in groove 109, circuit board 2 be positioned on heat-radiating substrate 102 and be fastened in the first draw-in groove 101 and the second draw-in groove 109 between.The first support portion 104, the second support portion 105 all arrange vertically upward, and 1081 places, upper end of the second curved portions 108 are fixed in the first support portion 104, and 1061 places, upper end of the first curved portions 106 are fixed in the second support portion 105.The first draw-in groove 101 on base material 1, heat-radiating substrate 102, the first end cap connecting hole 103, the first support portion 104, the second support portion 105, the first curved portions 106, flat part 107, the second curved portions 108, the second draw-in groove 109 and the second end cap connecting hole 110 are all one-body molded.
Lampshade 3 comprises semicircular body 307, the end at body 307 two ends is respectively equipped with towards the first flange 303 of body 307 inner sides and the second flange 306, the first flange 303 extend internally out the first Access Division 304 and the first pressing plate portion 305, the second flange 306 extend internally out the second Access Division 302 and the second pressing plate portion 301, the top that the top of the first pressing plate portion 305 is connected with the first 3051, the second pressing plate portions 301 of pressure head portion is connected with the second pressure head portion 3011, the first pressure head portion 3051, the width dimensions of cross section is greater than the first pressing plate portion 305, the width dimensions of the second pressing plate portion 301 cross sections, the first pressure head portion 3051 and the second pressure head portion 3011 can be circle, rectangle, triangle, water-drop-shaped or other geometric shapes, in the present embodiment, the first pressure head portion 3051 and the second pressure head portion 3011 are circular configuration, the first pressure head portion 3051 and 3011 effects of the second pressure head portion are to increase and the contact-making surface of circuit board 2 and the pressuring action of reinforcement and circuit board 2, avoid causing circuit board 2 and heat-radiating substrate 102 loose contacts because of thrust deficiency, thereby improved the radiating efficiency of circuit board 2.The oblique downward-extension of the first Access Division 304 linear pattern, its top is provided with larger-size the first bulge 3041, the first pressing plate portion 305 deviates from the first Access Division 304 and continues to extend downward heat-radiating substrate 102 places to the interior bending of body 307 and do not contact with heat-radiating substrate 102, like this, the first pressure head portion 3051 on the first pressing plate portion 305 tops can with the left hand edge place close contact of circuit board 2 upper surfaces.The oblique downward-extension of the second Access Division 302 linear pattern, its top is provided with larger-size the second bulge 3021, the second pressing plate portion 301 deviates from the second Access Division 302 and continues to the interior bending of body 307 to downward-extension, like this, the second pressure head portion 3011 on the second pressing plate portion 301 tops can with the right edge close contact of circuit board 2 upper surfaces.The first pressing plate portion 305 and the second pressing plate portion 301 are the arcuate structure of epirelief, after light fixture works long hours, the first pressing plate portion 305 and the second pressing plate portion 301 meeting heated bendings, its bending direction be oblique under, thereby just more stepped up the laminating degree of the first pressure head portion 3051 and the second pressure head portion 3011 and circuit board 2, make the larger radiating effect that improves circuit board 2 of thrust of 102 of circuit board 2 and heat-radiating substrates.The first bulge 3041 and the first draw-in groove 101 snap-fit, the second bulge 3021 and the second draw-in groove 109 snap-fit; The width of the first bulge 3041, the second bulge 3021 cross sections is greater than the cross-sectional width of the first Access Division 304, the second Access Division 302.The aluminium base that heat-radiating substrate 102 is rectangle.
During use, lampshade 3 is slidably mounted on base material 1, now the first bulge 3041 on lampshade 3 is positioned at the first draw-in groove 101, the second bulge 3021 is positioned at the second draw-in groove 109, the first pressure head portion 3051 and the second pressure head portion within 3011 minutes, be positioned at circuit board 2 left and right end and with circuit board 2 close contacts, the first support portion 104 and first flange 303 of lampshade 3 of base material 1 offset, the second support portion 105 and second flange 306 of lampshade 3 of base material 1 offset, and between circuit board 2 and heat-radiating substrate 102, tight fits tightly; Because the width of the first pressure head portion 3051 and the second pressure head portion 3011 is larger, avoided the thrust deficiency causing because of pressing plate portion undersize in prior art.
Below schematically the present invention and embodiment thereof are described, this description does not have restricted, and shown in accompanying drawing is also one of embodiments of the present invention.So, if those of ordinary skill in the art is enlightened by it, in the situation that not departing from the invention aim, without the creationary frame mode similar to this technical scheme and the embodiment of designing, all should belong to protection scope of the present invention.
Claims (10)
1. a LED fluorescent lamp, comprise circuit board and mutually fasten base material and the lampshade that forms cavity volume, in described base material, be provided with draw-in groove and heat-radiating substrate, described draw-in groove is positioned at the both sides of described heat-radiating substrate, it is characterized in that: the two ends of described lampshade are provided with turn-up portion, described turn-up portion extend internally out pressing plate portion and Access Division, described Access Division is fastened in described draw-in groove, described pressing plate portion is connected with a pressure head portion, the width dimensions of described pressure head portion is greater than the width dimensions of described pressing plate portion, and described pressure head portion suppresses described circuit board to the surface of described heat-radiating substrate.
2. LED fluorescent lamp as claimed in claim 1, it is characterized in that: described pressing plate portion deviates from described Access Division and bending extends downward described heat-radiating substrate place, described pressure head portion is positioned at the top of described pressing plate portion, and described pressure head portion contacts with the upper surface of described circuit board.
3. LED fluorescent lamp as claimed in claim 1, is characterized in that: the cross section of described base material is " D " type, and in it, be also provided with end cap connecting hole, described end cap connecting hole has 2, and both are divided into the two ends of base material.
4. LED fluorescent lamp as claimed in claim 3, is characterized in that: described draw-in groove is located at the top of described end cap connecting hole, and described heat-radiating substrate is located between the draw-in groove at described base material two ends.
5. LED fluorescent lamp as claimed in claim 1, is characterized in that: described draw-in groove is deep-slotted chip breaker, and its opening direction is towards the outside of described base material.
6. LED fluorescent lamp as claimed in claim 1, is characterized in that: the two ends of described base material are also provided with upwardly extending support portion, and the turn-up portion at the two ends of described support portion and described lampshade offsets.
7. LED fluorescent lamp as claimed in claim 5, is characterized in that: described circuit board is placed on described heat-radiating substrate and is fastened between described draw-in groove.
8. LED fluorescent lamp as claimed in claim 1, is characterized in that: described Access Division tiltedly extends downward in described draw-in groove along straight line.
9. LED fluorescent lamp as claimed in claim 2, is characterized in that: the arcuate structure that described pressing plate portion is epirelief.
10. LED fluorescent lamp as claimed in claim 1, is characterized in that: the top of described Access Division is provided with bulge, and the cross-sectional width of described bulge is greater than the cross-sectional width of Access Division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427876.4A CN104154453B (en) | 2014-08-27 | 2014-08-27 | LED fluorescent lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410427876.4A CN104154453B (en) | 2014-08-27 | 2014-08-27 | LED fluorescent lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104154453A true CN104154453A (en) | 2014-11-19 |
| CN104154453B CN104154453B (en) | 2017-02-01 |
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ID=51880024
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410427876.4A Active CN104154453B (en) | 2014-08-27 | 2014-08-27 | LED fluorescent lamp |
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| Country | Link |
|---|---|
| CN (1) | CN104154453B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502136A (en) * | 2018-12-03 | 2019-03-22 | 山东金都消防设备有限公司 | A kind of detachable cabinet and its transportation resources |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201259100Y (en) * | 2008-06-17 | 2009-06-17 | 孙奕斌 | LED fluorescent lamp employing metal sleeve |
| TWM369423U (en) * | 2009-07-16 | 2009-11-21 | Cpumate Inc | Mounting/dismounting structure for LED lamp |
| JP2010140677A (en) * | 2008-12-09 | 2010-06-24 | Ssec Kk | Heat dissipating support for led lamp, and led lamp |
| JP2011113876A (en) * | 2009-11-27 | 2011-06-09 | Fdk Corp | Led type illumination device |
| CN202419272U (en) * | 2012-02-01 | 2012-09-05 | 天宝电子（惠州）有限公司 | LED (Light-Emitting Diode) fluorescent lamp structure |
| CN204164720U (en) * | 2014-08-27 | 2015-02-18 | 明仕达光电科技（昆山）有限公司 | A kind of LED daylight lamp |
-
2014
- 2014-08-27 CN CN201410427876.4A patent/CN104154453B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201259100Y (en) * | 2008-06-17 | 2009-06-17 | 孙奕斌 | LED fluorescent lamp employing metal sleeve |
| JP2010140677A (en) * | 2008-12-09 | 2010-06-24 | Ssec Kk | Heat dissipating support for led lamp, and led lamp |
| TWM369423U (en) * | 2009-07-16 | 2009-11-21 | Cpumate Inc | Mounting/dismounting structure for LED lamp |
| JP2011113876A (en) * | 2009-11-27 | 2011-06-09 | Fdk Corp | Led type illumination device |
| CN202419272U (en) * | 2012-02-01 | 2012-09-05 | 天宝电子（惠州）有限公司 | LED (Light-Emitting Diode) fluorescent lamp structure |
| CN204164720U (en) * | 2014-08-27 | 2015-02-18 | 明仕达光电科技（昆山）有限公司 | A kind of LED daylight lamp |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109502136A (en) * | 2018-12-03 | 2019-03-22 | 山东金都消防设备有限公司 | A kind of detachable cabinet and its transportation resources |
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| Publication number | Publication date |
|---|---|
| CN104154453B (en) | 2017-02-01 |
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