CN102261571A - Novel heat dissipation light emitting diode (LED) lamp - Google Patents
Novel heat dissipation light emitting diode (LED) lamp Download PDFInfo
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- CN102261571A CN102261571A CN2010101835486A CN201010183548A CN102261571A CN 102261571 A CN102261571 A CN 102261571A CN 2010101835486 A CN2010101835486 A CN 2010101835486A CN 201010183548 A CN201010183548 A CN 201010183548A CN 102261571 A CN102261571 A CN 102261571A
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- Prior art keywords
- lamp
- led lamp
- fluorescent tube
- led
- heat dissipation
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- 230000017525 heat dissipation Effects 0.000 title abstract description 11
- 239000000463 material Substances 0.000 claims description 8
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
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Abstract
The invention discloses a novel heat dissipation light emitting diode (LED) lamp to overcome the shortcomings of low heat dissipation effect, short service life, non-uniform illumination and insufficient brightness of the conventional LED lamp in the field of lighting. The novel heat dissipation LED lamp comprises a lamp tube and a lamp tube bracket, wherein lamp holders are arranged on both sides of the lamp tube; the lamp tube is divided into two equal parts by a sliding chute parallel to the long axis of the lamp tube; a base shell having a heat dissipation function is arranged outside one part, relative to the lamp tube bracket, of the lamp tube; the base shell is buckled on the lamp tube through the sliding chute; one end, close to a power line, of the base shell is additionally provided with a heat dissipation shell with heat dissipation holes; the heat dissipation shell is buckled on the lamp tube through the sliding chute; a lampshade is arranged outside the other part of the lamp tube; and an LED circuit board is positioned inside the lamp tube. Heat produced in the heating process of the LED lamp can be dissipated from the heat dissipation holes, so that heat loss is avoided; furthermore, the service life of the LED lamp is prolonged, the illumination and the brightness of the LED lamp are enhanced, and the LED lamp has a good application prospect.
Description
Technical field
The present invention relates to a kind of heat sinking LED lamp, belong to LED litillumination devices technical field.
Background technology
Lightings such as existing fluorescent lamp, its power consumption is big, and needs accessories such as ballast, the production cost height, the appearance of LED lamp then is expected to thoroughly solve the existing the problems referred to above in present luminous lighting field.
LED is the abbreviation of Light Emitting Diode (light emitting diode), is a kind of solid-state semiconductor devices, and it can directly be converted into light to electricity.The heart of LED is a semi-conductive wafer, and an end of wafer is attached on the support, and an end is a negative pole, and the other end connects the positive pole of power supply, makes entire wafer by epoxy encapsulation.Semiconductor wafer is made up of two parts, and a part is a P-type semiconductor, occupies an leading position in its hole, the inside, and the other end is a N-type semiconductor, mainly is electronics here.But when these two kinds of semiconductors couple together, just form a P-N knot between them.When electric current acted on this wafer by lead, electronics will be pushed to the P district, and electronics will send energy with the form of photon, the luminous principle of LED that Here it is then with hole-recombination in the P district.And the light wavelength color of light just is by the material decision that forms the P-N knot.
The Led chip is also referred to as the led luminescence chip, is the core component of led lamp, the P-N knot that just refers to.Its major function is: electric energy is converted into luminous energy, and the main material of chip is a monocrystalline silicon.Be divided into two kinds of high-power LED chip, small-power led chips according to purposes; According to color, mainly be divided into three kinds: red, green, blue (making the raw material of white light).
The important parameter of LED:
1. forward operating current If: it is meant the normal forward current value when luminous of light-emittingdiode, should select IF as required below 0.6lfm in actual use.
2. forward operating voltage VF: the operating voltage that provides in the parameter list is to obtain under given forward current, generally records when IF=20mA, and VF is at 1.4～3V for light-emittingdiode forward operating voltage, and when ambient temperature raises, VF will descend.
3.V-I characteristic: the voltage of light-emittingdiode and the relation of electric current, during less than a certain value (being threshold value), electric current is minimum, and is not luminous in forward voltage values.After voltage surpassed a certain value, forward current increases sharply with voltage, and was luminous.
4. luminous intensity IV: the luminous intensity of light-emittingdiode typically refers to the luminous intensity on normal (cylindrical luminous tube is meant its axis) direction.If when radiation intensity is (1/683) W/Sr on this direction, then luminous 1 candela (symbol is cd).Because the luminous intensity of general LED is little, so luminous intensity candle light (candela, mcd) office commonly used.
5.LED lighting angle :-90 °-+90 °.
6. spectral half width Δ λ: the spectral purity of its expression luminous tube.
Half-value angle θ 1/2 and visual angle: θ 1/2 be meant luminous intensity values be the axial strength value half direction and light-emitting axis to the angle of (normal direction).
Existing LED lamp exists the unfavorable defective of radiating effect, and this just makes the application of LED lamp and popularization be subjected to restriction to a certain degree.
Summary of the invention
The radiating effect that the present invention is directed to the existence of present LED lamp luminous lighting field is bad, and service life is short; And uneven illumination is even, the defective that brightness is not enough, a kind of heat sinking LED lamp of invention design.
Specifically, the present invention designs a kind of heat sinking LED lamp, described heat sinking LED lamp comprises fluorescent tube and tube stand, it is characterized in that: described fluorescent tube comprises the lamp holder of fluorescent tube both sides, fluorescent tube is divided into two equal parts by the chute parallel with the fluorescent tube major axis with fluorescent tube, fluorescent tube is provided with the drain pan with heat sinking function with respect to the outside of the part of tube stand, drain pan is buckled on the fluorescent tube by chute, the outside of another part of fluorescent tube is a lampshade, the led circuit plate is positioned at fluorescent tube inside, the two ends of tube stand are provided with the lamp socket that joins with lamp holder, and an end of tube stand is connected with power line.
Described heat sinking LED lamp is characterized in that: set up a heat radiation shell with louvre at described drain pan near an end of power line, the heat radiation shell is buckled on the fluorescent tube by chute.
Described heat sinking LED lamp is characterized in that: the length of described heat radiation shell is the 1/4-1/3 of fluorescent tube length.
Described heat sinking LED lamp is characterized in that: described louvre is netted or grid-like.
Described heat sinking LED lamp is characterized in that: described heat radiation shell adopts macromolecular material to make.
Described heat sinking LED lamp is characterized in that: described heat radiation shell adopts the PC plastics to make.
Described heat sinking LED lamp is characterized in that: described drain pan adopts the good metal of thermal diffusivity to make.
Described heat sinking LED lamp is characterized in that: described drain pan adopts metallic aluminium.
Described heat sinking LED lamp is characterized in that: described lampshade adopts the material with good light diffusion to make.
Heat sinking LED light fixture of the present invention has following outstanding advantage:
1, the heating of LED lamp mainly concentrates on power unit, and therefore power supply one end at fluorescent tube adopts the design of fluorescent tube heat radiation shell, guarantees circuit heat radiation requirement, long service life, and maintenance cost is ultralow;
2, the illumination of described LED lamp is even, and the brightness of the more existing LED lamp of brightness obviously improves, and good light transmittance is arranged, high transmission rate;
3, the outer lampshade of described LED lamp adopts macromolecular material, has the diffusion of good light, makes the permeability and the illumination of light of LED lamp obviously promote;
4, start the nothing time-delay, energising promptly reaches normal brightness, need not wait for, eliminates the long shortcoming of traditional tube start-up course, has reduced the interference to other electrical equipment;
5, the heat radiation shell adopts macromolecular material, PC plastic cement for example, and withstand voltage, high temperature resistant, difficult combustion, shock resistance, anti-aging have light weight, the heating characteristics that energy is fast, cooling effect is excellent, and insulation effect is more excellent, safer;
6, drain pan adopts the good metal of heat sinking function, and for example aluminium so just can guarantee that LED has better heat radiating effect;
7, described LED lamp adopts high brightness LED chip, and it is moderate to have brightness, starts fast, and the advantage of blinding free, no stroboscopic does not have ultraviolet radiation and noise, more comfortable, environmental protection, safe, energy-conservation, the life-span is long.
Description of drawings
Fig. 1 is the structural representation of heat dissipation LED lamp of the present invention, and wherein, 1 is fluorescent tube, and 2 is tube stand, and 3 is power line, and 10 is chute, and 11 is lamp holder, and 12 is lampshade, and 13 is drain pan, and 14 are the heat radiation shell, and 21 is lamp socket;
Fig. 2 is the structural representation of the fluorescent tube of heat dissipation LED lamp of the present invention, and wherein, 11 is lamp holder, and 13 is drain pan, and 14 are the heat radiation shell, and 141 is louvre.
The specific embodiment
Below in conjunction with accompanying drawing heat sinking LED lamp of the present invention is described further; purpose is better to understand technology contents of the present invention for the public; rather than to the restriction of technology contents of the present invention; in fact, invent the spiritual increase and decrease of being done, replacement or improvement all within the technical scope of the present invention's protection according to the present invention.
As illustrated in fig. 1 and 2, heat sinking LED lamp of the present invention is made of fluorescent tube 1 and tube stand 2, wherein fluorescent tube 1 comprises the lamp holder 11 at two ends, fluorescent tube 1 is divided into two equal parts by the chute parallel with the fluorescent tube major axis 10 with fluorescent tube 1, fluorescent tube 1 is provided with the drain pan 13 with heat sinking function with respect to the outside of the part of tube stand 2, drain pan 13 is buckled on the fluorescent tube 1 by chute 10, the outside of another part of fluorescent tube 1 is a lampshade 12, in a preferred embodiment of the present invention, can also set up a heat radiation shell 14 near an end of power line 3 at described drain pan 13 with louvre 141, heat radiation shell 14 is buckled on the fluorescent tube 1 by chute 10, the length of heat radiation shell is the 1/4-1/3 of fluorescent tube length, the led circuit plate is positioned at fluorescent tube 1 inside, the two ends of tube stand 2 are provided with the lamp socket 21 that joins with lamp holder 11, one end of tube stand 2 is connected with power line 3, at tube stand 2 two ends lamp socket 21 is arranged, and lamp socket 21 joins with the lamp holder 11 at fluorescent tube 1 two ends, after connecting power supply, the LED lamp is lighted.
The heat that produces in the described LED lamp heating process can distribute by thermal diffusivity good drain pan 13 and heat radiation shell 14, has avoided thermal losses, has prolonged the service life of LED lamp, and has improved the illumination and the brightness of LED lamp, has a good application prospect.
Claims (9)
1. heat sinking LED lamp, described heat sinking LED lamp comprises fluorescent tube and tube stand, it is characterized in that: described fluorescent tube comprises that the lamp holder of fluorescent tube both sides, fluorescent tube are divided into two equal parts by the chute parallel with the fluorescent tube major axis with fluorescent tube, fluorescent tube is provided with the drain pan with heat sinking function with respect to the outside of the part of tube stand, drain pan is buckled on the fluorescent tube by chute, the outside of another part of fluorescent tube is a lampshade, the led circuit plate is positioned at fluorescent tube inside, the two ends of tube stand are provided with the lamp socket that joins with lamp holder, and an end of tube stand is connected with power line.
2. heat sinking LED lamp according to claim 1 is characterized in that: set up a heat radiation shell with louvre at described drain pan near an end of power line, the heat radiation shell is buckled on the fluorescent tube by chute.
3. heat sinking LED lamp according to claim 2 is characterized in that: the length of described heat radiation shell is the 1/4-1/3 of fluorescent tube length.
4. heat sinking LED lamp according to claim 2 is characterized in that: described louvre is netted or grid-like.
5. according to claim 2 or 3 described heat sinking LED lamps, it is characterized in that: described heat radiation shell adopts macromolecular material to make.
6. heat sinking LED lamp according to claim 5 is characterized in that: described heat radiation shell adopts the PC plastics to make.
7. heat sinking LED lamp according to claim 1 is characterized in that: described drain pan adopts the good metal of thermal diffusivity to make.
8. heat sinking LED lamp according to claim 7 is characterized in that: described drain pan adopts metallic aluminium.
9. heat sinking LED lamp according to claim 1 is characterized in that: described lampshade adopts the material with good light diffusion to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101835486A CN102261571A (en) | 2010-05-27 | 2010-05-27 | Novel heat dissipation light emitting diode (LED) lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101835486A CN102261571A (en) | 2010-05-27 | 2010-05-27 | Novel heat dissipation light emitting diode (LED) lamp |
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| Publication Number | Publication Date |
|---|---|
| CN102261571A true CN102261571A (en) | 2011-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101835486A CN102261571A (en) | 2010-05-27 | 2010-05-27 | Novel heat dissipation light emitting diode (LED) lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2096697U (en) * | 1991-07-12 | 1992-02-19 | 长沙市东区节能电子电器厂 | Tube fluorescent lamp with radiating function |
| US20070223225A1 (en) * | 2006-03-22 | 2007-09-27 | Yashima Dengyo Co., Ltd. | LED Lighting Unit Applied to a Fluorescent Lighting Fixture |
| CN201330950Y (en) * | 2008-12-31 | 2009-10-21 | 广州市鸿利光电子有限公司 | LED lamp tube |
| JP2010044920A (en) * | 2008-08-11 | 2010-02-25 | Kakudai:Kk | Led type lighting fixture |
| CN201425188Y (en) * | 2009-05-22 | 2010-03-17 | 深圳市恒之源电器有限公司 | Led lamp tube |
-
2010
- 2010-05-27 CN CN2010101835486A patent/CN102261571A/en not_active Application Discontinuation
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2096697U (en) * | 1991-07-12 | 1992-02-19 | 长沙市东区节能电子电器厂 | Tube fluorescent lamp with radiating function |
| US20070223225A1 (en) * | 2006-03-22 | 2007-09-27 | Yashima Dengyo Co., Ltd. | LED Lighting Unit Applied to a Fluorescent Lighting Fixture |
| JP2010044920A (en) * | 2008-08-11 | 2010-02-25 | Kakudai:Kk | Led type lighting fixture |
| CN201330950Y (en) * | 2008-12-31 | 2009-10-21 | 广州市鸿利光电子有限公司 | LED lamp tube |
| CN201425188Y (en) * | 2009-05-22 | 2010-03-17 | 深圳市恒之源电器有限公司 | Led lamp tube |
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Application publication date: 20111130 |