CN201420967Y - LED lamp tube with improved structure - Google Patents
LED lamp tube with improved structure Download PDFInfo
- Publication number
- CN201420967Y CN201420967Y CN2009200541666U CN200920054166U CN201420967Y CN 201420967 Y CN201420967 Y CN 201420967Y CN 2009200541666 U CN2009200541666 U CN 2009200541666U CN 200920054166 U CN200920054166 U CN 200920054166U CN 201420967 Y CN201420967 Y CN 201420967Y
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- substrate
- fluorescent tube
- led fluorescent
- light
- structure improved
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- Expired - Fee Related
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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model relates to lighting device technical field, in particular to a LED lamp tube with improved structure; the LED lamp tube comprises a lamp tube body enclosed by a substrate and a lightguide cover covered on the substrate, a LED chipset mounted on the substrate and a power supply arranged on the substrate; a mounting groove is arranged on the front part of the substrate; a plurality of heat radiating fins are vertically arranged on the back surface of the substrate, the heat radiating fins are arranged on the back surface of the substrate with interval, a heat exchange groove for air circulation is formed between two adjacent heat radiating fins; a condensing reflector plate is attached on the LED chipset, the condensing reflector plate comprises a bottom plate attached onthe LED chipset, and a mounting hole for accommodating the LED bulb is machined on the bottom plate; and both sides of the bottom plate are symmetrically bent to form a slope-shaped condensing part; the LED lamp tube with improved structure has good heat dissipation effect, strong lighting strength and high lighting uniformity.
Description
Technical field:
The utility model relates to the lighting device technical field, particularly a kind of structure improved LED fluorescent tube.
Background technology:
The LED fluorescent tube mainly is made up of substrate, led chip group, lens and the cooling system etc. that are installed in the substrate.Compare with traditional incandescent lamp, fluorescent lamp, its electric energy can reach more than 90%; Since it is born,, more and more be subjected to the attention of countries in the world with its efficient low-consume, energy-conserving and environment-protective, long characteristics of life-span.
Yet,, still can produce certain heat during its work though LED is regarded as cold light source.The operating temperature of led chip group generally should be less than 50 ℃.There is data to show that when the operating temperature of LED reaches 55 ℃, its life-span will reduce half.Its heat radiation system of present LED fluorescent tube is imperfection very, existing LED fluorescent tube generally outwards dispels the heat by being located at the outer metal shade of substrate, metal shade conducts heat slower, the heat that LED produces in the course of the work is difficult in time conduct on the lampshade and be distributed in the air, causes LED to burn out owing to temperature rise is too high unavoidably.
The utility model content:
The purpose of this utility model is to provide a kind of structure improved LED fluorescent tube at the deficiencies in the prior art, and this LED fluorescent tube conducts heat soon, radiating efficiency is high.
For achieving the above object, the utility model adopts following technical scheme:
A kind of structure improved LED fluorescent tube, it comprises by substrate and is located at fluorescent tube body that the light-guiding shade on the substrate surrounds, is installed in the led chip group on the substrate, and is arranged on the power supply on the substrate; Described substrate front portion is provided with the mounting groove that is used to install the led chip group; Described substrate back vertically is provided with a plurality of radiating fins, and described radiating fin is disposed on substrate back, has the heat exchange groove for circulation of air between two adjacent radiating fins; Be fitted with light gathering baffle-board on the described led chip group, described light gathering baffle-board comprises the base plate that fits on the led chip group, offers the installing hole that is used for ccontaining LED bulb on the described base plate; Be bent into to described base plate bilateral symmetry the light collecting part of ramped shaped.
The further technical scheme of the utility model comprises:
Described power supply comprises main circuit board and the parallel circuit plate that is separately fixed at the substrate two ends, and described main circuit board and parallel circuit plate are electrically connected.
There is end cap at described body two ends capping respectively, and described end cap has extended shield in body, and described shield hides respectively in main circuit board and parallel circuit plate the place ahead.
Described end cap outer end convexes with the card post.
Described mounting groove bottom land offers the screwed hole of the led chip group that is used to be spirally connected.
Offer the Wire channel in building that is used for ccontaining power line on the described mounting groove side channel wall.
Described substrate front end convexes with the position-limit foot that is used for fixing light gathering baffle-board.
Offer the chute that is complementary with LED fluorescent tube light-guiding shade edge on the described substrate.
Be connected to the locus circle at LED fluorescent tube light-guiding shade outward flange place in the top, cross section of all described radiating fins is equal.
Described radiating fin and described substrate are one-body molded.
The utility model beneficial effect is: adopt the utility model, in the use, the heat that produces when the led chip group is luminous conducts to substrate through described mounting groove bottom land, and by substrate back, and the radiating fin that is arranged at substrate back with exchange heat to air, reach the heat radiation purpose, because the surface of substrate and each radiating fin is radiating surface, area of dissipation is big, and radiating effect is good; And have the heat exchange groove between two adjacent radiating fins, so radiating efficiency height.
Simultaneously, the light part that the led chip group is sent directly transmits fluorescent tube through light-guiding shade, remainder scatters to the light gathering baffle-board surface, and in the reflection of the surface of base plate and described light collecting part formation minute surface, thereby form the high light beam of the degree of polymerization, in light-guiding shade, transmit fluorescent tube again, reduced the light loss consumption, improved illumination brightness; And all some enters the range of exposures of other LED bulb through the utility model reflection to the light that sends owing to each LED bulb, so make the light illumination uniformity height that transmits fluorescent tube.
Description of drawings:
Accompanying drawing 1 is the utility model schematic cross-section;
Accompanying drawing 2 is schematic cross-sections of the utility model substrate;
Accompanying drawing 3 is decomposing schematic representations of the present utility model;
Accompanying drawing 4 is structural representations of the utility model light gathering baffle-board.
The specific embodiment:
Below in conjunction with accompanying drawing the utility model is further described, sees that shown in the accompanying drawing 1,2,3,4, this is preferred embodiment of the present utility model; A kind of structure improved LED fluorescent tube, it comprises by substrate 1 and is located at fluorescent tube body that the light-guiding shade 3 on the substrate 1 surrounds, is installed in the led chip group 2 on the substrate 1, and is arranged on the power supply on the substrate 1; Described substrate front portion is provided with the mounting groove 11 that is used to install led chip group 2; Described substrate 1 back side vertically is provided with a plurality of radiating fins 12, and described radiating fin 12 is disposed on substrate 1 back side, and two 12 of adjacent radiating fins have the heat exchange groove 17 for circulation of air; Be fitted with light gathering baffle-board 5 on the described led chip group 2, described light gathering baffle-board 5 comprises the base plate 51 that fits on the led chip group 2, offers the installing hole 53 that is used for ccontaining LED bulb 21 on the described base plate 51; Be bent into to described base plate 51 bilateral symmetry the light collecting part 52 of ramped shaped.
Wherein, as shown in Figure 4, the bending place, base plate 51 both sides of the described light gathering baffle-board 5 of present embodiment is concaved with intermittent line 54.This mainly is to be convenient to bending, makes base plate 51 both sides be bent into light collecting part 52 equably along described intermittent line 54, thereby guarantees the reflecting condensation effect of the utility model to led chip group 2.
The bending angle of the described light collecting part 52 of present embodiment is 15 °～60 °.Generally speaking, described bending angle is big more, and then the irradiated area of LED fluorescent tube is big more, but the light intensity in the range of exposures is low more, and illumination brightness is low more; And bending angle is more little, and then irradiated area is more little, and the light intensity in the range of exposures is strong more, and illumination brightness is high more; So according to actual needs, described bending angle can be chosen suitable value in above-mentioned scope; Preferably, the described bending angle of present embodiment is chosen in 30 °～45 ° scopes.
See shown in the accompanying drawing 1 that the described led chip group 2 of present embodiment is fixed in the described mounting groove 11, led chip group 2 back sides are close to mounting groove 11 bottom lands and are installed; In the use, the heat that led chip group 2 produces when luminous conducts to substrate 1 through described mounting groove 11 bottom lands, and by substrate 1 back side, and the radiating fin 12 that is arranged at substrate 1 back side with exchange heat to air, reach the heat radiation purpose, because the surface of substrate 1 and each radiating fin 12 is radiating surface, area of dissipation is big, and radiating effect is good; And two 12 of adjacent radiating fins have heat exchange groove 17, so the radiating efficiency height.
The light part that led chip group 2 is sent directly transmits fluorescent tube through light-guiding shade 3, remainder scatters to light gathering baffle-board 5 surfaces, and in the reflection of the surface of base plate 51 and described light collecting part 52 formation minute surface, thereby form the high light beam of the degree of polymerization, in light-guiding shade 3, transmit fluorescent tube again, reduce the light loss consumption, improved illumination brightness; And all some enters the range of exposures of other LED bulb 21 through the utility model reflection to the light that sends owing to each LED bulb 21, so make the light illumination uniformity height that transmits fluorescent tube.
See shown in the accompanying drawing 3 that the described power supply of present embodiment comprises main circuit board 61 and the parallel circuit plate 62 that is separately fixed at substrate 1 two ends, described main circuit board 61 and parallel circuit plate 62 are electrically connected.Adopt such structure, the LED power supply is placed on main circuit board 61 and the parallel circuit plate 62, is arranged on described body two ends; During LED fluorescent tube electrified light emitting, in the middle of light-emitting zone was positioned at, the light-emitting zone branch was not located at two ends, and is little to the illuminating effect influence of fluorescent tube like this.
See shown in the accompanying drawing 3 that there is end cap 7 at the described body of present embodiment two ends capping respectively, described end cap 7 has extended shield 71 in body, and described shield 71 hides respectively in main circuit board 61 and parallel circuit plate 62 the place aheads.Like this, during the LED lamp luminescence, light-emitting zone is hidden by two shields 71 respectively, can not produce shadow, has further reduced not light-emitting zone to the influence of LED fluorescent tube illuminating effect.
Wherein, the described end cap of present embodiment 7 outer ends convex with card post 72.Described card post 72 be used for be fixed on building on lamp bracket be connected, offer draw-in groove on the lamp bracket, described LED fluorescent tube snaps in draw-in groove by described card post 72, thereby finishes the installation of LED fluorescent tube.
See shown in accompanying drawing 1 or the accompanying drawing 2 that described mounting groove 11 bottom lands of present embodiment offer the screwed hole 13 of the led chip group 2 that is used to be spirally connected; Described led chip group 2 is fixed in the mounting groove 11 by described screwed hole 13.Certainly, led chip group 2 also can adopt connected mode such as bonding to be fixed on described mounting groove 11 bottom lands.
See shown in the accompanying drawing 2, offer the Wire channel in building 14 that is used for ccontaining power line 4 on the described mounting groove 11 side channel walls of present embodiment.Specifically, present embodiment offers Wire channel in building 14 symmetrically on described mounting groove 11 both sides cell walls; Power line 4 is contained in the described Wire channel in building 14 and fixed-site has avoided power line 4 to twine mounting groove 11 in like this, has both made described mounting groove 11 inside succinctly, has strengthened the security performance of LED fluorescent tube again.
See shown in accompanying drawing 1 and the accompanying drawing 2 that described substrate 1 front end of present embodiment convexes with the position-limit foot 15 that is used for fixing light gathering baffle-board 5; Described position-limit foot 15 comprises drift angle 151 and hypotenuse 152; Described position-limit foot 15 is used to limit the position of light gathering baffle-board 5.Light gathering baffle-board 5 is close to led chip group 2 and is installed on the described substrate 1, is used for the light that led chip group 2 is sent is carried out optically focused.As shown in Figure 2,2 installations of led chip group are close in described light gathering baffle-board 5 bottoms, and its side snaps in the described position-limit foot 15, and the side front end of light gathering baffle-board 5 is tight against described drift angle 151, and its outer surface is close to described hypotenuse 152; Like this, described light gathering baffle-board 5 promptly is fixed on the substrate 1, can carry out the optically focused reflection with the light that the fixed sides inclination angle is sent led chip group 2, further improves the optically focused degree of LED fluorescent tube.
See shown in the accompanying drawing 2, offer the chute 16 that is complementary with LED fluorescent tube light-guiding shade 3 edges shown in the present embodiment on the described substrate 1; Also that is to say that described light-guiding shade 3 edges are provided with the Access Division, light-guiding shade 3 snaps in the chute 16 of substrate 1 by described Access Division, thereby realizes the clamping of light-guiding shade 3 and described substrate 1, and this brings convenience for assembling of light-guiding shade 3.
See shown in the accompanying drawing 1, be connected to the locus circle 31 at LED fluorescent tube light-guiding shade 3 outward flange places in the top, cross section of all described radiating fins 12 of present embodiment is equal.Like this, adopt the LED fluorescent tube cross section of present embodiment rounded, both attractive in appearance, help again installing.
Wherein, described radiating fin 12 of present embodiment and described substrate 1 are one-body molded.This is the processing for the ease of present embodiment, described substrate 1 of present embodiment and radiating fin 12 all can adopt the good metal materials of heat conductivility such as cast aluminium or cast iron to make, in process, can adopt the method one cast molding substrate 1 and the radiating fin 12 of casting, so both helped cutting down finished cost, and moulding all-in-one-piece substrate 1 and radiating fin 12 can more promptly conduct heat, finish heat radiation.
The above only is a better embodiment of the present utility model, so all equivalences of doing according to the described structure of the utility model patent claim, feature and principle change or modify, is included in the utility model patent claim.
Claims (10)
1, a kind of structure improved LED fluorescent tube, it comprises by substrate (1) and is located at fluorescent tube body that the light-guiding shade (3) on the substrate (1) surrounds, is installed in the led chip group (2) on the substrate (1), and is arranged on the power supply on the substrate (1); Described substrate (1) front portion is provided with the mounting groove (11) that is used to install led chip group (2); It is characterized in that: described substrate (1) back side vertically is provided with a plurality of radiating fins (12), and described radiating fin (12) is disposed on substrate (1) back side, has the heat exchange groove (17) for circulation of air between two adjacent radiating fins (12); Be fitted with light gathering baffle-board (5) on the described led chip group (2), described light gathering baffle-board (5) comprises the base plate (51) that fits on the led chip group (2), offers the installing hole (53) that is used for ccontaining LED bulb (21) on the described base plate (51); Be bent into to described base plate (51) bilateral symmetry the light collecting part (52) of ramped shaped.
2, a kind of structure improved LED fluorescent tube according to claim 1, it is characterized in that: described power supply comprises main circuit board (61) and the parallel circuit plate (62) that is separately fixed at substrate (1) two ends, and described main circuit board (61) and parallel circuit plate (62) are electrically connected.
3, a kind of structure improved LED fluorescent tube according to claim 2, it is characterized in that: there is end cap (7) at described body two ends capping respectively, described end cap (7) has extended shield (71) in body, described shield (71) hides respectively in main circuit board (61) and parallel circuit plate (62) the place ahead.
4, a kind of structure improved LED fluorescent tube according to claim 3, it is characterized in that: described end cap (7) outer end convexes with card post (72).
5, according to any described a kind of structure improved LED fluorescent tube of claim 1～4, it is characterized in that: described mounting groove (11) bottom land offers the screwed hole (13) of led chip group (2) that are used to be spirally connected.
6, a kind of structure improved LED fluorescent tube according to claim 5 is characterized in that: offer the Wire channel in building (14) that is used for ccontaining power line (4) on described mounting groove (11) the side channel wall.
7, a kind of structure improved LED fluorescent tube according to claim 6, it is characterized in that: described substrate (1) front end convexes with the position-limit foot (15) that is used for fixing light gathering baffle-board (5).
8, a kind of structure improved LED fluorescent tube according to claim 7 is characterized in that: offer the chute (16) that is complementary with LED fluorescent tube light-guiding shade (3) edge on the described substrate (1).
9, a kind of structure improved LED fluorescent tube according to claim 8 is characterized in that: the locus circle (31) that is connected to LED fluorescent tube light-guiding shade outward flange place in the top, cross section of all described radiating fins (12) is equal.
10, a kind of structure improved LED fluorescent tube according to claim 9 is characterized in that: described radiating fin (12) is one-body molded with described substrate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200541666U CN201420967Y (en) | 2009-04-08 | 2009-04-08 | LED lamp tube with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200541666U CN201420967Y (en) | 2009-04-08 | 2009-04-08 | LED lamp tube with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201420967Y true CN201420967Y (en) | 2010-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200541666U Expired - Fee Related CN201420967Y (en) | 2009-04-08 | 2009-04-08 | LED lamp tube with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201420967Y (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922639A (en) * | 2010-07-23 | 2010-12-22 | 苏州京东方茶谷电子有限公司 | Led fluorescent lamp tube |
| CN101922638A (en) * | 2010-08-24 | 2010-12-22 | 鸿富锦精密工业（深圳）有限公司 | LED fluorescent lamp |
| CN101922636A (en) * | 2010-08-20 | 2010-12-22 | 东莞市实达光电科技有限公司 | LED fluorescent lamp with replaceable power supply |
| CN102121690A (en) * | 2010-12-29 | 2011-07-13 | 范靖 | Radiating device for light distribution of LED (light-emitting diode) lamp |
| CN102997102A (en) * | 2011-09-13 | 2013-03-27 | 苏州益而益光电有限公司 | Light emitting diode (LED) lamp |
| WO2013120417A1 (en) * | 2012-02-17 | 2013-08-22 | 深圳安嵘光电产品有限公司 | Light guiding lamp |
| WO2013131492A1 (en) * | 2012-03-09 | 2013-09-12 | 深圳嘉信高能源技术股份有限公司 | Led lamp emitting even light |
| CN103335230A (en) * | 2013-06-28 | 2013-10-02 | 宁波福泰电器有限公司 | High-effect LED (Light Emitting Diode) fluorescent lamp |
| CN103763810A (en) * | 2013-10-17 | 2014-04-30 | 永磁电子（东莞）有限公司 | LED-lamp infrared control device |
| WO2014101251A1 (en) * | 2012-12-31 | 2014-07-03 | 深圳市耀星光电子有限公司 | Led fluorescent lamp |
| CN103968353A (en) * | 2013-01-31 | 2014-08-06 | 欧司朗有限公司 | Housing, lighting device comprising housing and manufacturing method thereof, and tube |
| CN104896324A (en) * | 2014-03-04 | 2015-09-09 | 松下知识产权经营株式会社 | Illumination light source and illumination device |
| CN107062073A (en) * | 2017-04-06 | 2017-08-18 | 中山市意米欧照明有限公司 | A kind of LED |
-
2009
- 2009-04-08 CN CN2009200541666U patent/CN201420967Y/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922639B (en) * | 2010-07-23 | 2012-03-21 | 苏州京东方茶谷电子有限公司 | Led fluorescent lamp tube |
| CN101922639A (en) * | 2010-07-23 | 2010-12-22 | 苏州京东方茶谷电子有限公司 | Led fluorescent lamp tube |
| CN101922636A (en) * | 2010-08-20 | 2010-12-22 | 东莞市实达光电科技有限公司 | LED fluorescent lamp with replaceable power supply |
| CN101922638A (en) * | 2010-08-24 | 2010-12-22 | 鸿富锦精密工业（深圳）有限公司 | LED fluorescent lamp |
| CN102121690A (en) * | 2010-12-29 | 2011-07-13 | 范靖 | Radiating device for light distribution of LED (light-emitting diode) lamp |
| CN102997102A (en) * | 2011-09-13 | 2013-03-27 | 苏州益而益光电有限公司 | Light emitting diode (LED) lamp |
| WO2013120417A1 (en) * | 2012-02-17 | 2013-08-22 | 深圳安嵘光电产品有限公司 | Light guiding lamp |
| WO2013131492A1 (en) * | 2012-03-09 | 2013-09-12 | 深圳嘉信高能源技术股份有限公司 | Led lamp emitting even light |
| WO2014101251A1 (en) * | 2012-12-31 | 2014-07-03 | 深圳市耀星光电子有限公司 | Led fluorescent lamp |
| CN103968353A (en) * | 2013-01-31 | 2014-08-06 | 欧司朗有限公司 | Housing, lighting device comprising housing and manufacturing method thereof, and tube |
| CN103335230A (en) * | 2013-06-28 | 2013-10-02 | 宁波福泰电器有限公司 | High-effect LED (Light Emitting Diode) fluorescent lamp |
| WO2014206359A1 (en) * | 2013-06-28 | 2014-12-31 | 宁波福泰电器有限公司 | High-efficiency led fluorescent lamp |
| CN103763810A (en) * | 2013-10-17 | 2014-04-30 | 永磁电子（东莞）有限公司 | LED-lamp infrared control device |
| CN104896324A (en) * | 2014-03-04 | 2015-09-09 | 松下知识产权经营株式会社 | Illumination light source and illumination device |
| CN104896324B (en) * | 2014-03-04 | 2017-09-12 | 松下知识产权经营株式会社 | Illumination light source and lighting device |
| CN107062073A (en) * | 2017-04-06 | 2017-08-18 | 中山市意米欧照明有限公司 | A kind of LED |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100310 Termination date: 20110408 |