CN102628551A - Light-emitting diode (LED) fluorescent lamp - Google Patents

Light-emitting diode (LED) fluorescent lamp Download PDF

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Publication number
CN102628551A
CN102628551A CN2012100523772A CN201210052377A CN102628551A CN 102628551 A CN102628551 A CN 102628551A CN 2012100523772 A CN2012100523772 A CN 2012100523772A CN 201210052377 A CN201210052377 A CN 201210052377A CN 102628551 A CN102628551 A CN 102628551A
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CN
China
Prior art keywords
light
emitting area
led
fluorescent tube
fluorescent
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Granted
Application number
CN2012100523772A
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Chinese (zh)
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CN102628551B (en
Inventor
王新平
钱迅雷
韩江平
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HANGZHOU SUPERHIGHWAY PHOTOELECTRONIC TECHNOLOGY Co Ltd
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HANGZHOU SUPERHIGHWAY PHOTOELECTRONIC TECHNOLOGY Co Ltd
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Priority to CN201210052377.2A priority Critical patent/CN102628551B/en
Publication of CN102628551A publication Critical patent/CN102628551A/en
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Publication of CN102628551B publication Critical patent/CN102628551B/en
Expired - Fee Related legal-status Critical Current
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  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The invention relates to a light-emitting diode (LED) fluorescent lamp. The LED fluorescent lamp comprises a straight rod-shaped lamp tube and a plurality of LED lamp beads arranged in the lamp tube, wherein the lamp tube is provided with a first light-emitting surface and a second light-emitting surface extending along the length direction; the included angle between the first light-emitting surface and the second light-emitting surface is less than 180 degrees; and the LED lamp beads are distributed on the first light-emitting surface and the second light-emitting surface. The invention aims to provide the LED fluorescent lamp, which has the light-emitting angle larger than that of each LED lamp bead, adjustable light-emitting angle and adjustable lighting direction and solves the problems of increased lighting cost and large occupied space caused by that a plurality of lamps are required for large-angle lighting because the lighting angle of the conventional fluorescent lamp is not larger than that of the LED lamp bead and the problems of unadjustable light-emitting angle and unadjustable lighting direction.

Description

The LED fluorescent lamp
Technical field
The present invention relates to the LED lamp, relate in particular to a kind of LED fluorescent lamp, belong to lighting field.
Background technology
Because LED has that volume is little, power consumption is low, long service life, high brightness, low in calories, cold light source, environmental protection and advantage such as sturdy and durable, in light fixture, is widely used.
Mounting means when LED is applied to light fixture is for installing LED lamp pearl in the circuit board, and the wiring board that will be provided with LED lamp pearl then is installed on the corresponding light fixture, and when brightness requirement was high, the corresponding quantity that increases the LED lamp pearl on the LED wiring board got final product.
At the Chinese patent Granted publication number is CN201487609U; Name is called in the patent documentation of " LED fluorescent tube " and discloses a kind of LED fluorescent tube, and the fluorescent tube in this patent comprises a plastic jacket and a heat dissipating housing, plastic jacket and heat dissipating housing formation spatial accommodation; In spatial accommodation, be provided with light source assembly; Light source assembly comprises wiring board and the heat sink that is provided with LED lamp pearl, and this heat sink is provided with a light-emitting area, and wiring board is installed in parallel on the luminous flat of heat sink.It is as shown in Figure 1 with the relation of the lighting angle B of single led lamp pearl that this kind only has the lighting angle A of the LED fluorescent lamp of a light-emitting area 3 lamp when luminous; The lighting angle A that is installed in the lamp that light that all LED lamp pearls 2 in the fluorescent tube 1 are sent forms equals the luminous angle B degree of single led lamp pearl, so can't satisfy the needs that wide-angle is thrown light on.When the needs wide-angle is thrown light on, need to install a plurality of light fixtures and solve, cause the installing space of illumination cost rising, needs big; After lamp installed, then the size of illumination direction and field of illumination all can not change, and can not satisfy the demand that illumination area size and position change at any time.
Summary of the invention
One object of the present invention aims to provide the LED fluorescent lamp of a kind of luminous angle of lamp greater than the luminous angle of LED lamp pearl, has solved because existing fluorescent lamp lighting angle can not needing cause wide-angle when illumination to realize causing illumination cost to rise and the big problem that takes up room through a plurality of lamps are installed simultaneously greater than the light angle of LED lamp pearl.
Second purpose of the present invention aims to provide the LED fluorescent lamp of a kind of luminous angle adjustable size, to solve the nonadjustable problem in the luminous angle of existing LED fluorescent lamp.
The 3rd purpose of the present invention aims to provide the adjustable LED fluorescent lamp of a kind of illumination direction, to solve the nonadjustable problem of existing LED fluorescent lamp lighting direction.
Above technical problem solves through following technical proposal: a kind of LED fluorescent lamp; Comprise direct rod shape fluorescent tube and the some LED lamp pearls that are arranged in the fluorescent tube; Said fluorescent tube is provided with first light-emitting area and second light-emitting area of extending along its length; Angle between said first light-emitting area and second light-emitting area is less than 180 °, and LED lamp pearl is distributed on first light-emitting area and second light-emitting area simultaneously.Referring to Fig. 2; Because first light-emitting area 31 and second light-emitting area 32 are provided with the position relation of angle less than 180 °; The right hand edge light that is installed in the light that the lamp pearl 2 on first light-emitting area 31 sends tilts towards the right side than the right hand edge light of the light that sends of the lamp pearl 2 that sends that is installed in second light-emitting area 32 more; The left hand edge light of the light that the left hand edge light that is installed in the light that the lamp pearl 2 on second light-emitting area 32 sends sends than the lamp pearl 2 that is installed in first light-emitting area 31 is more towards left side; Make the luminous angle A of lamp greater than the luminous angle B of single led lamp pearl, luminous angle B of the luminous angle A of lamp, single led lamp pearl and the relation between the angle C between first light-emitting area and second light-emitting area are: A=B+180 °-C.
The present invention also comprises the supporting construction that bearing height is adjustable; Have one in said first light-emitting area and second light-emitting area at least for rotating, a side of rotating light-emitting area with hinged mode with fluorescent tube link together, opposite side links together with fluorescent tube through said supporting construction.During use; Through the bearing height of adjustment supporting construction, rotating light-emitting area is rotated, the result of rotation is that the angle between first light-emitting area and second light-emitting area changes; The result that angle changes be that the luminous angle of lamp changes, thereby makes the size of field of illumination of lamp produce change.When if two light-emitting areas all are designed to turn, can rotate the illumination direction that change lamp this moment through making two light-emitting areas towards same direction.
As preferably, said supporting construction comprises first holding nut on support bar and the end that is threaded in support bar, and the other end of support bar is hinged with rotating light-emitting area, and said first holding nut is connected to together with fluorescent tube.During use, the tie point that changes support bar and rotating light-emitting area through rotating nut plays the effect that rotating light-emitting area is rotated with the distance between the tie point of support bar and nut.
Preferred as another, said supporting construction is the bolt that is threaded on the fluorescent tube, and rotating light-emitting area is connected to together with the end of thread of said bolt.During use, the end of thread that changes bolt through rotating bolt is with the distance between the tie point of bolt and fluorescent tube, because rotating light-emitting area is to be resisted against all the time on the end of thread of bolt, the mobile meeting of bolt rotates light-emitting area.Rotating light-emitting area can be designed as through deadweight or the elastic force through spring and keeps being resisted against all the time on the end of thread of bolt.
As preferably, said bolt is positioned at the below of rotating light-emitting area.Make rotating light-emitting area only rely on deadweight just can be held against on the end of thread of bolt.Simple in structure.
Preferred as another, said supporting construction comprises that the back-up block, the end that are supported on the rotating light-emitting area are connected the pull bar on the back-up block and are threaded in second holding nut on the pull bar other end, and said second holding nut is connected to together with fluorescent tube.During use, through rotating second holding nut, second holding nut drives the pull bar translation, and pull bar drives the back-up block translation, because rotating light-emitting area is to be resisted against all the time on the back-up block, the translation meeting of back-up block rotates light-emitting area.Rotating light-emitting area can be designed as through deadweight or the elastic force through spring and keeps being resisted against on the back-up block all the time.
As preferably, said back-up block is a wedge.Back-up block is big with the contact-making surface between the light-emitting area, and not easy to wear in the moving process, stationarity is good.
As preferably; LED lamp pearl on first luminous flat is arranged as row along the length direction of fluorescent tube; LED lamp pearl on second luminous flat is arranged as row along the length direction of fluorescent tube, LED lamp pearl on first luminous flat and LED lamp pearl radially the staggering along fluorescent tube on second luminous flat.In lamp pearl quantity one regularly, both guaranteed the bright dipping zone that broad is radially arranged along fluorescent tube, can guarantee again all has light to send along the length direction of fluorescent tube, and the soft property and the uniformity of the light that sends of lamp are all good.
As preferably, the two ends of said fluorescent tube are provided with mount pad, and said fluorescent tube is rotatably connected on the said mount pad.During use, the present invention is fixed on the lamp socket to introduce power supply, through changing illumination direction with respect to mount pad rotation fluorescent tube through mount pad.
The present invention has following advantage, and be designed to LED lamp pearl is installed on the light-emitting area of two angles less than 180 degree, thereby make the luminous angle of lamp greater than the luminous angle of LED lamp pearl, the luminous angle of having improved lamp, the soft property of the light that lamp sent is better; Light-emitting area is designed to rotary connected mode, can changes two corner dimensions between the light-emitting area, realized the adjustable size at the luminous angle of lamp; Fluorescent tube is designed to be rotatably connected on the mount pad, can realizes the change of illumination direction.
Description of drawings
Fig. 1 is the concern sketch map of the luminous angle of existing lamp with the luminous angle of LED lamp pearl.
Fig. 2 is the concern sketch map of the luminous angle of lamp of the present invention with the luminous angle of LED lamp pearl.
Fig. 3 is the sketch map of the embodiment of the invention one.
Fig. 4 is the cross sectional representation of the embodiment of the invention one.
Fig. 5 is the sketch map of the embodiment of the invention two.
Fig. 6 is the sketch map of the embodiment of the invention three.
Fig. 7 is the sketch map of the embodiment of the invention four.
Fig. 8 is the sketch map of the embodiment of the invention five.
Fig. 9 is the sketch map of the embodiment of the invention six.
Figure 10 is the sketch map of the embodiment of the invention seven.
Among the figure: fluorescent tube 1, diffuser 11, radiator 12, the first connects ear 13, adjustment hole 14; Luminous plaque is connected ear with first hinge 15, the three connects the hinge 18 of ear 16, the second connection ears 17, the first light-emitting areas with the second connection ear, LED lamp pearl 2; The lighting angle A of lamp, the luminous angle B of LED lamp pearl, the angle C between first light-emitting area and second light-emitting area, first light-emitting area, 31, the second light-emitting areas 32; Mount pad 4, wiring board 5, supporting construction 6, support bar 61, the first holding nuts 62; Back-up block 63, pull bar 64, the second holding nuts 65, rotating shaft 7.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Embodiment one, and referring to Fig. 3, a kind of LED fluorescent lamp comprises direct rod shape fluorescent tube 1 and the some LED lamp pearls 2 that are positioned at fluorescent tube 1.Respectively be provided with a mount pad 4 at the two ends of fluorescent tube 1.Fluorescent tube 1 is fixed together with mount pad 4.Fluorescent tube 1 is provided with first light-emitting area 31 and second light-emitting area 32 of extending along its length.LED lamp pearl 2 is distributed on first light-emitting area 31 and second light-emitting area 32 simultaneously.LED lamp pearl on first light-emitting area 31 is arranged as row along the length direction of fluorescent tube 1; LED lamp pearl on second luminous flat 32 is arranged as row along the length direction of fluorescent tube 1, LED lamp pearl radially the staggering along fluorescent tube on the LED lamp pearl on first luminous flat 31 and second luminous flat 32.
Referring to Fig. 4, fluorescent tube 1 is surrounded by diffuser 11 and radiator 12 and forms.Diffuser 11 forms for the PC material.Radiator 12 forms for aluminum.First light-emitting area 31 and second light-emitting area 32 are arranged on the radiator 12, and lamp pearl 2 is installed on the corresponding light-emitting area through wiring board 5.Wiring board 5 is an aluminium base.Purpose with aluminium base is to improve heat dispersion.
Angle C between first light-emitting area and second light-emitting area is 148 °.As long as make angle C between first light-emitting area and second light-emitting area can realize adding the effect of the luminous angle A of headlight less than 180 degree during design.Form " V " shape groove between first light-emitting area 31 and second light-emitting area 32.
During use, the present invention links together with lamp socket through mount pad 4.
Embodiment two, and referring to Fig. 5, with the difference of embodiment one be: fluorescent tube 1 is rotatably connected with mount pad 4 through rotating shaft 7.During use,, fluorescent tube 1 corresponding mount pad 4 changes illumination direction through being rotated.
Embodiment three, referring to Fig. 6, with the difference of embodiment one are: radiator 12 is provided with first and connects ear 13.The right side of first light-emitting area 31 is hinged on first and connects on the ear 13.The supporting construction 6 that passes on left of first light-emitting area 31 is supported on the radiator 12.The left side of second light-emitting area 32 is hinged on first and connects on the ear 13.The right side of second light-emitting area 31 also is supported on the radiator 12 through a supporting construction 6.
Supporting construction 6 comprises the support bar 61 and first holding nut 62.The upper end of support bar 61 is hinged with light-emitting area, the lower end of support bar 61 is threaded together with first holding nut 62.First holding nut 62 is connected to together with radiator 12.
During use; Pass adjustment hole 14 with spanner and remove to rotate first holding nut 62; Drive support bar 61 during 62 rotations of first holding nut and move up and down, it serves as that axle rotates with luminous plaque is connected ear with first hinge 15 that support bar 61 drives luminous plaques, thus the change of the size of the luminous angle A of realization lamp.If make first light-emitting area 31 rotate identical angle to same direction, then can under the big or small constant situation of the luminous angle A that keeps lamp, change the illumination direction of lamp with second light-emitting area 32.
Embodiment five, and referring to Fig. 7, with the difference of embodiment four be: fluorescent tube 1 is rotatably connected with mount pad 4 through rotating shaft 7.This embodiment is than embodiment four, the angle of illumination direction can be in 360 degree scopes air-conditioning arbitrarily.And the angle change amount of illumination direction is less among the embodiment four.
Embodiment six, referring to Fig. 8, with the difference of embodiment one are: the position of second light-emitting area 32 is to be obliquely installed and nonadjustable.The lower end part that is positioned at first light-emitting area 32 at radiator 12 is provided with the second connection ear 17.On the left surface of radiator 12, be provided with the 3rd connection ear 16 that vertically extends.The right side of first light-emitting area 31 is hinged on second and connects on the ear 17, and the supporting construction 6 that passes on left of first light-emitting area 31 is supported on the radiator 12.
Supporting construction 6 comprises back-up block 63, pull bar 64 and second holding nut 65.Back-up block 63 is supported on the downside of first light-emitting area 31.The right-hand member of pull bar 64 is fixed together with back-up block 63, and second holding nut 65 is threaded on the left end of pull bar 64.The left end of pull bar 64 passes the 3rd and connects ear 16.Second holding nut 64 is connected to the 3rd and connects on the right flank of ear 16.This kind design makes second holding nut 64 be positioned at the outside of radiator 12, and is convenient during adjusting.Back-up block 63 is a wedge.
In order to make light can adjust to the circumferential ejaculation from whole diffuser 11, the inclination angle of second light-emitting area 32 and lamp pearl 2 are satisfied in the position on second light-emitting area 32: the leftmost light that is positioned at that is sent on first light-emitting area 32 just penetrates from the edge, the leftmost side of diffuser 11.
The method of the size of the luminous angle A of adjusting lamp is: rotate second holding nut 65; Second holding nut 65 drives pull bar 64 and does left and right sides translational motion; Pull bar 64 drives back-up block 63 and does left and right sides translational motion; During back-up block 63 side-to-side movements, first light-emitting area 31 serves as that axle rotates with first light-emitting area hinge 18 of the second connection ear together thereupon.
Embodiment seven, and referring to Fig. 9, with the difference of embodiment six be: fluorescent tube 1 is rotatably connected with mount pad 4 through rotating shaft 7.
Embodiment eight, and referring to Figure 10, with the difference of embodiment seven be: the left side of first light-emitting area 31 is hinged with radiator 12, and the right side of first light-emitting area 31 is supported on the radiator 12 through supporting construction 6.Second supporting construction 6 is for being threaded in the bolt on the radiator 12.First light-emitting area 31 is connected to together with the end of thread of this bolt.This bolt be positioned at can first light-emitting area 31 the below.

Claims (10)

1. LED fluorescent lamp; Comprise direct rod shape fluorescent tube and the some LED lamp pearls that are arranged in the fluorescent tube; It is characterized in that; Said fluorescent tube is provided with first light-emitting area and second light-emitting area of extending along its length, and the angle between said first light-emitting area and second light-emitting area is less than 180 °, and LED lamp pearl is distributed on first light-emitting area and second light-emitting area simultaneously.
2. LED fluorescent lamp according to claim 1; It is characterized in that; Also comprise the supporting construction that bearing height is adjustable; Have one in said first light-emitting area and second light-emitting area at least for rotating, a side of rotating light-emitting area with hinged mode with fluorescent tube link together, opposite side links together with fluorescent tube through said supporting construction.
3. LED fluorescent lamp according to claim 2; It is characterized in that; Said supporting construction comprises support bar and first holding nut that is threaded on the end of support bar; The other end of support bar is hinged with rotating light-emitting area, and said first holding nut is connected to together with fluorescent tube.
4. LED fluorescent lamp according to claim 2 is characterized in that, said supporting construction is the bolt that is threaded on the fluorescent tube, and rotating light-emitting area is connected to together with the end of thread of said bolt.
5. LED fluorescent lamp according to claim 4 is characterized in that said bolt is positioned at the below of rotating light-emitting area.
6. LED fluorescent lamp according to claim 2; It is characterized in that; Said supporting construction comprises that the back-up block, the end that are supported on the rotating light-emitting area are connected the pull bar on the back-up block and are threaded in second holding nut on the pull bar other end, and said second holding nut connects together with fluorescent tube.
7. LED fluorescent lamp according to claim 6 is characterized in that, said back-up block is a wedge.
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 described LED fluorescent lamps; It is characterized in that; LED lamp pearl on first luminous flat is arranged as row along the length direction of fluorescent tube; LED lamp pearl on second luminous flat is arranged as row along the length direction of fluorescent tube, LED lamp pearl on first luminous flat and LED lamp pearl radially the staggering along fluorescent tube on second luminous flat.
9. LED fluorescent lamp according to claim 8 is characterized in that the two ends of said fluorescent tube are provided with mount pad, and said fluorescent tube is rotatably connected on the said mount pad.
10. according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7 described LED fluorescent lamps, it is characterized in that the two ends of said fluorescent tube are provided with mount pad, said fluorescent tube is rotatably connected on the said mount pad.
CN201210052377.2A 2012-03-02 2012-03-02 Light-emitting diode (LED) fluorescent lamp Expired - Fee Related CN102628551B (en)

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CN201210052377.2A CN102628551B (en) 2012-03-02 2012-03-02 Light-emitting diode (LED) fluorescent lamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210052377.2A CN102628551B (en) 2012-03-02 2012-03-02 Light-emitting diode (LED) fluorescent lamp

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CN102628551A true CN102628551A (en) 2012-08-08
CN102628551B CN102628551B (en) 2014-05-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105570729A (en) * 2014-11-04 2016-05-11 江苏欧密格光电科技股份有限公司 LED (Light Emitting Diode) fluorescent lamp tube with large light distribution angle
CN106062462A (en) * 2014-02-11 2016-10-26 飞利浦灯具控股公司 Tubular lighting fixture.
CN108119784A (en) * 2018-01-29 2018-06-05 深圳市必拓电子股份有限公司 Lateral emitting downlight component and its lateral emitting bulb lamp
WO2020151625A1 (en) * 2019-01-22 2020-07-30 Zhejiang Super Lighting Electric Appliance Co., Ltd Led tube lamp

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201636629U (en) * 2010-04-07 2010-11-17 捌捌叁商贸(武汉)有限公司 LED fluorescent lamp with large light emitting angle
JP2011175805A (en) * 2010-02-23 2011-09-08 Panasonic Electric Works Co Ltd Led irradiation unit
CN202091872U (en) * 2011-06-20 2011-12-28 厦门市信达光电科技有限公司 Light-emitting diode (LED) daylight lamp structure
JP2012015012A (en) * 2010-07-02 2012-01-19 Idec Corp Led lighting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011175805A (en) * 2010-02-23 2011-09-08 Panasonic Electric Works Co Ltd Led irradiation unit
CN201636629U (en) * 2010-04-07 2010-11-17 捌捌叁商贸(武汉)有限公司 LED fluorescent lamp with large light emitting angle
JP2012015012A (en) * 2010-07-02 2012-01-19 Idec Corp Led lighting device
CN202091872U (en) * 2011-06-20 2011-12-28 厦门市信达光电科技有限公司 Light-emitting diode (LED) daylight lamp structure

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106062462A (en) * 2014-02-11 2016-10-26 飞利浦灯具控股公司 Tubular lighting fixture.
CN105570729A (en) * 2014-11-04 2016-05-11 江苏欧密格光电科技股份有限公司 LED (Light Emitting Diode) fluorescent lamp tube with large light distribution angle
CN108119784A (en) * 2018-01-29 2018-06-05 深圳市必拓电子股份有限公司 Lateral emitting downlight component and its lateral emitting bulb lamp
WO2020151625A1 (en) * 2019-01-22 2020-07-30 Zhejiang Super Lighting Electric Appliance Co., Ltd Led tube lamp

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