CN201902901U - Alternating current light emitting diode (LED) fluorescent lamp - Google Patents
Alternating current light emitting diode (LED) fluorescent lamp Download PDFInfo
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- CN201902901U CN201902901U CN2010206265840U CN201020626584U CN201902901U CN 201902901 U CN201902901 U CN 201902901U CN 2010206265840 U CN2010206265840 U CN 2010206265840U CN 201020626584 U CN201020626584 U CN 201020626584U CN 201902901 U CN201902901 U CN 201902901U
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- 239000000463 material Substances 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000006837 decompression Effects 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 241001025261 Neoraja caerulea Species 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000843 powder Substances 0.000 abstract 3
- 230000002688 persistence Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
The utility model provides an alternating current light emitting diode (LED) fluorescent lamp which is driven by not using a switching power supply and can be directly driven by using alternating current. The alternating current LED fluorescent lamp comprises two lamp holders, a radiator, a light source circuit board, a direct current LED light source, a lamp housing and a driving plate, wherein the radiator, the light source circuit board and the lamp housing are arranged between the two lamp holders; the radiator is arranged opposite to the lamp housing, and a closed entire body is formed by the radiator, the lamp housing and the two lamp holders together; the direct current LED light source is arranged on the light source circuit board; the driving plate is electrically connected with the light source circuit board; and the lamp housing is provided with fluorescent powder with a persistence characteristic. In the alternating current LED fluorescent lamp, a direct current LED and the fluorescent powder are utilized, the lamp is directly ignited at the alternating voltage of 220V or 110V, and meanwhile, the fluorescent powder has high-persistence brightness of over 20ms, and when the lamp works under the alternating current power supply of not less than 50HZ, the lighting brightness at quiescent interval can be made up, and the stroboscopic effect is eliminated to obtain stable white light.
Description
Technical field
The utility model relates to the LED fluorescent lamp, especially a kind of AC LED fluorescent lamp.
Background technology
Along with human society is constantly progressive, urbanization process is more and more faster, and resource consumption and environmental pollution are following, and becomes the key factor that hinders Community health's development, and the new technology of various raising efficiency of energy utilization, the demand of new equipment are increasing.At lighting field, the technological progress under this background of LED semiconductor lighting is very fast, is progressively accepted by market, and the application scale is increasing.In existing LED lighting apparatus, adopt the Switching Power Supply constant-current drive technology of comparative maturity mostly, its advantage is that operating current is stable, the actuation techniques comparative maturity.But some significant disadvantages are also arranged, and the reliability of driver is not very high, and the life-span generally all is lower than the life-span of led light source.In the small size light fixture, the conversion efficiency of driver is all not too high, and the volume of light fixture is difficult to do little.A kind of mode that adopts integrated circuit now also occurs, a lot of little chips have been packaged together by string and compound mode, can directly use the LED of 220V or 110V alternating current.It is high that but this scheme requires encapsulation technology, and the equipment input is bigger, and cost is higher relatively.
The utility model content
Technical problem to be solved in the utility model provides a kind of without the Switching Power Supply driving, can directly use to exchange electrically driven (operated) AC LED fluorescent lamp, and have the advantage that cost is low, volume is little, conversion efficiency is high.
The technical scheme that the utility model technical solution problem is adopted is: the AC LED fluorescent lamp, comprise 2 lamp sockets, radiator, circuit of light sources plate, direct-current LED light source and lampshade, described radiator, circuit of light sources plate and lampshade are installed between 2 lamp sockets, described radiator and lampshade are oppositely arranged and constitute a sealing integral body with 2 lamp sockets, described direct-current LED light source is arranged on the described circuit of light sources plate, also comprise drive plate, described drive plate is electrically connected with the circuit of light sources plate, and described lampshade is provided with the fluorescent material with light-decay characteristic.
The beneficial effects of the utility model are: abandoned and adopted the Switching Power Supply driving method that the life-span is short, volume is big, cost is higher, after directly adopting the simple electronic circuit rectification, utilize direct-current LED and fluorescent material, under 220V or 110V alternating voltage, directly light, fluorescent material has the above high after-glow brightness of 20ms simultaneously, when guaranteeing to work under being not less than the AC power of 50HZ, can remedy the luminosity of intermittent time, eliminate stroboscopic effect, obtain stable white light.
Description of drawings
Fig. 1 is front view of the present utility model (part section);
Fig. 2 is the A-A profile of Fig. 1;
Fig. 3 is the schematic cross-section of radiator of the present utility model;
Fig. 4 is the structural representation of lamp socket of the present utility model;
Fig. 5 is a circuit connection diagram of the present utility model;
Fig. 6 is an another kind of circuit connection diagram of the present utility model;
Fig. 7 is the third circuit connection diagram of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described further:
As Fig. 1-shown in Figure 4, AC LED fluorescent lamp of the present utility model comprises lamp socket 1, radiator 2, drive plate 3, circuit of light sources plate 4, direct-current LED light source 5 and lampshade 6.Described radiator 2, circuit of light sources plate 4 and lampshade 6 are installed between 2 lamp sockets 1, described radiator 2 and lampshade 6 are oppositely arranged and constitute a sealing integral body with 2 lamp sockets 1, described direct-current LED light source 5 is arranged on the circuit of light sources plate 4, described drive plate 3 is electrically connected with circuit of light sources plate 4, and described lampshade 4 is provided with the fluorescent material with light-decay characteristic.
Lampshade 6 is arranged in the mounting groove 204 of radiator 2, and promptly lampshade 4 is fixed on the radiator 2 by the bayonet socket mode, also can be fixed on the radiator 2 by the mode of playing glue.
Circuit of light sources plate 4 is arranged on the slot 202 of radiator 2, circuit of light sources plate 4 is provided with circuit, direct-current LED light source 5 is welded on circuit of light sources plate 4 by the mode of series, parallel or connection in series-parallel combination, and circuit of light sources plate 4 conducts the heat that direct-current LED light source 5 produces by radiator 2.Described circuit of light sources plate 4 adopts the good material of heat conduction to make, and can be metal, pottery or copper foil material.Above-mentioned direct-current LED light source 5 is direct current blue-ray LED, direct current purple LED or direct current ultraviolet leds.
At the fluorescent material that surface applied one deck of lampshade 6 has light-decay characteristic, the fluorescent material that perhaps will have light-decay characteristic is blended in PC or the PWMA material, and the mode through casting or die casting forms the lampshade 6 with homodisperse fluorescent material again.Above-mentioned fluorescent material with light-decay characteristic can be the gold-tinted fluorescent material that is excited by blue-ray LED, also can be the blue light that excites of purple LED and the mixture of gold-tinted fluorescent material, can also be the mixture of the redgreenblue fluorescent material that excites of ultraviolet leds.
Above-mentioned drive plate 3 adopts one deck insulating materials to isolate, and prevents short circuit.Drive plate 3 comprises protective tube 301, rectifier cell 302 and current-limiting resistance 303, can also comprise decompression capacitor 304 and/or inductance 305, adopts the connected mode of series connection, and the physical circuit connected mode has following three kinds:
First kind as shown in Figure 5, drive plate 3 comprises protective tube 301, rectifier cell 302 and current-limiting resistance 303, rectifier cell 302, current-limiting resistance 303 are connected with the mode of direct-current LED light source 5 by series connection, and in parallelly connect with protective tube 301 after one or more groups again, can certainly be not in parallel.When circuit passed to 220V or 110V alternating current, under improper situation, under the promptly extra-heavy situation, protective tube 301 was as the safeguard protection element in the circuit, by self fusing safety cut-off and holding circuit.And rectifier cell 302 becomes direct current that circuit is powered AC rectification, lights direct-current LED light source 5, and current-limiting resistance 303 plays electric current in the restriction circuit, and protection direct-current LED light source 5 does not suffer the impact of big electric current.
Second kind as shown in Figure 6, drive plate 3 comprises protective tube 301, rectifier cell 302, current-limiting resistance 303 and decompression capacitor 304, rectifier cell 302, current-limiting resistance 303, decompression capacitor 304 are connected with the mode of direct-current LED light source 5 by series connection, and in parallel connect with protective tube 301 again after one or more groups, can certainly be not in parallel.When circuit passed to 220V or 110V alternating current, under improper situation, under the promptly extra-heavy situation, protective tube 301 was as the safeguard protection element in the circuit, by self fusing safety cut-off and holding circuit.And rectifier cell 302 becomes direct current that circuit is powered AC rectification, lights direct-current LED light source 5, and current-limiting resistance 303 plays electric current in the restriction circuit, and protection direct-current LED light source 5 does not suffer the impact of big electric current.Decompression capacitor 304 plays step-down and current limliting, utilize its capacitive reactance that under the AC signal frequency, produces to limit maximum operating current, after obtaining stable electric current, become direct current that circuit is powered AC rectification by rectifier cell 302 again, light direct-current LED light source 5.
The third as shown in Figure 7, drive plate 3 comprises protective tube 301, rectifier cell 302, current-limiting resistance 303, decompression capacitor 304 and inductance 305, rectifier cell 302, current-limiting resistance 303, decompression capacitor 304, inductance 305 are connected with the mode of direct-current LED light source 5 by series connection, and in parallel connect with protective tube 301 again after one or more groups, can certainly be not in parallel.When circuit passed to 220V or 110V alternating current, under improper situation, under the promptly extra-heavy situation, protective tube 301 was as the safeguard protection element in the circuit, by self fusing safety cut-off and holding circuit.And rectifier cell 302 becomes direct current that circuit is powered AC rectification, lights direct-current LED light source 5, and current-limiting resistance 303 plays electric current in the restriction circuit, and protection direct-current LED light source 5 does not suffer the impact of big electric current.Decompression capacitor 304 plays step-down and current limliting, utilize its capacitive reactance that under the AC signal frequency, produces to limit maximum operating current, after obtaining stable electric current, become direct current that circuit is powered AC rectification by rectifier cell 302 again, light direct-current LED light source 5.Inductance 305 plays step-down constant current and power factor compensation.
Lamp socket 1 can adopt the plastic materials such as ABS, PC of insulation to make, and also can adopt ceramic material to make.Respectively be provided with 2 copper electrodes of connecting by shorting stub 103 101 on 2 lamp sockets 1, and by copper electrode 101 outgoing cables 104, drive plate 3, circuit of light sources plate 4 and cable 104 are electrically connected, cable 104 is connected with the AC-N item and the AC-L item of civil power respectively, just 2 cables 104 on the circuit of light sources plate 4 are connected with the AC-N item and the AC-L item of civil power respectively, can obtain direct current pulse power source by drive plate 3, in order to drive direct-current LED light source 5.When supplying with the alternating current of 220V, 50Hz or 110V, 60Hz, just can light the direct-current LED light source 5 on the circuit of light sources plate 4, light-emitting phosphor on the optical excitation lampshade 6 that produces, the light that light that direct-current LED light source 5 produces and fluorescent material send forms white light through behind the mixed light, and simultaneously, the fluorescent material of lampshade 6 has the above high after-glow brightness of 20ms, guarantee under the frequency of 50HZ or 60HZ, can remedy the luminosity of intermittent time, eliminate stroboscopic effect, obtain stable white light.
The contact pin interface size of above-mentioned lamp socket 1 can be T10, T8, T5 and T4 etc.
Claims (10)
1. AC LED fluorescent lamp, comprise 2 lamp sockets (1), radiator (2), circuit of light sources plate (4), direct-current LED light source (5) and lampshade (6), described radiator (2), circuit of light sources plate (4) and lampshade (6) are installed between 2 lamp sockets (1), described radiator (2) and lampshade (6) are oppositely arranged and constitute a sealing integral body with 2 lamp sockets (1), described direct-current LED light source (5) is arranged on the described circuit of light sources plate (4), it is characterized in that: also comprise drive plate (3), described drive plate (3) is electrically connected with circuit of light sources plate (4), and described lampshade (4) is provided with the fluorescent material with light-decay characteristic.
2. AC LED fluorescent lamp according to claim 1, it is characterized in that: described radiator (2) is provided with slot (202), division board (203) and mounting groove (204), described lampshade (6) is arranged in the mounting groove (204), and described circuit of light sources plate (4) is arranged on the slot (202).
3. AC LED fluorescent lamp according to claim 1 is characterized in that: described direct-current LED light source (5) is direct current blue-ray LED, direct current purple LED or direct current ultraviolet leds.
4. AC LED fluorescent lamp according to claim 1 is characterized in that: described drive plate (3) comprises protective tube (301), rectifier cell (302) and current-limiting resistance (303).
5. AC LED fluorescent lamp according to claim 4 is characterized in that: described drive plate (3) also comprises decompression capacitor (304) and/or inductance (305).
6. AC LED fluorescent lamp according to claim 1 is characterized in that: the fluorescent material that surface applied one deck of described lampshade (4) has light-decay characteristic.
7. AC LED fluorescent lamp according to claim 1 is characterized in that: described lampshade has homodisperse fluorescent material in (4).
8. AC LED fluorescent lamp according to claim 1, it is characterized in that: described fluorescent material is the gold-tinted fluorescent material that is excited by blue-ray LED, or the blue light that excites of purple LED and the mixture of gold-tinted fluorescent material, or the mixture of the redgreenblue fluorescent material that excites of ultraviolet leds.
9. AC LED fluorescent lamp according to claim 1 is characterized in that: 2 cables (104) on the described circuit of light sources plate (4) are connected with the AC-N item and the AC-L item of civil power respectively.
10. AC LED fluorescent lamp according to claim 1, it is characterized in that: respectively be provided with 2 copper electrodes of connecting by shorting stub (103) (101) on described 2 lamp sockets (1), and by copper electrode (101) outgoing cable (104), described drive plate (3), circuit of light sources plate (4) and cable (104) are electrically connected, and the cable (104) on 2 lamp sockets (1) is connected with the AC-N item and the AC-L item of civil power respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010206265840U CN201902901U (en) | 2010-11-26 | 2010-11-26 | Alternating current light emitting diode (LED) fluorescent lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2010206265840U CN201902901U (en) | 2010-11-26 | 2010-11-26 | Alternating current light emitting diode (LED) fluorescent lamp |
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CN201902901U true CN201902901U (en) | 2011-07-20 |
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CN2010206265840U Expired - Fee Related CN201902901U (en) | 2010-11-26 | 2010-11-26 | Alternating current light emitting diode (LED) fluorescent lamp |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103411140A (en) * | 2012-11-29 | 2013-11-27 | 大连三维传热技术有限公司 | Manufacturing method of lamp-cover-supporting LED tubular lamp with self-clamping heat transmission substrate |
CN107513385A (en) * | 2017-08-14 | 2017-12-26 | 苏州轻光材料科技有限公司 | A kind of white light for illumination LED fluorescent powder composition |
-
2010
- 2010-11-26 CN CN2010206265840U patent/CN201902901U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103411140A (en) * | 2012-11-29 | 2013-11-27 | 大连三维传热技术有限公司 | Manufacturing method of lamp-cover-supporting LED tubular lamp with self-clamping heat transmission substrate |
CN103411140B (en) * | 2012-11-29 | 2015-05-20 | 大连三维传热技术有限公司 | Manufacturing method of lamp-cover-supporting LED tubular lamp with self-clamping heat transmission substrate |
CN107513385A (en) * | 2017-08-14 | 2017-12-26 | 苏州轻光材料科技有限公司 | A kind of white light for illumination LED fluorescent powder composition |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 611731 Sichuan city of Chengdu province high tech Zone (West) New Road No. 2 Patentee after: Sichuan Sunfor Light Co., Ltd. Address before: 611731 Sichuan city of Chengdu province high tech Zone (West) New Road No. 2 Patentee before: Sichuan Sunfor Lighting Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20181126 |
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CF01 | Termination of patent right due to non-payment of annual fee |