CN102410511B - LED (light-emitting diode) power supply and LED fluorescent lamp with same - Google Patents

LED (light-emitting diode) power supply and LED fluorescent lamp with same Download PDF

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Publication number
CN102410511B
CN102410511B CN201110388602.5A CN201110388602A CN102410511B CN 102410511 B CN102410511 B CN 102410511B CN 201110388602 A CN201110388602 A CN 201110388602A CN 102410511 B CN102410511 B CN 102410511B
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led
power supply
led power
fluorescent tube
led fluorescent
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CN102410511A (en
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徐慧
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Shaoyang City Masslighting Lighting Technology Co Ltd
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Abstract

The invention relates to the technical field of lighting, in particular to an LED (light-emitting diode) power supply and an LED fluorescent lamp with same. The LED power supply comprises an LED power circuit, two starter interface terminals, a DC output end and an output power wire. The LED fluorescent lamp with the LED power supply comprises an LED tube and end covers, wherein each end cover is respectively provided with two terminals; the inner ends of two terminals in the same end cover are short circuited by a conductive part; LED tube is provided with a DC input end; and the DC input end is detachably and electrically connected with the output power wire. The LED power supply can be directly arranged at the position of the original starter and matched with the interface of the original starter, the simple and quick replacement can be realized conveniently and practically without changing any circuit during installation. Due to external arrangement, the LED power supply has the characteristics of improving the light out quality and easy passing of the safety regulation of the LED tube, and the LED tube can be directly arranged at the position of the original fluorescent lamp.

Description

A kind of LED power supply and there is the LED fluorescent lamp of this LED power supply
Technical field
The present invention relates to lighting technical field, particularly relate to a kind of LED power supply and there is the LED fluorescent lamp of this LED power supply.
Background technology
LED fluorescent lamp adopts light emitting diode as light source, and light efficiency is higher, more energy-conservation, longer service life, and more environmental protection.LED fluorescent lamp energy-saving is up to more than 70%, and it is more than 10 times that the life-span is common fluorescent tube, become the ideal product that the current stage replaces fluorescent tube.
In prior art, as shown in Figure 5, almost on market, all LED fluorescent lamps are all the LED fluorescent lamps 22 that adopts built-in power.So-called built-in power just refers to power supply is positioned over to fluorescent tube the inside.This built-in great advantage can be made the existing fluorescent tube of direct replacement exactly, and without original circuit is done to any change.
For example: the Chinese invention patent that application number is 201120020876.4, " a kind of LED lamp with starter " disclosed, its technical scheme comprises LED fluorescent tube and LED starter, every one end of LED fluorescent tube is all provided with two terminals, two terminal short circuits of LED fluorescent tube one end, two terminals of the other end are distinct terminals, one of them distinct terminals is for joining with an electric power incoming line, another distinct terminals is joined by a terminal of LED starter and short circuit, and another terminal and another electric power incoming line of short circuit join.LED fluorescent tube and LED starter are installed on the line-incoming lamp socket of two ends, the two ends line-incoming lamp socket that this LED lamp with starter can be compatible traditional, and above-mentioned LED lamp has adopted the mode of built-in power.
But there is following defect in this on-chip power formula LED fluorescent lamp: it is large that (1) changes power supply difficulty.Much larger than the service life of power supply, if power supply has been broken, directly change whole LED fluorescent lamp and will cause great waste the service life of LED, if only change power supply, must rely on again professional to carry out dismounting and change to circuit; (2) affect the luminous quality of LED.It is not evenly soft etc. that the heat sending makes LED fluorescent lamp in use can produce dazzle, shadow and bright dipping; (3) weak heat-dissipating.Because power acquisition is with built-in, the heat of power supply also just joins in fluorescent tube, makes the heat radiation of LED increase again difficulty, has shortened the service life of LED; (4) cost recovery is high, and built-in power formula has also increased the cost of the recycling of electronic waste, because power unit must be split out and processes respectively; (5) be difficult to reach the standard of safety.Due to on-chip power, to reaching safety standard, make a big impact.
Because the LED fluorescent lamp of built-in power exists above-mentioned defect, people have invented again a kind of LED fluorescent lamp of external power supply thereupon.
For example: the Chinese invention patent that application number is 200920134372.8 discloses " a kind of LED fluorescent lamp of external LED power supply ", its structure comprises LED daylight lamp body, on this LED daylight lamp body, be connected with an external LED power supply, described external LED power supply comprises PCB circuit board, input and output terminal, power pack, PCB circuit board is built in power pack, and input terminal is connected with LED daylight lamp body by PCB circuit board, lead-out terminal.Though the LED fluorescent lamp of the LED power supply that this is external has solved the more existing defects of the LED fluorescent lamp of built-in power, but because its power supply installation need to change original circuit, just can be fixed on the lamp plate of traditional fluorescent lamp, need to again change original lamp plate circuit structure.
Summary of the invention
The object of the invention is to avoid weak point of the prior art and a kind of LED power supply be provided and there is the LED fluorescent lamp of this LED power supply, its LED power supply can directly be installed on original starter position, and mate original starter interface, during installation, do not need to change any circuit, can realize simple and quick replacing, convenient and practical; Because LED power supply is external, make that LED fluorescent tube can be realized free from glare, unshadowed and bright dipping is evenly soft; When one end energising, the other end touches and is perfectly safe with hand; The heat of LED power supply distributes from light outside, has alleviated the heat radiation burden of LED fluorescent tube, has extended the service life of LED fluorescent tube; Also can save cost recovery and also easily reach the standard of safety, LED fluorescent tube can directly be installed on the position of original fluorescent lamp.
Object of the present invention is achieved through the following technical solutions.
A kind of LED power supply, include LED power circuit, be provided with two starter Interface Terminals that are electrically connected to described LED power circuit, the outer setting of described LED power circuit has insulation crust, described LED power circuit is electrically connected to an end of two described starter Interface Terminals, described insulation crust is provided with through hole, described LED power circuit is provided with DC output, described DC output is connected with out-put supply line, and described out-put supply line is through described through hole and expose to described insulation crust.
Preferably, an end of two described starter Interface Terminals is arranged at the inner side of described sealing plate,
The other end of two described starter Interface Terminals is arranged at the outside of described sealing plate.
Preferably, described insulation crust comprises that lower ending opening is the shell of tubular structure, and the sealing plate being fixedly connected with described shell.
Preferably, described sealing plate and described shell removably connect.
Preferred, described sealing plate and described shell snapping.
A kind of LED fluorescent lamp with LED power supply, comprise LED fluorescent tube, described LED fluorescent tube is connected with the LED power supply described in above claim 1 to 5 any one, the two ends of described LED fluorescent tube are connected with respectively end cap, described end cap is provided with two terminals, described terminal includes the outer end that is arranged at the inner of described end cap inner side and is arranged at described end cap outside, be arranged at between the inner of described two terminals of an end cap by electric-conductor short circuit, described LED fluorescent tube is provided with DC input.
Preferably, described in each, between two of end cap terminals, pass through conducting strip short circuit.
Preferred, described LED fluorescent tube includes radiator and lampshade, and described radiator and described lampshade are connected to form the LED fluorescent tube of hollow cylindrical;
Described radiator is evenly provided with fin.
Further, in described LED fluorescent tube, be provided with LED light source assembly, in the LED fluorescent tube of described hollow cylindrical, be provided with substrate, the two ends of described substrate are connected with described radiator, described LED light source assembly is arranged at described substrate, and described LED light source assembly is electrically connected to described DC input.
Further, the two ends of described substrate are provided with clip.
Beneficial effect of the present invention is as follows:
A kind of LED power supply of the present invention, include LED power circuit, be provided with two starter Interface Terminals that are electrically connected to LED power circuit, the outer setting of LED power circuit has insulation crust, LED power circuit is electrically connected to one end of two starter Interface Terminals, and insulation crust is provided with through hole, and LED power circuit is provided with DC output, DC output is connected with out-put supply line, and out-put supply line is through through hole and expose to insulation crust;
A kind of LED fluorescent lamp with LED power supply of the present invention, comprise LED fluorescent tube, LED fluorescent tube is connected with above LED power supply, the two ends of LED fluorescent tube are connected with respectively end cap, end cap is provided with two terminals, terminal includes the outer end that is arranged at the inner of end cap inner side and is arranged at end cap outside, be arranged at between the inner of two terminals of an end cap by electric-conductor short circuit, LED fluorescent tube is provided with DC input.
Compared with prior art, a kind of LED power supply of the present invention and there is the LED fluorescent lamp of this LED power supply, its LED power supply can directly be installed on original starter position, and mate original starter interface, during installation, do not need to change any circuit, can realize simple and quick replacing, convenient and practical; Because LED power supply is external, make that LED fluorescent tube can be realized free from glare, unshadowed and bright dipping is evenly soft; When one end energising, the other end touches and is perfectly safe with hand; The heat of LED power supply distributes from light outside, has alleviated the heat radiation burden of LED fluorescent tube, has extended the service life of LED fluorescent tube; Also can save cost recovery and also easily reach the standard of safety, LED fluorescent tube can directly be installed on the position of original fluorescent lamp.
Accompanying drawing explanation
The present invention will be further described to utilize accompanying drawing, but content in accompanying drawing does not form any limitation of the invention.
Fig. 1 is the structural representation of an embodiment of a kind of LED power supply of the present invention.
Fig. 2 is the circuit diagram of the use state of a kind of LED power supply of the present invention and the LED fluorescent lamp with this LED power supply.
Fig. 3 is the structural representation in a cross section of the LED fluorescent tube in Fig. 2.
Fig. 4 is the electrical block diagram of the fluorescent lamp of prior art.
Fig. 5 is the electrical block diagram of LED fluorescent lamp of the built-in power of prior art.
In Fig. 1 to Fig. 5, include:
LED power circuit 1;
Starter Interface Terminal 2;
Shell 3;
Sealing plate 4;
DC output 5;
Through hole 6;
Out-put supply line 7;
LED fluorescent tube 8;
End cap 9;
Terminal 10;
Electric-conductor 11;
DC input 12;
Radiator 13;
Lampshade 14;
Groove 15;
Raised line 16;
Fin 17;
LED light source assembly 18;
Substrate 19;
Clip 20;
Fluorescent lamp 21;
The LED fluorescent lamp 22 of built-in power.
The specific embodiment
The invention will be further described with the following Examples.
embodiment 1.
One of specific embodiment of a kind of LED power supply of the present invention, as shown in Figures 1 to 5, be provided with two starter Interface Terminals 2 that are electrically connected to LED power circuit 1, the outer setting of LED power circuit 1 has insulation crust, LED power circuit 1 is electrically connected to an end of two starter Interface Terminals 2, insulation crust is provided with through hole 6, LED power circuit 1 is provided with DC output 5, DC output 5 is connected with out-put supply line 7, and out-put supply line 7 is through through hole 6 and expose to insulation crust.
LED power supply of the present invention, is arranged at the starter position of former fluorescent lamp 21 lamp plates, because power supply is external, makes that LED fluorescent tube 8 can be realized free from glare, unshadowed and bright dipping is evenly soft; When one end energising, the other end touches and is perfectly safe with hand; The heat of power supply distributes from light outside, has alleviated the heat radiation burden of LED fluorescent tube 8, has extended the service life of LED fluorescent tube 8; Also can save cost recovery; This LED power supply can directly be installed on original starter position, and mates original starter interface, thus use the LED power supply of the present embodiment not need to change any circuit, convenient and practical.
LED power supply of the present invention, can directly be installed on original starter position, and mates original starter interface, does not need to change any circuit during installation, can realize simple and quick replacing, convenient and practical; Because LED power supply is external, make that LED fluorescent tube 8 can be realized free from glare, unshadowed and bright dipping is evenly soft; When one end energising, the other end touches and is perfectly safe with hand; The heat of LED power supply distributes from light outside, has alleviated the heat radiation burden of LED fluorescent tube 8, has extended the service life of LED fluorescent tube 8; Also can save cost recovery and also easily reach the standard of safety.
When LED power supply of the present invention has been broken, only out-put supply line 7 need be extracted from the DC input 12 of LED fluorescent tube 8, buy new LED power supply, as starter is installed, LED power supply of the present invention is arranged on to the original position of starter, then power supply output line is received to the DC input 12 of LED fluorescent tube 8.
embodiment 2.
A LED power supply, other structures of the present embodiment are identical with embodiment 1, and difference is: an end of two starter Interface Terminals 2 is arranged at the inner side of sealing plate 4, and the other end of two starter Interface Terminals 2 is arranged at the outside of sealing plate 4.One end of two starter Interface Terminals 2 is arranged at the inner side of sealing plate 4, is conveniently connected with LED power circuit 1; The other end of two starter Interface Terminals 2 is arranged at the outside of sealing plate 4, is conveniently connected with LED fluorescent tube 8.
Insulation crust comprises that lower ending opening is the shell 3 of tubular structure, and the sealing plate 4 being fixedly connected with shell 3.Sealing plate 4 is fixedly connected with shell 3, makes the insulating properties of insulation crust better.
embodiment 3.
A LED power supply, other structures of the present embodiment are identical with embodiment 1, and difference is: sealing plate 4 removably connects with shell 3.Sealing plate 4 removably connects with shell 3, after inner LED power circuit 1 damages, can easily LED power circuit 1 be taken out, and shell 3 can also be recycled with sealing plate 4, saves the energy.
Sealing plate 4 and shell 3 snappings.It should be noted that: sealing plate 4 and shell 3, except adopting the mode of snapping is connected, can also be taked other connected mode according to actual needs.
embodiment 4.
A LED fluorescent lamp with the LED power supply of embodiment 1 or embodiment 2 or embodiment 3,
Comprise LED fluorescent tube 8, LED fluorescent tube 8 is connected with the LED power supply of above embodiment 1 or embodiment 2 or embodiment 3, the two ends of LED fluorescent tube 8 are connected with respectively end cap 9, end cap 9 is provided with two terminals 10, terminal 10 includes the outer end that is arranged at the inner of end cap 10 inner sides and is arranged at end cap 10 outsides, be arranged at between the inner of two terminals of end cap 10 by electric-conductor 11 short circuits, LED fluorescent tube 8 is provided with DC input 12, DC input 12 is detachably electrically connected to out-put supply line 7.
The installation process of LED fluorescent tube 8 of the present invention only need be taken off original fluorescent lamp 21 fluorescent tubes, LED fluorescent tube 8 is installed on to the position of original dress fluorescent lamp 21 fluorescent tubes.
LED power supply and the LED fluorescent tube 8 of the present embodiment are installed on after lamp plate, its operation principle is as follows: using Fig. 2 as with reference to figure, power supply input L end is electrically connected to one end of the terminal 10 of LED fluorescent tube 8 lower lefts, the other end of terminal 10 of the lower left of LED fluorescent tube 8 and one end of the electric-conductor on the left side 11 are electrically connected to, the other end of the electric-conductor 11 on the left side is electrically connected to one end of the upper left terminal 10 of LED fluorescent tube 8, the other end of the upper left terminal 10 of LED fluorescent tube 8 is electrically connected to one end of LED power supply, the other end of LED power supply is electrically connected to one end of the top-right terminal 10 of LED fluorescent tube 8, the other end of the top-right terminal 10 of LED fluorescent tube 8 is electrically connected to one end of the electric-conductor 11 on the right, the other end of the electric-conductor 11 on the right is electrically connected to one end of the bottom-right terminal 10 of LED fluorescent tube 8, the other end of the bottom-right terminal 10 of LED fluorescent tube 8 is electrically connected to one end of ballast, the other end of ballast is electrically connected to power supply input N end.
Alternating voltage from electrical network is directly guided to LED power supply, after the voltage stabilizing of LED power supply is processed, export low DC voltage, the DC output 5 of LED power supply is connected to the DC input 12 of LED fluorescent tube 8, and LED power supply offers LED fluorescent tube 8 by this voltage.
It should be noted that: the situation of only two terminals of LED fluorescent tube 8 one end being carried out to short circuit is only suitable for the LED fluorescent lamp 22 of built-in power, as shown in Figure 5, and for the LED daylight lamp apparatus that can directly replace fluorescent lamp 21 to use of external power supply of the present invention, if just by two terminal short circuits of LED fluorescent tube 8 one end, circuit can not form a loop.
The present invention replaces with LED power supply by original starter, LED power supply is arranged on the position of original starter, and use same interface, original fluorescent lamp 21 is replaced with to LED fluorescent tube 8, do not change any circuit of former fluorescent lamp 21 lamp plates, can reach energy-conservation, free from glare, unshadowed and bright dipping is evenly soft; When one end energising, the other end touches and is perfectly safe with hand; The heat of power supply distributes from light outside, alleviates the heat radiation burden of LED fluorescent tube 8, extends the service life of LED fluorescent tube 8; Also can save cost recovery, conveniently the beyond thought technique effect such as install and use.
Between two terminals 10 of each end cap 9, pass through conducting strip short circuit.It should be noted that: between two terminals 10 of each end cap 9, also can pass through wire or other electric-conductors 11 short circuits.
LED fluorescent tube 8 includes radiator 13 and lampshade 14, and radiator 13 and lampshade 14 are fixedly connected to form the cylindric of hollow.Make the profile of LED fluorescent tube 8 basic identical with fluorescent lamp 21, can mate better original fluorescent lamp 21 lamp sockets.
Particularly, radiator 13 and lampshade 14 snappings form the cylindric of hollow.The mode of employing snapping facilitates installation or the dismounting of radiator 13 and lampshade 14.More specifically, can be provided with groove 15 at radiator 13, lampshade 14 is provided with raised line 16, raised line 16 and groove 15 snappings.
Radiator 13 is evenly provided with fin 17.Fin 17, for being 18 heat radiations of LED light source assembly better, can extend the service life of LED fluorescent tube 8.
In LED fluorescent tube 8, be provided with LED light source assembly 18, in the LED fluorescent tube 8 of hollow cylindrical, be provided with substrate 19, LED light source assembly 18 is arranged at substrate 19, and the two ends of substrate 19 are connected with radiator 13, and LED light source assembly 18 is electrically connected to DC input 12.LED light source assembly 18 is positioned on the substrate 19 of radiator 13, the heat producing when can better LED light source assembly 18 be worked sheds.LED light source assembly 18 is electrically connected to DC input 12, from LED power supply, by DC input 12, is 18 power supplies of LED light source assembly.
The two ends of substrate 19 are provided with clip 20.The clip 20 arranging can be fixing by LED light source assembly 18 better, prevents that it from rocking.
Finally should be noted that; above embodiment is only for illustrating technical scheme of the present invention but not limiting the scope of the invention; although the present invention is explained in detail with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.

Claims (8)

1. a LED power supply, include LED power circuit, it is characterized in that: be provided with two starter Interface Terminals that are electrically connected to described LED power circuit the alternating voltage from electrical network is directly guided to LED power supply, the outer setting of described LED power circuit has insulation crust, described LED power circuit is electrically connected to an end of two described starter Interface Terminals, described insulation crust is provided with through hole, described LED power circuit is provided with DC output, described DC output is connected with out-put supply line, described out-put supply line is through described through hole, and expose to described insulation crust,
Described insulation crust comprises that lower ending opening is the shell of tubular structure, and the sealing plate being fixedly connected with described shell;
One end of two described starter Interface Terminals is arranged at the inner side of described sealing plate, and the other end of two described starter Interface Terminals is arranged at the outside of described sealing plate.
2. a kind of LED power supply according to claim 1, is characterized in that: described sealing plate and described shell removably connect.
3. a kind of LED power supply according to claim 2, is characterized in that: described sealing plate and described shell snapping.
4. a LED fluorescent lamp with LED power supply, comprise LED fluorescent tube, it is characterized in that: described LED fluorescent tube is connected with the LED power supply described in above claims 1 to 3 any one, the two ends of described LED fluorescent tube are connected with respectively end cap, described end cap is provided with two terminals, described terminal includes the outer end that is arranged at the inner of described end cap inner side and is arranged at described end cap outside, be arranged at between the inner of described two terminals of end cap by being connected with the input of described LED power supply after electric-conductor short circuit, described LED fluorescent tube is provided with DC input, particularly: described DC input is connected with the DC output of described LED power supply.
5. a kind of LED fluorescent lamp with LED power supply according to claim 4, is characterized in that: described in each, between two of end cap terminals, pass through conducting strip short circuit.
6. a kind of LED fluorescent lamp with LED power supply according to claim 4, is characterized in that: described LED fluorescent tube includes radiator and lampshade, and described radiator and described lampshade are connected to form the LED fluorescent tube of hollow cylindrical;
Described radiator is evenly provided with fin.
7. a kind of LED fluorescent lamp with LED power supply according to claim 6, it is characterized in that: in described LED fluorescent tube, be provided with LED light source assembly, in the LED fluorescent tube of described hollow cylindrical, be provided with substrate, the two ends of described substrate are connected with described radiator, described LED light source assembly is arranged at described substrate, and described LED light source assembly is electrically connected to described DC input.
8. a kind of LED fluorescent lamp with LED power supply according to claim 7, is characterized in that: the two ends of described substrate are provided with clip.
CN201110388602.5A 2011-11-30 2011-11-30 LED (light-emitting diode) power supply and LED fluorescent lamp with same Active CN102410511B (en)

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CN102410511B true CN102410511B (en) 2014-08-13

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CN202392733U (en) * 2011-11-30 2012-08-22 徐慧 LED (light emitting diode) power supply and LED fluorescent lamp with same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201437926U (en) * 2009-07-31 2010-04-14 深圳格林照明技术有限公司 LED fluorescent lamp with external power supply
CN201827724U (en) * 2010-09-27 2011-05-11 林世凯 Radiating type LED fluorescent lamp

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JP5527807B2 (en) * 2010-03-12 2014-06-25 Necライティング株式会社 LED lamp
FI20105359A (en) * 2010-04-08 2011-10-09 Valtavalo Oy LED lamp and led tube

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Publication number Priority date Publication date Assignee Title
CN201437926U (en) * 2009-07-31 2010-04-14 深圳格林照明技术有限公司 LED fluorescent lamp with external power supply
CN201827724U (en) * 2010-09-27 2011-05-11 林世凯 Radiating type LED fluorescent lamp

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