CN103237384A - Driving power source for lighting of LED (light emitting diode) fluorescent lamps - Google Patents
Driving power source for lighting of LED (light emitting diode) fluorescent lamps Download PDFInfo
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- CN103237384A CN103237384A CN2013101332368A CN201310133236A CN103237384A CN 103237384 A CN103237384 A CN 103237384A CN 2013101332368 A CN2013101332368 A CN 2013101332368A CN 201310133236 A CN201310133236 A CN 201310133236A CN 103237384 A CN103237384 A CN 103237384A
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Abstract
The invention discloses a driving power source for lighting of LED (light emitting diode) fluorescent lamps. A power source input connecting wire of a mains supply input interface is switched on through an output connecting wire of the driving power source and an LED fluorescent lamp tube. The driving power source comprises a shell, an AC/DC (alternating current/direct current) alternation switch power source, a switching control circuit and DC/DC (direct current/direct current) constant current alternation. The AC/DC alternation switch power source, the switching control circuit and the DC/DC constant current alternation are connected sequentially. The switching control circuit is an output way selecting unit formed by a relay and an on-off button. The DC/DC constant current alternation is constant current circuits realized by utilizing special constant current driver chips. A panel of the shell is further provided with an output current adjusting unit for switching the DC/DC constant current alternation. By the method, the driving power source has the advantages that power utilization efficiency is improved, cost is saved, the driving power source is convenient to use and suitable for various LED fluorescent lamps and lanterns, and the like.
Description
Technical field
The present invention relates to semiconductor lighting power-supply device field, particularly relate to a kind of LED fluorescent lamp lighting driving power.
Background technology
Serious day by day along with problems such as interior energy shortage and environmental pollutions, the green energy conservation lighting technology all is devoted to develop in countries in the world, LED (Light Emitting Diode, light-emitting diode) has the long-life, low energy consumption, advantages such as environmental protection are as a kind of revolutionary energy-saving illumination technology, by being applied in the illumination application more and more widely.The LED fluorescent lamp is exactly to utilize a kind of as the produced lighting of light source of LED, is the optimal selection that substitutes traditional daylight light fixture.
Along with the fast development of LED fluorescent lamp technology, also feasible research to the LED fluorescent lamp driving power supply becomes focus.At present, the power supply of LED fluorescent lamp can be divided into two kinds of built-in and externals by mounting means, consider from cost and setting angle, most of LED fluorescent lamp has all adopted built-in power supply, since problems such as power quality and useful life, the LED fluorescent lamp of employing built-in power supply, in case power supply goes wrong, will cause scrapping of whole LED fluorescent-lamp tube, waste is serious, and relative cost is also high.The power supply of external is a kind of good selection, also is developing direction and the trend of LED power supply, adopts the external power supply, and the LED fluorescent lamp just can reach consistent effect with traditional fluorescent lamp, user friendly replacing and selecting for use.But the external LED daylight lamp power source great majority on the market are power supply of a light configuration, be man-to-man form, because in the classroom, large-scale public illumination occasions such as office, supermarket, double hose or the multibarrel fluorescent lamp lighting light fixtures of adopting more, for making things convenient for the use of LED fluorescent lamp lighting light fixture, reduce the cost of equipment simultaneously, be badly in need of a kind of multi-functional many output driving powers for two-tube/multitube LED fluorescent lamp use of exploitation.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of reasonable in design, low in energy consumption, guarantee the work that the LED fluorescent lamp is stable, adopt same set of circuit transformation system in input power conversion level, adopt independently power supply circuits design in Current Control adjustment level, when reducing the circuit hardware cost, can realize the driving control of two-tube even multitube LED daylight lamp power source efficiently.The present invention has a kind of LED fluorescent lamp lighting driving power of advantages such as improving power consumption efficiency, saving cost, easy to use, suitable multiple LED daylight light fixture.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of LED fluorescent lamp lighting driving power is provided, the power supply input connecting line of civil power input interface inserts by the output connecting line of driving power and LED fluorescent tube, described driving power includes shell, described driving power comprises the AC/DC alteration switch power supply that connects successively, control switching circuit, DC/DC constant current conversion, the output way selected cell that described control switching circuit is made up of relay and switch key, described DC/DC constant current conversion is the constant-current drive circuit that adopts special-purpose constant-current driven chip to realize, also is provided with the output current regulon that switches DC/DC constant current conversion on the panel of described shell.
Preferably, described output current regulon 4 comprises manual adjustments potentiometer 41, regulates mode selector switch 42 and sensor devices 43, described output current regulon 4 is by the selection of diverter switch 42, and electric current is regulated can be two kinds of mode of operations of manual or automatic sensitization.
Preferably, shell is made by metal material.
The invention has the beneficial effects as follows: a kind of LED fluorescent lamp lighting of the present invention driving power, overlap the function that power supply has solved many covers power supply, usefulness more than one, saving cost by one, and solved shortcomings such as can not adjusting of conventional power supply, be particularly suitable for use two-tube or multitube LED fluorescent lamp lighting light fixture.
Description of drawings
Fig. 1 is the structural representation that a kind of LED fluorescent lamp lighting of the present invention is used driving power;
Fig. 2 is the front view that a kind of LED fluorescent lamp lighting of the present invention is used the shell of driving power;
Fig. 3 is the output current adjustment member circuit theory diagrams that a kind of LED fluorescent lamp lighting of the present invention is used driving power.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention is made more explicit defining.
See also Fig. 1 to Fig. 3, the embodiment of the invention comprises:
A kind of LED fluorescent lamp lighting driving power, the power supply architecture of employing two-layer configuration, one-level realizes exchanging the conversion to stablizing direct current output, and the secondary realization is stablized direct current to the conversion of crossing current output.Power supply comprises AC/DC alteration switch power supply, control switching circuit, DC/DC constant current conversion and shell composition.Described AC/DC alteration switch power supply is the efficient power scheme of a kind of wide voltage input (AC90-350V/50/60Hz); The output way selected cell that described control switching circuit is made up of relay and switch key; Described DC/DC constant current conversion is the constant-current drive circuit that adopts special-purpose constant-current driven chip to realize, wherein the Constant Electric Current flow valuve can be adjusted by potentiometer or sensor devices; Described shell is to adopt the good material of heat dissipation metal to be made, and the power circuit plate portion is provided support and dispels the heat used.
As shown in Figure 1, a kind of LED fluorescent lamp lighting driving power comprises AC/DC Switching Power Supply 1, switching controls switch 2, DC/DC constant current conversion 3 and current regulation unit 4.Described AC/DC Switching Power Supply 1 is the efficient switch power supply of wide voltage input design, is output as galvanic current and presses, and input connects power input interface, and output links to each other with the switching controls switch; Described switching controls switch 2 is that AC/DC Switching Power Supply 1 connects the switching link in the middle of DC/DC constant current conversion 3, can switch the work way of DC/DC constant current conversion 3, the disconnected control that works of going forward side by side; The DC/DC translation circuit of described DC/DC constant current conversion 3 for adopting special-purpose LED constant current chip to realize, and be provided with output current regulon 4, its output current to be adjusted, output is provided with the LED fluorescent lamp and connects port; Described current regulation unit 4 can work in manually or regulate automatically pattern for constant current output adjusting module.
As shown in Figure 2, a kind of front view of embodiment LED daylight lamp power source shell, this embodiment is output three tunnel constant currents, can external three pipe LED fluorescent lamps.Comprise diverter switch panel 2, output current regulon 4, main casing 5, power supply input connecting line 6, output connecting line 7, location hole 8 and power work indicator light 9 are installed.The support that described main casing 5 is driving power, fixing and heat radiation, driving power is positioned in the main casing 5.Described power supply input connecting line 6 and output connecting line 7 are the input and output connecting line of power supply, are connected coupling with 5 employing water joints of power shell or Aviation Connector; Described diverter switch panel 2 arranges panel for output way switching controls, can change the output way easily by setting; Described output current regulon 4 comprises manual adjustments potentiometer 41, regulates mode selector switch 42 and sensor devices 43, and by the selection of diverter switch 42, electric current is regulated can be two kinds of mode of operations of manual or automatic sensitization; Described power work indicator light 9 can be indicated the operating state of power supply, and normal is normal mode of operation when bright, is power failure during flicker.
Be illustrated in figure 3 as output current regulon 4 systematic schematic diagrams: wherein, R0 is the photo resistance as sensor devices, and R1 is in parallel with the sensitivity build-out resistor, forms branch road with an automatic light meter.R2 is the high accuracy adjustable resistance, by adjusting the sampled value that its resistance can DC/DC constant current conversion 3, thereby regulates the output current that changes DC/DC constant current conversion 3, reaches the brightness adjustment control to the LED fluorescent lamp.Toggle switch S0 can arrange switch current and regulate mode of operation, when S0 connects, is mode of operation with an automatic light meter, the equivalent resistance of sampling this moment be (R0//R1) //resistance of R2
, the value of R0 was made corresponding change when ambient light illumination changed, thereby changed the sampling equivalent resistance, reached the purpose that electric current is regulated.When S0 turn-offs, be manually light modulation mode of operation, by manual adjustment resistance R 2, reach the purpose that electric current is regulated.
A kind of LED fluorescent lamp lighting of the present invention driving power has solved the function of many covers power supply by a cover power supply, and usefulness more than one is saved cost, and has solved shortcoming such as can not adjusting of conventional power supply, is particularly suitable for use two-tube or multitube LED fluorescent lamp lighting light fixture.
The above only is embodiments of the invention; be not so limit claim of the present invention; every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (3)
1. LED fluorescent lamp lighting driving power, the power supply input connecting line of civil power input interface inserts by the output connecting line of driving power and LED fluorescent tube, described driving power includes shell, it is characterized in that: described driving power comprises the AC/DC alteration switch power supply that connects successively, control switching circuit, DC/DC constant current conversion, the output way selected cell that described control switching circuit is made up of relay and switch key, described DC/DC constant current conversion is the constant-current drive circuit that adopts special-purpose constant-current driven chip to realize, also is provided with the output current regulon that switches DC/DC constant current conversion on the panel of described shell.
2. a kind of LED fluorescent lamp lighting driving power as claimed in claim 1, it is characterized in that: described output current regulon comprises the manual adjustments potentiometer, regulates mode selector switch and sensor devices, described output current regulon is by the selection of diverter switch, and electric current is regulated can be two kinds of mode of operations of manual or automatic sensitization.
3. a kind of LED fluorescent lamp lighting driving power as claimed in claim 1, it is characterized in that: shell is made by metal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101332368A CN103237384A (en) | 2013-04-17 | 2013-04-17 | Driving power source for lighting of LED (light emitting diode) fluorescent lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101332368A CN103237384A (en) | 2013-04-17 | 2013-04-17 | Driving power source for lighting of LED (light emitting diode) fluorescent lamps |
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| CN103237384A true CN103237384A (en) | 2013-08-07 |
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| CN2013101332368A Pending CN103237384A (en) | 2013-04-17 | 2013-04-17 | Driving power source for lighting of LED (light emitting diode) fluorescent lamps |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439630A (en) * | 2016-11-30 | 2017-02-22 | 南京路特软件有限公司 | Infrared induction LED project lamp |
| CN110366297A (en) * | 2019-08-09 | 2019-10-22 | 深圳市蓝谱里克科技有限公司 | A kind of LED constant current drive module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201142771Y (en) * | 2008-01-09 | 2008-10-29 | 王元成 | Remote control intelligent multi-output LED illumination driver circuit |
| CN101668369A (en) * | 2009-10-01 | 2010-03-10 | 英飞特电子（杭州）有限公司 | High-efficiency constant-current LED driver |
| CN203206546U (en) * | 2013-04-17 | 2013-09-18 | 苏州市职业大学 | Illumination driving power supply of LED fluorescent lamp |
-
2013
- 2013-04-17 CN CN2013101332368A patent/CN103237384A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201142771Y (en) * | 2008-01-09 | 2008-10-29 | 王元成 | Remote control intelligent multi-output LED illumination driver circuit |
| CN101668369A (en) * | 2009-10-01 | 2010-03-10 | 英飞特电子（杭州）有限公司 | High-efficiency constant-current LED driver |
| CN203206546U (en) * | 2013-04-17 | 2013-09-18 | 苏州市职业大学 | Illumination driving power supply of LED fluorescent lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439630A (en) * | 2016-11-30 | 2017-02-22 | 南京路特软件有限公司 | Infrared induction LED project lamp |
| CN110366297A (en) * | 2019-08-09 | 2019-10-22 | 深圳市蓝谱里克科技有限公司 | A kind of LED constant current drive module |
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Application publication date: 20130807 |