CN102235602A - Illumination equipment - Google Patents
Illumination equipment Download PDFInfo
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- CN102235602A CN102235602A CN2010101693837A CN201010169383A CN102235602A CN 102235602 A CN102235602 A CN 102235602A CN 2010101693837 A CN2010101693837 A CN 2010101693837A CN 201010169383 A CN201010169383 A CN 201010169383A CN 102235602 A CN102235602 A CN 102235602A
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- light
- emitting diode
- diode
- cathode
- alternating current
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Abstract
The invention relates to illumination equipment, and belongs to the technical field of illumination equipment structures. A step-down coupling capacitor C is connected to a power frequency alternating current anode power supply; a cathode of the step-down coupling capacitor C is respectively and electrically connected with an anode of a rectifying diode D1 and a cathode of a rectifying diode D2, which are connected in parallel; a cathode of the rectifying diode D1 is connected to a series circuit consisting of light-emitting diodes D51,..., and D5N, and an anode of the rectifying diode D2 is connected to a series circuit consisting of light-emitting diodes D61,..., and D6N, so that a parallel structure of two light-emitting diode series circuits is formed; and a cathode of the light-emitting diode D5N and an anode of the light-emitting diode D6N are connected in series with a resistor R2 and an inductor L simultaneously and are connected to an alternating current cathode power supply. The step-down coupling capacitor C directly applies power frequency alternating current to two light-emitting diode alternating current circuits to drive the light-emitting diodes to emit light, and the illuminating lamp has the advantages of simple structure, reasonable design, small volume and the like, is high-efficiency and energy-saving, and can be widely applied to numerous occasions such as household illumination and the like.
Description
Technical field
The present invention relates to a kind of lighting apparatus, belong to the lighting apparatus technical field of structures.
Background technology
At present, existing lighting device all adopts the transformer transformation, the diode rectification mode becomes direct current with alternating current, drive lumination of light emitting diode then, the drawback of this line construction: 1,, be unfavorable for 2, because the use of power consumption property elements such as transformer as the home lighting occasion because the existence of transformer makes machine volume big, thereby make consuming electric power very most of consumption be arranged on these elements, be unfavorable for energy-conservation.
Summary of the invention
The objective of the invention is to solve the weak point that above-mentioned prior art exists, provide a kind of simple in structure, energy-efficient and can be used for the lighting apparatus of home lighting occasion.
Lighting apparatus of the present invention, special character is to adopt step-down coupling capacitance C to be connected on the cathode power supply of industrial-frequency alternating current, again by the negative pole of the step-down coupling capacitance C positive pole of the commutation diode D1 in parallel respectively with two, the negative pole of D2 joins to forming and is electrically connected, the negative pole of commutation diode D1 inserts the series circuit of a light emitting diode D51-D5N, the positive pole of commutation diode D2 inserts the series circuit of another light emitting diode D61-D6N, form the parallel-connection structure of two light emitting diode series connection circuit, again with the negative pole of light emitting diode D5N and the anodal back incoming transport electricity negative power supply of connecting with resistance R 2 and inductance L simultaneously of D6N.
Illuminating lamp of the present invention, adopt step-down coupling capacitance C industrial-frequency alternating current to be directly acted on two ac circuits of light emitting diode, thereby driving lumination of light emitting diode, have simple in structure, reasonable in design, it is little to have volume, advantage such as energy-efficient can be widely used in numerous occasions such as home lighting.
Description of drawings
Fig. 1: be illuminating lamp connection diagram of the present invention.
The specific embodiment
Following with reference to accompanying drawing, provide the specific embodiment of the present invention, be used for formation of the present invention is further specified.
Embodiment 1
The illuminating lamp of present embodiment is with reference to figure 1, it at first is the positive source that the step-down coupling capacitance C of 0.047-50uf is connected to the industrial-frequency alternating current of 220v with capacity, again with the capacitor C positive pole of the commutation diode D1 in parallel respectively with two, the negative pole of D2 joins to forming and is electrically connected, the negative pole of commutation diode D1 inserts the series circuit of a light emitting diode D51-D5N, the positive pole of commutation diode D2 inserts the series circuit of another light emitting diode D61-D6N, form the parallel-connection structure of two light emitting diode series connection circuit, wherein the operating voltage of light emitting diode is 1.2v, operating current is 100-200mA, with the positive pole of the negative pole of light emitting diode D5N and D6N and resistance value is again to insert incoming transport electricity negative power supply after the inductance L that inductance value is 1ul-100ml after the resistance R 2 of 0 Ω-20K is connected again; Step-down coupling capacitance C two ends parallel resistance R1 forms the step-down discharge loop with capacitor C, and the scope of resistance R value is between the 200K-1M Ω.
It is simple in structure, reasonable in design that the present invention has, and it is little to have a volume, and advantage such as energy-efficient can be widely used in numerous occasions such as home lighting.
Claims (1)
1. lighting apparatus, it is characterized in that adopting step-down coupling capacitance C to be connected on the cathode power supply of industrial-frequency alternating current, again by the negative pole of the step-down coupling capacitance C positive pole of the commutation diode D1 in parallel respectively with two, the negative pole of D2 joins to forming and is electrically connected, the negative pole of commutation diode D1 inserts the series circuit of a light emitting diode D51-D5N, the positive pole of commutation diode D2 inserts the series circuit of another light emitting diode D61-D6N, form the parallel-connection structure of two light emitting diode series connection circuit, again with the negative pole of light emitting diode D5N and the anodal back incoming transport electricity negative power supply of connecting with resistance R 2 and inductance L simultaneously of D6N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101693837A CN102235602A (en) | 2010-04-29 | 2010-04-29 | Illumination equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101693837A CN102235602A (en) | 2010-04-29 | 2010-04-29 | Illumination equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102235602A true CN102235602A (en) | 2011-11-09 |
Family
ID=44886520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101693837A Pending CN102235602A (en) | 2010-04-29 | 2010-04-29 | Illumination equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102235602A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676300A (en) * | 2013-11-29 | 2015-06-03 | 上海宽带技术及应用工程研究中心 | High-frequency-response LED (light emitting diode) bead packaging structure and method |
-
2010
- 2010-04-29 CN CN2010101693837A patent/CN102235602A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676300A (en) * | 2013-11-29 | 2015-06-03 | 上海宽带技术及应用工程研究中心 | High-frequency-response LED (light emitting diode) bead packaging structure and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111109 |