CN201074788Y - LED energy-saving lamp - Google Patents
LED energy-saving lamp Download PDFInfo
- Publication number
- CN201074788Y CN201074788Y CNU2007201016360U CN200720101636U CN201074788Y CN 201074788 Y CN201074788 Y CN 201074788Y CN U2007201016360 U CNU2007201016360 U CN U2007201016360U CN 200720101636 U CN200720101636 U CN 200720101636U CN 201074788 Y CN201074788 Y CN 201074788Y
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- China
- Prior art keywords
- utility
- circuit
- model
- emitting diode
- energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to the illuminating field, which particularly relates to an energy-saving light circuit which utilizes a light-emitting diode to be a lighting lamp. The utility model comprises a pressure reducing circuit, a bridge type rectifier circuit, a lighting circuit and the like. Since the utility model adopts a light-emitting diode, therefore photoelectric transformation efficiency is high, operating voltage and electric current of the utility model are both small, and energy-saving efficiency is high, meanwhile, since the utility model is provided with a filter capacitor and a current-limiting resistance, therefore the utility model has the advantages of excellent impact resistance and earthquake resistance properties, high reliability, long life span and simple and practical circuit, which saves cost.
Description
Technical field
The utility model relates to lighting field, relates to a kind of with the energy-saving lamp circuit of light emitting diode as lighting specifically.
Background technology
At present, incandescent lamp is still occupied an leading position in the lighting on the market, power consumption is big, be unfavorable for energy-conservationly under the comparatively nervous situation of China's energy, though there is the part lamp to adopt low pressure tungsten filament and fluorescent lamp energy-conservation as light emitting source on the market, the tungsten filament luminous efficiency is low, tungsten filament is easily broken, service life is short, still be difficult to the purpose that reaches energy-efficient, and fluorescent lamp also has similar problem.In addition, though also occurred some light emitting diodes etc. on the market, there are circuit complexity, poor stability, can not connect problems such as alternating current.
Summary of the invention
Technical problem to be solved in the utility model is: at the problems of the prior art, provide a kind of circuit simple, stable good LED energy-saving lamp circuit.
The utility model is achieved by the following technical solutions:
A kind of LED energy-saving lamp, it comprises reduction voltage circuit 1, bridge rectifier 2, at least one group and above lighting circuit 3; Described reduction voltage circuit 1 is made up of R1, R2 and C1, and wherein R2 and C1 are in parallel and connect with R1, and the R1 other end is connected to an end of power supply; Described bridge rectifier 2 is made up of D1, D2, D3, D4 and is linked to each other with lighting circuit with reduction voltage circuit 1; Described lighting circuit 3 is made up of a plurality of LED light emitting diode and filter capacitor C2, the current-limiting resistance R3 of series connection, and described filter capacitor C2 is parallel to the two ends of light emitting diode and connects with current-limiting resistance R3.
Described lighting circuit 3 can be composed in parallel by many groups lighting circuit.
Described power supply is an AC power.
Energy-conservation being embodied in of the present utility model, under the equal illumination, power consumption is about 1/8～1/20 of incandescent lamp, 1/2～1/4 of energy-saving fluorescent lamp, according to open source information, an illumination is equivalent to the light emitting diode (also claiming the LED lamp) of 40W incandescent lamp, power consumption not enough 5W, very power saving.
Long being embodied in of life-span, about 1000 hours of the life-span of incandescent lamp, about 5000 hours of the life-span of fluorescent lamp, and between about 10000～100000 hours of LED lamp life-span, not only energy-conservation, and reduce the wasting of resources, compliance with environmental protection requirements.
The advantage that the utility model compared with prior art has is, owing to adopt light emitting diode, the photoelectric transformation efficiency height, its operating voltage and electric current are all very little, the energy-saving efficiency height, simultaneously owing to be provided with filter capacitor, current-limiting resistance, make its shock resistance and anti-seismic performance good, the reliability height, the life-span is long, and the circuit simple possible is saved cost.
Description of drawings
Fig. 1 is the operation principle circuit diagram of the utility model embodiment
The specific embodiment
Be described in further detail below in conjunction with the enforcement of accompanying drawing technical solutions of the utility model:
Be the operation principle circuit diagram of the utility model embodiment as shown in Figure 1,
The utility model LED energy-saving lamp uses power supply to be AC power, and it comprises reduction voltage circuit 1, bridge rectifier 2, at least one group and above lighting circuit 3; Described reduction voltage circuit 1 is made up of R1, R2 and C1, and wherein R2 and C1 are in parallel and connect with R1, and the R1 other end is connected to an end of power supply, and reduction voltage circuit makes electricity-saving lamp safer.
Described bridge rectifier 2 is made up of D1, D2, D3, D4 and is linked to each other with lighting circuit with reduction voltage circuit 1, and bridge rectifier is transformed into direct current with alternating current, provides dc source to lighting circuit.
Described lighting circuit 3 is made up of a plurality of LED light emitting diode and filter capacitor C2, the current-limiting resistance R3 of series connection; described filter capacitor C2 is parallel to the two ends of light emitting diode and connects with current-limiting resistance R3; filter capacitor C2, current-limiting resistance R3 absorb the instantaneous peak current that produces; the protection light emitting diode is not damaged life-saving.
Lighting circuit 3 among the utility model embodiment is two groups, also can be composed in parallel by many groups lighting circuit, as two groups or three, four groups etc.
The utility model circuit is suitable for the electricity-saving lamp of various illumination occasions, and the value of each assembly size is regulated according to actual illumination requirement in the circuit.
The utility model can also have multiple conversion, and as add voltage stabilizing chip or other element etc. in needing the high lamp circuit of illuminance, to reduce heating, to improve performance etc., this is all within protection domain of the present utility model.
Claims (3)
1. a LED energy-saving lamp is characterized in that, it comprises reduction voltage circuit (1), bridge rectifier (2), at least one group and above lighting circuit (3); Described reduction voltage circuit (1) is made up of R1, R2 and C1, and wherein R2 and C1 are in parallel and connect with R1, and the R1 other end is connected to an end of power supply; Described bridge rectifier (2) is made up of D1, D2, D3, D4 and is linked to each other with lighting circuit (3) with reduction voltage circuit (1); Described lighting circuit (3) is made up of a plurality of LED light emitting diode and filter capacitor C2, the current-limiting resistance R3 of series connection, and described filter capacitor C2 is parallel to the two ends of light emitting diode and connects with current-limiting resistance R3.
2. light emitting diode as claimed in claim 1 is characterized in that, lighting circuit (3) can be composed in parallel by at least one group of lighting circuit.
3. light emitting diode as claimed in claim 1 is characterized in that, described power supply is an AC power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201016360U CN201074788Y (en) | 2007-06-14 | 2007-06-14 | LED energy-saving lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201016360U CN201074788Y (en) | 2007-06-14 | 2007-06-14 | LED energy-saving lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201074788Y true CN201074788Y (en) | 2008-06-18 |
Family
ID=39520049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201016360U Expired - Fee Related CN201074788Y (en) | 2007-06-14 | 2007-06-14 | LED energy-saving lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201074788Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840469A (en) * | 2011-08-11 | 2012-12-26 | 南通天华和睿科技创业有限公司 | Novel LED (Light-Emitting Diode) energy-saving lamp |
| TWI501691B (en) * | 2008-10-21 | 2015-09-21 | Koninkl Philips Electronics Nv | Light emitting diode driving apparatus |
-
2007
- 2007-06-14 CN CNU2007201016360U patent/CN201074788Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI501691B (en) * | 2008-10-21 | 2015-09-21 | Koninkl Philips Electronics Nv | Light emitting diode driving apparatus |
| CN102840469A (en) * | 2011-08-11 | 2012-12-26 | 南通天华和睿科技创业有限公司 | Novel LED (Light-Emitting Diode) energy-saving lamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080618 Termination date: 20100614 |