CN202561537U - Simple and high-efficiency capacitance voltage-reducing and current-limiting type LED (Light Emitting Diode) energy-saving light source - Google Patents
Simple and high-efficiency capacitance voltage-reducing and current-limiting type LED (Light Emitting Diode) energy-saving light source Download PDFInfo
- Publication number
- CN202561537U CN202561537U CN2012202526450U CN201220252645U CN202561537U CN 202561537 U CN202561537 U CN 202561537U CN 2012202526450 U CN2012202526450 U CN 2012202526450U CN 201220252645 U CN201220252645 U CN 201220252645U CN 202561537 U CN202561537 U CN 202561537U
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- lamp group
- led lamp
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- light source
- reducing
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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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides a simple and high-efficiency capacitance voltage-reducing and current-limiting type LED (Light Emitting Diode) energy-saving light source. The simple and high-efficiency capacitance voltage-reducing and current-limiting type LED energy-saving light source comprises a base, wherein a circuit board is arranged on the base; a power supply circuit is arranged on the circuit board; a voltage-reducing capacitor is arranged on the power supply circuit; a first shunt circuit and a second shunt circuit which are mutually connected in parallel are arranged on the power supply circuit; a first LED lamp group is arranged on the first shunt circuit; a second LED lamp group is arranged on the second shunt circuit; light emitting diodes in the first LED lamp group is opposite to light emitting diodes in the second LED lamp group in conducting direction; the first LED lamp group is connected with a first filtering capacitor in parallel; the second LED lamp group is connected with a second filtering capacitor in parallel; a first protecting diode is arranged on the first shunt circuit; and a second protecting diode is arranged on the second shunt circuit. According to the simple and high-efficiency capacitance voltage-reducing and current-limiting type LED energy-saving light source disclosed by the utility model, 220V alternating current power supply is subjected to voltage reducing and current limiting by using the capacitor and no transformer is needed, so that the advantages of long service life of the LED and low energy consumption can be completely exerted and the reduction of the production cost of a light source is facilitated.
Description
Technical field
The utility model relates to a kind of energy-conserving light source, specifically simplifies capacitance decompression current-limiting type LED energy-conserving light source efficiently.
Background technology
Advantages such as LED energy-conserving light source tool is low because of its energy consumption at present, light efficiency is high, the life-span is long; The place that has been widely used in various needs illuminations; But no matter adopt the light source that great power LED or low power LED formed in the light source; Operating voltage basically all below direct current 24V, when using the 220V Alternating Current Power Supply, all need use transformer to carry out step-down and rectification.Because the service life of transformer is limited; Existing most LED energy-conserving light source product all is that the transformation rectifying part at first breaks down after long-time the use; Is restricted the service life of LED electricity-saving lamp, can't brings into play the advantage of LED long service life fully; Moreover, self have certain electrical loss during owing to transformer work, so the LED advantage of low energy consumption can't be brought into play fully also.In addition, the production cost of transformer self is higher, causes holding at high price of LED energy-conserving light source.
The utility model content
The purpose of the utility model provides simplifies capacitance decompression current-limiting type LED energy-conserving light source efficiently; It uses electric capacity that the 220V Alternating Current Power Supply is carried out the step-down current limliting; Need not use transformer; Make LED life-span length, advantage of low energy consumption can access performance fully, and help reducing the production cost of light source.
The utility model is realized through following technical scheme: comprise base, mounting circuit boards on the base for realizing above-mentioned purpose; Current supply circuit is set on the circuit board; Decompression capacitor is installed on the current supply circuit, and current supply circuit is provided with first shunt and second parallel with one another along separate routes, and first is provided with a LED lamp group along separate routes; Second is provided with the 2nd LED lamp group along separate routes; Light emitting diode conducting direction in light emitting diode in the one LED lamp group and the 2nd LED lamp group is opposite, and a LED lamp group is parallelly connected with first filter condenser, and the 2nd LED lamp group is parallelly connected with second filter condenser; First upward installs the first protection diode along separate routes, and second goes up the installation second protection diode along separate routes.Said circuit board is the arc circuit board.Lampshade is installed on the base.
The advantage of the utility model is: when using the 220V ac power supply; Only adopt a capacitor that the 220V Alternating Current Power Supply is carried out current limliting, need not use transformer, make LED life-span length, advantage of low energy consumption can access performance fully; And help reducing the production cost of light source; Circuit is capacitive load, as is used widely, and helps improving power factor and power supply quality of electrical network etc.
Description of drawings
Fig. 1 is the utility model structural representation; Fig. 2 is the circuit connection structure sketch map on the said circuit board of the utility model.
The specific embodiment
The described capacitance decompression current-limiting type LED energy-conserving light source efficiently of simplifying of the utility model comprises base 1, and mounting circuit boards 3 on the base 1; Current supply circuit 6 is set on the circuit board 3; Decompression capacitor C1 is installed on the current supply circuit 6, and current supply circuit 6 is provided with first shunt 7 and second parallel with one another and 8, the first 7 is provided with a LED lamp group 4 along separate routes along separate routes; Second 8 is provided with the 2nd LED lamp group 5 along separate routes; Light emitting diode conducting direction in light emitting diode in the one LED lamp group 4 and the 2nd LED lamp group 5 is opposite, and a LED lamp group 4 is parallelly connected with the first filter condenser C2, and the 2nd LED lamp group 5 is parallelly connected with the second filter condenser C3; The first protection diode D1 is installed in first shunt 7, installs second in second shunt 8 and protect diode D2.The utility model utilizes the step-down cut-off current characteristics of electric capacity, through the decompression capacitor C1 that installs on the current supply circuit 6 the 220V alternating current is carried out the step-down current limliting.When alternating current is in positive half cycle, alternating current by decompression capacitor C1 step-down current limliting after, to first along separate routes 7 power supplies, a LED lamp group 4 is luminous, first filter condenser C2 charging simultaneously, this moment second, no current passed through along separate routes 8 by the second protection diode D2 blocking-up; When alternating current is in negative half period; Electric current by decompression capacitor C1 step-down current limliting after, to second along separate routes 8 power supplies, the 2nd LED lamp group 5 is luminous; Second filter condenser C3 charging simultaneously; Shunt 7 this moment first is by the first protection diode D1 blocking-up, and the first filter condenser C2 is in discharge condition, still keeps a LED lamp group 4 luminous.Said process hockets, and a LED lamp group 4 and the 2nd LED lamp group 5 have been eliminated scintillation because the effect of the first filter condenser C2 and the second filter condenser C3 all keeps luminance.The utility model uses an electric capacity that the 220V Alternating Current Power Supply is carried out step-down and current limliting; Need not use transformer, simple in structure, cost is low, efficient is high; Make LED life-span length, advantage of low energy consumption can access performance fully, and help reducing the production cost of light source.In addition, the circuit connection structure on the said circuit board 3 of the utility model can also be used for other electric loading of using that needs step-down, do not need the electricity isolation.Because the circuit that the utility model adopts is capacitive load, as is used widely, and helps improving the power factor and the power supply quality of electrical network.
The utility model is wider for the irradiate light that LED lamp group is sent, and can said circuit board 3 be made as the arc circuit board.
The utility model can be installed lampshade 2 for protection circuit plate 3 on base 1, lampshade 2 can also prevent the light direct projection when illumination, make light become soft.
Claims (3)
1. simplify capacitance decompression current-limiting type LED energy-conserving light source efficiently; Comprise base (1); Base (1) is gone up mounting circuit boards (3), it is characterized in that: current supply circuit (6) is set on the circuit board (3), and current supply circuit (6) is gone up decompression capacitor (C1) is installed; Current supply circuit (6) is provided with first (7) and second shunt (8) along separate routes parallel with one another; First shunt (7) is provided with a LED lamp group (4), and second shunt (8) is provided with the 2nd LED lamp group (5), and the light emitting diode conducting direction in light emitting diode in the LED lamp group (4) and the 2nd LED lamp group (5) is opposite; The one LED lamp group (4) is parallelly connected with first filter condenser (C2); The 2nd LED lamp group (5) is parallelly connected with second filter condenser (C3), and first shunt (7) is gone up the first protection diode (D1) is installed, and the second protection diode (D2) is upward installed in second shunt (8).
2. the capacitance decompression current-limiting type LED energy-conserving light source efficiently of simplifying according to claim 1 is characterized in that: said circuit board (3) is the arc circuit board.
3. the capacitance decompression current-limiting type LED energy-conserving light source efficiently of simplifying according to claim 1 is characterized in that: base (1) is gone up lampshade (2) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202526450U CN202561537U (en) | 2011-09-09 | 2012-05-31 | Simple and high-efficiency capacitance voltage-reducing and current-limiting type LED (Light Emitting Diode) energy-saving light source |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120336989.5 | 2011-09-09 | ||
| CN201120336989 | 2011-09-09 | ||
| CN2012202526450U CN202561537U (en) | 2011-09-09 | 2012-05-31 | Simple and high-efficiency capacitance voltage-reducing and current-limiting type LED (Light Emitting Diode) energy-saving light source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202561537U true CN202561537U (en) | 2012-11-28 |
Family
ID=46924019
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220099991XU Expired - Fee Related CN202475900U (en) | 2011-09-09 | 2012-03-16 | Capacitor step-down energy-saving lamp |
| CN2012202526450U Expired - Fee Related CN202561537U (en) | 2011-09-09 | 2012-05-31 | Simple and high-efficiency capacitance voltage-reducing and current-limiting type LED (Light Emitting Diode) energy-saving light source |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220099991XU Expired - Fee Related CN202475900U (en) | 2011-09-09 | 2012-03-16 | Capacitor step-down energy-saving lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN202475900U (en) |
-
2012
- 2012-03-16 CN CN201220099991XU patent/CN202475900U/en not_active Expired - Fee Related
- 2012-05-31 CN CN2012202526450U patent/CN202561537U/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN202475900U (en) | 2012-10-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20160531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |