CN202118704U - Footlight - Google Patents
Footlight Download PDFInfo
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- CN202118704U CN202118704U CN2011201998623U CN201120199862U CN202118704U CN 202118704 U CN202118704 U CN 202118704U CN 2011201998623 U CN2011201998623 U CN 2011201998623U CN 201120199862 U CN201120199862 U CN 201120199862U CN 202118704 U CN202118704 U CN 202118704U
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Abstract
The utility model discloses a footlight, which comprises a resistance-capacitance voltage-reduction current limiting circuit, a bridge rectifier circuit, a filtering voltage-stabilizing circuit, a buffering trigger circuit, a first light-emitting element LED1, a second light-emitting element LED2, a third light-emitting element LED3, a fourth light-emitting element LED4, a fifth light-emitting element LED5 and a triode Q1, wherein a first rectifier diode D1, a second rectifier diode D2, a third rectifier diode D3 and a fourth rectifier diode D4 form the bridge rectifier circuit. By adopting the technical scheme, a light-emitting diode (LED) lamp serves as a light-emitting source so that temperature rise of a product is reduced, power consumption is lowered, light rays are softened and service life is prolonged. Simultaneously, trigger is performed by adopting buffering mode, and accordingly impact current of the product to the LED lamp is decreased in the moment of powering-up, thereby improving service life of the LED lamp and being more suitable for wide popularization and usage.
Description
Technical field
The utility model relates to lighting technical field, relates in particular to a kind of ground footlight.
Background technology
Ground footlight is also named into pinup at lighting field, is to supply the illumination of people's small number of activity at night to use.In recent years, along with a large amount of construction, the use of public places such as wooden land, square, hospital, station and some high-grade groups of building, the application of ground footlight is also increasingly extensive.In present lighting field, it is the design of light emitting source that ground footlight generally adopts with incandescent lamp and electricity-saving lamp.
With incandescent lamp and electricity-saving lamp is the design of light emitting source, is incandescent lamp or electricity-saving lamp are contained in the special shell such as cast aluminium, safety glass, and the logical civil power of going up gets final product luminous lighting.
Existing ground footlight is owing to be light emitting source with incandescent lamp and electricity-saving lamp, thus this series products exist light strongly, temperature rise, power consumption is big, service life is low, particularly is the product of light emitting source with the incandescent lamp, shortcoming such as very easily burns in the moment that powers on.
The utility model content
The purpose of the utility model is to propose a kind of ground footlight, and light is soft, can reduce the product temperature rise, reduces power consumption, improves service life, and meets energy-conservation, economic, practical requirement.
For reaching this purpose, the utility model adopts following technical scheme:
A kind of ground footlight; Comprise resistance-capacitance depressurization current-limiting circuit, bridge rectifier, filter regulator circuit, Buffered Flip-Flop, the first light-emitting component LED1, the second light-emitting component LED2, the 3rd light-emitting component LED3, the 4th light-emitting component LED4, the 5th light-emitting component LED5 and triode Q1; Wherein, the first commutation diode D1, the second commutation diode D2, the 3rd commutation diode D3 and the 4th commutation diode D4 form bridge rectifier;
First resistance R 1 is connected with electrical network L end with first capacitor C, 1 parallel connection back, one end, and the other end is connected with electrical network N end with second resistance R 2 through bridge rectifier, forms the resistance-capacitance depressurization current-limiting circuit;
Filter regulator circuit VCC is formed in VD1, second capacitor C, 2 parallel connection backs;
The 3rd resistance R 3, the 4th resistance R 4, the 3rd capacitor C 3 and triode Q1 form Buffered Flip-Flop;
The first light-emitting component LED1, the second light-emitting component LED2, the 3rd light-emitting component LED3, the 4th light-emitting component LED4 and the 5th light-emitting component LED5 are composed in series illuminating circuit successively.
One end of the 3rd resistance R 3 is connected with the colelctor electrode of triode Q1 with filter regulator circuit VCC respectively, and the other end is connected with the 4th resistance R 4 respectively, and is connected and ground connection with the 3rd capacitor C 3.
The other end of the 4th resistance R 4 is connected with the base stage of triode Q1.
The anode of the first light-emitting component LED1 is connected with the emitter stage of triode Q1.
The minus earth of the 5th light-emitting component LED5.
Adopted the technical scheme of the utility model; Because with the LED lamp is light emitting source; Make product temperature rise reduction, power consumption reduction, soft, the long service life of light, owing to adopt buffering method to trigger, make product reduce dash current simultaneously the LED lamp at powered on moment; Improved the service life of LED lamp, be more suitable for extensively promoting the use of.
Description of drawings
Fig. 1 is the circuit diagram of ground footlight in the utility model specific embodiment.
The specific embodiment
Further specify the technical scheme of the utility model below in conjunction with accompanying drawing and through the specific embodiment.
Fig. 1 is the circuit diagram of ground footlight in the utility model specific embodiment.As shown in Figure 1, this ground footlight comprises resistance-capacitance depressurization current-limiting circuit, bridge rectifier, filter regulator circuit, Buffered Flip-Flop, the first light-emitting component LED1, the second light-emitting component LED2, the 3rd light-emitting component LED3, the 4th light-emitting component LED4, the 5th light-emitting component LED5 and triode Q1.
The first commutation diode D1, the second commutation diode D2, the 3rd commutation diode D3 and the 4th commutation diode D4 form bridge rectifier; First resistance R 1 is connected with electrical network L end with first capacitor C, 1 parallel connection back, one end, and the other end is connected with electrical network N end with second resistance R 2 through bridge rectifier, forms the resistance-capacitance depressurization current-limiting circuit; Filter regulator circuit VCC is formed in VD1, second capacitor C, 2 parallel connection backs; The 3rd resistance R 3, the 4th resistance R 4, the 3rd capacitor C 3 and triode Q1 form Buffered Flip-Flop; The first light-emitting component LED1, the second light-emitting component LED2, the 3rd light-emitting component LED3, the 4th light-emitting component LED4 and the 5th light-emitting component LED5 are composed in series illuminating circuit successively.
One end of the 3rd resistance R 3 is connected with the colelctor electrode of triode Q1 with filter regulator circuit VCC respectively, and the other end is connected with the 4th resistance R 4 respectively, and is connected and ground connection with the 3rd capacitor C 3.The other end of the 4th resistance R 4 is connected with the base stage of triode Q1.The anode of the first light-emitting component LED1 is connected with the emitter stage of triode Q1.The minus earth of the 5th light-emitting component LED5.
Product powers on and is connected to two inputs of bridge rectifier after the current limliting of alternating current through first resistance R 1, second resistance R 2 and first capacitor C 1 of back 220V; After the first commutation diode D1, the second commutation diode D2, the 3rd commutation diode D3 and the 4th commutation diode D4 rectification; 2 filtering of second capacitor C; The VD1 voltage stabilizing makes filter regulator circuit VCC voltage stable, and filter regulator circuit VCC slowly charges to the 3rd capacitor C 3 through the 3rd resistance R 3 simultaneously; Can know that by the operation principle of triode triode Q1 base voltage this moment, electric current are also in slow increase; And triode Q1 collector current is increased gradually, final because 3 chargings of the 3rd capacitor C are accomplished, triode Q1 collector current stable, LED lamp pearl all sends normal luminosity.
This specific embodiment is a kind of LED type ground footlight, and wherein light emitting source adopts LED lamp pearl, can effectively reduce product power consumption, temperature rise.This specific embodiment utilizes buffering method to trigger, and has reduced when powering on the dash current of LED lamp pearl, has improved the service life of product, and has met many-sided requirements such as energy-conservation, economic, practical, is suitable for extensively promoting the use of.
The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Anyly be familiar with this technological people in the technical scope that the utility model disclosed, the variation that can expect easily or replacement all should be encompassed within the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with the protection domain of claim.
Claims (5)
1. ground footlight; It is characterized in that; Comprise resistance-capacitance depressurization current-limiting circuit, bridge rectifier, filter regulator circuit, Buffered Flip-Flop, the first light-emitting component LED1, the second light-emitting component LED2, the 3rd light-emitting component LED3, the 4th light-emitting component LED4, the 5th light-emitting component LED5 and triode Q1; Wherein, the first commutation diode D1, the second commutation diode D2, the 3rd commutation diode D3 and the 4th commutation diode D4 form bridge rectifier;
First resistance R 1 is connected with electrical network L end with first capacitor C, 1 parallel connection back, one end, and the other end is connected with electrical network N end with second resistance R 2 through bridge rectifier, forms the resistance-capacitance depressurization current-limiting circuit;
Filter regulator circuit VCC is formed in VD1, second capacitor C, 2 parallel connection backs;
The 3rd resistance R 3, the 4th resistance R 4, the 3rd capacitor C 3 and triode Q1 form Buffered Flip-Flop;
The first light-emitting component LED1, the second light-emitting component LED2, the 3rd light-emitting component LED3, the 4th light-emitting component LED4 and the 5th light-emitting component LED5 are composed in series illuminating circuit successively.
2. a kind of ground footlight according to claim 1 is characterized in that, an end of the 3rd resistance R 3 is connected with the colelctor electrode of triode Q1 with filter regulator circuit VCC respectively, and the other end is connected with the 4th resistance R 4 respectively, and is connected and ground connection with the 3rd capacitor C 3.
3. a kind of ground footlight according to claim 1 is characterized in that, the other end of the 4th resistance R 4 is connected with the base stage of triode Q1.
4. a kind of ground footlight according to claim 1 is characterized in that, the anode of the first light-emitting component LED1 is connected with the emitter stage of triode Q1.
5. a kind of ground footlight according to claim 1 is characterized in that, the minus earth of the 5th light-emitting component LED5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201998623U CN202118704U (en) | 2011-06-15 | 2011-06-15 | Footlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201998623U CN202118704U (en) | 2011-06-15 | 2011-06-15 | Footlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202118704U true CN202118704U (en) | 2012-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201998623U Expired - Fee Related CN202118704U (en) | 2011-06-15 | 2011-06-15 | Footlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202118704U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079137A1 (en) * | 2012-11-22 | 2014-05-30 | 欧普照明股份有限公司 | Led driving controller, lighting device and lighting system |
| CN105282930A (en) * | 2015-10-20 | 2016-01-27 | 晨辉光宝科技有限公司 | Frequency adaptive LED lamp drive circuit |
| CN105407569A (en) * | 2015-11-24 | 2016-03-16 | 肖志蓝 | Stroboscopic-effect-preventing LED power supply circuit |
-
2011
- 2011-06-15 CN CN2011201998623U patent/CN202118704U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014079137A1 (en) * | 2012-11-22 | 2014-05-30 | 欧普照明股份有限公司 | Led driving controller, lighting device and lighting system |
| CN105282930A (en) * | 2015-10-20 | 2016-01-27 | 晨辉光宝科技有限公司 | Frequency adaptive LED lamp drive circuit |
| CN105282930B (en) * | 2015-10-20 | 2018-10-02 | 晨辉光宝科技有限公司 | A kind of LED lamp drive circuit that frequency is adaptive |
| CN105407569A (en) * | 2015-11-24 | 2016-03-16 | 肖志蓝 | Stroboscopic-effect-preventing LED power supply circuit |
| CN105407569B (en) * | 2015-11-24 | 2017-05-31 | 肖志蓝 | Anti- stroboscopic LED power supply circuits |
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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: 20120118 Termination date: 20150615 |
|
| EXPY | Termination of patent right or utility model |