CN202442230U - Energy-saving LED (Light-Emitting Diode) street lamp with current type charge pump - Google Patents
Energy-saving LED (Light-Emitting Diode) street lamp with current type charge pump Download PDFInfo
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- CN202442230U CN202442230U CN2012200666428U CN201220066642U CN202442230U CN 202442230 U CN202442230 U CN 202442230U CN 2012200666428 U CN2012200666428 U CN 2012200666428U CN 201220066642 U CN201220066642 U CN 201220066642U CN 202442230 U CN202442230 U CN 202442230U
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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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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Abstract
The utility model provides an energy-saving LED (Light-Emitting Diode) street lamp with a current type charge pump. The energy-saving LED street lamp has the characteristics of adoption of a current type charge pump driving circuit, suitability for a commercial power alternating-current power supply, high power, stable voltage, freeness from glare strobing, contribution to enhancing the driving safety, good radiating effect, prevention of water and dust, and suitability for the long-term outdoor environment requirement. The energy-saving LED street lamp comprises a lamp body and a lamp post, wherein the lamp body is fixedly arranged on the upper part of the top end of the lamp post; the lamp body comprises a spoon-shaped lamp shell with reflecting, light gathering and radiating effects; an LED chip module consisting of a plurality of LED light sources and a driving circuit connected with the LED light sources is fixed in the lamp shell; a transparent glass lampshade is arranged at a light outlet below the lamp shell; and the driving circuit is a current type charge pump driving circuit, and comprises a full-wave rectifier bridge circuit, an inverted-U-shaped filter circuit, a current type charge pump and a bistable trigger circuit which are connected in sequence.
Description
Technical field
The utility model relates to the LED lighting technical field, particularly a kind of Energy-Efficient Led Street Lamp based on current-type charge pump.
Background technology
Under the background that the worry of current global energy shortage raises once again; Energy savings is the important problem that we shall face future, and at lighting field, the application of LED luminous product is just attracting common people's sight; LED is as a kind of novel green light source product; Be called as the 4th generation lighting source or green light source, have characteristics such as energy-saving and environmental protection, the life-span is long, volume is little, can be widely used in fields such as various indications, demonstration, decoration, backlight, general lighting and urban landscape; Must be following lighting source Development Trend, it be the novel illumination light source epoch of representative that 21st century will get into LED.With the LED street lamp that the LED lighting engineering is the basis, than traditional high-pressure mercury lamp or metal halide lamp (being commonly called as Metal halogen lamp) as street lamp, light source light-emitting efficiency is high; Energy-conserving and environment-protective; Life-span is long, and the ratio of in the city illumination system, using is increasing, can be widely used in aspects such as outdoor road lighting, highway road lighting, tunnel road lighting; But led light source is than ordinary light source; Need to increase specific drive circuit, insert the mains ac power supply, realize the practicability of LED lighting to be suitable for.
The utility model content
The utility model provides a kind of Energy-Efficient Led Street Lamp based on current-type charge pump, adopts the current-type charge pump drive circuit, is suitable for the mains ac power supply; Power is big, and voltage is stable, the free from glare stroboscopic; Help improving the security of driving; Good heat dissipation effect, water proof and dust proof is suitable for being in for a long time outdoor environmental requirement.
The technical scheme of the utility model is:
A kind of Energy-Efficient Led Street Lamp based on current-type charge pump; It is characterized in that; Comprise lamp body and lamppost, said lamp body is fixedly mounted on the top of lamppost, and said lamp body comprises the spoon shape lamp housing with reflecting condensation and thermolysis; Be fixed with the led chip module of being made up of some led light sources and the drive circuit that is connected with led light source in the lamp housing, the light-emitting window place of lamp housing below is equipped with the clear glass lampshade; Said drive circuit is the current-type charge pump drive circuit; Comprise current-type charge pump, full-wave rectification bridge-type circuit, ∏ mode filter circuit and bistable flip-flop circuit; The input of full-wave rectification bridge-type circuit connects civil power; Output connects ∏ mode filter circuit; The output of ∏ mode filter circuit connects current-type charge pump, and the output of current-type charge pump is connected with bistable flip-flop circuit through bleeder circuit, and the output cathode end of bistable flip-flop circuit links to each other through first inductance L 1 with the input positive terminal; The output cathode end links to each other with the output negative pole end of bistable circuit through diode D5, filter capacitor C5 and second inductance L 2 simultaneously, and current-limiting resistance R6 and led light source are connected the C5 two ends.
Said lamp housing adopts the raffinal material to process.
Has the cable interface that connects civil power on the said lampshade.
Said current-type charge pump adopts the lowering and stabilizing blood pressure charge pump.
The lighting angle of said street lamp is 90 degree *, 110 degree or 55 degree *, 130 degree.
The technique effect of the utility model:
A kind of Energy-Efficient Led Street Lamp based on current-type charge pump that the utility model provides is applicable to be in outdoor environment for a long time that waterproof and dustproof on the structure has good heat-dissipation lamp housing, with cross-ventilation, and the ability efficiently radiates heat; And the lamp housing of spoon shape is the reflector of high-purity aluminum simultaneously; The lighting angle that makes street lamp is 90 degree *, 110 degree or 55 degree *, 130 degree, and the control dispersion has improved the uniformity of lighting effect and the utilization rate of luminous energy; The free from glare stroboscopic helps improving the security of driving; Used led light source adopts the drive circuit based on current-type charge pump, and power is big, can guarantee voltage, current stabilization, and ensureing in AC85V-265V or DC12V-24V voltage range all can operate as normal, power factor＞93%, physical life＞50000 hour.
Description of drawings
Fig. 1 is the decomposing schematic representation of the utility model embodiment.
Fig. 2 is the utility model led light source drive circuit circuit diagram.
Reference numeral is listed as follows: 1-lamp housing, 2-lamppost, 3-LED chip module, 4-lampshade, 5-cable interface.
The specific embodiment
Embodiment to the utility model is described further below in conjunction with accompanying drawing.
As shown in Figure 1; A kind of Energy-Efficient Led Street Lamp based on current-type charge pump; The lamppost 2 that comprises lamp body and the said lamp body of fixed support; Lamp body comprises the spoon shape lamp housing 1 with reflecting condensation and thermolysis, is fixed with the led chip module of being made up of some led light sources and the drive circuit that is connected with led light source 3 in the lamp housing 1, and lamp housing 1 bottom is equipped with clear glass lampshade 4; Lamp housing 1 adopts the raffinal material to process; The ability efficiently radiates heat, water proof and dust proof, and the lamp housing of spoon shape is high-purity aluminum reflector simultaneously; The lighting angle that makes street lamp is 90 degree *, 110 degree or 55 degree *, 130 degree; The control dispersion improves the uniformity of lighting effect and the utilization rate of luminous energy, has the cable interface 5 that connects civil power on the lampshade.
As shown in Figure 2, be the circuit diagram of the drive circuit that is connected with led light source.LED1-LED4 in the led light source corresponding diagram 4 among Fig. 1.Said drive circuit is the current-type charge pump drive circuit, comprises current-type charge pump, full-wave rectification bridge-type circuit, ∏ mode filter circuit and bistable flip-flop circuit; During work, adopt the 220V civil power, D1-D4 is the diode of four same model, forms full-wave rectification bridge-type circuit, the input input 220V alternating current of full-wave rectification bridge-type circuit, and the voltage after full-wave rectification is similar to direct current; The output of full-wave rectification bridge-type circuit connects the ∏ mode filter circuit of being made up of R1 and C1, C2; Carry out filtering; The filtering radio-frequency component, the output of ∏ mode filter circuit connects current-type charge pump, filtered approximate ideal d. c. voltage signal input current type charge pump; Current-type charge pump adopts lowering and stabilizing blood pressure charge pump MCP1253/3 in the present embodiment; It is a voltage changer based on switching capacity; Can improve or reduce input voltage, and output voltage is carried out voltage stabilizing, can between the voltage raising and reducing state, change automatically; The output of current-type charge pump is connected with bistable flip-flop circuit with the bleeder circuit that R3 forms via R2; The signal of charge pump output voltage after bleeder circuit carries out dividing potential drop is as the input signal of bistable trigger-action circuit, and wherein the output voltage terminal Vout of charge pump and feedback end FB are connected on divider resistance R3 two ends; The output cathode end of bistable circuit links to each other through first inductance L 1 with the input positive terminal; The output cathode end links to each other with the output negative pole end of bistable circuit through diode D5, filter capacitor C5 and second inductance L 2 simultaneously; Current-limiting resistance R6 and led light source are connected capacitor C 5 two ends; The R6 current-limiting resistance is connected with led light source and is played metering function, and holding circuit is operated in stable state.
Claims (5)
1. Energy-Efficient Led Street Lamp based on current-type charge pump; It is characterized in that; Comprise lamp body and lamppost, said lamp body is fixedly mounted on the top of lamppost, and said lamp body comprises the spoon shape lamp housing with reflecting condensation and thermolysis; Be fixed with the led chip module of being made up of some led light sources and the drive circuit that is connected with led light source in the lamp housing, the light-emitting window place of lamp housing below is equipped with the clear glass lampshade; Said drive circuit is the current-type charge pump drive circuit; Comprise current-type charge pump, full-wave rectification bridge-type circuit, ∏ mode filter circuit and bistable flip-flop circuit; The input of full-wave rectification bridge-type circuit connects civil power; Output connects ∏ mode filter circuit; The output of ∏ mode filter circuit connects current-type charge pump, and the output of current-type charge pump is connected with bistable flip-flop circuit through bleeder circuit, and the output cathode end of bistable flip-flop circuit links to each other through first inductance L 1 with the input positive terminal; The output cathode end links to each other with the output negative pole end of bistable circuit through diode D5, filter capacitor C5 and second inductance L 2 simultaneously, and current-limiting resistance R6 and led light source are connected the C5 two ends.
2. the Energy-Efficient Led Street Lamp based on current-type charge pump according to claim 1 is characterized in that, said lamp housing adopts the raffinal material to process.
3. the Energy-Efficient Led Street Lamp based on current-type charge pump according to claim 1 is characterized in that, has the cable interface that connects civil power on the said lampshade.
4. the Energy-Efficient Led Street Lamp based on current-type charge pump according to claim 1 is characterized in that. said current-type charge pump adopts the lowering and stabilizing blood pressure charge pump.
5. the Energy-Efficient Led Street Lamp based on current-type charge pump according to claim 1 is characterized in that, the lighting angle of said street lamp is 90 degree *, 110 degree or 55 degree *, 130 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200666428U CN202442230U (en) | 2012-02-24 | 2012-02-24 | Energy-saving LED (Light-Emitting Diode) street lamp with current type charge pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200666428U CN202442230U (en) | 2012-02-24 | 2012-02-24 | Energy-saving LED (Light-Emitting Diode) street lamp with current type charge pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202442230U true CN202442230U (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200666428U Expired - Fee Related CN202442230U (en) | 2012-02-24 | 2012-02-24 | Energy-saving LED (Light-Emitting Diode) street lamp with current type charge pump |
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| Country | Link |
|---|---|
| CN (1) | CN202442230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951070A (en) * | 2019-02-27 | 2019-06-28 | 杰华特微电子（杭州）有限公司 | Voltage conversion circuit, conversion method and the LED control circuit using it |
-
2012
- 2012-02-24 CN CN2012200666428U patent/CN202442230U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109951070A (en) * | 2019-02-27 | 2019-06-28 | 杰华特微电子（杭州）有限公司 | Voltage conversion circuit, conversion method and the LED control circuit using it |
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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: 20120919 Termination date: 20150224 |
|
| EXPY | Termination of patent right or utility model |