CN202496112U - Power supply control circuit of novel LED road lamp - Google Patents
Power supply control circuit of novel LED road lamp Download PDFInfo
- Publication number
- CN202496112U CN202496112U CN2012201048470U CN201220104847U CN202496112U CN 202496112 U CN202496112 U CN 202496112U CN 2012201048470 U CN2012201048470 U CN 2012201048470U CN 201220104847 U CN201220104847 U CN 201220104847U CN 202496112 U CN202496112 U CN 202496112U
- Authority
- CN
- China
- Prior art keywords
- power supply
- module
- supply control
- power
- control chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to the LED road lamp field, particularly relating to a power supply control circuit of a novel LED road lamp. The utility model is characterized in that: the power supply control circuit comprises a lightning protection module, an EMI filtering module, an input rectifying filtering module, a power transformation module and an output rectifying filtering module which are connected in order, the input rectifying filtering module and the power transmission module are respectively connected with a power supply control chip, an input voltage and current protection module is respectively connected with the input rectifying filtering module and the power supply control chip, and an output voltage and current protection module is arranged between an output terminal of the output rectifying filtering module and the power supply control chip. Compared with the prior art, the utility model has the following advantages that: the power supply control chip carries out sampling detection on input terminal current and voltage and carries out detection and correction through an embedded algorithm, constant current drive of an LED is realized, in parallel operation of a plurality of modules, current balance of each module is realized through respective detection, and a safety performance of a power supply is high with a completed protection circuit.
Description
Technical field
The utility model relates to LED street lamp field, particularly a kind of power control circuit of Novel LED street lamp.
Background technology
Current, digital power has become the focus that industry is discussed, and everybody is consistent to think that new power technology has higher performance and lower cost, with replacement old-fashioned, be about to out-of-date analog switch pressurizer.People will adopt general CMOS technology, and no longer need proprietary simulation process technology, also will reduce cost greatly simultaneously, and power management also will change.Desirable digital power should be realized the control of two aspects: a kind of is so-called " digital remote control "; Through the state of controlled function with the sense switch power supply; Like temperature, ambient brightness, output current, input current, input voltage, output voltage etc., and report to main frame immediately or periodically as required; Alternative design is more idealized, hopes through writing the simple code of several row, increases the street lamp module freely to realize the adjusting to power output.At present, power supply commonly used is output one group or several groups of fixed voltages, the power supply of rated output power; Wanting to produce voltage can constantly change, and the power supply that rated output power also can constantly change had both strengthened the circuit design difficulty; Improve production cost again, prolonged the production cycle.If can use a kind of power-supply controller of electric spare, cooperate the amount of power device, the Direct Production large power supply makes large power supply design, production, debugging become simple, then can significantly improve the production efficiency of power supply, means a great.
Summary of the invention
The purpose of the utility model provides a kind of power control circuit of Novel LED street lamp; Overcome the deficiency of prior art; With the power supply control chip is core, and the road-light light-source control signal all comes from power supply control chip, and power supply control chip can detect each power supply parameter of street lamp line data of going forward side by side and handle; As the output foundation of Control current and voltage, realize the whole Digital Control of power-supply system.
For solving the problems of the technologies described above, the technical scheme of the utility model is:
A kind of power control circuit of Novel LED street lamp; Comprise that lightning protection module, EMI filtration module, input rectifying filtration module, Power Conversion module and output rectification filtering module link to each other successively; The input rectifying filtration module is connected with power supply control chip respectively with the Power Conversion module; The input voltage and input current protection module links to each other with power supply control chip with the input rectifying filtration module respectively, is provided with output voltage current protection module between the output of output rectification filtering module and the power supply control chip.
Said power supply control chip comprises single-chip microcomputer, PFC power factor correction unit, PWM control unit and sharing control unit, and single-chip microcomputer links to each other with PFC power factor correction unit, PWM control unit and sharing control unit respectively.
Said power supply control chip links to each other with induction module.
Said power supply control chip links to each other with the ZigBee wireless communication module.
Said power supply control chip and E
2The PROM memory modules links to each other.
Compared with prior art; The beneficial effect of the utility model is: power supply control chip carries out sample detecting to input electric current, voltage, and through embedded algorithm to detecting and proofread and correct, realize the constant-current driving of LED; In the multimode parallel running; Through detecting the be achieved current balance of each module of each module respectively, the complete protection circuit makes that this power safety performance is higher.
Description of drawings
Fig. 1 is the utility model example structure schematic block diagram.
Embodiment
Be described further below in conjunction with the embodiment of accompanying drawing the utility model:
See Fig. 1; It is the power control circuit example structure schematic block diagram of a kind of Novel LED street lamp of the utility model; Comprise that lightning protection module, EMI filtration module, input rectifying filtration module, Power Conversion module and output rectification filtering module link to each other successively; Output rectification filtering module output driving LED light fixture; Power supply is imported by the lightning protection module input; The input rectifying filtration module is connected with power supply control chip respectively with the Power Conversion module, and the input voltage and input current protection module links to each other with power supply control chip with the input rectifying filtration module respectively, is provided with output voltage current protection module between the output of output rectification filtering module and the power supply control chip.Be core with the power supply control chip in the circuit; The power control signal of LED light fixture all comes from power supply control chip; The each several part parameter is detected laggard line data by power supply control chip and handles, and as control output foundation, thereby realizes the whole Digital Control of power-supply system.
The main effect of EMI filtration module is to suppress High-frequency Interference in the circuit, and the High-frequency Interference in the inhibition AC network is to the influence of equipment; Suppression equipment disturbs, and suppression equipment (especially high frequency switch power) is to the interference of AC network.The input rectifying filtration module is in order to become alternating current the direct current of pulsation.The effect of output rectification filtering module is the stable of the electric current that guarantees output, voltage, plays the effect of protection LED light fixture.The Power Conversion module is made up of transformer, and function is that power transmission, voltage transformation and insulation are isolated, and converts the high voltage of electrical network to the magnitude of voltage that meets the LED light fixture through transformer.
Power supply control chip comprises single-chip microcomputer, PFC power factor correction unit, PWM control unit and sharing control unit, and single-chip microcomputer links to each other with PFC power factor correction unit, PWM control unit and sharing control unit respectively.Wherein the PFC power factor correction unit is according to input electric current, voltage; Detect and proofread and correct through embedded algorithm; Not only to realize power factor correction, and will regulate that anti exciting converter is that input and output are isolated to output voltage; Give single-chip microcomputer so need the feedback circuit of an isolation will export signal feedback, so that in time regulate output voltage.
The PWM control unit is to detect according to voltage, electric current to LED light fixture end, and realizes the constant-current driving of LED through embedded algorithm; The sharing control unit is in the multimode parallel running; Through detecting the be achieved current balance of each module of each module respectively; When load variations; The variation of the output voltage of every power supply is identical, the output current of every power supply is shared equally, to reach the purpose of power-supply system steady operation by the power share.
In the use, power supply control chip can link to each other with induction module (brightness monitoring, temperature monitoring).As can street lamp brightness be set at three work shelves: dim, little bright, bright; Through the outer ambient brightness of street lamp is monitored; Feed back to single-chip microcomputer, carry out logical process, control the bright lamp shelves of street lamp more voluntarily through the inside of single-chip microcomputer; Select street lamp brightness to reach, really accomplish energy-conservation according to external environment condition.
Can also be two work shelves with the street lamp color settings: white light, warm light; Through temperature monitoring to external environment condition; Feed back to single-chip microcomputer, handle, control the color of street lamp more automatically through the internal logic of single-chip microcomputer; Changing the street lamp color through the monitoring ambient temperature, also is energy-conservation a kind of method.
Power supply control chip can also link to each other with the ZigBee wireless communication module.Single-chip microcomputer to the instant perhaps transmission information of timing of control centre, also can receive the control command of control centre through the ZigBee cordless communication network through the ZigBee cordless communication network, has so just realized the Remote function of street lamp.
All right and the E of power supply control chip
2The PROM memory modules links to each other, and the information that gather the outside is stored, and also can store the real-time relevant information of street lamp, convenient tracing management to street lamp.
Claims (5)
1. the power control circuit of a Novel LED street lamp; It is characterized in that; Comprise that lightning protection module, EMI filtration module, input rectifying filtration module, Power Conversion module and output rectification filtering module link to each other successively; The input rectifying filtration module is connected with power supply control chip respectively with the Power Conversion module; The input voltage and input current protection module links to each other with power supply control chip with the input rectifying filtration module respectively, is provided with output voltage current protection module between the output of output rectification filtering module and the power supply control chip.
2. the power control circuit of a kind of Novel LED street lamp according to claim 1; It is characterized in that; Said power supply control chip comprises single-chip microcomputer, PFC power factor correction unit, PWM control unit and sharing control unit, and single-chip microcomputer links to each other with PFC power factor correction unit, PWM control unit and sharing control unit respectively.
3. the power control circuit of a kind of Novel LED street lamp according to claim 2 is characterized in that, said power supply control chip links to each other with induction module.
4. according to the power control circuit of claim 2 or 3 described a kind of Novel LED street lamps, it is characterized in that said power supply control chip links to each other with the ZigBee wireless communication module.
5. the power control circuit of a kind of Novel LED street lamp according to claim 4 is characterized in that, said power supply control chip links to each other with the E2PROM memory modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201048470U CN202496112U (en) | 2012-03-20 | 2012-03-20 | Power supply control circuit of novel LED road lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201048470U CN202496112U (en) | 2012-03-20 | 2012-03-20 | Power supply control circuit of novel LED road lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202496112U true CN202496112U (en) | 2012-10-17 |
Family
ID=47002322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201048470U Expired - Fee Related CN202496112U (en) | 2012-03-20 | 2012-03-20 | Power supply control circuit of novel LED road lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202496112U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096601A (en) * | 2013-01-25 | 2013-05-08 | 海林火地电气科技有限公司 | Light emitting diode (LED) power self-adaptive driver |
| CN103391672A (en) * | 2013-08-12 | 2013-11-13 | 铜陵学院 | Single lamp control device for remote measurement and control |
| CN104159375A (en) * | 2014-08-22 | 2014-11-19 | 四川长虹照明技术有限公司 | Driving device for controlling LED lighting system wirelessly |
| CN104302059A (en) * | 2014-10-24 | 2015-01-21 | 海林火地电气科技有限公司 | Dual-core drive and management integrated LED street lamp power supply |
| CN106604467A (en) * | 2016-12-28 | 2017-04-26 | 重庆金鑫科技产业发展有限公司 | LED light fixture and intelligent illumination system |
| CN110545606A (en) * | 2019-09-30 | 2019-12-06 | 中山市蓝德电子有限公司 | power supply method and power supply circuit adopting same |
| CN114060739A (en) * | 2022-01-14 | 2022-02-18 | 深圳市沃特沃德信息有限公司 | Intelligent bulb lamp |
-
2012
- 2012-03-20 CN CN2012201048470U patent/CN202496112U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103096601A (en) * | 2013-01-25 | 2013-05-08 | 海林火地电气科技有限公司 | Light emitting diode (LED) power self-adaptive driver |
| CN103391672A (en) * | 2013-08-12 | 2013-11-13 | 铜陵学院 | Single lamp control device for remote measurement and control |
| CN104159375A (en) * | 2014-08-22 | 2014-11-19 | 四川长虹照明技术有限公司 | Driving device for controlling LED lighting system wirelessly |
| CN104302059A (en) * | 2014-10-24 | 2015-01-21 | 海林火地电气科技有限公司 | Dual-core drive and management integrated LED street lamp power supply |
| CN106604467A (en) * | 2016-12-28 | 2017-04-26 | 重庆金鑫科技产业发展有限公司 | LED light fixture and intelligent illumination system |
| CN110545606A (en) * | 2019-09-30 | 2019-12-06 | 中山市蓝德电子有限公司 | power supply method and power supply circuit adopting same |
| CN114060739A (en) * | 2022-01-14 | 2022-02-18 | 深圳市沃特沃德信息有限公司 | Intelligent bulb lamp |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202496112U (en) | Power supply control circuit of novel LED road lamp | |
| CN102769962B (en) | Wireless communication network based intelligent high-power LED driving power source system | |
| CN102448224A (en) | DC (Direct Current) centralized power supply management method and device for LED (Light Emitting Diode) lights | |
| CN109587894B (en) | Wireless control linear driving circuit of LED filament lamp | |
| CN102843830A (en) | Wireless intelligent illumination control device based on Internet of Things technology | |
| CN203537629U (en) | LED fluorescent lamp intelligent driving control power supply | |
| CN202979384U (en) | Sectional type linearity control constant current LED lamp | |
| CN209626665U (en) | Stage Equipment Control system and stage powering shelf | |
| CN201742605U (en) | Intelligent indoor LED lighting control device | |
| CN102427639A (en) | Light modulation system of LED street lamp with direct current high voltage power supply and signal transmission and reception method thereof | |
| CN102548145A (en) | Constant-current power supply with adjustable gears | |
| CN202663591U (en) | LED (light-emitting diode) resistance-capacitance type driver | |
| CN202121830U (en) | Buck-boost constant-current power supply for LED lamps | |
| CN103987162A (en) | Load self-adaptation LED power supply | |
| CN203537627U (en) | LED street lamp digital teletransmission driving control power supply | |
| CN103344860A (en) | Energy-saving type aging test desk | |
| CN202005012U (en) | Multi-path light-emitting diode (LED) current balancing control circuit, LED liquid crystal display screen and television | |
| CN203416468U (en) | ED multichannel light-adjustable power supply device of wireless measurement and control | |
| CN203072192U (en) | LED fluorescent lamp with variable color temperature and control device | |
| CN203120220U (en) | Led power source | |
| CN207750902U (en) | A kind of charging pile system of the comprehensive solar LED street lamp of collection | |
| CN206365078U (en) | A kind of LED illumination constant-current switch power source system | |
| CN201935000U (en) | Dimming-scalable light-emitting diode (LED) bulb lamp | |
| CN201830497U (en) | Multi-path current-distribution control circuit of light emitting diode (LED) power supply | |
| CN202077222U (en) | Switch power supply with functions of communication, data acquisition and dimming control for light-emitting diode (LED) lamp |
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: 20121017 Termination date: 20140320 |