CN201119054Y - LED road lamp driving power supply - Google Patents
LED road lamp driving power supply Download PDFInfo
- Publication number
- CN201119054Y CN201119054Y CNU2007200556785U CN200720055678U CN201119054Y CN 201119054 Y CN201119054 Y CN 201119054Y CN U2007200556785 U CNU2007200556785 U CN U2007200556785U CN 200720055678 U CN200720055678 U CN 200720055678U CN 201119054 Y CN201119054 Y CN 201119054Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- width modulation
- pulse width
- chip microcomputer
- light
- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model relates to an LED street lamp driving power supply, which comprises a rectification circuit, a pulse width modulation circuit, a comparison amplifier, a reference circuit, a monolithic processor, a light control circuit, a clock circuit and a sampling circuit, wherein, the rectification circuit is electrically connected with the pulse width modulation circuit, to convert the alternating current into direct current to provide the direct current for the pulse width modulation circuit for work, the pulse width modulation circuit performs pulse frequency adjustment output after working to the comparison amplifier, and the reference circuit performs voltage comparison and amplification and than transmits the voltage to the monolithic processor to perform data processing; the light control circuit and the clock circuit are electrically connected at the input end of the monolithic processor in parallel, the monolithic processor outputs signals to the sampling circuit, the light sensing signals of the light control circuit, and the time signals of the clock circuit are input into the monolithic processor for processing and then are output to the sampling circuit, and through the mode that the sampling circuit collects the output signals of the monolithic processor to drive the bright light of the LED street lamp, the sole function existing in the prior art is avoided, therefore, the convenient operation is provided.
Description
Technical field
The utility model relates to LED (light-emitting diode) street lamp art, refers in particular to a kind of LED streetlamp driving power supply.
Background technology
As everyone knows, LED (light-emitting diode) has efficiently, the characteristics of energy-saving and environmental protection and being widely used, it mainly is used as the indicator light on electronic product, motorcycle, the automobile, but improved the brightness of LED greatly along with progress of science and technology, make LED can be used in common lighting apparatus, promptly develop into the LED street lamp gradually, because LED street lamp volume is littler, the scope of application is wider, the characteristic of more difficult damage, is subjected to social consistent favorable comment; And traditional LED streetlamp driving power supply mode of operation is single, can't adjust LED lamp lighting system effectively according to actual conditions on the same day, and then bring puzzlement to the operator.
The utility model content
The utility model is at the existing defective of above-mentioned prior art, and main purpose is to provide a kind of LED streetlamp driving power supply, controls LED lamp multi-mode working automatically by the signal of telecommunication that single-chip microcomputer provides according to light-operated circuit, clock circuit, to bringing convenience property of use.
For realizing above-mentioned purpose, the utility model is taked following technical scheme:
A kind of LED streetlamp driving power supply, comprise rectification circuit, pulse width modulation circuit, comparison amplifier, reference circuit, single-chip microcomputer, light-operated circuit, clock circuit, sample circuit, this rectification circuit and pulse width modulation circuit electrically connect, offer pulse width modulation circuit work alternating current is transformed into direct current, this pulse width modulation circuit and comparison amplifier electrically connect, this comparison amplifier and single-chip microcomputer electrically connect, reference circuit then is electrically connected between rectification circuit and the comparison amplifier, export in the comparison amplifier by the adjustment of the laggard horizontal pulse frequency of pulse width modulation circuit work, carry out voltage ratio by reference circuit and amplify and transfer to single-chip microcomputer again and carry out data processing; Above-mentioned light-operated circuit, the parallel input that is connected electrically in single-chip microcomputer of clock circuit, and single-chip microcomputer output signal to sample circuit, wherein, export in the sample circuit after handling in the time signal input single-chip microcomputer by the photoreceptor signal of light-operated circuit and clock circuit, gather the light pattern of the output signal driving LED lamp of single-chip microcomputer by this sample circuit.
This pulse width modulation circuit is electrically connected a pulse switch, transfers the break-make of stretch circuit in order to control impuls.
One switching tube is set on electrical interconnection between rectification circuit and the pulse width modulation circuit, so that sample circuit is when picking up the single-chip microcomputer output signal, circuit returns to be fed to and makes its buffering output constant current voltage in this switching tube.
The utility model compared with prior art, its advantage is to control LED lamp multi-mode working automatically by the signal of telecommunication that single-chip microcomputer provides according to light-operated circuit, clock circuit, has avoided the existing simple function of prior art, thereby the convenience of use is provided.
Description of drawings
Fig. 1 is the utility model circuit block diagram.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1, a kind of LED streetlamp driving power supply comprises rectification circuit 1, pulse width modulation circuit 2, comparison amplifier 3, reference circuit 4, single-chip microcomputer 5, light-operated circuit 6, clock circuit 7, sample circuit 8, wherein:
This rectification circuit 1 electrically connects by switching tube 9 and pulse width modulation circuit 2, by rectification circuit 1 alternating current is transformed into direct current and offers pulse width modulation circuit 2 work through switching tube 9, this pulse width modulation circuit 2 electrically connects with comparison amplifier 3, and also be electrically connected a pulse switch 21, transfer the break-make of stretch circuit in order to control impuls.This comparison amplifier 3 electrically connects with single-chip microcomputer 5, reference circuit then is electrically connected between rectification circuit 1 and the comparison amplifier 3, export in the comparison amplifier 3 by the adjustment of the laggard horizontal pulse frequency of pulse width modulation circuit 2 work, carry out voltage ratio by reference circuit 4 and amplify and transfer to single-chip microcomputer 5 again and carry out data processing; Above-mentioned light-operated circuit 6, the clock circuit 7 parallel inputs that are connected electrically in single-chip microcomputer 5, and single-chip microcomputer 5 output signal to sample circuit 8, wherein, export in the sample circuit 8 the light pattern of gathering the output signal driving LED lamp of single-chip microcomputers 5 by this sample circuit 8 after handling in the time signal input single-chip microcomputer 5 by the photoreceptor signal of light-operated circuit 6 and clock circuit 7 to.When sample circuit 8 picked up single-chip microcomputer 5 output signals, circuit returned to be fed to and makes its buffering output constant current voltage in this switching tube 9.
Now outputing signal to the pattern of carrying out deal with data behind the single-chip microcomputer 5 at light-operated circuit 6, clock circuit 7 is illustrated:
(1) when weather illumination≤10LUX (adjustable-engineering staff regulate), light-operated circuit 6 is given single-chip microcomputer 5 by signal of sensor devices transmission, its entire circuit is operated under pattern one state, (output current begins from 0mA, and the back rises and causes 180mA about 90 seconds).
(2) when weather illumination≤5LUX (adjustable-engineering staff regulate), light-operated circuit 6 is given single-chip microcomputer 5 by signal of sensor devices transmission, its entire circuit is operated under the pattern two-state, (output current begins from 180mA, and the back rises and causes 210mA about 30 seconds).
(3) when weather illumination=0LUX (adjustable-engineering staff regulate), light-operated circuit 6 is given single-chip microcomputer 5 by signal of sensor devices transmission, its entire circuit is operated under the pattern three condition, (output current begins from 210mA, and the back rises and causes 240mA about 30 seconds).
(4) whenever after zero morning when (time is adjustable-engineering staff regulate), clock circuit 7 is given single-chip microcomputer 5 by signal of setting-up time transmission, its entire circuit is operated under the pattern four condition, (output current begins from 240mA, falls after about 30 seconds to cause 180mA).
(5) when weather illumination＞10LUX (adjustable-engineering staff regulate), light-operated circuit 6 is given single-chip microcomputer 5 by signal of sensor devices transmission, makes its entire circuit be operated under pattern five states (power supply of work was reduced to 0mA after 30 seconds).
Certainly, at first when the sky colour brightness dropped to certain dark, first group of light-operated meeting sent a signal and given single-chip microcomputer 5, and single-chip microcomputer 5 can detect the power supply previous state earlier, if previous state is shutdown, single-chip microcomputer 5 will send a signal and make the power supply start, and this moment is locked if power supply is shut down, and power supply can not be opened, if decided by locked having surpassed when setting, power supply will be opened and control output and begin to rise from 0mA, reach 180mA behind the 90S, and power supply enters mode of operation one.For the adjustment of illumination, can realize by adjusting adjustable resistance, also can be on circuit several resistance in parallel, and add that removable wire jumper realizes convenience and accuracy.
The utility model design focal point is to control LED lamp multi-mode working automatically by the signal of telecommunication that single-chip microcomputer provides according to light-operated circuit, clock circuit, to bringing convenience property of use.
The above, it only is the preferred embodiment of a kind of LED streetlamp driving power supply of the utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.
Claims (3)
1, a kind of LED streetlamp driving power supply, it is characterized in that: comprise rectification circuit (1), pulse width modulation circuit (2), comparison amplifier (3), reference circuit (4), single-chip microcomputer (5), light-operated circuit (6), clock circuit (7), sample circuit (8), this rectification circuit (1) electrically connects with pulse width modulation circuit (2), offer pulse width modulation circuit (2) work alternating current is transformed into direct current, this pulse width modulation circuit (2) electrically connects with comparison amplifier (3), this comparison amplifier (3) electrically connects with single-chip microcomputer (5), reference circuit then is electrically connected between rectification circuit (1) and the comparison amplifier (3), export in the comparison amplifier (3) by the adjustment of the laggard horizontal pulse frequency of pulse width modulation circuit (2) work, carry out voltage ratio by reference circuit (4) and amplify and transfer to single-chip microcomputer (5) again and carry out data processing; Above-mentioned light-operated circuit (6), the parallel input that is connected electrically in single-chip microcomputer (5) of clock circuit (7), and single-chip microcomputer (5) output signal to sample circuit (8), wherein, export in the sample circuit (8) after handling in the time signal input single-chip microcomputer (5) by the photoreceptor signal of light-operated circuit (6) and clock circuit (7), gather the light pattern of the output signal driving LED lamp of single-chip microcomputer (5) by this sample circuit (8).
2, LED streetlamp driving power supply according to claim 1 is characterized in that: this pulse width modulation circuit (2) is electrically connected a pulse switch (21), transfers the break-make of stretch circuit in order to control impuls.
3, LED streetlamp driving power supply according to claim 1, it is characterized in that: on the electrical interconnection switching tube (9) is being set between rectification circuit (1) and the pulse width modulation circuit (2), so that when sample circuit (8) picks up single-chip microcomputer (5) output signal, circuit returns to be fed to and makes its buffering output constant current voltage in this switching tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200556785U CN201119054Y (en) | 2007-08-17 | 2007-08-17 | LED road lamp driving power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200556785U CN201119054Y (en) | 2007-08-17 | 2007-08-17 | LED road lamp driving power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201119054Y true CN201119054Y (en) | 2008-09-17 |
Family
ID=39993657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200556785U Expired - Fee Related CN201119054Y (en) | 2007-08-17 | 2007-08-17 | LED road lamp driving power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201119054Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489342B (en) * | 2009-02-27 | 2012-08-29 | 杭州士兰微电子股份有限公司 | LED driver circuit and driving method thereof |
| CN103108461A (en) * | 2013-01-24 | 2013-05-15 | 珠海市蓝德节能科技有限公司 | Light-emitting diode (LED) color temperature adjusting device |
| CN103517488A (en) * | 2012-06-18 | 2014-01-15 | 黄焕珠 | Full-automatic LED street lamp |
-
2007
- 2007-08-17 CN CNU2007200556785U patent/CN201119054Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489342B (en) * | 2009-02-27 | 2012-08-29 | 杭州士兰微电子股份有限公司 | LED driver circuit and driving method thereof |
| CN103517488A (en) * | 2012-06-18 | 2014-01-15 | 黄焕珠 | Full-automatic LED street lamp |
| CN103517488B (en) * | 2012-06-18 | 2016-10-05 | 黄焕珠 | A kind of full automatic LED street lamp |
| CN103108461A (en) * | 2013-01-24 | 2013-05-15 | 珠海市蓝德节能科技有限公司 | Light-emitting diode (LED) color temperature adjusting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201878376U (en) | Management control system of streetlight | |
| CN104185348B (en) | Intelligent substation is maked an inspection tour to illuminate and is far controlled linkage | |
| CN103096585A (en) | Light emitting diode (LED) intelligent lighting and energy saving control system based on web of things and method | |
| CN201119054Y (en) | LED road lamp driving power supply | |
| CN205179443U (en) | LED drive power supply of detectable natural light | |
| CN201499354U (en) | Light-adjusting control device for LED streetlamp | |
| CN204810630U (en) | Wireless regulation and control system of experiment by candling based on singlechip | |
| CN204335114U (en) | Energy-conserving road lamp terminal intelligent control system | |
| CN203708585U (en) | Digital external switch continuous dimming LED drive circuit | |
| CN102612234B (en) | Dimming module for tunnel LED (light-emitting diode) lamps | |
| CN204887639U (en) | Intelligence drive power supply based on remote communication | |
| CN208621708U (en) | A kind of alternating current power-off signal transmission circuit | |
| CN206846524U (en) | A kind of street lamp post comprehensively utilized in intelligent city | |
| CN104902624A (en) | Large-power light adjustment control system | |
| CN105338686A (en) | High-reliability intelligent switch device | |
| CN205040067U (en) | Place inductor of LED lamps and lanterns detectable natural light in can in | |
| CN105338688A (en) | Dimmable power switch | |
| CN101674692B (en) | Light emitting diode (LED) driving device and illuminating system | |
| CN207802464U (en) | A kind of NB-IoT single-lamp controllers for the transformation of wisdom street lamp | |
| CN209028179U (en) | A kind of electronic switch detection device, photovoltaic junction box and photovoltaic devices | |
| CN206077787U (en) | A kind of greenhouse gardening light-supplementing system | |
| CN201563275U (en) | Illumination equipment control system | |
| CN201606804U (en) | Energy-saving road lamp | |
| CN105338687A (en) | Intelligent switch panel for LED lamp | |
| CN108811259A (en) | A kind of method and inductor being placed in detection natural light in Led lamps and lanterns |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Installation method of LED streetlamp driving power supply Effective date of registration: 20101008 Granted publication date: 20080917 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: Dongguan Bangchen Photoelectrc Co.,Ltd. Registration number: 2010990000909 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20120620 Granted publication date: 20080917 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: Dongguan Bangchen Photoelectrc Co.,Ltd. Registration number: 2010990000909 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Installation method of LED streetlamp driving power supply Effective date of registration: 20120620 Granted publication date: 20080917 Pledgee: China Merchants Bank Limited by Share Ltd Dongguan branch Pledgor: Dongguan Bangchen Photoelectrc Co.,Ltd. Registration number: 2012990000314 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20130726 Granted publication date: 20080917 Pledgee: China Merchants Bank Limited by Share Ltd Dongguan branch Pledgor: Dongguan Bangchen Photoelectrc Co.,Ltd. Registration number: 2012990000314 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Installation method of LED streetlamp driving power supply Effective date of registration: 20130726 Granted publication date: 20080917 Pledgee: China Merchants Bank Limited by Share Ltd Dongguan branch Pledgor: Dongguan Bangchen Photoelectrc Co.,Ltd. Registration number: 2013990000512 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080917 Termination date: 20140817 |
|
| EXPY | Termination of patent right or utility model |