CN203233586U - LED energy-saving power supply - Google Patents
LED energy-saving power supply Download PDFInfo
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- CN203233586U CN203233586U CN2013202761811U CN201320276181U CN203233586U CN 203233586 U CN203233586 U CN 203233586U CN 2013202761811 U CN2013202761811 U CN 2013202761811U CN 201320276181 U CN201320276181 U CN 201320276181U CN 203233586 U CN203233586 U CN 203233586U
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- normally opened
- triode
- chip microcomputer
- resistance
- opened relay
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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)
Abstract
An LED energy-saving power supply comprises a rectification filter circuit, a voltage stabilization IC, a one-chip microcomputer control circuit, and a plurality of normally-open relays, wherein the first control terminals of the plurality of normally-open relays are connected with the output terminal of the voltage stabilization IC; the one-chip microcomputer control circuit has a plurality of signal output terminals and a power supply terminal; the second control terminals of the plurality of normally-open relays are respectively connected with the plurality of signal output terminals of the one-chip microcomputer control circuit correspondingly; the pathway fixed contacts of the plurality of normally-open relays are connected with the first signal feedback terminal of a power conversion module; the moving contacts of the plurality of normally-open relays are connected with the second signal feedback terminal of the power conversion module; and the one-chip microcomputer control circuit is used for controlling corresponding signal output terminals for outputting control signals at a corresponding preset time point so that the respective normally-open relays and the first signal feedback terminal are closed. The LED energy-saving power supply enables the brightness of an LED lamp to be controlled in a real-time manner at the preset time point, achieving the purpose of energy conservation and environmental protection.
Description
Technical field
The utility model relates to the LED energy-saving electric power.
Background technology
Environmental protection and energy saving are responsibilities of we each Earthian, and LED illumination also is a bright star in energy-conservation, but give full play to the lighting energy saving effect of LED for a nearlyer step, requirement according to relevant department, public place and street lighting need the first half of the night bright, after midnight because the stream of people is few, brightness will be chiseled the function that the step weakens.Yet present LED power supply is directly with after the civil power conversion (being power transfer module), and therefore directly driving LED load does not possess the function of real-time control LED lamp brightness.
The utility model content
The purpose of this utility model is to propose a kind of LED energy-saving electric power, and it can solve the problem that present LED power supply can not be controlled the brightness of LED lamp in real time.
In order to achieve the above object, the technical scheme that adopts of the utility model is as follows:
A kind of LED energy-saving electric power, it comprises current rectifying and wave filtering circuit, voltage stabilizing IC, single chip machine controlling circuit and a plurality of normally opened relay, the input of current rectifying and wave filtering circuit is connected with the feeder ear of a power transfer module, and the output of current rectifying and wave filtering circuit is connected with the input of voltage stabilizing IC; Described normally opened relay has first control end, second control end, moving contact, open circuit fixed contact and path fixed contact; First control end of a plurality of normally opened relays all is connected with the output of voltage stabilizing IC; Described single chip machine controlling circuit has a plurality of signal output parts and a power end, second control end of a plurality of normally opened relays connects one to one with a plurality of signal output parts of single chip machine controlling circuit respectively, and the power end of single chip machine controlling circuit also is connected with the output of voltage stabilizing IC; The path fixed contact of a plurality of normally opened relays all is connected with the first signal feedback end of power transfer module, and the moving contact of a plurality of normally opened relays all is connected with the secondary signal feedback end of power transfer module; Described single chip machine controlling circuit is used in the corresponding signal output part output of corresponding Preset Time point control control signal, so that corresponding normally opened relay and the first signal feedback end closure of power transfer module.
Preferably, the quantity of the signal output part of normally opened relay and single chip machine controlling circuit is three, and three normally opened relays are designated as normally opened relay K6, normally opened relay K5 and normally opened relay K7 respectively; Described single chip machine controlling circuit comprises single-chip microcomputer, triode Q1, triode Q2, triode Q3, resistance R 28, resistance R 29 and resistance R 30; First delivery outlet of single-chip microcomputer is connected with the base stage of triode Q3 by resistance R 28, and the collector electrode of triode Q3 is connected the grounded emitter of triode Q3 as signal output part with second control end of normally opened relay K5; Second delivery outlet of single-chip microcomputer is connected with the base stage of triode Q2 by resistance R 29, and the collector electrode of triode Q2 is connected the grounded emitter of triode Q2 as signal output part with second control end of normally opened relay K6; The 3rd delivery outlet of single-chip microcomputer is connected with the base stage of triode Q1 by resistance R 30, and the collector electrode of triode Q1 is connected the grounded emitter of triode Q1 as signal output part with second control end of normally opened relay K7; The VDD mouth of single-chip microcomputer is as power end.
Further preferred, the output of voltage stabilizing IC is connected with the VDD mouth of single-chip microcomputer by diode D4; Connected node between the VDD mouth of diode D4 and single-chip microcomputer is also by a capacitor C 7 ground connection.Preferably, described capacitor C 7 is super capacitor.
Further preferred, the path fixed contact of normally opened relay K6 is connected with the first signal feedback end of power transfer module by resistance R 39; The path fixed contact of normally opened relay K5 is connected with the first signal feedback end of power transfer module by resistance R 31; The path fixed contact of normally opened relay K7 is connected with the first signal feedback end of power transfer module by resistance R 38.
Further preferred, described single-chip microcomputer also has a USB interface.
Further preferred, described single-chip microcomputer also has a power on signal and detects mouth, and power on signal detects mouth and is connected with the negative pole of diode D4 by a resistance R 36.
The utlity model has following beneficial effect:
Can control the brightness of LED lamp at default time point in real time, reach the purpose of energy-conserving and environment-protective.
Description of drawings
Fig. 1 is the structural representation of the LED energy-saving electric power of the utility model preferred embodiment.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further.
As shown in Figure 1, a kind of LED energy-saving electric power, it comprises current rectifying and wave filtering circuit, voltage stabilizing IC U5, single chip machine controlling circuit and three normally opened relays.Three normally opened relays are designated as normally opened relay K6, normally opened relay K5 and normally opened relay K7 respectively.
The input of current rectifying and wave filtering circuit is connected with the feeder ear of power transfer module (9V), and the output of current rectifying and wave filtering circuit is connected with the input IN of voltage stabilizing IC U5.
Normally opened relay has first control end 1, second control end 2, moving contact 3, open circuit fixed contact 5 and path fixed contact 4.The normally opened relay of present embodiment adopts the electromagnetic type normally opened relay.
Described single chip machine controlling circuit has three signal output parts and a power end, second control end 2 of three normally opened relays connects one to one with three signal output parts of single chip machine controlling circuit respectively, and the power end of single chip machine controlling circuit also is connected with the output of voltage stabilizing IC U5.
The path fixed contact 4 of three normally opened relays all is connected with the first signal feedback end ADJ1 of power transfer module, and the moving contact 3 of three normally opened relays all is connected with the secondary signal feedback end ADJ2 of power transfer module.That is to say that three normally opened relays are connected in parallel.
Described single chip machine controlling circuit is used in the corresponding signal output part output of corresponding Preset Time point control control signal, so that corresponding normally opened relay and the first signal feedback end ADJ1 closure of power transfer module.
Described single chip machine controlling circuit comprises single-chip microcomputer U4, triode Q1, triode Q2, triode Q3, resistance R 28, resistance R 29 and resistance R 30.The first delivery outlet I/O1 of single-chip microcomputer U4 is connected with the base stage of triode Q3 by resistance R 28, and the collector electrode of triode Q3 is connected the grounded emitter of triode Q3 as signal output part with second control end 2 of normally opened relay K5.The second delivery outlet I/O2 of single-chip microcomputer U4 is connected with the base stage of triode Q2 by resistance R 29, and the collector electrode of triode Q2 is connected the grounded emitter of triode Q2 as signal output part with second control end 2 of normally opened relay K6.The 3rd delivery outlet I/O4 of single-chip microcomputer U4 is connected with the base stage of triode Q1 by resistance R 30, and the collector electrode of triode Q1 is connected the grounded emitter of triode Q1 as signal output part with second control end 2 of normally opened relay K7; The VDD mouth of single-chip microcomputer U4 is as power end.
The output of voltage stabilizing IC U5 is connected with the VDD mouth of single-chip microcomputer U4 by diode D4.Connected node between the VDD mouth of diode D4 and single-chip microcomputer U4 is also by a capacitor C 7 ground connection.Described capacitor C 7 is super capacitor.The combination of diode D4 and capacitor C 7 can prevent the power down of power supply short time and the interference that produces.
The path fixed contact 4 of normally opened relay K6 is connected with the first signal feedback end ADJ1 of power transfer module by resistance R 39; The path fixed contact 4 of normally opened relay K5 is connected with the first signal feedback end ADJ1 of power transfer module by resistance R 31; The path fixed contact 4 of normally opened relay K7 is connected with the first signal feedback end ADJ1 of power transfer module by resistance R 38.
The single-chip microcomputer U4 of present embodiment also tool reserves output I/O3, VSS mouth, a power on signal detection mouthful X1 mouth, X2 mouth, SCLK mouth and REST mouth.VSS mouth ground connection, and the VSS mouth is connected with the VDD mouth by a capacitor C 8.The X1 mouth is connected with the negative pole of diode D4 by a resistance R 36.Reserving output I/O3 is connected with terminal A by a resistance 32.The REST mouth is unsettled.The REST mouth is connected with the VDD mouth by reset resistor R50.
The single-chip microcomputer U4 of present embodiment also has a USB interface, and described USB interface comprises feeder ear V+, signal end SCLK, signal end STDA and earth terminal GND.Feeder ear V+ is connected with the VDD mouth by resistance R 35, and signal end SCLK is connected with the SCLK mouth by resistance R 33, and signal end STDA is connected with the X2 mouth by resistance R 34.
Single-chip microcomputer U4 is integrated with timing circuit.During use, by timing circuit the first delivery outlet I/O1, the second delivery outlet I/O2 of single-chip microcomputer U4, the time point of the 3rd delivery outlet I/O4 output signal are set earlier.During work, power transfer module inserts civil power AC and for the LED load provides operating voltage, this moment, power transfer module was operated at full capacity, and simultaneously, after the power on signal of a single-chip microcomputer U4 detection mouthful X1 detected the signal of turning on light, the timing circuit of single-chip microcomputer U4 picked up counting.When arriving Preset Time point, for example evening 1 point, the first delivery outlet I/O1 output control signal of single-chip microcomputer U4 is given triode Q2, make triode Q2 conducting, thereby make the first signal feedback end ADJ1 closure of normally opened relay K6 and power transfer module, in like manner, at default time point, normally opened relay K5, normally opened relay K7 respectively with the first signal feedback end ADJ1 closure of power transfer module, after power transfer module obtains feedback signal, adjust output current, thereby realize adjusting automatically output current intensity, reduce the power consumption of LED lamp and the effect of brightness.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection range of the utility model claim all.
Claims (7)
1. LED energy-saving electric power, it is characterized in that, comprise current rectifying and wave filtering circuit, voltage stabilizing IC, single chip machine controlling circuit and a plurality of normally opened relay, the input of current rectifying and wave filtering circuit is connected with the feeder ear of a power transfer module, and the output of current rectifying and wave filtering circuit is connected with the input of voltage stabilizing IC; Described normally opened relay has first control end, second control end, moving contact, open circuit fixed contact and path fixed contact; First control end of a plurality of normally opened relays all is connected with the output of voltage stabilizing IC; Described single chip machine controlling circuit has a plurality of signal output parts and a power end, second control end of a plurality of normally opened relays connects one to one with a plurality of signal output parts of single chip machine controlling circuit respectively, and the power end of single chip machine controlling circuit also is connected with the output of voltage stabilizing IC; The path fixed contact of a plurality of normally opened relays all is connected with the first signal feedback end of power transfer module, and the moving contact of a plurality of normally opened relays all is connected with the secondary signal feedback end of power transfer module; Described single chip machine controlling circuit is used in the corresponding signal output part output of corresponding Preset Time point control control signal, so that corresponding normally opened relay and the first signal feedback end closure of power transfer module.
2. LED energy-saving electric power as claimed in claim 1 is characterized in that, the quantity of the signal output part of normally opened relay and single chip machine controlling circuit is three, and three normally opened relays are designated as normally opened relay K6, normally opened relay K5 and normally opened relay K7 respectively; Described single chip machine controlling circuit comprises single-chip microcomputer, triode Q1, triode Q2, triode Q3, resistance R 28, resistance R 29 and resistance R 30; First delivery outlet of single-chip microcomputer is connected with the base stage of triode Q3 by resistance R 28, and the collector electrode of triode Q3 is connected the grounded emitter of triode Q3 as signal output part with second control end of normally opened relay K5; Second delivery outlet of single-chip microcomputer is connected with the base stage of triode Q2 by resistance R 29, and the collector electrode of triode Q2 is connected the grounded emitter of triode Q2 as signal output part with second control end of normally opened relay K6; The 3rd delivery outlet of single-chip microcomputer is connected with the base stage of triode Q1 by resistance R 30, and the collector electrode of triode Q1 is connected the grounded emitter of triode Q1 as signal output part with second control end of normally opened relay K7; The VDD mouth of single-chip microcomputer is as power end.
3. LED energy-saving electric power as claimed in claim 2 is characterized in that, the output of voltage stabilizing IC is connected with the VDD mouth of single-chip microcomputer by diode D4; Connected node between the VDD mouth of diode D4 and single-chip microcomputer is also by a capacitor C 7 ground connection.
4. LED energy-saving electric power as claimed in claim 3 is characterized in that, described capacitor C 7 is super capacitor.
5. LED energy-saving electric power as claimed in claim 2 is characterized in that, the path fixed contact of normally opened relay K6 is connected with the first signal feedback end of power transfer module by resistance R 39; The path fixed contact of normally opened relay K5 is connected with the first signal feedback end of power transfer module by resistance R 31; The path fixed contact of normally opened relay K7 is connected with the first signal feedback end of power transfer module by resistance R 38.
6. LED energy-saving electric power as claimed in claim 2 is characterized in that, described single-chip microcomputer also has a USB interface.
7. LED energy-saving electric power as claimed in claim 2 is characterized in that, described single-chip microcomputer also has a power on signal and detects mouth, and power on signal detects mouth and is connected with the negative pole of diode D4 by a resistance R 36.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202761811U CN203233586U (en) | 2013-05-20 | 2013-05-20 | LED energy-saving power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202761811U CN203233586U (en) | 2013-05-20 | 2013-05-20 | LED energy-saving power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203233586U true CN203233586U (en) | 2013-10-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202761811U Expired - Fee Related CN203233586U (en) | 2013-05-20 | 2013-05-20 | LED energy-saving power supply |
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| Country | Link |
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| CN (1) | CN203233586U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110431344A (en) * | 2017-02-14 | 2019-11-08 | 胡贝尔公司 | Backup power source and control for Power over Ethernet light source |
-
2013
- 2013-05-20 CN CN2013202761811U patent/CN203233586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110431344A (en) * | 2017-02-14 | 2019-11-08 | 胡贝尔公司 | Backup power source and control for Power over Ethernet light source |
| US11799684B2 (en) | 2017-02-14 | 2023-10-24 | Hubbell Incorporated | Backup power source and control for power over ethernet light sources |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20210520 |