CN107241832A - A kind of bis- sections of light modulation sleeping lamps of LED - Google Patents
A kind of bis- sections of light modulation sleeping lamps of LED Download PDFInfo
- Publication number
- CN107241832A CN107241832A CN201710588898.2A CN201710588898A CN107241832A CN 107241832 A CN107241832 A CN 107241832A CN 201710588898 A CN201710588898 A CN 201710588898A CN 107241832 A CN107241832 A CN 107241832A
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- China
- Prior art keywords
- power supply
- led
- constant current
- bis
- sections
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The present invention relates to a kind of illuminator.Purpose is to provide a kind of sleeping lamp of tunable optical to total power below 2%, and light intensity is similar to moon light, both can surroundings, can make one to fall asleep again, and with syngignoscism, made one a kind of sense of security.Technical scheme is：Bis- sections of light modulation sleeping lamps of a kind of LED, sequentially including alternating current to be converted to rectification circuit, isolation or the non-isolated power supply, filter circuit, the LED for being connected to circuit both positive and negative polarity of direct current；It is characterized in that：The sleeping lamp also includes the control circuit for controlling LED to be changed between high-low voltage by switch on wall；The control circuit includes single-chip microcomputer, controlled by single-chip microcomputer break-make triode and it is in parallel with transistor collector and emitter stage after the constant current device that is concatenated again with LED.
Description
Technical field
The present invention relates to a kind of illuminator, specifically a kind of bis- sections of light modulation sleeping lamps of LED.
Background technology
With the development of society, the increase of life stress, the sleep quality of people is generally reduced, the brightness to light is most
Compare sensitive.Two sections of conventional desk lamps with dimmer switch are minimum can only to be transferred to the 80% of total power, and light is still very strong；Down timing meeting again
There is flashing light, work very unstable, while transformer can produce annoying cry, making one to fall asleep (can not possibly be transferred to full work(
Rate 5%), so bis- sections of the LED light modulation sleeping lamps for developing a kind of low-power are necessary.
The content of the invention
The technical problems to be solved by the invention are：Overcome the shortcomings of in above-mentioned background technology there is provided a kind of tunable optical extremely
Sleeping lamp of the total power below 2%, light intensity is similar to moon light, both can surroundings, can make one to fall asleep again, and have
There is syngignoscism, made one a kind of sense of security.
The technical scheme that the present invention is provided is as follows：
Bis- sections of light modulation sleeping lamps of a kind of LED, sequentially including alternating current to be converted to rectification circuit, the isolation or non-of direct current
Insulating power supply, filter circuit, the LED for being connected to circuit both positive and negative polarity；It is characterized in that：The sleeping lamp also includes opening by wall
Close the control circuit that control LED is changed between high-low voltage；
It is described control circuit include single-chip microcomputer, by single-chip microcomputer control break-make triode and with transistor collector and hair
The constant current device concatenated again with LED after emitter-base bandgap grading is in parallel.
The isolation or non-isolated power supply are constant current insulating power supply or constant current non-isolated power supply, or are constant pressure and flow isolation
Power supply or constant pressure and flow non-isolated power supply.
The output pin that the base stage of the triode is changed with the low and high level of single-chip microcomputer is connected；The collection of the triode
Electrode is connected with the negative pole of LED, the positive pole of constant current device；The emitter stage of the triode is connected with the negative pole of constant current device
Connect.
When the isolation or non-isolated power supply is constant current insulating power supply or non-constant current insulating power supplies, constant current device is constant current two
Pole pipe, constant current triode or three-terminal voltage-stabilizing pipe；It is described isolation or non-isolated power supply be constant pressure and flow isolate or constant pressure and flow it is non-every
During from power supply, constant current device is resistive element；The LED can reach difference by changing the size of current of constant current device
The illumination effect of brightness.
The two ends of filter capacitor C1 access insulating power supplies in parallel with the output end of rectification circuit or non-isolated power supply.
The filter circuit be with isolate or non-isolated power sources in parallel access circuit both positive and negative polarity filter capacitor C2.
The beneficial effects of the invention are as follows：
The present invention controls the break-make of transistor collector and emitter stage by the level height of control single chip computer pin, from
And realize switching of the LED between all light-sleeping lamp.Under sleeping lamp state, it can adjust as needed and be connected in triode collection
The size of current of current regulator diode or constant current triode or resistance between electrode and emitter stage, reaches the power of regulation LED
Purpose.Less than the 2% of total power can be typically transferred to, less than 0.3% can be even transferred to.At this moment light is soft as moonlight
With, eyes are had no stimulation, while by surrounding environment according to it is clear that not only working stability, and transformer voltage none
Spot noise.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of the present invention.
Embodiment
With reference to Figure of description, the invention will be further described, but the invention is not limited in following examples.
Bis- sections of light modulation sleeping lamps of a kind of LED as depicted, sequentially including alternating current to be converted to the rectified current of direct current
Road, isolation or non-isolated power supply, filter circuit, the LED (including LED string) for being connected to circuit both positive and negative polarity；
The present invention's thes improvement is that：The sleeping lamp also include by switch on wall control LED high-low voltage it
Between the control circuit changed；
It is described control circuit include single-chip microcomputer, by single-chip microcomputer control break-make triode Q1 and with transistor collector with
The constant current device D1 concatenated again with LED after emitter stage is in parallel.
The rectification circuit L terminates AC network live wire, and N-terminal connects (the L termination rectifier bridge exchanges input one of AC network zero line
End, N-terminal connects the rectifier bridge exchange input other end)；The rectification circuit anode output termination isolation or non-isolated positive source are defeated
Enter end, rectification circuit cathode output end connects isolation or non-isolated power cathode input；The filter capacitor C1 and rectification circuit
Output end parallel connection access circuit (connection insulating power supply or non-isolated power supply positive and negative two ends).In figure：Isolation or non-isolated electricity
Source output cathode end is A points, is connected with LED positive pole, and negative pole end is C points.The positive pole of the filter capacitor C2 connects A points, bears
Pole connects C points.
The supply voltage VCC of the single-chip microcomputer is provided by isolation or non-isolated power supply, and VCC connects the pin of single-chip microcomputer the 5th and series connection
There is a protective resistance R1 of a protection single-chip microcomputer, the termination A points of protective resistance R1 mono-, the other end connects single-chip microcomputer and powered 5 pin, while
It is connected to VCC to power filter capacitor C3 positive poles, power supply filter capacitor C3 negative poles are connected to C points.The pin of single-chip microcomputer the 4th is believed for switch on wall CP
Number input pin, the 2nd pin connects C points and is also grounding leg.The base stage of the triode is connected with the pin of single-chip microcomputer the 1st；The triode
Colelctor electrode be connected with the negative pole of LED, constant current device D1 positive pole；The emitter stage of the triode and bearing for constant current device
Pole is connected.The isolation or non-isolated power supply can be constant current insulating power supply or constant current non-isolated power supply, or constant pressure and flow
Insulating power supply or constant pressure and flow non-isolated power supply.When isolation or non-isolated power supply are constant current insulating power supply or constant current non-isolated power supply
When, constant current device can be current regulator diode, constant current triode or three-terminal voltage-stabilizing pipe；When isolation or non-isolated power supply are constant pressure and flow
When insulating power supply or constant pressure and flow non-isolated power supply, constant current device also can select resistive element.
The equal buyable of all components of the present invention is obtained.
The present invention operation principle be：When the 1st connection of switch on wall, switching signal is obtained by the 4th pin CP ends, made
The pin of single-chip microcomputer the 1st is high voltage, is gone to drive triode Q1 base stage by the high voltage of the pin of single-chip microcomputer the 1st, turns on triode Q1,
Now electric current is flowed through after LED from A points, then the colelctor electrode through triode Q1, emitter stage to C points () form loop, now LED
Total power lights.Constant current device D1 (current regulator diode or constant current triode or resistance) is and in triode Q1 conductive electrode and hair
On emitter-base bandgap grading, by the electric current very little of current regulator diode or constant current triode or resistance, it can disregard compared with principal current.
When switch on wall second of connection of shut-off, CP ends obtain switching signal, the pin of single-chip microcomputer the 1st is changed into low electricity
Pressure.Because the 1st pin is low-voltage (namely triode Q1 base stages are low-voltage), triode cut-off；Electric current can not lead in LED
Triode is crossed, can only be passed through from the constant current device D1 being attempted by between triode Q1 conductive electrodes and emitter stage.Now electric current is from A points
LED, current regulator diode or constant current triode or resistance positive pole are flowed through, then to C points, forms low current loop.Now electric current is
Constant current, it is very stable, will not flashing light do not produce noise.Can be by adjusting current regulator diode, constant current triode or the electric current of resistance
Size reaches a moon light effect, can reach 0.1%-2% of total power or so.Now light luminance neither influences sleep and can shone
Bright surrounding objects, while having syngignoscism, making one sleep has a kind of sense of security, can also beautify the environment.Pass through switch on wall
Switch, reach all light-sleeping lamp-all light-sleeping lamp.When switch is turned off, whole LED, which is turned off, not to work.When switch is reached
During sleeping lamp, whole lamp power is below 0.2 watt, and substantially not power consumption is saved very much.
Finally it should be noted that listed above is only specific embodiment of the invention.It is clear that the invention is not restricted to
Above example, can also there is many variations.One of ordinary skill in the art can directly lead from present disclosure
All deformations for going out or associating, are considered as protection scope of the present invention.
Claims (6)
1. a kind of bis- sections of light modulation sleeping lamps of LED, sequentially including alternating current is converted to the rectification circuit of direct current, isolation or it is non-every
From power supply, filter circuit, it is connected to the LED of circuit both positive and negative polarity；It is characterized in that：The sleeping lamp also includes passing through switch on wall
The control circuit that control LED is changed between high-low voltage；
It is described control circuit include single-chip microcomputer, by single-chip microcomputer control break-make triode (Q1) and with transistor collector and hair
The constant current device (D1) concatenated again with LED after emitter-base bandgap grading is in parallel.
2. bis- sections of light modulation sleeping lamps of LED according to claim 1, it is characterised in that：The isolation or non-isolated power supply are
Constant current insulating power supply or constant current non-isolated power supply, or be constant pressure and flow insulating power supply or constant pressure and flow non-isolated power supply.
3. bis- sections of light modulation sleeping lamps of LED according to claim 2, it is characterised in that：The base stage and monolithic of the triode
The output pin of the low and high level conversion of machine is connected；The colelctor electrode of the triode and the negative pole of LED, constant current device are just
Pole is connected；The emitter stage of the triode is connected with the negative pole of constant current device.
4. bis- sections of light modulation sleeping lamps of LED according to claim 3, it is characterised in that：The isolation or non-isolated power supply are
When constant current insulating power supply or non-constant current insulating power supply, constant current device is current regulator diode, constant current triode or three-terminal voltage-stabilizing pipe；Institute
When stating isolation or non-isolated power supply for constant pressure and flow isolation or constant pressure and flow non-isolated power supply, constant current device is resistive element；Institute
The illumination effect of different brightness can be reached by changing the size of current of constant current device by stating LED.
5. bis- sections of light modulation sleeping lamps of LED according to claim 4, it is characterised in that：Filter capacitor (C1) and rectification circuit
Output end parallel connection access insulating power supply or non-isolated power supply two ends.
6. bis- sections of light modulation sleeping lamps of LED according to claim 5, it is characterised in that：The filter circuit be with isolate or
Non-isolated power sources in parallel accesses the filter capacitor (C2) of circuit both positive and negative polarity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588898.2A CN107241832A (en) | 2017-07-19 | 2017-07-19 | A kind of bis- sections of light modulation sleeping lamps of LED |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588898.2A CN107241832A (en) | 2017-07-19 | 2017-07-19 | A kind of bis- sections of light modulation sleeping lamps of LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107241832A true CN107241832A (en) | 2017-10-10 |
Family
ID=59991598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710588898.2A Pending CN107241832A (en) | 2017-07-19 | 2017-07-19 | A kind of bis- sections of light modulation sleeping lamps of LED |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107241832A (en) |
Citations (10)
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|---|---|---|---|---|
| CN201887526U (en) * | 2010-11-29 | 2011-06-29 | 天津普林电路股份有限公司 | Emergency illuminating lamp |
| JP2011155101A (en) * | 2010-01-27 | 2011-08-11 | Toshiba Lighting & Technology Corp | Led lighting apparatus |
| CN102385415A (en) * | 2010-08-30 | 2012-03-21 | 鸿富锦精密工业（深圳）有限公司 | Notebook computer |
| CN102724785A (en) * | 2011-03-29 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Control circuit |
| CN203261529U (en) * | 2013-04-26 | 2013-10-30 | 中北大学 | RC model LED lamp band wireless control system |
| CN203748060U (en) * | 2014-01-22 | 2014-07-30 | 刘胜泉 | Novel LED driver |
| CN104125680A (en) * | 2013-04-26 | 2014-10-29 | 东贝光电科技股份有限公司 | Variable power supply dimming control circuit |
| CN204031551U (en) * | 2014-08-20 | 2014-12-17 | 临海市谊诚灯饰有限公司 | A kind of high pressure can connect synchronous RGB color lamp |
| CN204350388U (en) * | 2015-01-13 | 2015-05-20 | 刘胜泉 | A kind of New LED light modulation and LED are for controller for electric consumption |
| CN105376892A (en) * | 2015-12-11 | 2016-03-02 | 成都翰道科技有限公司 | Intelligent LED lamp control system based on adjustable constant-current drive circuit |
-
2017
- 2017-07-19 CN CN201710588898.2A patent/CN107241832A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011155101A (en) * | 2010-01-27 | 2011-08-11 | Toshiba Lighting & Technology Corp | Led lighting apparatus |
| CN102385415A (en) * | 2010-08-30 | 2012-03-21 | 鸿富锦精密工业（深圳）有限公司 | Notebook computer |
| CN201887526U (en) * | 2010-11-29 | 2011-06-29 | 天津普林电路股份有限公司 | Emergency illuminating lamp |
| CN102724785A (en) * | 2011-03-29 | 2012-10-10 | 鸿富锦精密工业（深圳）有限公司 | Control circuit |
| CN203261529U (en) * | 2013-04-26 | 2013-10-30 | 中北大学 | RC model LED lamp band wireless control system |
| CN104125680A (en) * | 2013-04-26 | 2014-10-29 | 东贝光电科技股份有限公司 | Variable power supply dimming control circuit |
| CN203748060U (en) * | 2014-01-22 | 2014-07-30 | 刘胜泉 | Novel LED driver |
| CN204031551U (en) * | 2014-08-20 | 2014-12-17 | 临海市谊诚灯饰有限公司 | A kind of high pressure can connect synchronous RGB color lamp |
| CN204350388U (en) * | 2015-01-13 | 2015-05-20 | 刘胜泉 | A kind of New LED light modulation and LED are for controller for electric consumption |
| CN105376892A (en) * | 2015-12-11 | 2016-03-02 | 成都翰道科技有限公司 | Intelligent LED lamp control system based on adjustable constant-current drive circuit |
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