CN102665338A - Light emitting diode (LED) driving power module used for silicon controlled regulating circuit - Google Patents
Light emitting diode (LED) driving power module used for silicon controlled regulating circuit Download PDFInfo
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- CN102665338A CN102665338A CN2012101257771A CN201210125777A CN102665338A CN 102665338 A CN102665338 A CN 102665338A CN 2012101257771 A CN2012101257771 A CN 2012101257771A CN 201210125777 A CN201210125777 A CN 201210125777A CN 102665338 A CN102665338 A CN 102665338A
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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
Abstract
The invention belongs to the electronic technology field, and particularly relates to a light emitting diode (LED) driving power module used for a silicon controlled regulating circuit. The silicon controlled regulating circuit and the LED driving power module are connected in series, and then contacted to the 220V alternating current. The LED driving power module provided by the invention is characterized in that the LED driving power module comprises a rectifier and filter circuit, a voltage-reducing & initial voltage-stabilizing circuit and a constant current & expansive current circuit. The rectifier and filter circuit, the constant current & expansive current circuit, the voltage-reducing & initial voltage-stabilizing circuit and an LED array are matched and connected. Compared with the prior art, the LED driving power module provided by the invention has the advantages that electromagnetic interference is avoided; the cost is low; voltage and current can be adjusted to match into LED constant current driving power at any time when a lamp combined by low-power LED lamp beads or big-power LED1W lamp beads is used as required; the LED driving power module disclosed by the invention is suitable for any silicon controlled regulating circuit.
Description
Technical field
The invention belongs to electronic technology field, be specially a kind of LED driving power module that is used for the controllable silicon regulating circuit.
Background technology
At present all LED illuminating lamps all can not be directly with on the controllable silicon light modulation of civil power 220V serial connection externally, the delay switch circuit, be very important so design the LED lighting lamp circuit that directly uses in a kind of controllable silicon regulating circuit externally.
Summary of the invention
To the problem that exists in the prior art, the object of the present invention is to provide a kind of technical scheme that is used for the LED driving power module of controllable silicon regulating circuit.
The described LED driving power module that is used for the controllable silicon regulating circuit; Connect the 220V alternating current after controllable silicon regulating circuit, the series connection of LED driving power module; It is characterized in that described LED driving power module comprises current rectifying and wave filtering circuit, the initial voltage stabilizing circuit of step-down and constant current expansion current circuit, current rectifying and wave filtering circuit and constant current are expanded current circuit, the initial voltage stabilizing circuit of step-down and led array and are connected.
The described LED driving power module that is used for the controllable silicon regulating circuit; It is characterized in that described current rectifying and wave filtering circuit is made up of diode D1, diode D2, diode D3, diode D4 and filter capacitor C; The initial voltage stabilizing circuit of step-down is made up of resistance R 1, voltage stabilizing didoe D6, resistance R 4 and FET Q2, and constant current is expanded current circuit and is made up of current regulator diode D5, resistance R 2, resistance R 3 and triode Q1.
The described LED driving power module that is used for the controllable silicon regulating circuit; It is characterized in that described diode D1, diode D2, diode D3, diode D4 constitute rectifier bridge; The rectifier bridge input with connect the 220V alternating current again after the controllable silicon regulating circuit is connected in series; The positive pole of rectification bridge output end connects an end, the positive pole of current regulator diode D5, the collector electrode of triode Q1 and the end of resistance R 1 of filter capacitor C; The negative pole of rectification bridge output end connects the other end, voltage stabilizing didoe D6 positive pole and resistance R 4 one ends of filter capacitor C, and the negative pole of current regulator diode D5 connects the base stage of triode Q1 and an end of resistance R 3, and the emitter of triode Q1 connects an end of resistance R 2; The other end of resistance R 2 and the other end of resistance R 3 are connected the positive pole of led array respectively; The negative pole of voltage stabilizing didoe D6 connects the other end of resistance R 1 and the grid of FET Q2, and the drain electrode of FET Q2 connects the other end of resistance R 4, and the source electrode of FET Q2 connects the negative pole of led array.
The described LED driving power module that is used for the controllable silicon regulating circuit is characterized in that described led array is formed by at least two LED serial connections, and LED is plug-in unit or patch light-emitting diode.
The described LED driving power module that is used for the controllable silicon regulating circuit is characterized in that described controllable silicon regulating circuit is controllable silicon light modulation or controllable silicon delay switch circuit.
Compared with prior art; The invention has the advantages that: do not have electromagnetic interference; Cost is low; As required no matter with the light fixture of low-power LED lamp pearl or the combination of great power LED 1W lamp pearl at any time regulation voltage be matched to the LED constant-current driving power supply with electric current, can be suitable in any controllable silicon regulating circuit.
Description of drawings
Fig. 1 is circuit theory diagrams of the present invention.
Embodiment
Below in conjunction with Figure of description the present invention is further specified:
The LED driving power module that is used for the controllable silicon regulating circuit; Connect the 220V alternating current after controllable silicon regulating circuit, the series connection of LED driving power module; LED driving power module comprises current rectifying and wave filtering circuit, the initial voltage stabilizing circuit of step-down and constant current expansion current circuit, and current rectifying and wave filtering circuit and constant current are expanded current circuit, the initial voltage stabilizing circuit of step-down and led array and be connected.Wherein, Current rectifying and wave filtering circuit is made up of diode D1, diode D2, diode D3, diode D4 and filter capacitor C; The initial voltage stabilizing circuit of step-down is made up of resistance R 1, voltage stabilizing didoe D6, resistance R 4 and FET Q2, and constant current is expanded current circuit and is made up of current regulator diode D5, resistance R 2, resistance R 3 and triode Q1.
Concrete annexation is following: diode D1, diode D2, diode D3, diode D4 constitute rectifier bridge; The rectifier bridge input with connect the 220V alternating current again after the controllable silicon regulating circuit is connected in series; The positive pole of rectification bridge output end connects an end, the positive pole of current regulator diode D5, the collector electrode of triode Q1 and the end of resistance R 1 of filter capacitor C; The negative pole of rectification bridge output end connects the other end, voltage stabilizing didoe D6 positive pole and resistance R 4 one ends of filter capacitor C; The negative pole of current regulator diode D5 connects the base stage of triode Q1 and an end of resistance R 3; The emitter of triode Q1 connects an end of resistance R 2, and the other end of resistance R 2 and the other end of resistance R 3 are connected the positive pole of led array, the other end of the negative pole connection resistance R 1 of voltage stabilizing didoe D6 and the grid of FET Q2 respectively; The drain electrode of FET Q2 connects the other end of resistance R 4, and the source electrode of FET Q2 connects the negative pole of led array.
Operation principle: controllable silicon regulating circuit one end connects civil power 220V one end; The other end connects the anodal and diode D4 negative pole of diode D3 of rectifier bridge, and the civil power 220V other end connects the diode D1 negative pole and the diode D2 positive pole of rectifier bridge, and the diode D2 of rectifier bridge is connected filter capacitor C one end with diode D3 negative pole; The diode D1 and the anodal other end that is connected filter capacitor C of diode D4; Steady direct current behind the formation rectifying and wave-filtering, resistance R 1 one ends connect the direct current output cathode, and the other end connects voltage stabilizing didoe D6 negative pole and FET Q2 grid G; The control voltage and current of FET Q2 source S and drain D conducting is provided; The direct current output negative pole connects anodal and resistance R 4 one ends of voltage stabilizing didoe D6, and resistance R 4 other ends connect FET Q2 drain D, makes the required original negative pole tension of FET Q2 source S output led array; The direct current output cathode connects the anodal and triode Q1 collector electrode of current regulator diode D5 again; Current regulator diode D5 negative pole is connected triode Q1 base stage with resistance R 3 one ends, and triode Q1 transmitter connects resistance R 2 one ends, and resistance R 2 other ends are connected led array with resistance R 3 other ends anodal; Current regulator diode D5, resistance R 2, resistance R 3 and triode Q1 utilize little electric current current regulator diode D5 that the base current of triode Q1 is provided, and amplify β through triode Q1 and doubly resupply later load.
Controllable silicon regulating circuit serial connection of the present invention is arranged on input one end of rectifier bridge.
Led array of the present invention is formed by at least two LED serial connections, and LED is plug-in unit or patch light-emitting diode.
Controllable silicon regulating circuit of the present invention is controllable silicon light modulation or controllable silicon delay switch circuit.
The present invention reduces the driving power cost significantly, can reduce by 70% cost than existing Switching Power Supply, simultaneously, prolongs 2-3 doubly than the existing charged driving power life-span of separating electric capacity, really realizes the corresponding life-span of LED.
Claims (5)
1. the LED driving power module that is used for the controllable silicon regulating circuit; Connect the 220V alternating current after controllable silicon regulating circuit, the series connection of LED driving power module; It is characterized in that described LED driving power module comprises current rectifying and wave filtering circuit, the initial voltage stabilizing circuit of step-down and constant current expansion current circuit, current rectifying and wave filtering circuit and constant current are expanded current circuit, the initial voltage stabilizing circuit of step-down and led array and are connected.
2. the LED driving power module that is used for the controllable silicon regulating circuit according to claim 1; It is characterized in that described current rectifying and wave filtering circuit is made up of diode D1, diode D2, diode D3, diode D4 and filter capacitor C; The initial voltage stabilizing circuit of step-down is made up of resistance R 1, voltage stabilizing didoe D6, resistance R 4 and FET Q2, and constant current is expanded current circuit and is made up of current regulator diode D5, resistance R 2, resistance R 3 and triode Q1.
3. the LED driving power module that is used for the controllable silicon regulating circuit according to claim 2; It is characterized in that described diode D1, diode D2, diode D3, diode D4 constitute rectifier bridge; The rectifier bridge input with connect the 220V alternating current again after the controllable silicon regulating circuit is connected in series; The positive pole of rectification bridge output end connects an end, the positive pole of current regulator diode D5, the collector electrode of triode Q1 and the end of resistance R 1 of filter capacitor C; The negative pole of rectification bridge output end connects the other end, voltage stabilizing didoe D6 positive pole and resistance R 4 one ends of filter capacitor C, and the negative pole of current regulator diode D5 connects the base stage of triode Q1 and an end of resistance R 3, and the emitter of triode Q1 connects an end of resistance R 2; The other end of resistance R 2 and the other end of resistance R 3 are connected the positive pole of led array respectively; The negative pole of voltage stabilizing didoe D6 connects the other end of resistance R 1 and the grid of FET Q2, and the drain electrode of FET Q2 connects the other end of resistance R 4, and the source electrode of FET Q2 connects the negative pole of led array.
4. the LED driving power module that is used for the controllable silicon regulating circuit according to claim 1 is characterized in that described led array is formed by at least two LED serial connections, and LED is plug-in unit or patch light-emitting diode.
5. the LED driving power module that is used for the controllable silicon regulating circuit according to claim 1 is characterized in that described controllable silicon regulating circuit is controllable silicon light modulation or controllable silicon delay switch circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101257771A CN102665338A (en) | 2012-04-26 | 2012-04-26 | Light emitting diode (LED) driving power module used for silicon controlled regulating circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101257771A CN102665338A (en) | 2012-04-26 | 2012-04-26 | Light emitting diode (LED) driving power module used for silicon controlled regulating circuit |
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| CN102665338A true CN102665338A (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101257771A Pending CN102665338A (en) | 2012-04-26 | 2012-04-26 | Light emitting diode (LED) driving power module used for silicon controlled regulating circuit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728951A (en) * | 2014-01-06 | 2014-04-16 | 深圳市兴源智能仪表科技有限公司 | Current regulative diode circuit of meter bus slave interface |
| CN105094192A (en) * | 2015-09-23 | 2015-11-25 | 湖南工业大学 | Voltage dividing direct-current auxiliary power supply for current amplification type adjustable constant-current circuit |
| CN108063437A (en) * | 2017-12-28 | 2018-05-22 | 广州爱易学智能信息科技有限公司 | The short-circuit protection circuit of classroom blackboard LED light strip |
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| CN101657057A (en) * | 2009-08-21 | 2010-02-24 | 深圳市金流明光电技术有限公司 | LED power circuit |
| CN101668365A (en) * | 2008-09-05 | 2010-03-10 | 李旭明 | Constant-current source driver circuit and device |
| CN201499346U (en) * | 2009-07-21 | 2010-06-02 | 福建大晶光电有限公司 | Lower-power LED stabilized current driving circuit |
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| US20110260644A1 (en) * | 2010-04-22 | 2011-10-27 | Ampower Technology Co., Ltd. | Light emitting diode backlight driving system |
| CN202551459U (en) * | 2012-04-26 | 2012-11-21 | 永康市普发科技有限公司 | LED (Light Emitting Diode) driving power supply module for silicon controlled regulating circuit |
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- 2012-04-26 CN CN2012101257771A patent/CN102665338A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2870366Y (en) * | 2006-02-21 | 2007-02-14 | 刘世安 | AC 220V semi-conductor LED drive circuit |
| CN101668365A (en) * | 2008-09-05 | 2010-03-10 | 李旭明 | Constant-current source driver circuit and device |
| CN201499346U (en) * | 2009-07-21 | 2010-06-02 | 福建大晶光电有限公司 | Lower-power LED stabilized current driving circuit |
| CN101657057A (en) * | 2009-08-21 | 2010-02-24 | 深圳市金流明光电技术有限公司 | LED power circuit |
| US20110260644A1 (en) * | 2010-04-22 | 2011-10-27 | Ampower Technology Co., Ltd. | Light emitting diode backlight driving system |
| CN201726573U (en) * | 2010-07-13 | 2011-01-26 | 欧志福 | LED protective constant-current self-adjustment lighting circuit |
| CN201742622U (en) * | 2010-08-12 | 2011-02-09 | 无锡科尔华电子有限公司 | Constant-current control power supply for LED (light-emitting diode) street lamp |
| CN202551459U (en) * | 2012-04-26 | 2012-11-21 | 永康市普发科技有限公司 | LED (Light Emitting Diode) driving power supply module for silicon controlled regulating circuit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728951A (en) * | 2014-01-06 | 2014-04-16 | 深圳市兴源智能仪表科技有限公司 | Current regulative diode circuit of meter bus slave interface |
| CN105094192A (en) * | 2015-09-23 | 2015-11-25 | 湖南工业大学 | Voltage dividing direct-current auxiliary power supply for current amplification type adjustable constant-current circuit |
| CN108063437A (en) * | 2017-12-28 | 2018-05-22 | 广州爱易学智能信息科技有限公司 | The short-circuit protection circuit of classroom blackboard LED light strip |
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Application publication date: 20120912 |