CN109511201A - A kind of energy-saving LED lamp switch power - Google Patents
A kind of energy-saving LED lamp switch power Download PDFInfo
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- CN109511201A CN109511201A CN201811604050.5A CN201811604050A CN109511201A CN 109511201 A CN109511201 A CN 109511201A CN 201811604050 A CN201811604050 A CN 201811604050A CN 109511201 A CN109511201 A CN 109511201A
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- triode
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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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- 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 discloses a kind of energy-saving LED lamp switch power and application methods, including voltage/current collector, controller, power factor correction module, PWM drive module and Voltage stabilizing module, controller is separately connected voltage/current collector, power factor correction module, Voltage stabilizing module, controller connects LED light by PWM drive module, structure of the invention principle is simple, output voltage, electric current can be freely adjusted, is capable of the driving LED light of safety, saves electric energy to the greatest extent.
Description
Technical field
The present invention relates to switch power technology field, specially a kind of energy-saving LED lamp switch power.
Background technique
Switching Power Supply is the time ratio that control switch pipe turns on and off using modern power electronics technology, remains steady
Determine a kind of power supply of output voltage, Switching Power Supply is generally made of pulse width modulation control IC and MOSFET.With electric power electricity
The development and innovation of sub- technology, so that switch power technology is also innovated constantly.Currently, Switching Power Supply with small-sized, light weight and
Efficient feature is widely used almost all of electronic equipment, is that current electronics and information industry rapid development is indispensable
A kind of power mode.Switching Power Supply is becoming popular, micromation.Switching Power Supply gradually will replace transformer in life
The application of all applications, low-power microswitch power supply will be embodied in first, the side such as digital display meter, intelligent electric meter, phone charger
Face.National at this stage to widely popularize smart grid construction, the requirement to electric energy meter greatly improves, and Switching Power Supply will gradually replace
Application of the transformer on electric energy meter.
Current LED light is poor with Switching Power Supply energy-saving effect, and control efficiency is low, and security performance is low, needs further to be changed
Into.
Summary of the invention
The purpose of the present invention is to provide a kind of energy-saving LED lamp switch powers, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of energy-saving LED lamp switch power, including electricity
Pressure/current collector, controller, power factor correction module, PWM drive module and Voltage stabilizing module, the controller connect respectively
Voltage/current collector, power factor correction module, Voltage stabilizing module are connect, the controller connects LED by PWM drive module
Lamp；
The PWM drive module includes triode A, triode B, triode C, triode D and triode E, three pole
Pipe A emitter is separately connected the one end resistance A and triode B emitter, the triode A base stage be separately connected triode B base stage,
The one end resistance B, the one end resistance C and triode D collector, the triode A collector connecting triode E base stage, three pole
Pipe E collector is separately connected the one end resistance D and triode C collector, the triode B collector connecting triode C base stage, institute
Triode C emitter ground connection is stated, the triode D emitter is separately connected the one end resistance G and the one end capacitor A, the triode D
Base stage is separately connected the one end resistance E and the one end resistance F, and the resistance F other end connects the resistance D other end and signal output end, described
The resistance E other end is separately connected the capacitor A other end, the resistance G other end and the resistance C other end.
Preferably, the power factor correction module includes diode A, diode B and field effect transistor, two pole
Pipe A cathode connects the one end resistance G, and the resistance G other end connects the one end resistance H, and the resistance H other end is separately connected field effect
Transistor gate, the one end resistance I, the one end capacitor B and the one end capacitor C are answered, the capacitor B other end connects the capacitor C other end, electricity
The resistance I other end is simultaneously grounded, the field effect transistor grounded drain, and source electrode connects diode B.
Preferably, the Voltage stabilizing module uses model LM305 high-precision adjustable voltage stabilizer.
Preferably, the controller uses the single-chip microcontroller of model N76E003.
Preferably, application method the following steps are included:
A, voltage, the current signal of voltage/current collector acquisition LED light, and the signal of acquisition is sent to controller
Processing；
B, driven after controller handles the signal of acquisition power factor correction module to the output power of LED light into
Row adjustment；
C, later, controller carries out pressure stabilizing to voltage adjusted；
D, last controller is by driving PWM drive module, and the voltage for making LED light, current limit are in a limited number
Value, safe driving LED light.
Beneficial effect
(1) structure of the invention principle is simple, can freely adjust output voltage, electric current, is capable of the driving LED light of safety,
Electric energy is saved to the greatest extent.
(2) the PWM drive module that the present invention uses can export the voltage and current of restriction, and load is effectively protected.
(3) it is constant to be able to maintain output power for the power factor correction module that uses of the present invention, saves electric energy.
Detailed description of the invention
Fig. 1 is control principle drawing of the present invention；
Fig. 2 is PWM drive module schematic diagram of the present invention；
Fig. 3 is power factor correction module schematic diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of energy-saving LED lamp switch power, including voltage/
Current collector 1, controller 2, power factor correction module 3, PWM drive module 4 and Voltage stabilizing module 5, the controller 2 are distinguished
Voltage/current collector 1, power factor correction module 3, Voltage stabilizing module 5 are connected, the controller 2 passes through PWM drive module 4
Connect LED light 6；Wherein, Voltage stabilizing module 5 uses model LM305 high-precision adjustable voltage stabilizer；Controller 2 uses model
The single-chip microcontroller of N76E003, N76E003 may operate at two kinds of low-power consumption mode-idle modes and power-down mode, can pass through software
Which kind of mode selection operates in.When idle mode, chip master clock is closed, but partial function module is still run.Power-down mode
Lower chip whole clock closing ensures that chip power-consumption reaches minimum.In the normal mode of operation, master clock frequency elimination side also may be selected
Formula work, it is ensured that flexibly used between power consumption and performance.Functional module high-effect, abundant and configuration, N76E003 can be flexible
For various applications.
The PWM drive module 4 includes triode A1b, triode B2b, triode C3b, triode D4b and triode
E5b, the triode A1b emitter are separately connected the one end resistance A1a and triode B2b emitter, the triode A1b base stage
It is separately connected triode B2b base stage, the one end resistance B2a, the one end resistance C3a and triode D4b collector, the triode A1b
Collector connecting triode E5b base stage, the triode E5b collector are separately connected the one end resistance D4a and triode C3b current collection
Pole, the triode B2b collector connecting triode C3b base stage, the triode C3b emitter ground connection, the triode D4b
Emitter is separately connected the one end resistance G7a and the one end capacitor A1c, the triode D4b base stage be separately connected the one end resistance E5a and
The one end resistance F6a, the resistance F6a other end connect the resistance D4a other end and signal output end, the resistance E5a other end difference
Connect the capacitor A1c other end, the resistance G7a other end and the resistance C3a other end.Resistance B2a, resistance C3a provide PWM voltage base
Standard, by changing this benchmark, the position that circuit work can be allowed steep in pwm signal waveform comparison, triode C3b, three poles
Pipe E5b is used to provide driving current；Resistance E5a, resistance F6a are feedback resistances, for sampling to LED light voltage, are sampled
Voltage afterwards generates a strong negative-feedback by base stage of the triode E5b to triode A1b, triode B2b, thus handle
LED light voltage is limited in a limited numerical value, and the PWM drive module that the present invention uses can export the voltage and electricity of restriction
Stream, is effectively protected load.
In the present invention, power factor correction module 3 includes diode A1d, diode B2d and field effect transistor 7, described
Diode A1d cathode connects the one end resistance G7a, and the resistance G7a other end connects the one end resistance H8a, and the resistance H8a is another
End is separately connected 7 grid of field effect transistor, the one end resistance I9a, the one end capacitor B2c and the one end capacitor C3c, the capacitor B2c
The other end connection capacitor C3c other end, the resistance I9a other end are simultaneously grounded, 7 grounded drain of field effect transistor, and source electrode connects
Meet diode B2d.Capacitor B2c is exported low for filtering out high-frequency signal, capacitor C3c for filtering out low frequency signal at low voltage
Voltage, the output HIGH voltage in high voltage, electric current are changed according to low-voltage and high voltage the case where, what the present invention used
It is constant that power factor correction module is able to maintain output power, saves electric energy.
Application method of the invention the following steps are included:
A, voltage, the current signal of voltage/current collector acquisition LED light, and the signal of acquisition is sent to controller
Processing；
B, driven after controller handles the signal of acquisition power factor correction module to the output power of LED light into
Row adjustment；
C, later, controller carries out pressure stabilizing to voltage adjusted；
D, last controller is by driving PWM drive module, and the voltage for making LED light, current limit are in a limited number
It is worth (electric current 15mA≤I≤1400mA, voltage 2.75V≤U≤3.8V), safe driving LED light.
In conclusion structure of the invention principle is simple, output voltage, electric current can be freely adjusted, is capable of the driving of safety
LED light saves electric energy to the greatest extent.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of energy-saving LED lamp switch power, including voltage/current collector (1), controller (2), Active PFC mould
Block (3), PWM drive module (4) and Voltage stabilizing module (5), it is characterised in that: the controller (2) is separately connected voltage/current and adopts
Storage (1), power factor correction module (3), Voltage stabilizing module (5), the controller (2) are connected by PWM drive module (4)
LED light (6)；
The PWM drive module (4) includes triode A (1b), triode B (2b), triode C (3b), triode D (4b) and three
Pole pipe E (5b), triode A (1b) emitter is separately connected the one end (1a) resistance A and triode B (2b) emitter, described
Triode A (1b) base stage is separately connected triode B (2b) base stage, the one end resistance B (2a), the one end (3a) resistance C and triode D
(4b) collector, triode A (1b) collector connecting triode E (5b) base stage, triode E (5b) the collector difference
Connect the one end (4a) resistance D and triode C (3b) collector, triode B (2b) collector connecting triode C (3b) base
Pole, triode C (3b) the emitter ground connection, triode D (4b) emitter are separately connected the one end (7a) resistance G and capacitor
The one end A (1c), triode D (4b) base stage are separately connected the one end (5a) resistance E and the one end resistance F (6a), and resistance F (6a) is another
One end connects resistance D (4a) other end and signal output end, and it is another that resistance E (5a) other end is separately connected capacitor A (1c)
End, resistance G (7a) other end and resistance C (3a) other end.
2. a kind of energy-saving LED lamp switch power according to claim 1, it is characterised in that: the Active PFC
Module (3) includes diode A (1d), diode B (2d) and field effect transistor (7), diode A (1d) the cathode connection electricity
The one end G (7a) is hindered, resistance G (7a) other end connects the one end resistance H (8a), and resistance H (8a) other end is separately connected
Field effect transistor (7) grid, the one end resistance I (9a), the one end (2c) capacitor B and the one end capacitor C (3c), the capacitor B (2c)
Other end connection capacitor C (3c) other end, resistance I (9a) other end are simultaneously grounded, field effect transistor (7) grounded drain,
Source electrode connects diode B (2d).
3. a kind of energy-saving LED lamp switch power according to claim 1, it is characterised in that: the Voltage stabilizing module (5) is adopted
With model LM305 high-precision adjustable voltage stabilizer.
4. a kind of energy-saving LED lamp switch power according to claim 1, it is characterised in that: the controller (2) uses
The single-chip microcontroller of model N76E003.
5. a kind of application method of energy-saving LED lamp switch power according to claim 1, which is characterized in that it is used
Method the following steps are included:
A, voltage, the current signal of voltage/current collector acquisition LED light, and the signal of acquisition is sent to controller processing；
B, power factor correction module is driven to adjust the output power of LED light after controller handles the signal of acquisition
It is whole；
C, later, controller carries out pressure stabilizing to voltage adjusted；
D, last controller is by driving PWM drive module, and the voltage for making LED light, current limit are in a limited numerical value, peace
Full driving LED light.
6. application method according to claim 5, it is characterised in that: in the step D, make voltage, the electric current limit of LED light
Range processed are as follows: electric current 15mA≤I≤1400mA, voltage 2.75V≤U≤3.8V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811604050.5A CN109511201A (en) | 2018-12-26 | 2018-12-26 | A kind of energy-saving LED lamp switch power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811604050.5A CN109511201A (en) | 2018-12-26 | 2018-12-26 | A kind of energy-saving LED lamp switch power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109511201A true CN109511201A (en) | 2019-03-22 |
Family
ID=65755333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811604050.5A Pending CN109511201A (en) | 2018-12-26 | 2018-12-26 | A kind of energy-saving LED lamp switch power |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612225A (en) * | 2012-03-06 | 2012-07-25 | 广州金升阳科技有限公司 | Power circuit capable of being used for LED drive |
| CN202931602U (en) * | 2012-08-29 | 2013-05-08 | 深圳市首选科技有限公司 | Improved structure of LED fluorescent lamp driving circuit |
| KR101274110B1 (en) * | 2013-04-02 | 2013-06-12 | (주)블루싸이언스 | Led lamp apparatus using driver circuit for power factor correction and current control |
| CN203027568U (en) * | 2013-01-04 | 2013-06-26 | 苏州市泛友实业有限公司 | Power factor correcting circuit |
| CN204887639U (en) * | 2015-09-10 | 2015-12-16 | 安徽弘宇照明科技有限公司 | Intelligence drive power supply based on remote communication |
| CN205566255U (en) * | 2016-04-21 | 2016-09-07 | 象山杰尔德智能科技有限公司 | MOS circuit based on PWM drive |
-
2018
- 2018-12-26 CN CN201811604050.5A patent/CN109511201A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612225A (en) * | 2012-03-06 | 2012-07-25 | 广州金升阳科技有限公司 | Power circuit capable of being used for LED drive |
| CN202931602U (en) * | 2012-08-29 | 2013-05-08 | 深圳市首选科技有限公司 | Improved structure of LED fluorescent lamp driving circuit |
| CN203027568U (en) * | 2013-01-04 | 2013-06-26 | 苏州市泛友实业有限公司 | Power factor correcting circuit |
| KR101274110B1 (en) * | 2013-04-02 | 2013-06-12 | (주)블루싸이언스 | Led lamp apparatus using driver circuit for power factor correction and current control |
| CN204887639U (en) * | 2015-09-10 | 2015-12-16 | 安徽弘宇照明科技有限公司 | Intelligence drive power supply based on remote communication |
| CN205566255U (en) * | 2016-04-21 | 2016-09-07 | 象山杰尔德智能科技有限公司 | MOS circuit based on PWM drive |
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Application publication date: 20190322 |
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