CN203748068U - LED lamp intelligent dimming circuit - Google Patents
LED lamp intelligent dimming circuit Download PDFInfo
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- CN203748068U CN203748068U CN201420080174.9U CN201420080174U CN203748068U CN 203748068 U CN203748068 U CN 203748068U CN 201420080174 U CN201420080174 U CN 201420080174U CN 203748068 U CN203748068 U CN 203748068U
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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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Abstract
The utility model discloses an LED lamp intelligent dimming circuit which contains a rectifier module, a constant-current driver module, an on-off control module, and a positive output end and a negative output end which are used for connecting an LED lamp. The on-off control module counts power-on frequency and sends a control instruction to the constant-current driver module; and the constant-current driver module outputs drive current of various amplitudes to the positive and negative output ends according to the control instruction. According to the utility model, it is not necessary to change a present switch wiring structure; an old lamp (such as a fluorescent lamp and an incandescent lamp) can be directly displaced; and by controlling a common power switch and controlling on-off several times within a fixed time, brightness of an LED lamp is adjusted by the circuit. The LED lamp intelligent dimming circuit is very convenient to use, accords with humanized operation and is more energy saving.
Description
Technical field
The utility model relates to LED lamp control circuit, relates in particular to a kind of light adjusting circuit of selecting the brightness of LED lamp by operation metope mains switch.
Background technology
The power consumption of traditional fluorescent lamp pipe is high, the life-span is short, and has used the heavy metal element of many contaminated environment, runs counter to the main trend of environmental protection.Along with the high speed development LED illumination of LED technology becomes the only choosing that novel green throws light on gradually, just progressively substitute traditional fluorescent lamp pipe.LED is far superior to traditional lighting product in the aspect of principle of luminosity, energy-saving and environmental protection.In order to adapt to the brightness of illumination of different occasions, the dimming mode that each production firm adopts emerges in an endless stream, with maximum be exactly to use traditional controllable silicon dimmer and remote controller to carry out light modulation to LED light fixture, so not only to reinstall line but also increased many costs.So develop a kind of without reinstalling circuit, do not increase cost, the light adjusting circuit that utilizes common metope mains switch to control the brightness of LED lamp becomes the technical problem of needing in the industry solution badly.
Utility model content
The utility model is the problems referred to above that will solve prior art, proposes a kind of without reinstalling circuit, do not increase cost, utilizing common metope mains switch to control the light adjusting circuit of LED lamp brightness.
For solving the problems of the technologies described above, the technical scheme the utility model proposes is a kind of LED lamp Intelligent dimming circuit of design, it has rectification module, constant-current driven module, switch control module, in order to connect cathode output end and the cathode output end of LED lamp, wherein switch control module is added up the number of times of power connection and is sent control command to constant-current driven module, and constant-current driven module is exported the drive current of various amplitudes to positive and negative electrode output according to control command, the positive pole of described rectification module connects cathode output end, the minus earth of rectification module, described constant-current driven module comprises first, two, three, four, eight electric capacity, the 5th, six, seven, eight diodes, first, two, three resistance, the second sampling resistor, inductance, constant-current driven chip, the first electric capacity, the 5th diode cathode, the 8th electric capacity, the first resistance, the 8th diode cathode, one end of the 4th electric capacity connects the positive pole of rectification module, the anode of another termination the 6th diode of the first electric capacity and the negative electrode of the 7th diode, the negative electrode of the 6th diode connects one end of anode and second electric capacity of the 5th diode, one end of another termination the second resistance of the first resistance, another termination the 3rd one end of electric capacity and the supply pin of constant-current driven chip of the second resistance, the anode of the 8th diode connects one end of inductance and the power switch pin of constant-current driven chip, the other end of another termination inductance of the 4th electric capacity and described cathode output end, the anode of the 7th diode, the other end of the second electric capacity, the other end of the 8th electric capacity, the other end of the 3rd electric capacity, the lower margin ground connection of constant-current driven chip, the open-circuit-protection of constant-current driven chip regulates pin by the 3rd grounding through resistance, and the current sample pin of constant-current driven chip is by the second sampling resistor ground connection, described switch control module comprises the 4th, five, seven, eight, nine, ten, 11, 12, 13 resistance, the 5th, six, seven electric capacity, the 9th diode, voltage stabilizing didoe, the first and second triodes, first and the 3rd sampling resistor, switch control chip, cathode output end described in one termination of the 4th resistance, one end of another termination the 5th resistance of the 4th resistance, another termination the 11 resistance of the 5th resistance, the 9th resistance, the 7th resistance, one end of the 13 resistance, and the negative electrode of voltage stabilizing didoe, one end of the 5th electric capacity, the anode of the 9th diode, one end of another termination the 6th electric capacity of the 13 resistance and the clock input pin of switch control chip, the negative electrode of the 9th diode connects the supply pin of switch control chip, one end of the 7th electric capacity and the 8th resistance, the 3rd output control pin of one end of another termination the tenth resistance of the 9th resistance and switch control chip, the base stage of another termination the first triode of the tenth resistance, the collector electrode of the first triode connects the current sample pin of constant-current driven chip by the first sampling resistor, the second output control pin of one end of another termination the 12 resistance of the 11 resistance and switch control chip, the base stage of another termination the second triode of the 12 resistance, the collector electrode of the second triode connects the current sample pin of constant-current driven chip by the 3rd sampling resistor, the grounded emitter of the first triode and the second triode, the plus earth of voltage stabilizing didoe, the 5th electric capacity, the 7th resistance, the 6th electric capacity, the 7th electric capacity, the other end ground connection of the 8th resistance.
The model of described constant-current driven chip is BP2833D.
The model of described switch control chip is HL2806.
Use the utility model need not change existing switch wire structures, can directly replace old-fashioned light fixture (as fluorescent lamp and incandescent lamp), by handling common metope mains switch, manipulation in official hour is switch for several times, by the brightness of circuit adjustment LED lamp, use the very convenient hommization operation that meets, more energy-conservation.
Brief description of the drawings
Fig. 1 is the circuit theory diagrams of the utility model preferred embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only for explaining the utility model, and be not used in restriction the utility model.
The LED lamp Intelligent dimming circuit that the utility model discloses, it has rectification module, constant-current driven module, switch control module, in order to connect cathode output end and the cathode output end of LED lamp, wherein switch control module is added up the number of times of power connection and is sent control command to constant-current driven module, and constant-current driven module is exported the drive current of various amplitudes to positive and negative electrode output according to control command.
As shown in Figure 1, the positive pole of described rectification module connects cathode output end, the minus earth of rectification module.Described constant-current driven module comprise first, second, third and fourth, eight electric capacity (C1, C 2, C 3, C 4, C 8), five, six, seven, eight diodes (D5, D 6, D 7, D 8), first, second and third resistance (R1, R 2, R 3), the second sampling resistor RS2, inductance T1, constant-current driven chip U1.
Wherein the first capacitor C 1, the 5th diode cathode D5, the 8th capacitor C 8, the first resistance R 1, the 8th diode D 8 negative electrodes, one end of the 4th capacitor C 4 connects the positive pole of rectification module, the anode of another termination the 6th diode D 6 of the first capacitor C 1 and the negative electrode of the 7th diode D 7, the negative electrode of the 6th diode D 6 connects the anode of the 5th diode D5 and one end of the second capacitor C 2, one end of another termination the second resistance R 2 of the first resistance R 1, one end of another termination the 3rd capacitor C 3 of the second resistance R 2 and the supply pin of constant-current driven chip U1 (the 4th pin VCC of U1), the anode of the 8th diode D 8 meets one end of inductance T1 and the power switch pin of constant-current driven chip (the 5th and the 6th pin DRAIN of U1, this pin connects the drain electrode of internal high pressure power tube), the other end and the described cathode output end of another termination inductance T1 of the 4th capacitor C 4, the anode of the 7th diode D 7, the other end of the second capacitor C 2, the other end of the 8th capacitor C 8, the other end of the 3rd capacitor C 3, lower margin (the 1st pin GND of the U1) ground connection of constant-current driven chip, the open-circuit-protection of constant-current driven chip regulates pin (the 2nd pin ROVP of U1) by the 3rd resistance R 3 ground connection, the current sample pin (the 7th and the 8th pin ROVP of U1) of constant-current driven chip is by the second sampling resistor RS2 ground connection.The 3rd pin NC of U1, can be connected to ground.
Described switch control module comprises fourth, fifth, seven, eight, nine, ten, 11,12,13 resistance (R4, R5, R7, R8, R9, R10, R11, R12, R13), five, six, seven electric capacity (C5, C6, C7), the 9th diode D9, voltage stabilizing didoe DZ1, the first and second triodes (Q1, Q2), first and the 3rd sampling resistor (RS1, RS3), switch control chip U2.Wherein cathode output end described in a termination of the 4th resistance R 4, one end of another termination the 5th resistance R 5 of the 4th resistance R 4, another termination the 11 resistance R 11 of the 5th resistance R 5, the 9th resistance R 9, the 7th resistance R 7, one end of the 13 resistance R 13, and the negative electrode of voltage stabilizing didoe DZ1, one end of the 5th capacitor C 5, the anode of the 9th diode D9, one end of another termination the 6th capacitor C 6 of the 13 resistance R 13 and the clock input pin of switch control chip U2 (the 4th pin CLK of U2), the negative electrode of the 9th diode D9 connects the supply pin (the 5th pin VDD of U2) of switch control chip, one end of the 7th capacitor C 7 and the 8th resistance R 8, the 3rd output control pin (the 7th pin L3 of U2) of one end of another termination the tenth resistance R 10 of the 9th resistance R 9 and switch control chip, the base stage of another termination first triode Q1 of the tenth resistance R 10, the collector electrode of the first triode Q1 connects the current sample pin (the 7th and the 8th pin ROVP of U1) of constant-current driven chip by the first sampling resistor RS1, the second output control pin (the 8th pin L2 of U2) of one end of another termination the 12 resistance R 12 of the 11 resistance R 11 and switch control chip, the base stage of another termination second triode Q2 of the 12 resistance R 12, the collector electrode of the second triode Q2 connects the current sample pin (the 7th and the 8th pin ROVP of U1) of constant-current driven chip by the 3rd sampling resistor RS3, the grounded emitter of the first triode Q1 and the second triode Q2, the plus earth of voltage stabilizing didoe DZ1, the 5th capacitor C 5, the 7th resistance R 7, the 6th capacitor C 6, the 7th capacitor C 7, the other end ground connection of the 8th resistance R 8.The 1st pin of U2 is that lower margin GND, the 2nd pin are that the first output control pin L1, the 3rd pin are that resetting pin POR, the 6th pin are model selection pin SEL, the 6th pin ground connection.
In preferred embodiment, the model of described constant-current driven chip U1 is BP2833D.The model of described switch control chip U2 is HL2806.
When use, this Intelligent dimming circuit is arranged in the housing of LED lamp and is suspended on wall or ceiling, be connected with common metope mains switch, when metope mains switch is closed, constant-current driven module is by R 4, R5 provides operating current to switch control module, 7 pin 8 pin of U2 are high potential, now R9, R10 provides base bias voltage to Q1, make Q1 saturation conduction, RS1 is equivalent to connect in parallel with RS2 with ground, R11 simultaneously, R12 provides base bias voltage to Q2, make Q2 saturation conduction, thereby RS3 is equivalent to connect the also RCS of adjusting constant-current driven module in parallel with RS2 with ground, make output current reach 100%, now LED brightness is 100%.
When metope mains switch is closed while closing in latter 2 seconds again, because switch cuts out rear C5 to R7 electric discharge and R13 and C6 composition switch detection clock signal, when again closing in 2 seconds discharge times of switch at C5 and R7 while closing, triggering U2 is made U2 8 pin output electronegative potentials by clock signal, now Q2 base stage is that electronegative potential ends, and RS3 disconnects with ground, becomes large thereby change constant-current circuit RCS, make its output current be adjusted to 50%, now because the constant-current circuit output current LED that diminishes is also just adjusted to 50% brightness.
When metope mains switch is closed while closing in latter 2 seconds again, clock signal will trigger the 7 pin output electronegative potentials of U2 again, now Q1 base stage is that electronegative potential ends, RS1 disconnects with ground, thereby change larger that constant-current circuit RCS becomes, make its output current again be adjusted to 30%, now LED brightness is just also 30% brightness.
When metope mains switch is closed while closing in latter 2 seconds again, clock signal triggers U2 again, make 7 pin 8 pin of U2 again be output as high potential, Q1, Q2 be conducting simultaneously again, constant-current circuit output current is adjusted to again 100%, now LED brightness also rotates back into 100% brightness, enters a brightness regulation circulation, thereby reaches the effect of incremental dimming.
That is: by metope mains switch from be closed into disconnection more closed action to regulate the brightness regulation of LED fluorescent tube be 100%---50%---30%---100%, thereby the incremental dimming effect that realizes a kind of LED fluorescent tube of switch intelligent dimming, reaches good energy-saving effect.
Above embodiment is only for illustrating, non-providing constraints.Anyly do not depart from the application's spirit and category, and equivalent modifications or change that it is carried out all should be contained among the application's claim scope.
Claims (3)
1. a LED lamp Intelligent dimming circuit, it is characterized in that: there is rectification module, constant-current driven module, switch control module, in order to connect cathode output end and the cathode output end of LED lamp, wherein switch control module is added up the number of times of power connection and is sent control command to constant-current driven module, and constant-current driven module is exported the drive current of various amplitudes to positive and negative electrode output according to control command;
The positive pole of described rectification module connects cathode output end, the minus earth of rectification module;
Described constant-current driven module comprises first, two, three, four, eight electric capacity (C1, C 2, C 3, C 4, C 8), the 5th, six, seven, eight diode (D5, D 6, D 7, D 8), first, two, three resistance (R1, R 2, R 3), the second sampling resistor (RS2), inductance (T1), constant-current driven chip (U1), the first electric capacity, the 5th diode cathode, the 8th electric capacity, the first resistance, the 8th diode cathode, one end of the 4th electric capacity connects the positive pole of rectification module, the anode of another termination the 6th diode of the first electric capacity and the negative electrode of the 7th diode, the negative electrode of the 6th diode connects one end of anode and second electric capacity of the 5th diode, one end of another termination the second resistance of the first resistance, another termination the 3rd one end of electric capacity and the supply pin of constant-current driven chip of the second resistance, the anode of the 8th diode connects one end of inductance and the power switch pin of constant-current driven chip, the other end of another termination inductance of the 4th electric capacity and described cathode output end, the anode of the 7th diode, the other end of the second electric capacity, the other end of the 8th electric capacity, the other end of the 3rd electric capacity, the lower margin ground connection of constant-current driven chip, the open-circuit-protection of constant-current driven chip regulates pin by the 3rd grounding through resistance, and the current sample pin of constant-current driven chip is by the second sampling resistor ground connection,
Described switch control module comprises the 4th, five, seven, eight, nine, ten, 11, 12, 13 resistance (R4, R5, R7, R8, R9, R10, R11, R12, R13) the, the 5th, six, seven electric capacity (C5, C6, C7), the 9th diode (D9), voltage stabilizing didoe (DZ1), the first and second triode (Q1, Q2), first and the 3rd sampling resistor (RS1, RS3), switch control chip (U2), cathode output end described in a termination of the 4th resistance, one end of another termination the 5th resistance of the 4th resistance, another termination the 11 resistance of the 5th resistance, the 9th resistance, the 7th resistance, one end of the 13 resistance, and the negative electrode of voltage stabilizing didoe, one end of the 5th electric capacity, the anode of the 9th diode, one end of another termination the 6th electric capacity of the 13 resistance and the clock input pin of switch control chip, the negative electrode of the 9th diode connects the supply pin of switch control chip, one end of the 7th electric capacity and the 8th resistance, the 3rd output control pin of one end of another termination the tenth resistance of the 9th resistance and switch control chip, the base stage of another termination the first triode of the tenth resistance, the collector electrode of the first triode connects the current sample pin of constant-current driven chip by the first sampling resistor, the second output control pin of one end of another termination the 12 resistance of the 11 resistance and switch control chip, the base stage of another termination the second triode of the 12 resistance, the collector electrode of the second triode connects the current sample pin of constant-current driven chip by the 3rd sampling resistor, the grounded emitter of the first triode and the second triode, the plus earth of voltage stabilizing didoe, the 5th electric capacity, the 7th resistance, the 6th electric capacity, the 7th electric capacity, the other end ground connection of the 8th resistance.
2. LED lamp Intelligent dimming circuit as claimed in claim 1, is characterized in that: the model of described constant-current driven chip (U1) is BP2833D.
3. LED lamp Intelligent dimming circuit as claimed in claim 1, is characterized in that: the model of described switch control chip (U2) is HL2806.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080174.9U CN203748068U (en) | 2014-02-25 | 2014-02-25 | LED lamp intelligent dimming circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420080174.9U CN203748068U (en) | 2014-02-25 | 2014-02-25 | LED lamp intelligent dimming circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203748068U true CN203748068U (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420080174.9U Expired - Fee Related CN203748068U (en) | 2014-02-25 | 2014-02-25 | LED lamp intelligent dimming circuit |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104411061A (en) * | 2014-11-28 | 2015-03-11 | 深圳市明微电子股份有限公司 | Driving device, lamp and driving method |
| CN106641844A (en) * | 2016-12-23 | 2017-05-10 | 浙江萌宠日记信息科技股份有限公司 | Intelligent decorative desk lamp |
| CN107105535A (en) * | 2016-02-19 | 2017-08-29 | 上海俪德照明科技股份有限公司 | A kind of control system and its G9 LED bulbs for adjusting brightness |
| CN107277965A (en) * | 2016-04-08 | 2017-10-20 | 东林科技股份有限公司 | Light source driver and lighting device comprising same |
| CN112312607A (en) * | 2020-09-15 | 2021-02-02 | 厦门阳光恩耐照明有限公司 | Constant current switching circuit of LED induction night lamp |
| CN114033978A (en) * | 2021-12-02 | 2022-02-11 | 深圳市源立信照明科技有限公司 | Electric focusing lighting circuit, control method thereof and lamp |
-
2014
- 2014-02-25 CN CN201420080174.9U patent/CN203748068U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104411061A (en) * | 2014-11-28 | 2015-03-11 | 深圳市明微电子股份有限公司 | Driving device, lamp and driving method |
| CN107105535A (en) * | 2016-02-19 | 2017-08-29 | 上海俪德照明科技股份有限公司 | A kind of control system and its G9 LED bulbs for adjusting brightness |
| CN107277965A (en) * | 2016-04-08 | 2017-10-20 | 东林科技股份有限公司 | Light source driver and lighting device comprising same |
| CN106641844A (en) * | 2016-12-23 | 2017-05-10 | 浙江萌宠日记信息科技股份有限公司 | Intelligent decorative desk lamp |
| CN112312607A (en) * | 2020-09-15 | 2021-02-02 | 厦门阳光恩耐照明有限公司 | Constant current switching circuit of LED induction night lamp |
| CN112312607B (en) * | 2020-09-15 | 2023-07-11 | 厦门阳光恩耐照明有限公司 | Constant current switching circuit of LED induction night lamp |
| CN114033978A (en) * | 2021-12-02 | 2022-02-11 | 深圳市源立信照明科技有限公司 | Electric focusing lighting circuit, control method thereof and lamp |
| CN114033978B (en) * | 2021-12-02 | 2024-02-06 | 深圳市源立信照明科技有限公司 | Electric focusing lighting circuit, control method thereof and lamp |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong province Shenzhen Guangming yulv Village Sixth Industrial Zone 19 Patentee after: SHENZHEN JIJIA PHOTOELECTRIC CO.,LTD. Address before: 518000 Guangdong province Shenzhen Guangming yulv Village Sixth Industrial Zone 19 Patentee before: JIJIA OPTOELECTRONIC TECHNOLOGY CO.,LTD. |
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| 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: 20140730 |