CN201757323U - Flicker-free LED MR16 spotlight with dimming function - Google Patents
Flicker-free LED MR16 spotlight with dimming function Download PDFInfo
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- CN201757323U CN201757323U CN2010202147417U CN201020214741U CN201757323U CN 201757323 U CN201757323 U CN 201757323U CN 2010202147417 U CN2010202147417 U CN 2010202147417U CN 201020214741 U CN201020214741 U CN 201020214741U CN 201757323 U CN201757323 U CN 201757323U
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Abstract
The utility model relates to a flicker-free LED MR16 spotlight with dimming function, comprising a power supply module which is disposed in the LED MR16 spotlight body and is capable of receiving controllable silicon dimming mode. The power supply module comprises a first anti-flicker circuit, a rectification circuit, a second anti-flicker circuit, an LED constant current source, an LED light source, a dimming signal output circuit, and a dimming signal detection circuit. The input dimming voltage achieves non-flicker effect through the treatment of the first anti-flicker circuit, the rectification circuit and the second anti-flicker circuit. The dimming voltage detected by the dimming signal detection circuit is sent for the treatment of the dimming signal output circuit, and the dimming control signal is output to the LED constant-current source which controls the LED light source, thereby the dimming effect is realized. The utility model has a great application prospect in the LED lighting under the controllable silicon dimming mode.
Description
Affiliated technical field
The utility model relates to LED MR16 shot-light, more specifically, does not particularly glimmer and has the LEDMR16 shot-light of dimming function.
Background technology
In traditional illumination, halogen MR16 shot-light tool colour temperature is good, low-voltage (12VAC) is powered and because of it has good thermal resistance, be inductive load, make its dimming effect very perfect, so it has obtained long-term applying in lighting field.But, has LED illumination having begun the to replace traditional lighting of characteristics such as long, energy-conservation, no ultraviolet radiation of life-span along with science and technology development.Halogen MR16 shot-light has begun to be replaced by the less LED MR16 of power consumption greatly because of its power consumption.But because of LED is a semiconductor devices, be again that constant current drives, be capacitive load, thermal resistance is very little, thereby LED MR16 on the market can not realize light modulation as traditional halogen MR16 shot-light; For compatibility traditional drive merit MR16 corollary equipment one electronic transformer, no matter be halogen MR16 shot-light or LED MR16 shot-light, all use the electronic transformer driving of 20W～50W.Yet LEDMR16 is because of power very little (being generally less than 7W), and traditional halogen MR16 shot-light is between 20W～50W, and that is afraid of that LED MR16 does not have dimming function, because of its power too small, when it connects electronic transformer, stroboscopic can appear, let alone dimming effect.Do you how to overcome the problems referred to above? to be to apply the problem that LED MR16 will solve.
Summary of the invention
The purpose of this utility model is to provide the LED MR16 shot-light that does not glimmer and have dimming function, and this shot-light can be on the basis of traditional lighting corollary equipment, and realization can perfect light modulation or the effect of not glimmering.
In order to achieve the above object, the technical solution of the utility model is:
The described LED MR16 shot-light that does not glimmer and have dimming function, it comprises: be placed on the power module that can receive controllable silicon light modulation mode in the LED MR16 lamp body;
The described power module that can receive controllable silicon light modulation mode comprises anti-flicker circuit 1, rectification circuit 2, anti-flicker circuit 23, LED constant-current source 4, led light source 5, dim signal output circuit 6, dim signal testing circuit 7;
Its annexation: the light modulation alternating current enters rectification circuit 2 after anti-flicker circuit 1 is handled, rectification divides three the tunnel after anti-flicker circuit 23 is handled the back, one the tunnel send dim signal testing circuit 7, two-way is given LED constant-current source 4 and 6 power supplies of dim signal output circuit respectively in addition, LED constant-current source 4 direct driving LED light sources 5, the signal that dim signal testing circuit 7 obtains send dim signal output circuit 6, send dimming control signal to give LED constant-current source 4 after the processing, and LED constant-current source 4 directly drives led light source 5;
Concrete control step is:
The power supply of band light modulation information is after anti-flicker circuit 1 is done anti-sudden strain of a muscle processing, send rectification circuit 2, doing anti-sudden strain of a muscle of secondary through anti-flicker circuit 23 again after the rectification handles, the voltage that obtains after the processing is given LED constant-current source 4 and 6 power supplies of dim signal output circuit respectively, another route dim signal testing circuit 7 detects the dimmer voltage of 0～3V, send dim signal output circuit 6, dim signal output circuit 6 is according to the dimmer voltage of 0～3V, the output PWM dimming control signal of corresponding dutycycle is with it delivered to LED constant-current source 4, LED constant-current source 4 driving LED light sources 5.
Described anti-flicker circuit 1 comprises resistance R 1, and the span of resistance R 1 is 0.1～10 ohm, and resistance R 1 can replace with inductance, and the span of inductance is 0.1～22uH.
Described anti-flicker circuit 22 comprises resistance R 2, and the span of resistance R 2 is 0.1～10 ohm, and resistance R 2 can replace with inductance, and the span of inductance is 0.1～22uH.
Described LED constant-current source 4, it comprises chip MAX16820, resistance R 3, capacitor C 1, C2, inductance L 1, metal-oxide-semiconductor Q1, diode D5.
Described dim signal testing circuit 7 comprises resistance R 4～R5, capacitor C 3, and they detect the dim signal that obtains 0～3V.
Described dim signal output circuit 6 comprises resistance R 6～R10, capacitor C 4, IC1LM7805, amplifier IC2～IC3, diode D6;
Amplifier IC3 and resistance R 6～R9, capacitor C 4, diode D6 connect to form triangle wave generating circuit, the triangular wave that triangle wave generating circuit produces is connected to inverting input 6 pin of the amplifier IC2 of the device of making comparisons from the 2nd pin output of amplifier IC3, the dimmer voltage of 0～3V is connected to in-phase input end 5 pin of amplifier IC2, and and the triangular wave that produces of triangle wave generating circuit relatively, relatively the PWM dim signal of output pin the 7th pin output of back amplifier IC2 is delivered on the LED constant-current source 4.
The effect of invention
1, solved the light modulation of LED MR16 shot-light on traditional light modulation circuit.
2, the brightness adjustment control good linearity is not glimmered.
3, circuit and existing circuit compatibility are installed.
Description of drawings
Fig. 1 is the utility model schematic block circuit diagram.
Fig. 2 is that the utility model does not glimmer and has the LED MR16 shot-light built-in circuit schematic diagram of dimming function
Fig. 3 is the wiring diagram of Dimmable LED MR16 Lamp cup
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further specified.
As shown in Figure 1, be the utility model schematic block circuit diagram, not glimmer and have the LED MR16 shot-light of dimming function, it comprises: be placed on the power module that can receive controllable silicon light modulation mode in the LED MR16 lamp body;
The described power module that can receive controllable silicon light modulation mode comprises anti-flicker circuit 1, rectification circuit 2, anti-flicker circuit 23, LED constant-current source 4, led light source 5, dim signal output circuit 6, dim signal testing circuit 7;
Its annexation: the light modulation alternating current enters rectification circuit 2 after anti-flicker circuit 1 is handled, rectification divides three the tunnel after anti-flicker circuit 23 is handled the back, one the tunnel send dim signal testing circuit 7, two-way is given LED constant-current source 4 and 6 power supplies of dim signal output circuit respectively in addition, LED constant-current source 4 direct driving LED light sources 5, the signal that dim signal testing circuit 7 obtains send dim signal output circuit 6, send dimming control signal to give LED constant-current source 4 after the processing, and LED constant-current source 4 directly drives led light source 5;
Concrete control step is:
The power supply of band light modulation information is after anti-flicker circuit 1 is done anti-sudden strain of a muscle processing, send rectification circuit 2, doing anti-sudden strain of a muscle of secondary through anti-flicker circuit 23 again after the rectification handles, the voltage that obtains after the processing is given LED constant-current source 4 and 6 power supplies of dim signal output circuit respectively, another route dim signal testing circuit 7 detects the dimmer voltage of 0～3V, send dim signal output circuit 6, dim signal output circuit 6 is according to the dimmer voltage of 0～3V, the output PWM dimming control signal of corresponding dutycycle is with it delivered to LED constant-current source 4, LED constant-current source 4 driving LED light sources 5.
Fig. 2 is that the utility model does not glimmer and has the LED MR16 shot-light built-in circuit schematic diagram of dimming function.
As shown in the figure, be placed on the power supply that can accept dim signal in the LED MR16 lamp body, it comprises: anti-flicker circuit 1, rectification circuit 2, anti-flicker circuit 23, LED constant-current source 4, led light source 5, dim signal output circuit 6, dim signal testing circuit 7.
The circuit working principle, among the figure, dimmer voltage enters from ACL, ACN, prevents the flicker processing through anti-flicker circuit 1.Described anti-flicker circuit 1 comprises resistance R 1, and the span of resistance R 1 is 0.1～10 ohm, and resistance R 1 can replace with inductance, and the span of inductance is 0.1～22uH.After once anti-flicker was handled, the rectification circuit of forming via diode D1～D4 carried out rectification, carried out the anti-flicker of secondary through anti-flicker circuit 22 again after the rectification and handled.Described anti-flicker circuit 22 comprises resistance R 2, and the span of resistance R 2 is 0.1～10 ohm, and resistance R 2 can replace with inductance, and the span of inductance is 0.1～22uH.After twice anti-flicker processing, Fen Sanlu, the one tunnel send dim signal testing circuit 7, and described dim signal testing circuit 7 comprises resistance R 4～R5, capacitor C 3, and their detect the dim signal that obtains 0～3V; Dim signal output circuit 6 is sent on another road, and described dim signal output circuit 6 comprises resistance R 6～R10, capacitor C 4, IC1LM7805, amplifier IC2～IC3, diode D6.Wherein, IC1LM7805 provides stable 5V power supply for this element, amplifier IC3 and resistance R 6～R9, capacitor C 4, diode D6 connects to form triangle wave generating circuit, the triangular wave that triangle wave generating circuit produces is connected to inverting input 6 pin of the amplifier IC2 of the device of making comparisons from the 2nd pin output of amplifier IC3, the dimmer voltage of 0～3V of dim signal testing circuit 7 outputs is connected to in-phase input end 5 pin of amplifier IC2, and and the triangular wave that produces of triangle wave generating circuit relatively, relatively the PWM dim signal of output pin the 7th pin output of back amplifier IC2 is delivered on the LED constant-current source 4; One the tunnel give the LED constant-current source 4 power supplies again, described LED constant-current source 4, it comprises chip MAX16820, resistance R 3, capacitor C 1, C2, inductance L 1, metal-oxide-semiconductor Q1, diode D5.4 outputs of LED constant-current source connect led light source 5.
Fig. 3 is the wiring diagram of Dimmable LED MR16 Lamp cup.
Electric main 8, through controllable silicon dimmer 9, to MR16 transformer 10, output connects LED MR16 Lamp cup 11.
The LED MR16 shot-light that does not glimmer and have a dimming function is described, the utility model provides the LED MR16 shot-light control circuit that does not glimmer and have dimming function, on satisfying traditional MR16 shot-light circuit, replace in the requirement, when having the high linearity light modulation in the time that light modulation can being implemented in or not using dimming function, has the effect of not glimmering.
Though the utility model is described with reference to the above embodiments; but those of ordinary skill in the art; the above embodiment that recognizes that should be understood that only is the excellent example of explanation of the present utility model; should understand and wherein can do each and change and revise and do not break away from the utility model in a broad sense; so be not as qualification of the present utility model; as long as in connotation scope of the present utility model, to the variation distortion of above-described enforcement or revise the protection domain that all will fall into the utility model claim.
Claims (7)
1. do not glimmer and have the LED MR16 shot-light of dimming function, it is characterized in that: its built-in power module that can receive controllable silicon light modulation mode.
2. the LED MR16 shot-light that does not glimmer and have dimming function according to claim 1, it is characterized in that: the described power module that receives controllable silicon light modulation mode comprises anti-flicker circuit one (1), rectification circuit (2), anti-flicker circuit two (3), LED constant-current source (4), led light source (5), dim signal output circuit (6), dim signal testing circuit (7);
Its annexation: the light modulation alternating current enters rectification circuit (2) after anti-flicker circuit one (1) is handled, rectification divides three the tunnel after anti-flicker circuit two (3) is handled the back, one the tunnel send dim signal testing circuit (7), two-way is given the power supply of LED constant-current source (4) and dim signal output circuit (6) respectively in addition, LED constant-current source (4) is driving light source LED (5) directly, the signal that dim signal testing circuit (7) obtains send dim signal output circuit (6), send dimming control signal to give LED constant-current source (4) after the processing, LED constant-current source (4) directly drives led light source (5).
3. the LED MR16 shot-light that does not glimmer and have dimming function according to claim 2, it is characterized in that: described anti-flicker circuit one (1) comprises resistance R 1, the span of resistance R 1 is 0.1～10 to beat up nurse, and resistance R 1 can replace with inductance, and the span of inductance is 0.1～22uH.
4. the LED MR16 shot-light that does not glimmer and have dimming function according to claim 2, it is characterized in that: described anti-flicker circuit two (2) comprises resistance R 2, the span of resistance R 2 is 0.1～10 to beat up nurse, and resistance R 2 can replace with inductance, and the span of inductance is 0.1～22uH.
5. the LED MR16 shot-light that does not glimmer and have dimming function according to claim 2 is characterized in that: described LED constant-current source (4), it comprises chip MAX16820, resistance R 3, capacitor C 1, C2, inductance L 1, metal-oxide-semiconductor Q1, diode D5.
6. the LED MR16 shot-light that does not glimmer and have dimming function according to claim 2 is characterized in that: described dim signal testing circuit (7), comprise resistance R 4～R5, capacitor C 3, and they detect the dim signal that obtains 0～3V.
7. the LED MR16 shot-light that does not glimmer and have dimming function according to claim 2 is characterized in that: described dim signal output circuit (6) comprises resistance R 6～R10, capacitor C 4, IC1LM7805, amplifier IC2～IC3, diode D6;
Amplifier IC3 and resistance R 6～R9, capacitor C 4, diode D6 connect to form triangle wave generating circuit, the triangular wave that triangle wave generating circuit produces is connected to inverting input 6 pin of the amplifier IC2 of the device of making comparisons from the 2nd pin output of amplifier IC3, the dimmer voltage of 0～3V is connected to in-phase input end 5 pin of amplifier IC2, and and the triangular wave that produces of triangle wave generating circuit relatively, relatively the PWM dim signal of output pin the 7th pin output of back amplifier IC2 is delivered on the LED constant-current source (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202147417U CN201757323U (en) | 2010-06-03 | 2010-06-03 | Flicker-free LED MR16 spotlight with dimming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202147417U CN201757323U (en) | 2010-06-03 | 2010-06-03 | Flicker-free LED MR16 spotlight with dimming function |
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| CN201757323U true CN201757323U (en) | 2011-03-09 |
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| CN2010202147417U Expired - Fee Related CN201757323U (en) | 2010-06-03 | 2010-06-03 | Flicker-free LED MR16 spotlight with dimming function |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852374A (en) * | 2010-06-03 | 2010-10-06 | 深圳市亮百佳电子科技有限公司 | Unflickering LED MR16 spot light with light regulating function |
| CN102281683A (en) * | 2011-07-28 | 2011-12-14 | 林万炯 | LED anti-flash circuit |
| CN102612229A (en) * | 2012-03-13 | 2012-07-25 | 辉芒微电子（深圳）有限公司 | LED (light emitting diode) light adjusting device and LED light adjusting driving circuit |
| CN102769982A (en) * | 2012-07-18 | 2012-11-07 | 东莞市领冠半导体照明有限公司 | MR16 power supply adapted to all halogen lamp transformers |
| WO2015131389A1 (en) * | 2014-03-07 | 2015-09-11 | 深圳市众明半导体照明有限公司 | Mr16 type led spotlight and dimming power source thereof |
-
2010
- 2010-06-03 CN CN2010202147417U patent/CN201757323U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852374A (en) * | 2010-06-03 | 2010-10-06 | 深圳市亮百佳电子科技有限公司 | Unflickering LED MR16 spot light with light regulating function |
| CN101852374B (en) * | 2010-06-03 | 2015-01-28 | 深圳市亮百佳电子科技有限公司 | Unflickering LED MR16 spot light with light regulating function |
| CN102281683A (en) * | 2011-07-28 | 2011-12-14 | 林万炯 | LED anti-flash circuit |
| CN102281683B (en) * | 2011-07-28 | 2014-03-12 | 林万炯 | LED anti-flash circuit |
| CN102612229A (en) * | 2012-03-13 | 2012-07-25 | 辉芒微电子（深圳）有限公司 | LED (light emitting diode) light adjusting device and LED light adjusting driving circuit |
| CN102612229B (en) * | 2012-03-13 | 2014-10-22 | 辉芒微电子（深圳）有限公司 | LED (light emitting diode) light adjusting device and LED light adjusting driving circuit |
| CN102769982A (en) * | 2012-07-18 | 2012-11-07 | 东莞市领冠半导体照明有限公司 | MR16 power supply adapted to all halogen lamp transformers |
| WO2015131389A1 (en) * | 2014-03-07 | 2015-09-11 | 深圳市众明半导体照明有限公司 | Mr16 type led spotlight and dimming power source thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice | ||
| DD01 | Delivery of document by public notice |
Addressee: Luxbetter (Shenzhen) Electronic Technology Co., Ltd. Document name: Notification of Termination of Patent Right |
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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: 20110309 Termination date: 20160603 |