CN103672520B - A kind of LED sense light - Google Patents
A kind of LED sense light Download PDFInfo
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- CN103672520B CN103672520B CN201310703880.4A CN201310703880A CN103672520B CN 103672520 B CN103672520 B CN 103672520B CN 201310703880 A CN201310703880 A CN 201310703880A CN 103672520 B CN103672520 B CN 103672520B
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Abstract
The invention provides a kind of LED sense light, comprise sense light body and be arranged on sense light intrinsic LED driver circuit plate, it is characterized in that: described sense light body comprise lamp holder, truncated cone-shaped radiator, be installed in heat sink cavity for the Connection Block be connected with lamp holder, the bottom surface LED lamp panel being installed on radiator, lampshade and the induction installation that is installed in lampshade; The outer surface of described radiator is distributed with fin-shaped groups of fins, described fin-shaped groups of fins comprise many from radiator end face extend to radiator bottom surface complete fin-shaped fin and extend from radiator bottom surface and length the first fin-shaped fin of being less than complete fin-shaped fin to the second fin-shaped fin pair, described Connection Block trim side is extended with raised line, described raised line bottom surface is provided with two card articles, and both sides, described raised line front end are provided with lug; Connection Block trim and radiator can fasten mutually; Compared with prior art the present invention adopts the design of Connection Block trim and the mutual snapping of radiator, facilitate the assembly and disassembly of lamp body, substantially increase the efficiency of production, and the structural design of sense light is more tight.
Description
Technical field
The present invention relates to a kind of LED, be specifically related to a kind of LED sense light responded to human body and also automatically open.
Background technology
LED sense light is a kind of infrared LED sense light based on human body sensing, there is diversified sense light on the market, the design of the LED lamp of ball alveolitoid mostly is smooth surface or the replacement of lamp body mid portion truncated cone-shaped radiator mostly on the market, and assembledly more adopt thread groove rotation and amalgamation or be screwed, this makes LED assembly and disassembly process in process of production comparatively complicated, production efficiency is not high, and it is comparatively complicated for the design of drive circuit, mostly be by Direct driver LED after rectifier transformer or adopt transformer secondary output feedback circuit to drive, the power consumption of circuit is very large, it not very environmental protection.
Summary of the invention
The object of the invention is to solve assembly and disassembly in prior art complicated, production efficiency is not high, complex circuit designs, the problem that circuit power consumption is large, there is provided a kind of simplify assembly and disassembly thus enhance productivity and dispel the heat good, effectively can reduce the LED sense light of power consumption.
A kind of LED sense light, comprise sense light body and be arranged on sense light intrinsic LED driver circuit plate, described sense light body comprises the radiator of lamp holder, truncated cone-shaped, it is characterized in that: also comprise be installed in heat sink cavity for the Connection Block be connected with lamp holder, the bottom surface LED lamp panel being installed on radiator, lampshade and the induction installation that is installed in lampshade; The outer surface of described radiator is distributed with fin-shaped groups of fins, described fin-shaped groups of fins comprise many from radiator end face extend to radiator bottom surface complete fin-shaped fin and extend from radiator bottom surface and length the first fin-shaped fin of being less than complete fin-shaped fin to the second fin-shaped fin pair, described second fin-shaped fin to be arranged at the first fin-shaped fin between; Described second fin-shaped fin is provided with the draw-in groove portion of draw-in groove on the downside of highly right lower than the first fin-shaped fin main part and front end to comprising; Connection Block trim is installed between described Connection Block and lamp holder; Described Connection Block trim side is extended with raised line, and described raised line bottom surface is provided with two card articles, and both sides, described raised line front end are provided with lug; When Connection Block trim and fastener of radiator, two card articles are arranged at respectively on corresponding main part and the leading section of two card articles are engaged with the draw-in groove in draw-in groove portion, and described lug is sticked between the first fin-shaped fin and the second fin-shaped fin.
Described LED lamp panel is screwed in the bottom surface of radiator, and the side of described radiator bottom surface is along being provided with groove and a cannelure, and the inner side edge of described lampshade is along being provided with and the boss of the groove match of radiator bottom surface and the fastener that matches with cannelure.
Described induction installation comprises inductive probe, for placing the inductive probe support of inductive probe, Fresnel Lenses and the lens carrier for placing Fresnel Lenses, the bottom surface of described lens carrier is arranged on the central through hole place of radiator bottom surface, the side at the side on lens carrier chassis and the central through hole place of radiator bottom surface is bonded to each other, the support body of lens carrier is through LED lamp panel, and the side of the support body of lens carrier is provided with a through hole, for responding to the shading value of light, the top of lens carrier is provided with inductive probe support, inductive probe support is provided with inductive probe, Fresnel Lenses is installed in the outside of inductive probe support, Fresnel Lenses is protruded from outside lampshade by lampshade central shaft through hole upwards.
The inwall of described Connection Block is provided with two slots, and described LED driver circuit plate is fixed in Connection Block by the slot on Connection Block inwall, and the LED driver circuit plate of remainder is installed on lens carrier inner chamber; The leading section of described Connection Block is provided with for mating with lamp holder the screw thread be connected, and the outer wall of Connection Block is provided with the boss for fixedly mounting Connection Block trim.
Described LED driver circuit plate connect comprise LED drive control module, for transmit induced signal induction module and for providing the power module of voltage regulation of power supply to induction module, described LED drive control module is connected with power module of voltage regulation, for providing input voltage to power module of voltage regulation.
Described LED drive control module is for comprising regulator rectifier circuit, driving chip and transformer, AC power connects the positive polarity of primary winding Np behind one end that regulator rectifier circuit connects the parallel circuit of the first resistance and the first electric capacity, and the voltage negative pole of armature winding Np is connected with the other end of the parallel circuit of the first resistance and the first electric capacity after the second resistance through the first diode D1;
LED is inputted after the positive polarity of the secondary windings Ns of described transformer connects the second diode D2, the positive polarity of secondary windings Ns inputs LED again after the series circuit of the second resistance and the second electric capacity, and the 3rd electric capacity in parallel and the 3rd resistance between one end of input LED and the voltage negative pole of secondary windings;
The positive polarity of the auxiliary winding Naux of described transformer is connected into the working power end of driving chip after the 3rd diode D3 and the 4th resistance, the voltage minus earth of auxiliary winding Naux, the induced signal input of driving chip is connected with the output of induction module, the positive polarity of the auxiliary winding Naux of transformer is connected after the feedback end of driving chip connects the 5th resistance, the metal-oxide-semiconductor drive output of driving chip is connected into the gate pole of MOS after the 6th resistance, the current sample end of driving chip is connected into the source electrode of metal-oxide-semiconductor, and through the 7th resistance eutral grounding, the drain electrode of metal-oxide-semiconductor is connected into the positive polarity of the armature winding Np of transformer, the power ground end ground connection of driving chip.
When the input of external communication voltage the armature winding Np of input transformer and power end of driving chip after rectifying and voltage-stabilizing, voltage is defeated by LED by secondary windings Ns after transformer transformation, the feedback end of driving chip is connected with the armature winding of transformer, by detecting the current sample of armature winding, drive power module of voltage regulation, form the constant-current driving LED illumination of former limit, there are good line regulation and load regulation, and there is the advantages such as low cost, high efficiency and good electromagnetism interference performance.
Described power module of voltage regulation comprises voltage stabilizing chip, in LED drive control module, the positive polarity of the auxiliary winding Naux of transformer is also connected into the input of voltage stabilizing chip through the 4th diode D4, the output of voltage stabilizing chip is connected with induction module, connect the parallel circuit of the 3rd electric capacity and the 4th electric capacity between the input of voltage stabilizing chip and earth terminal, between the output and ground of voltage stabilizing chip, connect the parallel circuit of the 5th electric capacity and the 6th electric capacity.
Power module of voltage regulation is mainly the operating voltage that induction module provides constant, by inputting after the filtering of the parallel circuit of the 3rd electric capacity and the 4th electric capacity, then induction module is exported in the filtering again of parallel circuit through the 5th electric capacity and the 6th electric capacity after the voltage stabilizing of voltage stabilizing chip.
Described induction module comprises induction chip BISS0001, the power end of induction chip exports with voltage stabilizing chip in power module of voltage regulation and is connected, 9 pin of induction chip are connected rear ground connection with light sensor, and 9 pin of induction chip are also connected with power end through the 8th resistance, the high level input of induction chip connects the S pin of infrared sensor, 10 pin of induction chip connect the 9th resistance eutral grounding, 7th electric capacity in parallel and the tenth resistance between 12 pin of induction chip and 13 pin of induction chip, 8th electric capacity in parallel and the 11 resistance between 15 pin of induction chip and 16 pin of induction chip, series connection the 9th electric capacity and the 12 resistance between 16 pin of induction chip and 13 pin of induction chip, be connected with power end after 1 pin of induction chip connects the 13 resistance, connect between 3 pin of induction chip and 4 pin of induction chip after the 14 resistance through the tenth capacity earth, connect between 5 pin of induction chip and 6 pin of induction chip after the 15 resistance through the 11 capacity earth, 8 pin of induction chip connect power end, 2 pin of induction chip are connected into the base stage of triode after the 16 resistance, colelctor electrode road after the 5th diode of triode connects the induced signal input of driving chip in LED drive control module, another Lu Jing 17 resistance connects the emitter stage of triode and ground connection, the D pin of infrared sensor and the power end of chip connect, and the G pin of infrared sensor is connected with chip ground end.
The present invention compared with prior art has the following advantages:
1, sense light lamp body of the present invention adopts the design of Connection Block trim and the mutual snapping of radiator, facilitate the assembly and disassembly of lamp body, substantially increase the efficiency of production, and the structural design of sense light is more tight;
2, the present invention adopts fin-shaped fin greatly to strengthen heat sinking function;
3, the present invention adopts the constant-current driving LED illumination of former limit, simplifies circuit, decreases the device of drive circuit, have good line regulation and load regulation, effectively reduce quiescent dissipation, improve the reliability of power supply;
4, the present invention adopts Fresnel Lenses, makes induction sensitiveer.
Accompanying drawing explanation
Fig. 1 is explosive view of the present invention;
Fig. 2 is the schematic diagram of sense light body of the present invention;
Fig. 3 is the schematic diagram of radiator of the present invention;
Fig. 4 is the schematic diagram of Connection Block trim of the present invention;
Fig. 5 is the schematic diagram of Connection Block of the present invention;
Fig. 6 is the circuit diagram of LED driver circuit plate of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As depicted in figs. 1 and 2, a kind of LED sense light comprises sense light body 1 and is arranged on the LED driver circuit plate 2 in sense light body 1, sense light body 1 comprise lamp holder 3, truncated cone-shaped radiator 4, be installed in radiator 4 cavity for the Connection Block 5 be connected with lamp holder 3, the bottom surface LED lamp panel 6 being installed on radiator 4, lampshade 7 and the induction installation 8 that is installed in lampshade 7.
As shown in Figure 3, the outer surface of radiator 4 is distributed with fin-shaped groups of fins 41, described fin-shaped groups of fins 41 comprise many from radiator 4 end face extend to radiator 4 bottom surface complete fin-shaped fin 42 and extend from radiator 4 bottom surface and length the first fin-shaped fin of being less than complete fin-shaped fin 42 to 43 and second fin-shaped fin to 44, described second fin-shaped fin is arranged at the first fin-shaped fin between 43 to 44; Described second fin-shaped fin to 44 comprise height lower than the first fin-shaped fin to 43 main part 45 and front end on the downside of be provided with the draw-in groove portion 46 of draw-in groove.
As shown in Figure 4, between Connection Block 5 and lamp holder 3, Connection Block trim 9 is installed; Described Connection Block trim 9 side is extended with raised line 91, and described raised line 91 bottom surface is provided with two card articles 92, and both sides, described raised line 91 front end are provided with lug 93; When Connection Block trim 9 fastens with radiator 4, two card articles 92 are arranged at respectively on corresponding main part 45 and the leading section of two card articles 92 are engaged with the draw-in groove in draw-in groove portion 46, and described lug 93 is sticked between the first fin-shaped fin and the second fin-shaped fin.
LED lamp panel 6 is fixed on the bottom surface of radiator 4 by screw 10, the side of described radiator 4 bottom surface is along being provided with groove 47 and a cannelure 48, and the inner side edge of described lampshade 7 is along being provided with the boss matched with the groove 47 of radiator 4 bottom surface and the fastener matched with cannelure 48.
Induction installation 8 comprises inductive probe 11, for placing the inductive probe support 12 of inductive probe, Fresnel Lenses 13 and the lens carrier 14 for placing Fresnel Lenses, the bottom of described lens carrier 14 is arranged on central through hole 49 place of radiator 4 bottom surface, the side at central through hole 49 place of the side bottom lens carrier 14 and radiator 4 bottom surface is bonded to each other, the support body of lens carrier 14 is through LED lamp panel 6, and the side of the support body of lens carrier 14 is provided with a through hole, for responding to the shading value of light, the top of lens carrier 14 is provided with inductive probe support 12, inductive probe support 12 is provided with inductive probe 11, Fresnel Lenses 13 is installed in the outside of inductive probe support 12, Fresnel Lenses 13 is protruded from outside lampshade by lampshade 7 central shaft through hole upwards.
As shown in Figure 5, the inwall of Connection Block 5 is provided with two slots 51, and described LED driver circuit plate 2 is fixed in Connection Block 5 by the slot 51 on Connection Block 5 inwall, and the LED driver circuit plate 2 of remainder is installed on lens carrier 14 inner chamber; The leading section of described Connection Block 5 is provided with for mating with lamp holder 3 screw thread be connected, and the outer wall of Connection Block 5 is provided with the boss 52 for fixedly mounting Connection Block trim.
As shown in Figure 6, LED driver circuit plate 2 connect comprise LED drive control module 21, for transmit induced signal induction module 22 and for providing the power module of voltage regulation 23 of power supply to induction module, described LED drive control module 21 is connected with power module of voltage regulation 23, provides input voltage for giving power module of voltage regulation 23.
LED drive control module is for comprising regulator rectifier circuit, driving chip and transformer, AC power connects the positive polarity of primary winding Np behind one end that regulator rectifier circuit connects the parallel circuit of the first resistance and the first electric capacity, and the voltage negative pole of armature winding Np is connected with the other end of the parallel circuit of the first resistance and the first electric capacity after the second resistance through the first diode D1;
LED is inputted after the positive polarity of the secondary windings Ns of transformer connects the second diode D2, the positive polarity of secondary windings Ns inputs LED again after the series circuit of the second resistance and the second electric capacity, and the 3rd electric capacity in parallel and the 3rd resistance between one end of input LED and the voltage negative pole of secondary windings;
The positive polarity of the auxiliary winding Naux of transformer is connected into the working power end of driving chip after the 3rd diode D3 and the 4th resistance, the voltage minus earth of auxiliary winding Naux, the induced signal input of driving chip is connected with the output of induction module, the positive polarity of the auxiliary winding Naux of transformer is connected after the feedback end of driving chip connects the 5th resistance, the metal-oxide-semiconductor drive output of driving chip is connected into the gate pole of MOS after the 6th resistance, the current sample end of driving chip is connected into the source electrode of metal-oxide-semiconductor, and through the 7th resistance eutral grounding, the drain electrode of metal-oxide-semiconductor is connected into the positive polarity of the armature winding Np of transformer, the power ground end ground connection of driving chip.
When the input of external communication voltage the armature winding Np of input transformer and power end of driving chip after rectifying and voltage-stabilizing, voltage is defeated by LED by secondary windings Ns after transformer transformation, the feedback end of driving chip is connected with the armature winding of transformer, by detecting the current sample of armature winding, drive power module of voltage regulation, form the constant-current driving LED illumination of former limit, there are good line regulation and load regulation, and there is the advantages such as low cost, high efficiency and good electromagnetism interference performance.
Power module of voltage regulation comprises voltage stabilizing chip, in LED drive control module, the positive polarity of the auxiliary winding Naux of transformer is also connected into the input of voltage stabilizing chip through the 4th diode D4, the output of voltage stabilizing chip is connected with induction module, connect the parallel circuit of the 3rd electric capacity and the 4th electric capacity between the input of voltage stabilizing chip and earth terminal, between the output and ground of voltage stabilizing chip, connect the parallel circuit of the 5th electric capacity and the 6th electric capacity.
Power module of voltage regulation is mainly the operating voltage that induction module provides constant, by inputting after the filtering of the parallel circuit of the 3rd electric capacity and the 4th electric capacity, then induction module is exported in the filtering again of parallel circuit through the 5th electric capacity and the 6th electric capacity after the voltage stabilizing of voltage stabilizing chip.
Induction module comprises induction chip BISS0001, the power end of induction chip exports with voltage stabilizing chip in power module of voltage regulation and is connected, 9 pin of induction chip are connected rear ground connection with light sensor, and 9 pin of induction chip are also connected with power end through the 8th resistance, the high level input of induction chip connects the S pin of infrared sensor, 10 pin of induction chip connect the 9th resistance eutral grounding, 7th electric capacity in parallel and the tenth resistance between 12 pin of induction chip and 13 pin of induction chip, 8th electric capacity in parallel and the 11 resistance between 15 pin of induction chip and 16 pin of induction chip, series connection the 9th electric capacity and the 12 resistance between 16 pin of induction chip and 13 pin of induction chip, be connected with power end after 1 pin of induction chip connects the 13 resistance, connect between 3 pin of induction chip and 4 pin of induction chip after the 14 resistance through the tenth capacity earth, connect between 5 pin of induction chip and 6 pin of induction chip after the 15 resistance through the 11 capacity earth, 8 pin of induction chip connect power end, 2 pin of induction chip are connected into the base stage of triode after the 16 resistance, colelctor electrode road after the 5th diode of triode connects the induced signal input of driving chip in LED drive control module, another Lu Jing 17 resistance connects the emitter stage of triode and ground connection, the D pin of infrared sensor and the power end of chip connect, and the G pin of infrared sensor is connected with chip ground end.
The mode that LED drive circuit plate adopts the constant current of former limit to drive, induction chip is driven normally to work, the signal sensed is changed into the signal of telecommunication through induction chip and passes to driving chip by infrared sensor, the size of the induced electricity flow valuve that driving chip produces according to primary winding Np controls the switch of metal-oxide-semiconductor, thus controls the illumination of driving LED.
In the present embodiment, LED drive circuit plate changes the voltage driven LED illumination that original secondary windings by transformer feeds back, and simplifies circuit design, decreases the device of circuit, greatly reduces power consumption.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Claims (8)
1. a LED sense light, comprise sense light body and be arranged on sense light intrinsic LED driver circuit plate, described sense light body comprises the radiator of lamp holder, truncated cone-shaped, it is characterized in that: also comprise be installed in heat sink cavity for the Connection Block be connected with lamp holder, the bottom surface LED lamp panel being installed on radiator, lampshade and the induction installation that is installed in lampshade; The outer surface of described radiator is distributed with fin-shaped groups of fins, described fin-shaped groups of fins comprise many from radiator end face extend to radiator bottom surface complete fin-shaped fin and extend from radiator bottom surface and length the first fin-shaped fin of being less than complete fin-shaped fin to the second fin-shaped fin pair, described second fin-shaped fin to be arranged at the first fin-shaped fin between; Described second fin-shaped fin is provided with the draw-in groove portion of draw-in groove on the downside of highly right lower than the first fin-shaped fin main part and front end to comprising; Connection Block trim is installed between described Connection Block and lamp holder; Described Connection Block trim side is extended with raised line, and described raised line bottom surface is provided with two card articles, and both sides, described raised line front end are provided with lug; When Connection Block trim and fastener of radiator, two card articles are arranged at respectively on corresponding main part and the leading section of two card articles are engaged with the draw-in groove in draw-in groove portion, and described lug is sticked between the first fin-shaped fin and the second fin-shaped fin.
2. a kind of LED sense light according to claim 1, it is characterized in that: LED lamp panel is screwed in the bottom surface of radiator, the side of described radiator bottom surface is along being provided with groove and a cannelure, and the inner side edge of described lampshade is along being provided with and the boss of the groove match of radiator bottom surface and the fastener that matches with cannelure.
3. a kind of LED sense light according to claim 1, it is characterized in that: described induction installation comprises inductive probe, for placing the inductive probe support of inductive probe, Fresnel Lenses and the lens carrier for placing Fresnel Lenses, the bottom surface of described lens carrier is arranged on the central through hole place of radiator bottom surface, the side at the side on lens carrier chassis and the central through hole place of radiator bottom surface is bonded to each other, the support body of lens carrier is through LED lamp panel, and the side of the support body of lens carrier is provided with a through hole, for responding to the shading value of light, the top of lens carrier is provided with inductive probe support, inductive probe support is provided with inductive probe, Fresnel Lenses is installed in the outside of inductive probe support, Fresnel Lenses is protruded from outside lampshade by lampshade central shaft through hole upwards.
4. a kind of LED sense light according to claim 1, it is characterized in that: the inwall of described Connection Block is provided with two slots, described LED driver circuit plate is fixed in Connection Block by the slot on Connection Block inwall, and the LED driver circuit plate of remainder is installed on lens carrier inner chamber; The leading section of described Connection Block is provided with for mating with lamp holder the screw thread be connected, and the outer wall of Connection Block is provided with the boss for fixedly mounting Connection Block trim.
5. a kind of LED sense light according to claim 1, it is characterized in that: described LED driver circuit plate connect comprise LED drive control module, for transmit induced signal induction module and for providing the power module of voltage regulation of power supply to induction module, described LED drive control module is connected with power module of voltage regulation, for providing input voltage to power module of voltage regulation.
6. a kind of LED sense light according to claim 5, it is characterized in that: described LED drive control module is for comprising regulator rectifier circuit, driving chip and transformer, AC power connects the positive polarity of primary winding Np behind one end that regulator rectifier circuit connects the parallel circuit of the first resistance and the first electric capacity, and the voltage negative pole of armature winding Np is connected with the other end of the parallel circuit of the first resistance and the first electric capacity after the second resistance through the first diode D1;
LED is inputted after the positive polarity of the secondary windings Ns of described transformer connects the second diode D2, the positive polarity of secondary windings Ns inputs LED again after the series circuit of the second resistance and the second electric capacity, and the 3rd electric capacity in parallel and the 3rd resistance between one end of input LED and the voltage negative pole of secondary windings;
The positive polarity of the auxiliary winding Naux of described transformer is connected into the working power end of driving chip after the 3rd diode D3 and the 4th resistance, the voltage minus earth of auxiliary winding Naux, the induced signal input of driving chip is connected with the output of induction module, the positive polarity of the auxiliary winding Naux of transformer is connected after the feedback end of driving chip connects the 5th resistance, the metal-oxide-semiconductor drive output of driving chip is connected into the gate pole of MOS after the 6th resistance, the current sample end of driving chip is connected into the source electrode of metal-oxide-semiconductor, and through the 7th resistance eutral grounding, the drain electrode of metal-oxide-semiconductor is connected into the positive polarity of the armature winding Np of transformer, the power ground end ground connection of driving chip.
7. a kind of LED sense light according to claim 5, it is characterized in that: described power module of voltage regulation comprises voltage stabilizing chip, in LED drive control module, the positive polarity of the auxiliary winding Naux of transformer is also connected into the input of voltage stabilizing chip through the 4th diode D4, the output of voltage stabilizing chip is connected with induction module, connect the parallel circuit of the 3rd electric capacity and the 4th electric capacity between the input of voltage stabilizing chip and earth terminal, between the output and ground of voltage stabilizing chip, connect the parallel circuit of the 5th electric capacity and the 6th electric capacity.
8. a kind of LED sense light according to claim 5, it is characterized in that: described induction module comprises induction chip BISS0001, the power end of induction chip exports with voltage stabilizing chip in power module of voltage regulation and is connected, 9 pin of induction chip are connected rear ground connection with light sensor, and 9 pin of induction chip are also connected with power end through the 8th resistance, the high level input of induction chip connects the S pin of infrared sensor, 10 pin of induction chip connect the 9th resistance eutral grounding, 7th electric capacity in parallel and the tenth resistance between 12 pin of induction chip and 13 pin of induction chip, 8th electric capacity in parallel and the 11 resistance between 15 pin of induction chip and 16 pin of induction chip, series connection the 9th electric capacity and the 12 resistance between 16 pin of induction chip and 13 pin of induction chip, be connected with power end after 1 pin of induction chip connects the 13 resistance, connect between 3 pin of induction chip and 4 pin of induction chip after the 14 resistance through the tenth capacity earth, connect between 5 pin of induction chip and 6 pin of induction chip after the 15 resistance through the 11 capacity earth, 8 pin of induction chip connect power end, 2 pin of induction chip are connected into the base stage of triode after the 16 resistance, colelctor electrode road after the 5th diode of triode connects the induced signal input of driving chip in LED drive control module, another Lu Jing 17 resistance connects the emitter stage of triode and ground connection, the D pin of infrared sensor and the power end of chip connect, and the G pin of infrared sensor is connected with chip ground end.
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| CN201310703880.4A CN103672520B (en) | 2013-12-18 | 2013-12-18 | A kind of LED sense light |
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| CN201310703880.4A CN103672520B (en) | 2013-12-18 | 2013-12-18 | A kind of LED sense light |
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| CN103672520B true CN103672520B (en) | 2016-01-13 |
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| CN104470092B (en) * | 2014-11-24 | 2016-04-13 | 宁波市柯玛士太阳能科技有限公司 | A kind of control circuit of dimming electric torch and non-pole light regulating flashlight |
| CN106168363A (en) * | 2014-12-05 | 2016-11-30 | 苏州汇诚智造工业设计有限公司 | The using method of infrared induction LED |
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| DE102008001230A1 (en) * | 2007-04-26 | 2008-10-30 | Ceramtec Ag | Cooling box for components or circuits |
| EP2270394A1 (en) * | 2009-06-29 | 2011-01-05 | Te-Lung Chen | The ceramic radiator with conductive circuit |
| CN201851984U (en) * | 2010-10-15 | 2011-06-01 | 陈聪辉 | Novel LED (Light-Emitting Diode) lantern |
| CN202791386U (en) * | 2012-01-31 | 2013-03-13 | 东莞市铭皓电子有限公司 | LED bulb provided with inductive switch |
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| DE102008001230A1 (en) * | 2007-04-26 | 2008-10-30 | Ceramtec Ag | Cooling box for components or circuits |
| CN201066095Y (en) * | 2007-04-27 | 2008-05-28 | 吴述强 | LED lantern |
| EP2270394A1 (en) * | 2009-06-29 | 2011-01-05 | Te-Lung Chen | The ceramic radiator with conductive circuit |
| CN201851984U (en) * | 2010-10-15 | 2011-06-01 | 陈聪辉 | Novel LED (Light-Emitting Diode) lantern |
| CN202791386U (en) * | 2012-01-31 | 2013-03-13 | 东莞市铭皓电子有限公司 | LED bulb provided with inductive switch |
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