CN205606415U - Low novel LED down lamp of blue light - Google Patents
Low novel LED down lamp of blue light Download PDFInfo
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- CN205606415U CN205606415U CN201620365327.3U CN201620365327U CN205606415U CN 205606415 U CN205606415 U CN 205606415U CN 201620365327 U CN201620365327 U CN 201620365327U CN 205606415 U CN205606415 U CN 205606415U
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Abstract
The utility model relates to a low novel LED down lamp of blue light, send out optical module (2), lamp body bottom plate (3), aluminum alloy radiating basal plate (4) and lighting control unit (B), its characterized in that including lamp shade (1), LED white light: lamp shade (1) yellow fluorescent powder's lamp shade is had for adulterateing, lighting control unit (B) but constitute by mains supply and rechargeable lithium -ion battery group (6), intelligent control module (5), mains supply divide two way parallel outlet after intelligent control module (5) input interface inserts, wherein two interfaces of the same kind are direct is connected component commercial power lighting circuit with LED illuminator A, but two interfaces on its another way are connected with rechargeable lithium -ion battery group (6), constitute reserve operating circuit.
Description
Technical field
This utility model relates to LED down illuminator, a kind of low blue light Novel LED down lamp.
Background technology
LED light source has the high and low heating of luminous efficiency, power saving and the advantage of life-span length, and therefore the field of its application is more and more extensive.Down lamp is a kind of lighting embedded in indoor ceiling, is deeply favored by users.Owing to the story height of house of residential use is generally individually at about 2.8 3.0 meters; for protecting the eyes harm from White LED light source medium-high frequency blue ray radiation of people; need to reduce LED lamp and launch the intensity of the blue ray radiation in light source, improve the LED of human eye vision comfort level；But all kinds of LED lamp released in the market seldom pay close attention to this problem, the problem that LED down there is also oxygen.
Additionally, in the illumination of at home illumination and public place, there is also a particular need for the most still can be luminous lighting.
Therefore it provides one have blue ray radiation intensity relatively low low, visual comfort is good, and the LED down the most still can persistently lighted, it has also become have the light fixture product of commercioganic demand.
Utility model content
The purpose of the present utility model: aim to provide a kind of not only had reduce blue light harm, simultaneously but also there is the LED down of Emergency use function.
This low blue light Novel LED down lamp, including shell 4, diffuser plate 1, LED light source 5, radiator 7 and power supply module 6, LED light source 5 therein is arranged in the housing cavity being made up of diffuser plate 1, shell 4 and radiator 7, the bottom of radiator 7 arranges power supply module 6, it is characterized in that: described diffuser plate lamp 1 is the light-passing board doped with yellow fluorescent powder, described power supply module 6 is a lighting control unit B being connected with mains supply, and described lighting control unit B is made up of chargeable lithium cell group 10, intelligent control module 9；Described mains supply is point two-way Parallel opertation after intelligent control module 9 input interface accesses, and wherein two interfaces on a road are directly and LED light source 5 connects and composes conventional civil power lighting circuit；Two interfaces on its another road are connected with chargeable lithium cell group 10, constitute standby emergency circuit.
Described intelligent control module 9 includes on and off switch, power driving circuit and ON-OFF control circuit, and described power driving circuit is electrically connected with mains supply by described on and off switch, and power driving circuit electrically connects with described chargeable lithium cell group 10；Described mains supply is powered to described chargeable lithium cell group 10 by described power driving circuit；
Power driving circuit electrically connects with described Down lamp；When mains supply is normal, described mains supply is powered to Down lamp by power driving circuit；
ON-OFF control circuit electrically connects with described chargeable lithium cell group 10, and described chargeable lithium cell group 10 electrically connects with described Down lamp, and ON-OFF control circuit electrically connects with described mains supply also by and off switch；When mains supply breaks down, chargeable lithium cell group 10 is powered to described Down lamp by ON-OFF control circuit.
Described power driving circuit includes transformator T1, bridge rectifier, inducer device L1, PFC control chip AP1661, pwm chip AP3102, transformator T2 and current constant control chip AP4310；One input of wherein said transformator T1 is connected with the positive electrical of mains supply by and off switch, and another input of wherein said transformator T1 is connected with the negative electricity of described mains supply；It is serially connected with filter capacitor between two inputs of described transformator T1；The outfan of described transformator T1 electrically connects with the input of described bridge rectifier；
Wherein an outfan of bridge rectifier is electrically connected with the drain electrode of field effect transistor M1 by inducer device L1, another outfan of described bridge rectifier electrically connects with the source electrode of described field effect transistor M1, and the grid of described field effect transistor M1 electrically connects with the outfan of described PFC control chip AP1661；
Additionally, the drain electrode of field effect transistor M1 also anode with diode D4 electrically connects, the negative electrode of described diode D4 is connected with the positive electrical of electrochemical capacitor C1, and the negative pole of described electrochemical capacitor C1 electrically connects with the source electrode of described field effect transistor M1.
The negative electrode of described diode D4 also one end with polarity free capacitor C2 electrically connects, and one end of polarity free capacitor C2 electrically connects also by an input on the limit former with transformator T2, one end of resistance R1；The other end of polarity free capacitor C2 electrically connects with the negative electrode of diode D5 also by the other end of resistance R1, and the anode of diode D5 electrically connects with another input on the described former limit of transformator T2；
Another input on the described former limit of transformator T2 also electrically connects with the drain electrode of field effect transistor M2, the grid of field effect transistor M2 electrically connects with the outfan of described pwm chip AP3102, the drain electrode of field effect transistor M2 is electrically connected with the source electrode of this field effect transistor M2 by polarity free capacitor C3, and the source electrode of field effect transistor M2 also negative electricity with described electrochemical capacitor C1 is connected；
A described outfan of transformator T2 secondary electrically connects with the anode of diode D6, the negative electrode of diode D6 electrically connects with the input of described current constant control chip AP4310, the outfan of described current constant control chip AP4310 electrically connects with the input of described pwm chip AP3102, and the negative electrode of described diode D6 also forms the cathode output end of described power driving circuit；
The negative electrode of described diode D6 is connected with the positive electrical of electrochemical capacitor C4, and the negative pole of electrochemical capacitor C4 electrically connects with another outfan of described transformator T2 secondary, and another outfan of described transformator T2 secondary forms the cathode output end of described power driving circuit.
Described power driving circuit is connected on civil power, use Boost PFC+Flyback two-stage topologies, control chip uses PFC control chip AP1661, pwm chip AP3102 and secondary current constant control chip AP4310, reach that input and output electric capacity is little, output ripple is little, isolation and amplifier, power factor (PF) are low, current precision controls within 2%, reliability high；By controlling the DC voltage of loop output, when civil power normal power supply, it is powered by a power supply the voltage-controlled LED light source processed of modules A direct output of DC current that circuit is constituted.
Described ON-OFF control circuit includes operational amplifier Ub and field effect transistor U2, and the in-phase input end of described operational amplifier Ub passes sequentially through resistance R11, electric capacity C9 electrically connects with one end of on and off switch, the positive pole of another termination mains supply of described on and off switch；
The inverting input of described operational amplifier Ub electrically connects with one end of resistance R8, the other end of described resistance R8 electrically connects with the negative power end of described operational amplifier Ub, the other end of described resistance R8 connects the negative pole of mains supply, the negative power end ground connection of described operational amplifier Ub also by resistance R10；
The inverting input of described operational amplifier Ub electrically connects with one end of described resistance R9, and the other end of described resistance R9 electrically connects with the outfan of described operational amplifier Ub, and the two ends of described resistance R9 are also connected to polarity free capacitor C8；
The outfan of described operational amplifier Ub electrically connects with one end of resistance R6, the other end of described resistance R6 electrically connects with the grid of described field effect transistor U2, the grid of described field effect transistor U2 is also connected to polarity free capacitor C6 also by resistance R7 ground connection, described resistance R7 two ends；
The source electrode of described field effect transistor U2 is connected with the positive electrical of described Down lamp, and the source electrode of described field effect transistor U2 also cathode output end with described power driving circuit electrically connects, and the positive pole of described Down lamp also cathode output end with described power driving circuit electrically connects；The drain electrode of described field effect transistor U2 is connected with the positive electrical of described chargeable lithium cell group；
The negative pole of described chargeable lithium cell group is connected with the negative electricity of described Down lamp, and the negative pole of described Down lamp also cathode output end with described power driving circuit electrically connects.
Described chargeable lithium cell group 10 includes can the lithium battery of discharge and recharge, blood pressure lowering chip DC-DC, field effect transistor U1, audion Q1, audion Q2, operational amplifier Ua, the described input of blood pressure lowering chip DC-DC electrically connects with the cathode output end of described power driving circuit, and the described outfan of blood pressure lowering chip DC-DC electrically connects with the grid of described field effect transistor U1；
The source electrode of described field effect transistor U1 electrically connects with the outfan of described operational amplifier Ua, and the drain electrode of described field effect transistor U1 electrically connects with the anode of diode D3, and the negative electrode of this diode D3 is connected with the positive electrical of described lithium battery；
The drain electrode of described field effect transistor U1 electrically connects also by the anode of resistance R3 with diode D1, and the negative electrode of described diode D1 electrically connects with the emitter stage of described audion Q2；
The drain electrode of described field effect transistor U1 also one end with adjustable resistance R4 electrically connects, and the other end of described adjustable resistance R4 is electrically connected by the emitter stage of resistance R5 and described audion Q2；
The tap of described adjustable resistance R4 electrically connects with the base stage of audion Q1, and the emitter stage of described audion Q1 is electrically connected by the colelctor electrode of resistance R2 and audion Q2；
The colelctor electrode of described audion Q1 electrically connects with the in-phase input end of described operational amplifier Ua, and the colelctor electrode of described audion Q1 electrically connects also by the emitter stage of polarity free capacitor C5 with audion Q2；
The colelctor electrode of described audion Q2 also negative electricity with described lithium battery is connected, and the base stage of described audion Q2 electrically connects with the inverting input of described operational amplifier Ua；
The in-phase input end of described operational amplifier Ua also anode with diode D2 electrically connects, and the negative electrode of described diode D2 electrically connects with the emitter stage of described audion Q2.
It is coated by phosphor powder layer 4 on the cover body of described lampshade 1.
This low blue light Novel LED down lamp proposed according to above technical scheme, has a following two major features:
1. constitute the outside photic zone of lamp body due to the employing diffuser plate doped with YAG yellow fluorescent powder making printing opacity or the inwall at diffuser plate or outer wall coating YAG yellow fluorescent powder, therefore make outwards to be launched the illumination light containing stronger blue light by white LED chip and become the softest；Can effectively reduce the blue light injury to eye.
2. owing to being additionally arranged the lithium battery power supply power supply controlled by intelligent chip (module) in lighting circuit, accomplish mains supply and the electric power-feeding structure of charge power supply parallel connection, illumination can be realized under civil power normal power supply state, the most also lithium battery can be relied on to provide power supply in the once mains-supplied disappearance moment.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the circuit structure block diagram of this utility model power supply unit；
Fig. 3 is intelligent control module circuit structure diagram.
In figure: 1-diffuser plate 2-YAG yellow fluorescence bisque 3-dead ring 4-shell 5-LED light source 6-power supply module 7-radiator 8-aluminium base 9 intelligent control module 10 chargeable lithium cell group B lighting control unit.
Detailed description of the invention
Further describe this utility model below in conjunction with Figure of description and provide embodiment of the present utility model.
This low blue light Novel LED down lamp as shown in Fig. 13, including shell 4, diffuser plate 1, LED light source 5, radiator 7 and power supply module 6, LED light source 5 therein is arranged in the housing cavity being made up of diffuser plate 1, shell 4 and radiator 7, the bottom of radiator 7 arranges power supply module 6, it is characterized in that: described diffuser plate 1 is the light-passing board doped with yellow fluorescent powder, described power supply module 6 is a lighting control unit B being connected with mains supply, and described lighting control unit B is made up of chargeable lithium cell group 10, intelligent control module 9；Described mains supply is point two-way Parallel opertation after intelligent control module 7 input interface accesses, and wherein two interfaces on a road are directly and LED light source 5 connects and composes conventional civil power lighting circuit；Two interfaces on its another road are connected with chargeable lithium cell group 10, constitute standby emergency circuit.
Described intelligent control module 9 includes on and off switch, power driving circuit and ON-OFF control circuit, and described power driving circuit is electrically connected with mains supply by described on and off switch, and described power driving circuit electrically connects with described chargeable lithium cell group；Described mains supply is powered to described chargeable lithium cell group by described power driving circuit；
Described power driving circuit electrically connects with described Down lamp；When mains supply is normal, described mains supply is powered to Down lamp by power driving circuit；
Described ON-OFF control circuit electrically connects with described chargeable lithium cell group, and described chargeable lithium cell group electrically connects with described Down lamp, and described ON-OFF control circuit electrically connects with described mains supply also by described on and off switch；When mains supply breaks down, chargeable lithium cell group is powered to described Down lamp by ON-OFF control circuit.
Described power driving circuit includes transformator T1, bridge rectifier, inducer device L1, PFC control chip AP1661, pwm chip AP3102, transformator T2 and current constant control chip AP4310, one input of described transformator T1 is connected with the positive electrical of mains supply by and off switch, and another input of described transformator T1 is connected with the negative electricity of described mains supply；It is serially connected with filter capacitor between two inputs of described transformator T1；The outfan of described transformator T1 electrically connects with the input of described bridge rectifier；
One outfan of described bridge rectifier is electrically connected with the drain electrode of field effect transistor M1 by inducer device L1, another outfan of described bridge rectifier electrically connects with the source electrode of described field effect transistor M1, and the grid of described field effect transistor M1 electrically connects with the outfan of described PFC control chip AP1661；
The drain electrode of described field effect transistor M1 also anode with diode D4 electrically connects, and the negative electrode of described diode D4 is connected with the positive electrical of electrochemical capacitor C1, and the negative pole of described electrochemical capacitor C1 electrically connects with the source electrode of described field effect transistor M1.
The negative electrode of described diode D4 also one end with polarity free capacitor C2 electrically connects, and one end of described polarity free capacitor C2 electrically connects also by an input on the limit former with transformator T2, one end of resistance R1；The other end of described polarity free capacitor C2 electrically connects with the negative electrode of diode D5 also by the other end of described resistance R1, and the anode of described diode D5 electrically connects with another input on the described former limit of transformator T2；
Another input on the described former limit of transformator T2 also electrically connects with the drain electrode of field effect transistor M2, the grid of described field effect transistor M2 electrically connects with the outfan of described pwm chip AP3102, the drain electrode of described field effect transistor M2 is electrically connected with the source electrode of this field effect transistor M2 by polarity free capacitor C3, and the source electrode of described field effect transistor M2 also negative electricity with described electrochemical capacitor C1 is connected；
A described outfan of transformator T2 secondary electrically connects with the anode of diode D6, the negative electrode of described diode D6 electrically connects with the input of described current constant control chip AP4310, the outfan of described current constant control chip AP4310 electrically connects with the input of described pwm chip AP3102, and the negative electrode of described diode D6 also forms the cathode output end of described power driving circuit；
The negative electrode of described diode D6 is connected with the positive electrical of electrochemical capacitor C4, the negative pole of described electrochemical capacitor C4 electrically connects with another outfan of described transformator T2 secondary, and another outfan of described transformator T2 secondary forms the cathode output end of described power driving circuit.
It is connected on civil power by modules A (power driving circuit), use Boost PFC+Flyback two-stage topologies, control chip uses PFC control chip AP1661, pwm chip AP3102 and secondary current constant control chip AP4310, reach input and output electric capacity little, output ripple is little, isolation and amplifier, power factor (PF) is low, current precision controls within 2%, reliability is high, by controlling the DC voltage that loop (LED drive power) exports, when civil power normal power supply, by the voltage-controlled LED light source processed of modules A (power driving circuit) direct output of DC current.
Described ON-OFF control circuit includes operational amplifier Ub and field effect transistor U2, and the in-phase input end of described operational amplifier Ub passes sequentially through resistance R11, electric capacity C9 electrically connects with one end of on and off switch, the positive pole of another termination mains supply of described on and off switch；
The inverting input of described operational amplifier Ub electrically connects with one end of resistance R8, the other end of described resistance R8 electrically connects with the negative power end of described operational amplifier Ub, the other end of described resistance R8 connects the negative pole of mains supply also by resistance R10, the negative power end also ground connection of described operational amplifier Ub；
The inverting input of described operational amplifier Ub electrically connects with one end of described resistance R9, and the other end of described resistance R9 electrically connects with the outfan of described operational amplifier Ub, and the two ends of described resistance R9 are also connected to polarity free capacitor C8；
The outfan of described operational amplifier Ub electrically connects with one end of resistance R6, the other end of described resistance R6 electrically connects with the grid of described field effect transistor U2, the grid of described field effect transistor U2 is also connected to polarity free capacitor C6 also by resistance R7 ground connection, described resistance R7 two ends；
The source electrode of described field effect transistor U2 is connected with the positive electrical of described Down lamp, and the source electrode of described field effect transistor U2 also cathode output end with described power driving circuit electrically connects, and the positive pole of described Down lamp also cathode output end with described power driving circuit electrically connects；The drain electrode of described field effect transistor U2 is connected with the positive electrical of described chargeable lithium cell group；
The negative pole of described chargeable lithium cell group is connected with the negative electricity of described Down lamp, and the negative pole of described Down lamp also cathode output end with described power driving circuit electrically connects.
Module C (ON-OFF control circuit), when civil power power-off or external circuits fault, when making LED light source be in off-position, operational amplifier Ub records external civil power or external circuits fault by ON-OFF control circuit；Metal-oxide-semiconductor U2 is then in closure state, makes lithium battery power LED, then LED light source is in illuminating state；Otherwise, when mains-supplied is normal or during external circuits fault-free, operational amplifier Ub makes metal-oxide-semiconductor U2 be in normally open by ON-OFF control circuit, then lithium battery anode voltage can not input LED light source；Meanwhile, during and external circuits fault-free normal at civil power, on and off switch is inoperative to module C (ON-OFF control circuit).
Described chargeable lithium cell group 10 includes can the lithium battery of discharge and recharge, blood pressure lowering chip DC-DC, field effect transistor U1, audion Q1, audion Q2, operational amplifier Ua, the described input of blood pressure lowering chip DC-DC electrically connects with the cathode output end of described power driving circuit, and the described outfan of blood pressure lowering chip DC-DC electrically connects with the grid of described field effect transistor U1；
The source electrode of described field effect transistor U1 electrically connects with the outfan of described operational amplifier Ua, and the drain electrode of described field effect transistor U1 electrically connects with the anode of diode D3, and the negative electrode of this diode D3 is connected with the positive electrical of described lithium battery；
The drain electrode of described field effect transistor U1 electrically connects also by the anode of resistance R3 with diode D1, and the negative electrode of described diode D1 electrically connects with the emitter stage of described audion Q2；
The drain electrode of described field effect transistor U1 also one end with adjustable resistance R4 electrically connects, and the other end of described adjustable resistance R4 is electrically connected by the emitter stage of resistance R5 and described audion Q2；
The tap of described adjustable resistance R4 electrically connects with the base stage of audion Q1, and the emitter stage of described audion Q1 is electrically connected by the colelctor electrode of resistance R2 and audion Q2；
The colelctor electrode of described audion Q1 electrically connects with the in-phase input end of described operational amplifier Ua, and the colelctor electrode of described audion Q1 electrically connects also by the emitter stage of polarity free capacitor C5 with audion Q2；
The colelctor electrode of described audion Q2 also negative electricity with described lithium battery is connected, and the base stage of described audion Q2 electrically connects with the inverting input of described operational amplifier Ua；
The in-phase input end of described operational amplifier Ua also anode with diode D2 electrically connects, and the negative electrode of described diode D2 electrically connects with the emitter stage of described audion Q2.
Parallel module B (chargeable lithium cell group), its modules A output DC voltage electrode turns DC intelligence blood pressure lowering chip by DC, controls charging voltage needed for lithium battery, inputs anode by metal-oxide-semiconductor U1, its modules A negative pole directly enters cathode of lithium battery, forms charge circuit；When operational amplifier Ua records D2 signal deficiency, metal-oxide-semiconductor U1 is in closed communicating state, then modules A cathode voltage is by inputting anode by metal-oxide-semiconductor U1 after DC DC intelligent chip blood pressure lowering；After operational amplifier Ua records D1 signal overloading, then metal-oxide-semiconductor U1 is off, then modules A output voltage then can not pass through DC DC intelligence blood pressure lowering chip output voltage, and can not input anode, thus constitutes automatic charging loop.
The Down lamp of this low blue LED illumination, its operation principle is as follows:
When LED white light source is lighted, its white light light is through the diffuser plate of LED down, and after superrefraction and diffuse-reflectance, the blue light strength in spilling white light is of a relatively high, tends to have dazzle and dazzling phenomenon occurs.And it is mixed with the LED down cover of nanometer yellow YAG phosphor, the blue light combination that blue light components excites the nanometer yellow YAG phosphor being blended in LED down lampshade to produce in gold-tinted and white light in by white light light is converted into white light makes LED down lampshade luminous, make the diffuser plate of surface source luminescence, it is thus possible to effectively reduced by the blue light in white light, improve visual comfort.
nullGenerally LED down is under unexpected disconnection fault，Driving power cut-off then LED down is (as shown in Figure 2) not worked，But LED drive power and one are saved or multiple serial lithium battery (customizing according to Down lamp watt level) combination，And the intelligent chip with signal of telecommunication identification function is set in LED drive power，Form switching circuit，When circuit disconnects suddenly (improper switch) then intelligent chip by inherent signal identification function，Drive circuit is switched on lithium battery loop (as shown in Figure 2)，Then LED light source energising，LED down is instantaneous to be lighted again，When circuit normal power supply，LED intelligent chip identification function maintains former LED drive power normal operating conditions，LED intelligent chip input data will carry out regular discharge and recharge to lithium battery simultaneously，To maintain lithium battery service life.Can also form a handoff functionality with the combination of common nickel-cadmium cell by above-mentioned LED intelligent chip identification function, simply nickel-cadmium cell short need in service life regularly replaces simultaneously.
The basic embodiment that more than only the applicant is given according to basic technical scheme.Any unsubstantiality improvement made according to this basic intention should be regarded as similar with the technical program, belongs to the scope of this utility model protection.
Claims (8)
1. one kind low blue light Novel LED down lamp, including shell (4), diffuser plate (1), LED light source (5), radiator (7) and power supply module (6), LED light source therein (5) is arranged on by diffuser plate (1), in the housing cavity that shell (4) and radiator (7) are constituted, the bottom of radiator (7) arranges power supply module (6), it is characterized in that: described diffuser plate (1) is the light-passing board doped with yellow fluorescent powder, described power supply module (6) is a lighting control unit being connected with mains supply (B), described lighting control unit (B) is by chargeable lithium cell group (10), intelligent control module (9) is constituted；Described mains supply is point two-way Parallel opertation after intelligent control module (9) input interface accesses, and wherein two interfaces on a road are directly and LED light source (5) connects and composes conventional civil power lighting circuit；Two interfaces on its another road are connected with chargeable lithium cell group (10), constitute standby emergency circuit.
A kind of low blue light Novel LED down lamp the most as claimed in claim 1, it is characterized in that: described intelligent control module (9) includes on and off switch, power driving circuit and ON-OFF control circuit, described power driving circuit is electrically connected with mains supply by described on and off switch, and power driving circuit electrically connects with described chargeable lithium cell group (10)；Described mains supply is powered to described chargeable lithium cell group (10) by described power driving circuit；
Power driving circuit electrically connects with described Down lamp；When mains supply is normal, described mains supply is powered to Down lamp by power driving circuit；
ON-OFF control circuit electrically connects with described chargeable lithium cell group (10), and described chargeable lithium cell group (10) electrically connects with described Down lamp, and ON-OFF control circuit electrically connects with described mains supply also by and off switch；When mains supply breaks down, chargeable lithium cell group (10) is powered to described Down lamp by ON-OFF control circuit.
A kind of low blue light Novel LED down lamp the most as claimed in claim 2, it is characterised in that: described power driving circuit includes transformator (T1), bridge rectifier, inducer device (L1), PFC control chip AP1661, pwm chip AP3102, transformator (T2) and current constant control chip AP4310；One input of wherein said transformator (T1) is connected with the positive electrical of mains supply by and off switch, and another input of wherein said transformator (T1) is connected with the negative electricity of described mains supply；It is serially connected with filter capacitor between two inputs of described transformator (T1)；The outfan of described transformator (T1) electrically connects with the input of described bridge rectifier；
Wherein an outfan of bridge rectifier is electrically connected with the drain electrode of field effect transistor (M1) by inducer device (L1), another outfan of described bridge rectifier electrically connects with the source electrode of described field effect transistor (M1), and the grid of described field effect transistor (M1) electrically connects with the outfan of described PFC control chip AP1661；
In addition, the drain electrode of field effect transistor (M1) also anode with diode (D4) electrically connects, the negative electrode of described diode (D4) is connected with the positive electrical of electrochemical capacitor (C1), and the negative pole of described electrochemical capacitor (C1) electrically connects with the source electrode of described field effect transistor (M1).
A kind of low blue light Novel LED down lamp the most as claimed in claim 3, it is characterized in that: the negative electrode of described diode (D4) also one end with polarity free capacitor (C2) electrically connects, and one end of polarity free capacitor (C2) electrically connects with an input on transformator (T2) former limit also by one end of resistance (R1)；The other end of polarity free capacitor (C2) electrically connects with the negative electrode of diode (D5) also by the other end of resistance (R1), and the anode of diode (D5) electrically connects with another input on described transformator (T2) former limit；
The also drain electrode with field effect transistor (M2) of another input on described transformator (T2) former limit electrically connects, the grid of field effect transistor (M2) electrically connects with the outfan of described pwm chip AP3102, the drain electrode of field effect transistor (M2) is electrically connected by the source electrode of polarity free capacitor (C3) with this field effect transistor (M2), and the source electrode of field effect transistor (M2) also negative electricity with described electrochemical capacitor (C1) is connected；
One outfan of described transformator (T2) secondary electrically connects with the anode of diode (D6), the negative electrode of diode (D6) electrically connects with the input of described current constant control chip AP4310, the outfan of described current constant control chip AP4310 electrically connects with the input of described pwm chip AP3102, and the negative electrode of described diode (D6) also forms the cathode output end of described power driving circuit；
The negative electrode of described diode (D6) is connected with the positive electrical of electrochemical capacitor (C4), the negative pole of electrochemical capacitor (C4) electrically connects with another outfan of described transformator (T2) secondary, and another outfan of described transformator (T2) secondary forms the cathode output end of described power driving circuit.
A kind of low blue light Novel LED down lamp the most as claimed in claim 2, it is characterized in that: described power driving circuit is connected on civil power, use Boost PFC+Flyback two-stage topologies, control chip uses PFC control chip AP1661, pwm chip AP3102 and secondary current constant control chip AP4310, reach that input and output electric capacity is little, output ripple is little, isolation and amplifier, power factor (PF) are low, current precision controls within 2%, reliability high；By controlling the DC voltage of loop output, when civil power normal power supply, it is powered by a power supply the voltage-controlled LED light source processed of modules A direct output of DC current that circuit is constituted.
A kind of low blue light Novel LED down lamp the most as claimed in claim 2, it is characterized in that: described ON-OFF control circuit includes operational amplifier (Ub) and field effect transistor (U2), the in-phase input end of described operational amplifier (Ub) passes sequentially through resistance (R11), electric capacity (C9) electrically connects with one end of on and off switch, the positive pole of another termination mains supply of described on and off switch；
The inverting input of described operational amplifier (Ub) electrically connects with one end of resistance (R8), the other end of described resistance (R8) electrically connects with the negative power end of described operational amplifier (Ub), the other end of described resistance (R8) connects the negative pole of mains supply, the negative power end ground connection of described operational amplifier (Ub) also by resistance (R10)；
The inverting input of described operational amplifier (Ub) electrically connects with one end of described resistance (R9), the other end of described resistance (R9) electrically connects with the outfan of described operational amplifier (Ub), and the two ends of described resistance (R9) are also connected to polarity free capacitor (C8)；
The outfan of described operational amplifier (Ub) electrically connects with one end of resistance (R6), the other end of described resistance (R6) electrically connects with the grid of described field effect transistor (U2), the grid of described field effect transistor (U2) is also connected to polarity free capacitor (C6) also by resistance (R7) ground connection, described resistance (R7) two ends；
The source electrode of described field effect transistor (U2) is connected with the positive electrical of described Down lamp, the source electrode of described field effect transistor (U2) also cathode output end with described power driving circuit electrically connects, and the positive pole of described Down lamp also cathode output end with described power driving circuit electrically connects；The drain electrode of described field effect transistor (U2) is connected with the positive electrical of described chargeable lithium cell group；
The negative pole of described chargeable lithium cell group is connected with the negative electricity of described Down lamp, and the negative pole of described Down lamp also cathode output end with described power driving circuit electrically connects.
A kind of low blue light Novel LED down lamp the most as claimed in claim 2, it is characterized in that: described chargeable lithium cell group (10) includes can the lithium battery of discharge and recharge, blood pressure lowering chip (DC-DC), field effect transistor (U1), audion (Q1), audion (Q2), operational amplifier (Ua), the described input of blood pressure lowering chip (DC-DC) electrically connects with the cathode output end of described power driving circuit, and the outfan of described blood pressure lowering chip (DC-DC) electrically connects with the grid of described field effect transistor (U1)；
The source electrode of described field effect transistor (U1) electrically connects with the outfan of described operational amplifier (Ua), the drain electrode of described field effect transistor (U1) electrically connects with the anode of diode (D3), and the negative electrode of this diode (D3) is connected with the positive electrical of described lithium battery；
The drain electrode of described field effect transistor (U1) electrically connects also by the anode of resistance (R3) with diode (D1), and the negative electrode of described diode (D1) electrically connects with the emitter stage of described audion (Q2)；
The drain electrode of described field effect transistor (U1) also one end with adjustable resistance (R4) electrically connects, and the other end of described adjustable resistance (R4) is electrically connected with the emitter stage of described audion (Q2) by resistance (R5)；
The tap of described adjustable resistance (R4) electrically connects with the base stage of audion (Q1), and the emitter stage of described audion (Q1) is electrically connected with the colelctor electrode of audion (Q2) by resistance R2；
The colelctor electrode of described audion (Q1) electrically connects with the in-phase input end of described operational amplifier (Ua), and the colelctor electrode of described audion (Q1) electrically connects also by the emitter stage of polarity free capacitor (C5) with audion (Q2)；
The colelctor electrode of described audion (Q2) also negative electricity with described lithium battery is connected, and the base stage of described audion (Q2) electrically connects with the inverting input of described operational amplifier (Ua)；
The in-phase input end of described operational amplifier (Ua) also anode with diode (D2) electrically connects, and the negative electrode of described diode (D2) electrically connects with the emitter stage of described audion (Q2).
A kind of low blue light Novel LED down lamp the most as claimed in claim 1, it is characterised in that: described diffuser plate (1) internal layer is coated by YAG yellow fluorescence bisque (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620365327.3U CN205606415U (en) | 2016-04-27 | 2016-04-27 | Low novel LED down lamp of blue light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620365327.3U CN205606415U (en) | 2016-04-27 | 2016-04-27 | Low novel LED down lamp of blue light |
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| Publication Number | Publication Date |
|---|---|
| CN205606415U true CN205606415U (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620365327.3U Expired - Fee Related CN205606415U (en) | 2016-04-27 | 2016-04-27 | Low novel LED down lamp of blue light |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205606415U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087755A (en) * | 2017-12-30 | 2018-05-29 | 珠海商照光电科技有限公司 | A kind of high efficiency is without the low dazzle eye-protecting lamp of stroboscopic |
-
2016
- 2016-04-27 CN CN201620365327.3U patent/CN205606415U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087755A (en) * | 2017-12-30 | 2018-05-29 | 珠海商照光电科技有限公司 | A kind of high efficiency is without the low dazzle eye-protecting lamp of stroboscopic |
| CN108087755B (en) * | 2017-12-30 | 2024-03-29 | 珠海商照光电科技有限公司 | High-efficiency stroboflash-free low-glare eye-protection lamp |
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Granted publication date: 20160928 |