CN203748060U - Novel LED driver - Google Patents
Novel LED driver Download PDFInfo
- Publication number
- CN203748060U CN203748060U CN201420041525.5U CN201420041525U CN203748060U CN 203748060 U CN203748060 U CN 203748060U CN 201420041525 U CN201420041525 U CN 201420041525U CN 203748060 U CN203748060 U CN 203748060U
- Authority
- CN
- China
- Prior art keywords
- triode
- resistance
- diode
- emitter
- collector electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a novel LED driver. The driver is characterized in that the driver comprises a time-delay quenching and light-operated dormancy circuit, a LED frequency conversion control circuit and a light-operated dormancy control circuit, wherein the time-delay quenching and light-operated dormancy circuit can prevent a LED lamp from quenching immediately when the LED lamp encounters instant strong light; the LED frequency conversion control circuit can make the LED lamp brighten when an object triggers an induction time delay switch; the light-operated dormancy control circuit can make a non-illuminance monitoring circuit be in a dormancy state in daytime or when the illumination is strong according to the illuminance of an environment. The driver of the utility model aims at overcoming disadvantages in the prior art. The novel LED driver is provided. By using the driver, cost is low; time-delay quenching can be performed when there is the instant strong light; energy saving and environmental protection are achieved.
Description
Technical field
The utility model relates to a kind of New LED driver.
Background technology
Even existing induction LED driver in use daytime or illumination always in running order when strong, the consumption that this can cause electric energy, has increased use cost.Existing induction LED driver ought at night or in the situation of insufficient light, when running into the irradiation of the instantaneous strong light such as thunder and lightning or headlight for vehicles, induction LED driver just can order about at once LED and quit work, and brings much inconvenience to user.
So it is perfect that existing induction LED driver awaits progress one.
Utility model content
The purpose of this utility model is in order to overcome weak point of the prior art, provides a kind of use cost low, energy delay-action while running into instantaneous strong light irradiation, the New LED driver of energy-conserving and environment-protective.
In order to achieve the above object, the utility model adopts following scheme:
A kind of New LED driver, it is characterized in that: comprise delay-action and the light-operated dormant circuit that can prevent that LED lamp from extinguishing immediately in the time running into instantaneous strong light irradiation, also include when object triggers induction and can make when delay switch LED lamp highlight the LED frequency conversion control circuit of illumination, also include according to the illuminance of environment and can make non-illuminance supervisory circuit by day or the light-operated dormancy control circuit in resting state when illumination is strong.
A kind of New LED driver as above, it is characterized in that described delay-action and light-operated dormant circuit are NAND gate delayed sleep circuit, described NAND gate delayed sleep circuit includes photo resistance CDS, on described photo resistance CDS, be serially connected with NAND gate U1A, on described NAND gate U1A one end, be serially connected with NAND gate U1B, on described NAND gate U1B, be serially connected with diode D1, on described diode D1 one end, be serially connected with NAND gate U1C, on described NAND gate U1C input, be connected with resistance R 2, in described resistance R 2 and be connected to capacitor C 1, described resistance R 2 one end are connected with photo resistance CDS, on described NAND gate U1C output, be serially connected with resistance R 4, on described resistance R 4 one end, be connected with triode Q3, on the collector electrode of described triode Q3, be serially connected with resistance R 5, on described resistance R 5 one end, be serially connected with triode Q4, in the base stage of described triode Q4, be serially connected with diode Z1, one end of described diode Z1 is connected with the emitter of triode Q3, on described triode Q3 and be connected to capacitor C 2, described capacitor C 2 is attempted by diode Z1 two ends, on the emitter of described triode Q4, be connected with antenna power interface, on described NAND gate U1C input, connect NAND gate U1D, on the output of described NAND gate U1D, be connected with resistance R 3, on described resistance R 3 one end, be connected with triode Q2, on the collector electrode of described triode Q2, be connected with emitting led, between the collector electrode of described triode Q2 and emitter and meet diode D3, the emitter of described triode Q2 is connected with photo resistance CDS, described light-emitting diode is in parallel with capacitor C 5.
A kind of New LED driver as above, is characterized in that being serially connected with diode D2 between described NAND gate U1D and triode Q2.
A kind of New LED driver as above, it is characterized in that being connected with triode Q1 on described triode Q2, the base stage of described triode Q1 is connected with diode D2, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
A kind of New LED driver as above, it is characterized in that described delay-action and light-operated dormant circuit are not gate delayed sleep circuit, described not gate delayed sleep circuit includes photo resistance CDS, on described photo resistance CDS, be serially connected with not gate U1A, on described not gate U1A one end, be serially connected with not gate U1B, on described not gate U1B, be serially connected with diode D1, on described diode D1 one end, be serially connected with not gate U1C, on described not gate U1C input, be connected with resistance R 2, in described resistance R 2 and be connected to capacitor C 1, described resistance R 2 one end are connected with photo resistance CDS, on described not gate U1C output, be serially connected with resistance R 4, on described resistance R 4 one end, be connected with triode Q3, on the collector electrode of described triode Q3, be serially connected with resistance R 5, on described resistance R 5 one end, be serially connected with triode Q4, in the base stage of described triode Q4, be serially connected with diode Z1, one end of described diode Z1 is connected with the emitter of triode Q3, on described triode Q3 and be connected to capacitor C 2, described capacitor C 2 is attempted by diode Z1 two ends, on the emitter of described triode Q4, be connected with antenna power interface, on described not gate U1C input, connect not gate U1D, on the output of described not gate U1D, be connected with resistance R 3, on described resistance R 3 one end, be connected with triode Q2, on the collector electrode of described triode Q2, be connected with emitting led, between the collector electrode of described triode Q2 and emitter and meet diode D3, the emitter of described triode Q2 is connected with photo resistance CDS, described light-emitting diode is in parallel with capacitor C 5.
A kind of New LED driver as above, is characterized in that being serially connected with diode D2 between described not gate U1D and triode Q2.
A kind of New LED driver as above, it is characterized in that being connected with triode Q1 on described triode Q2, the base stage of described triode Q1 is connected with diode D2, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
A kind of New LED driver as above, it is characterized in that described light-operated dormancy control circuit includes the triode Q1 being connected with photo resistance CDS one end, described triode Q1 collector electrode on be connected with resistance R 3, be connected with the collector electrode of triode Q2 in described resistance R 3 one end, between the collector electrode of described triode Q1 and resistance R 3, be provided with capacitor C 1 and diode Z1, in the base stage of described triode Q2 He on emitter, be connected with diode Z2, on the collector electrode of described triode Q2, be connected with resistance R 5, on one end of described resistance R 5, be connected with the collector electrode of triode Q3, the base stage of described triode Q3 is connected with the collector electrode of triode Q2, between the emitter of described triode Q3 and diode Z2, be serially connected with capacitor C 2 and capacitor C 3, emitter at described triode Q3 is connected with antenna power interface, between the emitter of described triode Q3 and capacitor C 3, be respectively equipped with resistance R 6 and resistance R 7, described resistance R 7 one end are connected with the base stage of triode Q4, on the collector electrode of described triode Q4, be connected with emitting led, described emitting led on and be connected to capacitor C 5, on the emitter of described capacitor C 5 and triode Q4, be serially connected with diode D2.
A kind of New LED driver as above, it is characterized in that described light-operated dormancy control circuit includes the triode Q1 being connected with photo resistance CDS one end, described triode Q1 collector electrode on be connected with resistance R 3, be connected with the collector electrode of triode Q2 in described resistance R 3 one end, between described resistance R 3 and the base stage of triode Q2, be provided with capacitor C 1 and diode Z1, in the base stage of described triode Q2 He on emitter, be connected with diode Z2, on the collector electrode of described triode Q2, be connected with resistance R 5, on one end of described resistance R 5, be connected with the collector electrode of triode Q3, the base stage of described triode Q3 is connected with the collector electrode of triode Q2, between the emitter of described triode Q3 and diode Z2, be serially connected with capacitor C 2 and capacitor C 3, emitter at described triode Q3 is connected with antenna power interface, between the emitter of described triode Q3 and capacitor C 3, be respectively equipped with resistance R 6 and resistance R 7, described resistance R 7 one end are connected with the base stage of triode Q4, on the collector electrode of described triode Q4, be connected with emitting led, described emitting led on and be connected to capacitor C 5, on the emitter of described capacitor C 5 and triode Q4, be serially connected with diode D2.
A kind of New LED driver as above, it is characterized in that described LED highlights frequency conversion control circuit and includes optocoupler U1, on described optocoupler U1 input, be connected with signal input part by resistance R 1, on described optocoupler U1, be connected with metal-oxide-semiconductor, on described metal-oxide-semiconductor, string has resistance S2, at described resistance S2, on metal-oxide-semiconductor and be connected to resistance S1, on described resistance S2 one end, be serially connected with constant current control integration circuit U 2, on described optocoupler U1 input, be connected with diode Z1 and resistance R 3, described diode Z1 is connected respectively at resistance S1 with resistance R 3.
In sum, the utility model with respect to its beneficial effect of prior art is:
When in the utility model, daytime or illumination are strong, the utility model driver is in low-power consumption resting state, when evening or illuminance are weak, New LED driver, realize the low-light level illumination of 30% left and right, when there being object rank of movable type or noise in the induction zone of time delay inductive switch to reach the rank of setting, variable frequency induction switch triggering, by changing the resistance that drives sample circuit in LED constant current, change sampling parameter, regulate the frequency of oscillation of variable frequency induction driver, realize the frequency conversion of LED lamp and highlight illumination, in this delay time section, LED foot power illumination.The induction zone of object leave latency switch or the rank of noise do not reach the fixed rank of meter, and after time delay, constant-current LED driver returns to former sampling parameters, and frequency of oscillation returns to dark frequency when bright, and LED lamp is dark bright state.Adopt light sensation resistance to identify round the clock or intensity of illumination, daytime, closed portion control circuit, made it enter resting state, and evening, power-on entered operating state.The LED lamp of opening and closing so in time and evening highlight under the condition of illumination satisfied, realize highlight illumination is provided.The trip being convenient for people to, evening nobody time LED lamp secretly bright, saves energy.
Brief description of the drawings
Fig. 1 to 12 is the schematic diagram of the utility model delay-action and 12 kinds of execution modes of light-operated dormant circuit the first execution mode to the;
Figure 13 to 14 is the schematic diagram of the light-operated dormancy control circuit of the utility model;
Figure 15 is the schematic diagram that the utility model LED highlights control circuit.
Embodiment
Below in conjunction with brief description of the drawings and embodiment, the utility model is further described:
A kind of New LED driver as shown in Fig. 1 to 15, comprise delay-action and the light-operated dormant circuit 1 that can prevent that LED lamp from extinguishing immediately in the time running into instantaneous strong light irradiation, also include when object triggers the LED that can make LED lamp highlight illumination when inductive switch and highlight control circuit 2, also include and can make light-operated circuit by day or the light-operated dormancy control circuit 3 in resting state when illumination is strong.
The first execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in Figure 1, described delay-action and light-operated dormant circuit 1 are NAND gate delayed sleep circuit, described NAND gate delayed sleep circuit includes photo resistance CDS, on described photo resistance CDS, be serially connected with NAND gate U1A, on described NAND gate U1A one end, be serially connected with NAND gate U1B, on described NAND gate U1B, be serially connected with diode D1, on described diode D1 one end, be serially connected with NAND gate U1C, on described NAND gate U1C input, be connected with resistance R 2, in described resistance R 2 and be connected to capacitor C 1, described resistance R 2 one end are connected with photo resistance CDS, on described NAND gate U1C output, be serially connected with resistance R 4, on described resistance R 4 one end, be connected with triode Q3, on the collector electrode of described triode Q3, be serially connected with resistance R 5, on described resistance R 5 one end, be serially connected with triode Q4, in the base stage of described triode Q4, be serially connected with diode Z1, one end of described diode Z1 is connected with the emitter of triode Q3, on described triode Q3 and be connected to capacitor C 2, described capacitor C 2 is attempted by diode Z1 two ends, on the emitter of described triode Q4, be connected with antenna power interface 4, on described NAND gate U1C input, connect NAND gate U1D, on the output of described NAND gate U1D, be connected with resistance R 3, on described resistance R 3 one end, be connected with triode Q2, on the collector electrode of described triode Q2, be connected with emitting led 5, at described emitting led shunt capacitance C5, between the collector electrode of described triode Q2 and emitter and meet diode D3, the emitter of described triode Q2 is connected with photo resistance CDS.
The second execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in Figure 2, on the base material of circuit described in Fig. 1, the utility model is serially connected with diode D2 between described NAND gate U1D and triode Q2, and described diode D2 is arranged between NAND gate U1D and resistance R 3.
The third execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in Figure 3, on the base material of circuit described in Fig. 1, the utility model is serially connected with diode D2 between described NAND gate U1D and triode Q2, and described diode D2 is arranged between triode Q2 and resistance R 3.
The 4th kind of execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in Figure 4, on the circuit base of Fig. 1, in the utility model, on described triode Q2, be connected with triode Q1, the base stage of described triode Q1 is connected with diode Z1, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
The 5th kind of execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in Figure 5, on the circuit base of Fig. 2, in the utility model, on described triode Q2, be connected with triode Q1, the base stage of described triode Q1 is connected with diode Z1, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
The 6th kind of execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in Figure 6, on the circuit base of Fig. 3, in the utility model, on described triode Q2, be connected with triode Q1, the base stage of described triode Q1 is connected with diode Z1, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
NAND gate LED time delay in the utility model, dormant circuit is that LED lamp is opened, close circuit, during by day with strong illumination, photo resistance CDS is in low resistive state, NAND gate U1A input end is in low level, output is high level, NAND gate U1B output low level, NAND gate U1C exports high level, U1C drives triode Q3 by R4, triode Q3 conducting, the base stage of triode Q4 is low level 0V, triode Q4 cut-off, triode Q4 emitter Non voltage output, this power supply is radar antenna, the non-illuminance supervisory circuit power supply of delay switch, owing to having closed power supply, these circuit enter resting state.NAND gate U1D input is high level, and output is low level, the Darlington transistor of triode Q1 and Q2 composition or single triode Q2 cut-off, and LED lamp is in closed condition.While irradiation with the low light level at night, photo resistance CDS is in high-impedance state, NAND gate U1A input end is in high level, output is low level, NAND gate U1B exports high level, UIB charges to capacitor C 1 by diode D2, resistance R 2 is discharge resistance, NAND gate U1C output low level, triode Q3 cut-off, the base stage of triode Q4 is high level, triode Q4 conducting, out-put supply, this power supply is to radar antenna, the non-illuminance supervisory circuit power supply of delay switch, connected power supply, these circuit have entered operating state.NAND gate U1D input is low level, and output is high level, drives Darlington transistor or single triode Q2 conducting of triode Q1 and Q2 composition, and LED lamp is bright.If, photo resistance is subject to instantaneous strong light irradiation or it is light already, owing to having filled electricity in C1, the input of U1C maintains high level, NAND gate U1D exports high level, and LED lamp keeps opening, only has and discharges by R2 as C1, until the level of the input of U1C falls to low level, it is delay-action function that LED lamp just extinguishes.
The 7th kind of execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in Figure 7, described delay-action and light-operated dormant circuit 1 are not gate delayed sleep circuit, described not gate delayed sleep circuit includes photo resistance CDS, on described photo resistance CDS, be serially connected with not gate U1A, on described not gate U1A one end, be serially connected with not gate U1B, on described not gate U1B, be serially connected with diode D1, on described diode D1 one end, be serially connected with not gate U1C, on described not gate U1C input, be connected with resistance R 2, in described resistance R 2 and be connected to capacitor C 1, described resistance R 2 one end are connected with photo resistance CDS, on described not gate U1C output, be serially connected with resistance R 4, on described resistance R 4 one end, be connected with triode Q3, on the collector electrode of described triode Q3, be serially connected with resistance R 5, on described resistance R 5 one end, be serially connected with triode Q4, in the base stage of described triode Q4, be serially connected with diode Z1, one end of described diode Z1 is connected with the emitter of triode Q3, on described triode Q3 and be connected to capacitor C 2, described capacitor C 2 is attempted by diode Z1 two ends, on the emitter of described triode Q4, be connected with antenna power interface 4, on described not gate U1C input, connect not gate U1D, on the output of described not gate U1D, be connected with resistance R 3, on described resistance R 3 one end, be connected with triode Q2, on the collector electrode of described triode Q2, be connected with emitting led 5, between the collector electrode of described triode Q2 and emitter and meet diode D3, the emitter of described triode Q2 is connected with photo resistance CDS.
The 8th kind of execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in Figure 8, on the circuit base of Fig. 7, in the utility model, between described not gate U1D and triode Q2, be serially connected with diode D2, described diode D2 is arranged between not gate U1D and resistance R 3.
The 9th kind of execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in Figure 9, on the base material of circuit described in Fig. 7, the utility model is serially connected with diode D2 between described not gate U1D and triode Q2, and described diode D2 is arranged between triode Q2 and resistance R 3.
The tenth kind of execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in figure 10, on the circuit base of Fig. 7, in the utility model, on described triode Q2, be connected with triode Q1, the base stage of described triode Q1 is connected with diode Z1, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
The 11 kind of execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in figure 11, on the circuit base of Fig. 8, in the utility model, on described triode Q2, be connected with triode Q1, the base stage of described triode Q1 is connected with diode Z1, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
The 12 kind of execution mode of delay-action described in the utility model and light-operated dormant circuit 1, as shown in figure 12, on the circuit base of Fig. 9, in the utility model, on described triode Q2, be connected with triode Q1, the base stage of described triode Q1 is connected with diode Z1, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
Not gate LED time delay in the utility model, dormant circuit is that LED lamp is opened, close circuit, during by day with strong illumination, photo resistance CDS is in low resistive state, not gate U1A input end is in low level, output is high level, not gate U1B output low level, not gate U1C exports high level, U1C drives triode Q3 by R4, triode Q3 conducting, the base stage of triode Q4 is low level 0V, triode Q4 cut-off, triode Q4 emitter Non voltage output, this power supply is radar antenna, the non-illuminance supervisory circuit power supply of delay switch, owing to having closed power supply, these circuit enter resting state.Not gate U1D input is high level, and output is low level, the Darlington transistor of triode Q1 and Q2 composition or single triode Q2 cut-off, and LED lamp is in closed condition.Resistance R 6 outputs are low level, heat is released to the photo resistance test side of infrared control circuit, acousto-optic control control circuit and be arranged to forbid triggering state, while ensureing that heat discharges the time-delay switch control circuits such as infrared control circuit, acousto-optic control by day or illuminance is enough, forbid triggering.While irradiation with the low light level at night, photo resistance CDS is in high-impedance state, not gate U1A input end is in high level, output is low level, not gate U1B exports high level, UIB charges to capacitor C 1 by diode D2, resistance R 2 is discharge resistance, not gate U1C output low level, triode Q3 cut-off, the base stage of triode Q4 is in high level, triode Q4 conducting, out-put supply, this power supply is to non-illuminance supervisory circuit power supply in radar antenna power supply, delay switch, owing to having opened power supply, these electricity enter operating state.Resistance R 5 outputs are high level, and photo resistance CDS test side is high level, and heat is released the time-delay switch control circuit such as infrared control circuit, acoustooptic controlled delay control and allowed to trigger.Under this state, not gate U1D input is low level, and output is high level, drives Darlington transistor or single triode Q2 conducting of triode Q1 and Q2 composition, and LED lamp is in opening.If, photo resistance is subject to instantaneous strong light irradiation or it is light already, owing to having filled electricity in C1, the input of U1C continues to maintain high level, not gate output high level, and LED lamp maintains opening, C1 discharges by R2, until the input level of U1C falls to low level, LED lamp just extinguishes, i.e. delay-action function.
The first implementation method of light-operated dormancy control circuit 3 described in the utility model, as shown in figure 13, described light-operated dormancy control circuit 3 includes the triode Q1 being connected with photo resistance CDS one end, described triode Q1 collector electrode on be connected with resistance R 3, be connected with the collector electrode of triode Q2 in described resistance R 3 one end, between the collector electrode of described triode Q1 and resistance R 3, be provided with capacitor C 1 and diode Z1, in the base stage of described triode Q2 He on emitter, be connected with diode Z2, on the collector electrode of described triode Q2, be connected with resistance R 5, on one end of described resistance R 5, be connected with the collector electrode of triode Q3, the base stage of described triode Q3 is connected with the collector electrode of triode Q2, between the emitter of described triode Q3 and diode Z2, be serially connected with capacitor C 2 and capacitor C 3, emitter at described triode Q3 is connected with antenna power interface 4, between the emitter of described triode Q3 and capacitor C 3, be respectively equipped with resistance R 6 and resistance R 7, described resistance R 7 one end are connected with the base stage of triode Q4, on the collector electrode of described triode Q4, be connected with emitting led 5, on described emitting led 5 and be connected to capacitor C 5, on the emitter of described capacitor C 5 and triode Q4, be serially connected with diode D2.
The second implementation method of light-operated dormancy control circuit 3 described in the utility model, as shown in figure 14, described light-operated dormancy control circuit 3 includes the triode Q1 being connected with photo resistance CDS one end, described triode Q1 collector electrode on be connected with resistance R 3, be connected with the collector electrode of triode Q2 in described resistance R 3 one end, between described resistance R 3 and the base stage of triode Q2, be provided with capacitor C 1 and diode Z1, in the base stage of described triode Q2 He on emitter, be connected with diode Z2, on the collector electrode of described triode Q2, be connected with resistance R 5, on one end of described resistance R 5, be connected with the collector electrode of triode Q3, the base stage of described triode Q3 is connected with the collector electrode of triode Q2, between the emitter of described triode Q3 and diode Z2, be serially connected with capacitor C 2 and capacitor C 3, emitter at described triode Q3 is connected with antenna power interface 4, between the emitter of described triode Q3 and capacitor C 3, be respectively equipped with resistance R 6 and resistance R 7, described resistance R 7 one end are connected with the base stage of triode Q4, on the collector electrode of described triode Q4, be connected with emitting led 5, on described emitting led 5 and be connected to capacitor C 5, on the emitter of described capacitor C 5 and triode Q4, be serially connected with diode D2.
In the utility model by day or when high light illumination, photo resistance is low-resistance value, Q1 cut-off, very high level of the current collection of Q1, by R3 current limliting, triode Q2 saturation conduction, the output of triode Q3 non-transformer, close the power supply of the non-illuminance supervisory circuit of frequency conversion LED driver, make frequency conversion LED induction be driven into resting state.A little less than night or illuminance time, photo resistance is high resistance, Q1 saturation conduction, and very low level of the current collection of Q1, triode Q2 cut-off, triode Q3 conducting, out-put supply, starts frequency conversion LED driver.In order to prevent the high light of moment, the strong illuminations such as thunderous electric light or car lighting lamp, to frequency conversion LED lamp, cause frequency conversion LED lamp to extinguish, resistance R 2 is to C1 charging, because the voltage of C1 can not saltus step, and RC charging delay time used, powered-down after time delay, prevents that lamp moment from extinguishing.Zener diode Z1 protection triode Q1, prevents that the power surges of electric capacity from damaging.
As shown in figure 15, LED described in the utility model highlights control circuit 2 and includes optocoupler U1, on described optocoupler U1 input, be connected with signal input part 6 by resistance R 1, on described optocoupler U1, be connected with metal-oxide-semiconductor, on described metal-oxide-semiconductor, string has resistance S2, at described resistance S2, on metal-oxide-semiconductor and be connected to resistance S1, on described resistance S2 one end, be serially connected with constant current control integration circuit U 2, on described optocoupler U1 input, be connected with diode Z1 and resistance R 3, described diode Z1 is connected respectively at resistance S1 with resistance R 3.
When in the utility model, evening or brightness are weak, all circuit of radar circuit and delay switch are in running order, if have people to walk about in induction zone or object moves, noise rank is greater than set point, allow trigger control circuit, infra-red heat discharges control circuit, the electronic time-delay switch output high level signals such as acoustic control, impose on the input of optocoupler by resistance R 1, the output conducting of optocoupler, metal-oxide-semiconductor conducting, resistance S2 is incorporated in current sampling circuit, resistance S2 is in parallel with sampling resistor S1, sampling resistor value reduces, constant current control integration circuit U 2 changes frequency of oscillation, strengthen the current output value of constant current, LED lamp highlights.After delay time, control signal transfers low level to, the output cut-off of optocoupler, and resistance S2 removes from sample circuit, and sample rate current value returns to dark bright level, and LED is secretly bright.
More than show and described general principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (9)
1. a New LED driver, it is characterized in that: comprise delay-action and the light-operated dormant circuit (1) that can prevent that LED lamp from extinguishing immediately in the time running into instantaneous strong light irradiation, also include when object triggers the LED that can make LED lamp highlight illumination when inductive switch and highlight frequency conversion control circuit (2), also include according to the illuminance of environment and can make non-illuminance supervisory circuit by day or the light-operated dormancy control circuit (3) in resting state when illumination is strong.
2. a kind of New LED driver according to claim 1, it is characterized in that described delay-action and light-operated dormant circuit (1) are for NAND gate delayed sleep circuit, described NAND gate delayed sleep circuit includes photo resistance CDS, on described photo resistance CDS, be serially connected with NAND gate U1A, on described NAND gate U1A one end, be serially connected with NAND gate U1B, on described NAND gate U1B, be serially connected with diode D1, on described diode D1 one end, be serially connected with NAND gate U1C, on described NAND gate U1C input, be connected with resistance R 2, in described resistance R 2 and be connected to capacitor C 1, described resistance R 2 one end are connected with photo resistance CDS, on described NAND gate U1C output, be serially connected with resistance R 4, on described resistance R 4 one end, be connected with triode Q3, on the collector electrode of described triode Q3, be serially connected with resistance R 5, on described resistance R 5 one end, be serially connected with triode Q4, in the base stage of described triode Q4, be serially connected with diode Z1, one end of described diode Z1 is connected with the emitter of triode Q3, on described triode Q3 and be connected to capacitor C 2, described capacitor C 2 is attempted by diode Z1 two ends, on the emitter of described triode Q4, be connected with antenna power interface (4), on described NAND gate U1C input, connect NAND gate U1D, on the output of described NAND gate U1D, be connected with resistance R 3, on described resistance R 3 one end, be connected with triode Q2, on the collector electrode of described triode Q2, be connected with emitting led (5), between the collector electrode of described triode Q2 and emitter and meet diode D3, the emitter of described triode Q2 is connected with photo resistance CDS, the emitter of described triode Q2 is connected with photo resistance CDS, described light-emitting diode is in parallel with capacitor C 5.
3. a kind of New LED driver according to claim 2, is characterized in that being serially connected with diode D2 between described NAND gate U1D and triode Q2.
4. according to a kind of New LED driver described in claim 2 or 3, it is characterized in that being connected with triode Q1 on described triode Q2, the base stage of described triode Q1 is connected with diode D2, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
5. a kind of New LED driver according to claim 1, it is characterized in that described delay-action and light-operated dormant circuit (1) are for not gate delayed sleep circuit, described not gate delayed sleep circuit includes photo resistance CDS, on described photo resistance CDS, be serially connected with not gate U1A, on described not gate U1A one end, be serially connected with not gate U1B, on described not gate U1B, be serially connected with diode D1, on described diode D1 one end, be serially connected with not gate U1C, on described not gate U1C input, be connected with resistance R 2, in described resistance R 2 and be connected to capacitor C 1, described resistance R 2 one end are connected with photo resistance CDS, on described not gate U1C output, be serially connected with resistance R 4, on described resistance R 4 one end, be connected with triode Q3, on the collector electrode of described triode Q3, be serially connected with resistance R 5, on described resistance R 5 one end, be serially connected with triode Q4, in the base stage of described triode Q4, be serially connected with diode Z1, one end of described diode Z1 is connected with the emitter of triode Q3, on described triode Q3 and be connected to capacitor C 2, described capacitor C 2 is attempted by diode Z1 two ends, on the emitter of described triode Q4, be connected with antenna power interface (4), on described not gate U1C input, connect not gate U1D, on the output of described not gate U1D, be connected with resistance R 3, on described resistance R 3 one end, be connected with triode Q2, on the collector electrode of described triode Q2, be connected with emitting led (5), between the collector electrode of described triode Q2 and emitter and meet diode D3, the emitter of described triode Q2 is connected with photo resistance CDS, the emitter of described triode Q2 is connected with photo resistance CDS, described light-emitting diode is in parallel with capacitor C 5, between described not gate U1D and triode Q2, be serially connected with diode D2.
6. a kind of New LED driver according to claim 5, it is characterized in that being connected with triode Q1 on described triode Q2, the base stage of described triode Q1 is connected with diode D2, the emitter of described triode Q1 is connected with the base stage of triode Q2, and the collector electrode of described triode Q1 is connected with the collector electrode of triode Q2.
7. a kind of New LED driver according to claim 1, it is characterized in that described light-operated dormancy control circuit (3) includes the triode Q1 being connected with photo resistance COS one end, described triode Q1 collector electrode on be connected with resistance R 3, be connected with the collector electrode of triode Q2 in described resistance R 3 one end, between the collector electrode of described triode Q1 and resistance R 3, be provided with capacitor C 1 and diode Z1, in the base stage of described triode Q2 He on emitter, be connected with diode Z2, on the collector electrode of described triode Q2, be connected with resistance R 5, on one end of described resistance R 5, be connected with the collector electrode of triode Q3, the base stage of described triode Q3 is connected with the collector electrode of triode Q2, between the emitter of described triode Q3 and diode Z2, be serially connected with capacitor C 2 and capacitor C 3, emitter at described triode Q3 is connected with antenna power interface (4), between the emitter of described triode Q3 and capacitor C 3, be respectively equipped with resistance R 6 and resistance R 7, described resistance R 7 one end are connected with the base stage of triode Q4, on the collector electrode of described triode Q4, be connected with emitting led (5), go up and be connected to capacitor C 5 in described emitting led (5), on the emitter of described capacitor C 5 and triode Q4, be serially connected with diode D2.
8. a kind of New LED driver according to claim 1, it is characterized in that described light-operated dormancy control circuit (3) includes the triode Q1 being connected with photo resistance COS one end, described triode Q1 collector electrode on be connected with resistance R 3, be connected with the collector electrode of triode Q2 in described resistance R 3 one end, between described resistance R 3 and the base stage of triode Q2, be provided with capacitor C 1 and diode Z1, in the base stage of described triode Q2 He on emitter, be connected with diode Z2, on the collector electrode of described triode Q2, be connected with resistance R 5, on one end of described resistance R 5, be connected with the collector electrode of triode Q3, the base stage of described triode Q3 is connected with the collector electrode of triode Q2, between the emitter of described triode Q3 and diode Z2, be serially connected with capacitor C 2 and capacitor C 3, emitter at described triode Q3 is connected with antenna power interface (4), between the emitter of described triode Q3 and capacitor C 3, be respectively equipped with resistance R 6 and resistance R 7, described resistance R 7 one end are connected with the base stage of triode Q4, on the collector electrode of described triode Q4, be connected with emitting led (5), go up and be connected to capacitor C 5 in described emitting led (5), on the emitter of described capacitor C 5 and triode Q4, be serially connected with diode D2.
9. a kind of New LED driver according to claim 1, it is characterized in that described LED highlights frequency conversion control circuit (2) and includes optocoupler U1, on described optocoupler U1 input, be connected with signal input part (6) by resistance R 1, on described optocoupler U1, be connected with metal-oxide-semiconductor, on described metal-oxide-semiconductor, string has resistance S2, at described resistance S2, on metal-oxide-semiconductor and be connected to resistance S1, on described resistance S2 one end, be serially connected with constant current control integration circuit U 2, on described optocoupler U1 input, be connected with diode Z1 and resistance R 3, described diode Z1 is connected respectively at resistance S1 with resistance R 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041525.5U CN203748060U (en) | 2014-01-22 | 2014-01-22 | Novel LED driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420041525.5U CN203748060U (en) | 2014-01-22 | 2014-01-22 | Novel LED driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203748060U true CN203748060U (en) | 2014-07-30 |
Family
ID=51347806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420041525.5U Expired - Fee Related CN203748060U (en) | 2014-01-22 | 2014-01-22 | Novel LED driver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203748060U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796386A (en) * | 2014-01-22 | 2014-05-14 | 刘胜泉 | Variable-frequency LED induction driver |
| CN107241832A (en) * | 2017-07-19 | 2017-10-10 | 杭州旗翔光电科技有限公司 | A kind of bis- sections of light modulation sleeping lamps of LED |
| CN113873724A (en) * | 2021-10-29 | 2021-12-31 | 汪玲芳 | LED vegetation lamp control circuit |
-
2014
- 2014-01-22 CN CN201420041525.5U patent/CN203748060U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103796386A (en) * | 2014-01-22 | 2014-05-14 | 刘胜泉 | Variable-frequency LED induction driver |
| CN103796386B (en) * | 2014-01-22 | 2016-04-20 | 刘胜泉 | A kind of frequency conversion LED induction driver |
| CN107241832A (en) * | 2017-07-19 | 2017-10-10 | 杭州旗翔光电科技有限公司 | A kind of bis- sections of light modulation sleeping lamps of LED |
| CN113873724A (en) * | 2021-10-29 | 2021-12-31 | 汪玲芳 | LED vegetation lamp control circuit |
| CN113873724B (en) * | 2021-10-29 | 2024-04-16 | 广东顺德拓昊电子电器有限公司 | LED vegetation lamp control circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203748060U (en) | Novel LED driver | |
| CN201718100U (en) | Intelligent controller of street lamp power supply | |
| CN201718101U (en) | Power energy-saving controller for corridor lighting | |
| CN203504837U (en) | Time-delay induction lamp with self-locking function | |
| CN205070963U (en) | Dab delay switch circuit | |
| CN103796386B (en) | A kind of frequency conversion LED induction driver | |
| CN201173420Y (en) | Human body infra-red ray induction solar lamp for lawn | |
| CN203896541U (en) | Three-state intelligent LED lamp light control hysteresis circuit | |
| CN204069439U (en) | Self-inspection LED acousto-optic control lamp | |
| CN204291506U (en) | A kind of illuminating lamp energy-saving control device | |
| CN203748061U (en) | Novel driver used for induction LED | |
| CN105307366A (en) | Overcurrent protection type intelligent delayed lighting control system for underground parking garage | |
| CN204635847U (en) | A kind ofly can automatically to open or the photopolymerization initiation Intelligent water cup of power cutoff | |
| CN201142777Y (en) | Classroom illumination electricity saving controller | |
| CN204598389U (en) | A kind of touch electrodeless dimming control circuit for LED illumination | |
| CN203120243U (en) | Illumination control device | |
| CN203251282U (en) | Infrared sensor module | |
| CN202488809U (en) | Auto-induction adjustable light-emitting diode (LED) lighting drive controlling system | |
| CN205160847U (en) | Switch control circuit | |
| CN104799652B (en) | A kind ofly can automatically to open or the photopolymerization initiation Intelligent water cup of power cutoff and implementation method | |
| CN104582208A (en) | Illuminating circuit and illuminating circuit control method | |
| CN205265950U (en) | Energy -saving power's LED street lamp | |
| CN204855749U (en) | Battery power supervisory circuits | |
| CN204145843U (en) | A kind of photovoltaic LED lighting system delay and power adjusting circuit | |
| CN204984066U (en) | A four -wire system controlling means for electric door closer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20170122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |