CN102938966B - High-frequency and long-life intelligent xenon flash lamp controller - Google Patents
High-frequency and long-life intelligent xenon flash lamp controller Download PDFInfo
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- CN102938966B CN102938966B CN201210479024.0A CN201210479024A CN102938966B CN 102938966 B CN102938966 B CN 102938966B CN 201210479024 A CN201210479024 A CN 201210479024A CN 102938966 B CN102938966 B CN 102938966B
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Abstract
The invention provides a high-frequency and long-life intelligent xenon flash lamp controller which comprises an alternating current EMI (Electro-Magnetic Interference) filter connected with commercial power, a charging circuit, a capacitor bank, a power supply and waveform generation circuit, a logic control circuit, a trigger circuit and a flash signal generation circuit, wherein the output of the alternating current EMI filter is connected with the inputs of the charging circuit and the power supply and waveform generation circuit; the output of the charging circuit is connected to the capacitor bank; the capacitor bank is connected to the trigger circuit and a xenon flash lamp light tube to supply electric energy; the output of the power supply and waveform generation circuit is connected with the logic control circuit; the output of the flash signal generation circuit is connected with the logic control circuit and the trigger circuit; and the output of the trigger circuit is connected with the xenon flash lamp light tube. The high-frequency and long-life intelligent xenon flash lamp controller has the advantages of uniform and low charging current, low electric network interference, high flash frequency, long service life, high flash intensity, high interference rejection, wide temperature adaptation range, simple structure, low production cost and high safety and reliability.
Description
Technical field
The present invention relates to a kind of lighting controller, specifically a kind of high frequency high life intelligence xenon flash lamp controller.
Background technology
In road capturing system violating the regulations, use the more and more extensive of xenon flash lamp light filling utilization, adopt xenon flash lamp light filling technology can save the energy, picture quality is good.Also have at present and use great power LED light filling, but the brightness of LED light filling picture is restricted, and does not reach the effect of high-quality picture, and the price of great power LED is also higher, cost is always high; Also there is the high power lighting lamp of employing normal bright light filling at night, this light filling technology consumes electric energy very much, be unfavorable for the saving energy of now extensively advocating, and service life is also ofer short duration, often use and will all change less than 1 year, make troubles to the maintenance in later stage, maintenance cost is high, and brightness is also very general, the requirement that does not reach high definition picture.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of high frequency high life intelligence xenon flash lamp controller is provided, its flicker frequency is high, and the life-span is long, and flash intensity is high.
According to technical scheme provided by the invention, described high frequency high life intelligence xenon flash lamp controller comprises: with the electromagnetic interface filter that exchanges of city's electrical connection, charging circuit, capacitance group, power supply and wave generator circuit, logic control circuit, circuits for triggering, flashing signal circuit for generating, the output of described interchange electromagnetic interface filter is connected with the input of charging circuit and power supply and wave generator circuit, the output of described charging circuit is connected to capacitance group, capacitance group is connected to circuits for triggering and xenon flash lamp light pipe provides electric energy, the output of described power supply and wave generator circuit is connected logic control circuit, the output of flashing signal circuit for generating connects logic control circuit and circuits for triggering, the output of circuits for triggering connects xenon flash lamp light pipe, described charging circuit completes the multiplication of voltage charging of capacitance group, described power supply and wave generator circuit include power circuit and wave generator circuit, described power circuit completes civil power to the conversion of DC supply, and wave generator circuit provides clock for logic control circuit, flashing signal circuit for generating produces flash trigger signal and is input to logic control circuit and circuits for triggering, by circuits for triggering, start once flash of light, logic control circuit is controlled the closed and disconnected of charge switch in charging circuit according to flash trigger signal, capacitance group Closing Switch after completing once flash of light is charged to capacitance group, and after capacitance group completes charging, turn off charge switch is in order to flash of light next time.
Described capacitance group is comprised of a plurality of high-voltage electrolytic capacitors, completes the storage of electric energy.
Concrete, described capacitance group comprises: the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the 5th electric capacity and the 5th diode, the 6th diode; The cathode terminal of the positive terminal of the positive terminal of the second electric capacity and the 4th electric capacity, the 5th diode is connected to form the positive terminal of capacitance group output; The negative pole end of the negative pole end of the second electric capacity and the 4th electric capacity, the anode tap of the 5th diode, the positive terminal of the 3rd electric capacity, the cathode terminal of the positive terminal of the 5th electric capacity, the 6th diode are connected; The anode tap of the negative pole end of the negative pole end of the 3rd electric capacity and the 5th electric capacity, the 6th diode is connected to form the negative pole end of capacitance group output.
Described charging circuit comprises: controllable silicon and silicon controlled toggle model are MOC3081, one end of the first resistance and the live wire that exchanges electromagnetic interface filter output, silicon controlled anodic bonding, and 6 pin by the second resistance and silicon controlled toggle are connected, the other end of the 3rd resistance is connected with one end of the first electric capacity, the other end of the first electric capacity connects the anode tap of the first diode, the cathode terminal of the 3rd diode, silicon controlled cathode terminal, and be connected to silicon controlled control end by the 4th resistance, silicon controlled control end is also connected to 4 pin of silicon controlled toggle, 2 pin of silicon controlled toggle are connected to signal ground by the first resistance, 1 pin of silicon controlled toggle as input pin be connected with the output of logic control circuit, the cathode terminal of the first diode connects the anode tap of the second diode, and the second diode cathode end is connected as the output of charging circuit and the positive pole of capacitance group, the anode tap of the 3rd diode connects the cathode terminal of the 4th diode, and the anode tap of the 4th diode is connected as the output of charging circuit and the negative pole of capacitance group, the anode tap of the 4th diode connects the cathode terminal of the 6th capacitance cathode and the 7th diode, the 6th electric capacity negative pole end connects the negative pole end of the 7th electric capacity, the cathode terminal of the anode tap of the 7th diode, the 8th diode, the positive terminal of the 7th electric capacity connects the cathode terminal of the 8th diode, the anode tap of the negative pole end of the 8th electric capacity, the 9th diode, the positive terminal of the 8th electric capacity is connected with the 9th diode cathode end, and is connected with the zero line that exchanges electromagnetic interface filter output.
Described circuits for triggering comprise: optocoupler, one-way SCR and trigger winding, the flash trigger signal of logic control circuit output connects the first input end of the first NAND gate, the second input of the first NAND gate is connected with power supply, the output of the first NAND gate is connected with the positive input terminal of optocoupler, and the negative input end of optocoupler is by the 11 resistance eutral grounding; One end of the 5th resistance is connected with one end of the 7th resistance, and be connected with the positive terminal of capacitance group, the 5th other end of resistance and the positive output end of optocoupler, the positive terminal of the 11 electric capacity, one end of the 6th resistance are connected, and the other end of the 6th resistance connects the negative pole end of the 11 electric capacity, elementary second end of one end of the 8th resistance, the tenth one end of resistance, the cathode terminal of one-way SCR, trigger winding and secondary the second end; The 8th resistance other end connects the 7th resistance other end, the anode tap of one-way SCR, one end of the tenth electric capacity; The other end of the tenth electric capacity connects the elementary first end of trigger winding; The other end of one end of the 9th resistance and described the tenth resistance, one end of the 9th electric capacity are connected, and the 9th other end of resistance and the negative output terminal of optocoupler are connected; The 9th other end of electric capacity and the trigger end of one-way SCR are connected; Secondary second end of trigger winding and the negative pole end of capacitance group are connected, and the secondary first end of trigger winding connects the triggering input of xenon flash lamp light pipe.
Described logic control circuit comprises: counter model is 74HC161 and the second NAND gate, the 3rd NAND gate, the 4th NAND gate, and 1 pin of counter is connected with the first input end of the 3rd NAND gate, and is connected with flash trigger signal; 2 pin of counter connect clock, 3,4 of counter, 5,6,9,10,16 pin all connect power supply, 8 pin of counter are connected with power supply ground, and 11 pin of counter connect the second input of the second NAND gate by the 15 resistance, and 12 pin of counter connect the first input end of the second NAND gate by the 14 resistance, 13 pin of counter connect the first input end of the second NAND gate by the 13 resistance, 14 pin of counter connect the second input of the second NAND gate by the 12 resistance; The second input of 7 pin of the output sum counter of the second NAND gate, the 3rd NAND gate is connected, and is connected with power supply by the 16 resistance; The output of the 3rd NAND gate connects the first input end of the 4th NAND gate, and the second input of the 4th NAND gate is connected with power supply, and the output of the 4th NAND gate is connected with 1 pin of silicon controlled toggle as controlling output.
Advantage of the present invention is: its charging current is more even, and charging current is little, and little to electrical network interference, flicker frequency is high, and the life-span is long, and flash intensity is high, and antijamming capability is strong, and temperature accommodation is wide, simple in structure, and production cost is low, safe and reliable.Whole system mechanism is simple, easily implements.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of controller of the present invention.
Fig. 2 charging circuit and capacitance group schematic diagram.
Fig. 3 circuits for triggering schematic diagram.
Fig. 4 logic control circuit schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described.
As shown in Figure 1, intelligence xenon flash lamp controller comprises described high frequency high life: what be electrically connected to city exchanges electromagnetic interface filter, charging circuit, capacitance group, power supply and wave generator circuit, logic control circuit, circuits for triggering, flashing signal circuit for generating.
Exchange electromagnetic interface filter for civil power filtering.Described interchange electromagnetic interface filter mainly completes the lightning protection of civil power, surge, and filtering interfering etc., provide a relatively clean power environment to subsequent conditioning circuit; The output of described interchange electromagnetic interface filter is connected with the input of charging circuit, and charging circuit mainly completes the multiplication of voltage charging of capacitance group, and it comprises an on-off circuit, and conducting during charging is full of rear disconnection; The output of described charging circuit is connected to capacitance group, and capacitance group is connected to circuits for triggering and xenon flash lamp light pipe, and capacitance group is comprised of a plurality of high-voltage electrolytic capacitors, and it has been mainly the storage of electric energy, for flash tube and circuits for triggering provide energy; The output of described interchange electromagnetic interface filter is also connected with wave generator circuit with power supply, described power supply and wave generator circuit include power circuit and wave generator circuit, described power circuit completes civil power to the conversion of direct current 5V power supply, for system provides stable working power.Described wave generator circuit completes as system provides 50Hz clock, for logic control circuit, uses; The output of described power supply and wave generator circuit is connected with logic control circuit, described logic control circuit is controlled the closed and disconnected of charge switch in charging circuit according to flash trigger signal, capacitance group Closing Switch after completing once flash of light is charged to capacitance group, and after capacitance group completes charging, turn off charge switch is in order to flash of light next time.The output of flashing signal circuit for generating connects logic control circuit and circuits for triggering, and the output of circuits for triggering connects xenon flash lamp light pipe.Described flashing signal circuit for generating is mainly to gather extraneous flash of light request, this request is converted to a flash trigger signal, again this flash trigger signal is input to logic control circuit and circuits for triggering, by logic control circuit, complete a series of Based Intelligent Control, by circuits for triggering, start once flash of light.Described flash trigger signal is the triggering signal of a Low level effective.
In the present embodiment, exchange the DL-12T1 wave filter that electromagnetic interface filter is used changzhou Jian Li Electronics Co., Ltd., its output is connected with wave generator circuit with power supply with charging circuit.Described power supply and wave generator circuit are comprised of two parts: a part is that AC/DC partly completes the 5V power supply that civil power converts system needs to, and another part is by civil power, to be changed the square-wave waveform of the 50HZ coming.AC/DC part consists of KD-3515A type transformer and the LM7805 of Changshu Shuan Wei Electronics Co., Ltd..Part occurs waveform is to form from the anodal output of transformer and a voltage comparator LM339.
As shown in Figure 2, described charging circuit is comprised of on-off circuit and voltage-multiplying circuit two parts: described on-off circuit is mainly by controllable silicon Q1(T1635-600G) and silicon controlled toggle G1(MOC3081) form, one end of the first resistance R 3 and the live wire that exchanges electromagnetic interface filter output, the anodic bonding of controllable silicon Q1, and 6 pin by the second resistance R 2 and silicon controlled toggle G1 are connected, the other end of the 3rd resistance R 3 is connected with one end of the first capacitor C 1, the other end of the first capacitor C 1 connects the anode tap of the first diode D1, the cathode terminal of the 3rd diode D3, the cathode terminal of controllable silicon Q1, and by the 4th resistance R 4, be connected to the control end of controllable silicon Q1, the control end of controllable silicon Q1 is also connected to 4 pin of silicon controlled toggle G1, 2 pin of silicon controlled toggle G1 are connected to signal ground by the first resistance R 1, 1 pin of silicon controlled toggle G1 is connected with the output CCH with logic control circuit as input pin, the cathode terminal of the first diode D1 connects the anode tap of the second diode D2, and the second diode D2 cathode terminal is connected as the output of charging circuit and the positive pole of capacitance group, the anode tap of the 3rd diode D3 connects the cathode terminal of the 4th diode D4, and the anode tap of the 4th diode D4 is connected as the output of charging circuit and the negative pole of capacitance group, the anode tap of the 4th diode D4 connects the cathode terminal of the 6th capacitor C 6 positive poles and the 7th diode D7, the 6th capacitor C 6 negative pole ends connect the negative pole end of the 7th capacitor C 7, the cathode terminal of the anode tap of the 7th diode D7, the 8th diode D8, the positive terminal of the 7th capacitor C 7 connects the cathode terminal of the 8th diode D8, the anode tap of the negative pole end of the 8th capacitor C 8, the 9th diode D9, the positive terminal of the 8th capacitor C 8 is connected with the 9th diode D9 cathode terminal, and is connected with the zero line AC/N that exchanges electromagnetic interface filter output.
Capacitance group in Fig. 2 comprises: the second capacitor C 2, the 3rd capacitor C 3, the 4th capacitor C 4, the 5th capacitor C 5 and the 5th diode D5, the 6th diode D6; The cathode terminal of the positive terminal of the positive terminal of the second capacitor C 2 and the 4th capacitor C 4, the 5th diode D5 is connected to form the positive terminal FLP of capacitance group output; The negative pole end of the negative pole end of the second capacitor C 2 and the 4th capacitor C 4, the anode tap of the 5th diode D5, the positive terminal of the 3rd capacitor C 3, the cathode terminal of the positive terminal of the 5th capacitor C 5, the 6th diode D6 are connected; The anode tap of the negative pole end of the negative pole end of the 3rd capacitor C 3 and the 5th capacitor C 5, the 6th diode D6 is connected to form the negative pole end FLN of capacitance group output.
Described xenon flash lamp light pipe adopts the screw type stroboscopic fluorescent tube of Zhenjiang Lei Ming special source Co., Ltd.Its trigger winding adopts the supporting trigger winding of the said firm.
As shown in Figure 3, described circuits for triggering are mainly by optocoupler G2(PC817), one-way SCR Q2(BT169G) and trigger winding T1 formation.The flash trigger signal TRC of logic control circuit output connects a NAND gate on the first NAND gate U2A(74HC00, and following pin all refers to the pin of a slice 74HC00) 1 pin.2 pin of U2A are connected with power supply VCC.3 pin of U2A are connected with 1 pin of optocoupler G2.2 pin of optocoupler G2 are by the 11 resistance R 11 ground connection.One end of the 5th resistance R 5 is connected with one end of the 7th resistance R 7, and is connected with the positive terminal FLP of capacitance group, 4 pin of the other end of the 5th resistance R 5 and optocoupler G2, and the positive terminal of the 11 capacitor C 11, one end of the 6th resistance R 6 is connected.The other end of the 6th resistance R 6 connect the negative pole end of the 11 capacitor C 11, one end of one end of the 8th resistance R 8, the tenth resistance R 10, the cathode terminal of one-way SCR Q2, trigger winding T1 2, (the elementary terminals of trigger winding T1 are 1 to 3 pin, 2 pin, secondary terminals are 3,4 pin, 1 pin and 4 pin are Same Name of Ends).The 8th resistance R 8 other ends connect the 7th resistance R 7 other ends, the anode tap of one-way SCR Q2, one end of the tenth capacitor C 10.The other end of the tenth capacitor C 10 connects 1 pin of trigger winding T1.The other end of one end of the 9th resistance R 9 and described the tenth resistance R 10, one end of the 9th capacitor C 9 are connected, and 3 pin of the other end of the 9th resistance R 9 and optocoupler G2 are connected.The other end of the 9th capacitor C 9 is connected with the trigger end of one-way SCR Q2.3 pin of trigger winding T1 are also connected with the negative pole end FLN of capacitance group, and the triggering input FTG of 4 pin of trigger winding T1 and xenon flash lamp light pipe is connected.
As shown in Figure 4, described logic control circuit is mainly by counter U1(74HC161) and NAND gate chip U2(74HC00 on another three NAND gate U2B, U2C, U2D) form.1 pin of counter U1 is connected with 9 pin of NAND gate U2, and is connected with flash trigger signal.2 pin of counter U1 and the square wave of clock CLK(50HZ) be connected.3,4,5,6 pin of counter U1 are all connected with power supply V50.8 pin of counter U1 are connected with power supply ground.9,10 pin of counter U1 are connected with power supply V50.11 pin of counter U1 are connected by 5 pin of the 15 resistance R 15 and NAND gate U2.12 pin of counter U1 are connected by 4 pin of the 14 resistance R 14 and NAND gate U2.13 pin of counter U1 are connected by 4 pin of the 13 resistance R 13 and NAND gate U2.14 pin of counter U1 are connected by 5 pin of the 12 resistance R 12 and NAND gate U2.15 pin of counter U1 are unsettled.16 pin of counter U1 are connected with power supply V50.67 pin of pin sum counter U1 of NAND gate U2,, 10 pin of NAND gate U2 are connected, and are connected with power supply V50 by the 16 resistance R 16.8 pin of NAND gate U2 are connected with 12 pin of NAND gate U2.13 pin of NAND gate U2 are connected with power supply V50.11 pin of NAND gate U2 are connected as 1 pin of controlling output CCH and silicon controlled toggle G1.
Claims (6)
1. high frequency high life intelligence xenon flash lamp controller, it is characterized in that: comprise the electromagnetic interface filter that exchanges being electrically connected to city, charging circuit, capacitance group, power supply and wave generator circuit, logic control circuit, circuits for triggering, flashing signal circuit for generating, the output of described interchange electromagnetic interface filter is connected with the input of charging circuit and power supply and wave generator circuit, the output of described charging circuit is connected to capacitance group, capacitance group is connected to circuits for triggering and xenon flash lamp light pipe provides electric energy, the output of described power supply and wave generator circuit is connected logic control circuit, the output of flashing signal circuit for generating connects logic control circuit and circuits for triggering, the output of circuits for triggering connects xenon flash lamp light pipe, described charging circuit completes the multiplication of voltage charging of capacitance group, described power supply and wave generator circuit include power circuit and wave generator circuit, described power circuit completes civil power to the conversion of DC supply, and wave generator circuit provides clock for logic control circuit, flashing signal circuit for generating produces flash trigger signal and is input to logic control circuit and circuits for triggering, by circuits for triggering, start once flash of light, logic control circuit is controlled the closed and disconnected of charge switch in charging circuit according to flash trigger signal, capacitance group Closing Switch after completing once flash of light is charged to capacitance group, and after capacitance group completes charging, turn off charge switch is in order to flash of light next time.
2. high frequency high life intelligence xenon flash lamp controller as claimed in claim 1, is characterized in that, described capacitance group is comprised of a plurality of high-voltage electrolytic capacitors, completes the storage of electric energy.
3. high frequency high life intelligence xenon flash lamp controller as claimed in claim 1, it is characterized in that, described charging circuit comprises: controllable silicon (Q1) and silicon controlled toggle (G1) model are MOC3081, one end of the 3rd resistance (R3) and the live wire that exchanges electromagnetic interface filter output, the anodic bonding of controllable silicon (Q1), and be connected with 6 pin of silicon controlled toggle (G1) by the second resistance (R2), the other end of the 3rd resistance (R3) is connected with one end of the first electric capacity (C1), the other end of the first electric capacity (C1) connects the anode tap of the first diode (D1), the cathode terminal of the 3rd diode (D3), the cathode terminal of controllable silicon (Q1), and by the 4th resistance (R4), be connected to the control end of controllable silicon (Q1), the control end of controllable silicon (Q1) is also connected to 4 pin of silicon controlled toggle (G1), 2 pin of silicon controlled toggle (G1) are connected to signal ground by the first resistance (R1), 1 pin of silicon controlled toggle (G1) as input pin be connected with the output of logic control circuit, the cathode terminal of the first diode (D1) connects the anode tap of the second diode (D2), and the second diode (D2) cathode terminal is connected as the output of charging circuit and the positive pole of capacitance group, the anode tap of the 3rd diode (D3) connects the cathode terminal of the 4th diode (D4), and the anode tap of the 4th diode (D4) is connected as the output of charging circuit and the negative pole of capacitance group, the anode tap of the 4th diode (D4) connects the cathode terminal of the 6th electric capacity (C6) positive pole and the 7th diode (D7), the 6th electric capacity (C6) negative pole end connects the negative pole end of the 7th electric capacity (C7), the cathode terminal of the anode tap of the 7th diode (D7), the 8th diode (D8), the positive terminal of the 7th electric capacity (C7) connects the cathode terminal of the 8th diode (D8), the anode tap of the negative pole end of the 8th electric capacity (C8), the 9th diode (D9), the positive terminal of the 8th electric capacity (C8) is connected with the 9th diode (D9) cathode terminal, and is connected with the zero line that exchanges electromagnetic interface filter output.
4. high frequency high life intelligence xenon flash lamp controller as claimed in claim 1, it is characterized in that, described capacitance group comprises: the second electric capacity (C2), the 3rd electric capacity (C3), the 4th electric capacity (C4), the 5th electric capacity (C5) and the 5th diode (D5), the 6th diode (D6); The cathode terminal of the positive terminal of the positive terminal of the second electric capacity (C2) and the 4th electric capacity (C4), the 5th diode (D5) is connected to form the positive terminal (FLP) of capacitance group output; The negative pole end of the negative pole end of the second electric capacity (C2) and the 4th electric capacity (C4), the anode tap of the 5th diode (D5), the positive terminal of the 3rd electric capacity (C3), the cathode terminal of the positive terminal of the 5th electric capacity (C5), the 6th diode (D6) are connected; The anode tap of the negative pole end of the negative pole end of the 3rd electric capacity (C3) and the 5th electric capacity (C5), the 6th diode (D6) is connected to form the negative pole end (FLN) of capacitance group output.
5. high frequency high life intelligence xenon flash lamp controller as claimed in claim 1, it is characterized in that, described circuits for triggering comprise: optocoupler (G2), one-way SCR (Q2) and trigger winding (T1), the flash trigger signal (TRC) of logic control circuit output connects the first input end of the first NAND gate (U2A), the second input of the first NAND gate (U2A) is connected with power supply (VCC), the output of the first NAND gate (U2A) is connected with the positive input terminal of optocoupler (G2), and the negative input end of optocoupler (G2) is by the 11 resistance (R11) ground connection; One end of the 5th resistance (R5) is connected with one end of the 7th resistance (R7), and be connected with the positive terminal of capacitance group, the 5th other end of resistance (R5) and the positive output end of optocoupler (G2), the positive terminal of the 11 electric capacity (C11), one end of the 6th resistance (R6) are connected, the other end of the 6th resistance (R6) connect the negative pole end of the 11 electric capacity (C11), one end of one end of the 8th resistance (R8), the tenth resistance (R10), elementary second end of the cathode terminal of one-way SCR (Q2), trigger winding (T1) and secondary the second end; The 8th resistance (R8) other end connects the 7th resistance (R7) other end, the anode tap of one-way SCR (Q2), one end of the tenth electric capacity (C10); The other end of the tenth electric capacity (C10) connects the elementary first end of trigger winding (T1); The other end of one end of the 9th resistance (R9) and described the tenth resistance (R10), one end of the 9th electric capacity (C9) are connected, and the other end of the 9th resistance (R9) is connected with the negative output terminal of optocoupler (G2); The other end of the 9th electric capacity (C9) is connected with the trigger end of one-way SCR (Q2); Secondary second end of trigger winding (T1) and the negative pole end of capacitance group are connected, and the secondary first end of trigger winding (T1) connects the triggering input of xenon flash lamp light pipe.
6. high frequency high life intelligence xenon flash lamp controller as claimed in claim 3, it is characterized in that, described logic control circuit comprises: counter (U1) model is 74HC161 and the second NAND gate (U2B), the 3rd NAND gate (U2C), the 4th NAND gate (U2D), 1 pin of counter (U1) is connected with the first input end of the 3rd NAND gate (U2C), and is connected with flash trigger signal, 2 pin of counter (U1) connect clock, 3 of counter (U1), 4, 5, 6, 9, 10, 16 pin all connect power supply, 8 pin of counter (U1) are connected with power supply ground, 11 pin of counter (U1) connect the second input of the second NAND gate (U2B) by the 15 resistance (R15), 12 pin of counter (U1) connect the first input end of the second NAND gate (U2B) by the 14 resistance (R14), 13 pin of counter (U1) connect the first input end of the second NAND gate (U2B) by the 13 resistance (R13), 14 pin of counter (U1) connect the second input of the second NAND gate (U2B) by the 12 resistance (R12), 7 pin of the output sum counter (U1) of the second NAND gate (U2B), the second input of the 3rd NAND gate (U2C) are connected, and are connected with power supply by the 16 resistance (R16), the output of the 3rd NAND gate (U2C) connects the first input end of the 4th NAND gate (U2D), the second input of the 4th NAND gate (U2D) is connected with power supply, and the output of the 4th NAND gate (U2D) is connected with 1 pin of silicon controlled toggle (G1) as controlling output.
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| CN201210479024.0A CN102938966B (en) | 2012-11-22 | 2012-11-22 | High-frequency and long-life intelligent xenon flash lamp controller |
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| CN201210479024.0A CN102938966B (en) | 2012-11-22 | 2012-11-22 | High-frequency and long-life intelligent xenon flash lamp controller |
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| CN102938966B true CN102938966B (en) | 2014-10-08 |
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| CN108650757B (en) * | 2018-03-28 | 2019-08-20 | 深圳可思美科技有限公司 | A kind of depilatory apparatus |
| CN109743509B (en) * | 2019-01-15 | 2021-01-05 | 上海曼恒数字技术股份有限公司 | Method and device for supplementing light for camera |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2246883Y (en) * | 1995-01-05 | 1997-02-05 | 张彦文 | Light controller of xenon major signal lamp |
| CN202043360U (en) * | 2011-05-03 | 2011-11-16 | 王安涛 | Improved circuit for flashing light |
| CN102540642A (en) * | 2010-12-10 | 2012-07-04 | 汉王科技股份有限公司 | Digital flash lamp and method for controlling flashing of digital flash lamp |
-
2012
- 2012-11-22 CN CN201210479024.0A patent/CN102938966B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2246883Y (en) * | 1995-01-05 | 1997-02-05 | 张彦文 | Light controller of xenon major signal lamp |
| CN102540642A (en) * | 2010-12-10 | 2012-07-04 | 汉王科技股份有限公司 | Digital flash lamp and method for controlling flashing of digital flash lamp |
| CN202043360U (en) * | 2011-05-03 | 2011-11-16 | 王安涛 | Improved circuit for flashing light |
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