CN103024999B - LED (Light-Emitting Diode) stroboscopic light supplement lamp - Google Patents

LED (Light-Emitting Diode) stroboscopic light supplement lamp Download PDF

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Publication number
CN103024999B
CN103024999B CN201210489060.5A CN201210489060A CN103024999B CN 103024999 B CN103024999 B CN 103024999B CN 201210489060 A CN201210489060 A CN 201210489060A CN 103024999 B CN103024999 B CN 103024999B
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CN
China
Prior art keywords
led
resistance
output
control circuit
circuit
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CN201210489060.5A
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Chinese (zh)
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CN103024999A (en
Inventor
王传根
邹建锋
金重星
吴一鸣
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深圳市蓝盾科技有限公司
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies
    • Y02B20/40Control techniques providing energy savings
    • Y02B20/42Control techniques providing energy savings based on timing means or schedule

Abstract

The invention discloses an LED (Light-Emitting Diode) stroboscopic light supplement lamp. The lamp comprises an LED constant-current driving circuit, an LED module and a control circuit, wherein the LED module is connected with the LED constant-current driving circuit; an output end of the control circuit is connected with a control signal input end of the LED constant-current driving circuit, and an input end of the control circuit is connected with an external control signal; the flashing time of the LED module is controlled by the control circuit; when the trigger time t of the external control signal is not more than a time threshold value t0 of the control circuit, the high level output time of the control circuit is t, and the LED constant-current driving circuit works synchronously with the external control signal; and when the trigger time t of the external control signal is more than the t0, the high level output time of the control circuit is t0, and the working time of the LED constant-current driving circuit is limited at the t0. According to the LED stroboscopic light supplement lamp, the flashing time of the LED module is limited by the control circuit, so that the lamp can be prevented from being excessively bright, the damage to the eyes of a driver is alleviated, and the service life of the lamp is prolonged. The LED stroboscopic light supplement lamp can be used for supplementing light for video shooting and snapshot in intelligent transportation systems of electronic polices, video bayonets and the like.

Description

LED stroboscopic light filling lamp

[technical field]

The present invention relates to road monitoring light compensating lamp, particularly relate to a kind of LED stroboscopic light filling lamp.

[background technology]

Traditional road monitoring light compensating lamp adopts xenon flash lamp as secondary light source.Xenon flash lamp adopts analog circuit to realize, and the time of wiring back is long, cannot meet the requirement of video light filling.Not only xenon flash lamp flash time can not accurately control, and discharge time is long, and brightness is high, and dazzle is serious, injures driver's eyes but also affects traffic safety, and light fixture also easy cause thermal damage excessively.

[summary of the invention]

The technical problem to be solved in the present invention is to provide and a kind ofly can prevents the LED stroboscopic light filling lamp that light fixture is excessively bright, temperature is too high.

The technical problem that the present invention will solve further is to provide a kind of LED stroboscopic light filling lamp being not easy cause thermal damage.

In order to solve the problems of the technologies described above, the technical solution used in the present invention is, a kind of LED stroboscopic light filling lamp, comprise constant current driver circuit for LED, LED module and control circuit, LED module connects constant current driver circuit for LED, the control signal input of the output termination constant current driver circuit for LED of control circuit, the input termination external control signal of control circuit; The controlled control circui of flash time of LED module, when the triggered time t of external control signal is not more than the time threshold t0 of control circuit, it is t that control circuit exports high level time, and constant current driver circuit for LED work is synchronous with external control signal; External control signal triggered time, t was greater than t0 time, control circuit export high level time be t0, the constant current driver circuit for LED operating time is limited in t0.

Above-described LED stroboscopic light filling lamp, when the temperature on LED module is too high, the time threshold t0 of control circuit reduces, and the constant current driver circuit for LED operating time shortens thereupon, and LED module stroboscopic light filling lamp average power reduces.

Above-described LED stroboscopic light filling lamp, comprises AC/DC change-over circuit and indicator light, the input of the output termination constant current driver circuit for LED of AC/DC change-over circuit; Indicator light connects the output of AC/DC change-over circuit.

Above-described LED stroboscopic light filling lamp, control circuit comprises 555 integrated circuits, the first resistance, the first electric capacity, the second resistance, the second electric capacity, the threshold value end of 555 integrated circuits and discharge end link together, and connect power supply by the first resistance, by the first capacity earth; The trigger end of 555 integrated circuits connects power supply by the second resistance, connects external control signal by the second electric capacity.

Above-described LED stroboscopic light filling lamp, control circuit comprises the 3rd electric capacity, the threshold value end of termination 555 integrated circuit of the 3rd electric capacity, another termination external control signal.

Above-described LED stroboscopic light filling lamp, control circuit comprises inverter, the input termination external control signal of inverter, and the output of inverter connects the trigger end of 555 integrated circuits by the second electric capacity, by the threshold value end connecing 555 integrated circuits of the 3rd electric capacity.

Above-described LED stroboscopic light filling lamp, signal control circuit comprises maximum lighting time control circuit, maximum lighting time, control circuit comprised temperature sensing circuit, voltage follower and subtracter, the input of the output termination voltage follower of temperature sensing circuit, the first input end of the output termination subtracter of voltage follower, second input termination reference voltage of subtracter, the control end of output termination 555 integrated circuit of subtracter.

Above-described LED stroboscopic light filling lamp, voltage follower comprises the first operational amplifier, the output of the first operational amplifier is the output of voltage follower, and in-phase input end is the input of voltage follower, the output of anti-phase input termination first operational amplifier.

Above-described LED stroboscopic light filling lamp, subtracter comprises the second operational amplifier, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance, and the resistance of the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance is equal; The in-phase input end of the second operational amplifier, by the 3rd grounding through resistance, connects reference voltage by the 5th resistance; The inverting input of one termination second operational amplifier of the 4th resistance, the output of another termination second operational amplifier; The inverting input of one termination second operational amplifier of the 6th resistance, the output of another termination voltage follower; The output of the second operational amplifier is as the control end of output termination 555 integrated circuit of subtracter.

Above-described LED stroboscopic light filling lamp, temperature sensing circuit comprises the 7th resistance and semistor, 7th resistance and rear 7th resistance one termination power of semistor serial connection, semistor one end ground connection, the 7th tie point between resistance and semistor is the output of temperature sensing circuit.Or temperature sensing circuit comprises temperature sensor, the output of temperature sensor is the output of temperature sensing circuit.

LED stroboscopic light filling lamp of the present invention is limited by the flash time of control circuit to LED, and light fixture can be prevented excessively bright, and temperature is too high, reduces the injury to driver's eyes, improves the useful life of light fixture.The present invention can be used for video capture in the intelligent transportation system such as electronic police and video bayonet socket and video capture light filling.

[accompanying drawing explanation]

Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.

Fig. 1 is the theory diagram of LED stroboscopic light filling lamp of the present invention.

Fig. 2 is the schematic diagram of LED stroboscopic light filling lamp embodiment 1 control circuit of the present invention.

Fig. 3 is the schematic diagram of LED stroboscopic light filling lamp embodiment 2 control circuit of the present invention.

[embodiment]

As shown in Figure 1, LED stroboscopic light filling lamp of the present invention comprises constant current driver circuit for LED, LED module, control circuit, AC/DC change-over circuit and ruddiness indicator light, LED module connects constant current driver circuit for LED, the control signal input of the output termination constant current driver circuit for LED of control circuit, the input termination external control signal of control circuit.The input of the output termination constant current driver circuit for LED of AC/DC change-over circuit.Ruddiness indicator light connects the output of AC/DC change-over circuit.

LED module is connected with heat-dissipating casing, and the temperature produced during work can be dispersed into air rapidly by heat-dissipating casing, can ensure LED module long-term work.

Constant current driver circuit for LED is installed in the power storehouse of heat-dissipating casing, and power storehouse and heat-dissipating casing are connected as a single entity, and ensures that the heat of power storehouse can distribute in time.

220V civil power is connected to the red led on LED module by AC/DC change-over circuit, after LED stroboscopic light filling lamp powers on, indicator light is bright, and prompting LED stroboscopic light filling lamp powers on normally.

As shown in Figure 1, the direct current exported through AC/DC change-over circuit enters constant current chip (constant current driver circuit for LED), constant current chip driving LED module, and when constant current chip PWM holds input high level, constant current chip work, LED module is bright.

As shown in Figure 1, Transistor-Transistor Logic level is connected to control circuit (signal controlling module), and signal controlling module output signal is held to the PWM of constant current chip, controls the switch of constant current chip, controls flash time and flashing rate;

The controlled circuit of flash time (signal controlling module) of LED module controls, when Transistor-Transistor Logic level triggered time t is not more than the time threshold t0 of signal controlling module, signal controlling module exports high level time t, constant current chip work is synchronous with triggering signal, i.e. the flash of light of LED module and shutter synchronization; The Transistor-Transistor Logic level triggered time, when being greater than t0, signal controlling module exported high level time t0, and the constant current chip operating time is limited in t0, and prevent stroboscopic light filling lamp excessively bright, temperature is too high, realized initiatively overheat protector.

When light fixture generation abnormal conditions; temperature is too high, and be positioned at temperature sensor feedback temperature information on LED module to control circuit (signal controlling module), the time threshold t0 of control circuit reduces; LED module stroboscopic light filling lamp average power reduces, and realizes passive overheat protector.

Ruddiness indicator light constructability and testing staff just can observe the electrifying condition of LED stroboscopic light filling lamp on the ground in time, as ruddiness indicator light does not work, can keep in repair LED stroboscopic light filling lamp in time.

The control circuit of the embodiment of the present invention 1 as shown in Figure 2, control circuit comprises 555 integrated circuit U1, resistance R1, electric capacity C1, resistance R2, electric capacity C2, electric capacity C3 and inverter U5, the threshold value end TH(6 pin of 555 integrated circuit U1) and discharge end DC(7 pin) link together, power supply is connect, by electric capacity C1 ground connection by resistance R1.The trigger end TR(2 pin of 555 integrated circuit U1) connect power supply by resistance R2, connect external control signal by electric capacity C2.

The threshold value end TH(6 pin of the one termination 555 integrated circuit U1 of electric capacity C3), another termination external control signal.

The input termination external control signal of inverter U5, the output of inverter U5 connects the trigger end TR(2 pin of 555 integrated circuit U1 by electric capacity C2), the threshold value end TH(6 pin meeting 555 integrated circuit U1 by electric capacity C3).

The default conditions of 555 integrated circuit U1 are that electric capacity C1 discharges for 0V, TR and TH pin is low level by DC pin.When the level of TR pin changes, electric capacity C1 starts charging, the output Q(3 pin of 555 integrated circuit U1) export high level, when electric capacity C1 charges to the setting voltage of CV pin, electric capacity C1 discharges by DC pin, the output Q(3 pin of U1) output low level.

When the effect of electric capacity C3 is the output signal generation rising change of the output of inverter U5, give electric capacity C1 boost charge in advance, make electric capacity C1 voltage reach setting voltage in advance, thus make the output Q(3 pin of U1) export in advance as low level, reduce the lighting time of LED module.

After 555 integrated circuit U1 trigger, the longest lighting time t0 is relevant with the time constant of resistance R1 and electric capacity C1, electric capacity C1 is charged by resistance R1, when C1 charges to setting voltage, 555 integrated circuit U1 bright light control signals (output high level) will terminate, 555 integrated circuit U1 output low levels.(R1*C1) larger, then the time of t0 is longer.

Resistance R2 is used for being drawn high by TR pin at ordinary times, prevents false triggering.

Signal control circuit also comprises maximum lighting time control circuit, maximum lighting time, control circuit comprised temperature sensing circuit, voltage follower and subtracter, the input of the output termination voltage follower of temperature sensing circuit, the first input end of the output termination subtracter of voltage follower, second input termination reference voltage REF of subtracter, the control end CV(5 pin of the output termination 555 integrated circuit U1 of subtracter).

The signal of voltage follower output temperature sensor U2 exactly, plays the power amplification effect of signal.Comprise operational amplifier U4, the output of operational amplifier U4 is the output of voltage follower, and the in-phase input end of operational amplifier U4 is the input of voltage follower, the output of the anti-phase input termination operational amplifier U4 of operational amplifier U4.

Subtracter comprises operational amplifier U3, resistance R3, resistance R4, resistance R5 and resistance R6, and the resistance of resistance R3, resistance R4, resistance R5 and resistance R6 is equal.The in-phase input end of operational amplifier U3, by resistance R3 ground connection, meets reference voltage REF by resistance R5.The inverting input of the one termination operational amplifier U3 of resistance R4, the output of another termination operational amplifier U3.The inverting input of the one termination operational amplifier U3 of resistance R6, the output of another termination voltage follower.The output of operational amplifier U3 is as the control end CV(5 pin of the output termination 555 integrated circuit U1 of subtracter).

Temperature sensing circuit is temperature sensor U2, can adopt LM50/LM60.The output VOUT of temperature sensor is the in-phase input end of the output termination operational amplifier U4 of temperature sensing circuit.

When the temperature of LED module raises, the output voltage V of temperature sensor sensor_outraise, the mode of rising is relevant with degree and sensor type, and the subtraction that operational amplifier U3 does is by V rEFdeduct V sensor_out, obtain the control end CV(5 pin of 555 integrated circuit U1) control voltage, when the temperature of LED module raises, the control end CV(5 pin of 555 integrated circuit U1) control voltage decline.The control end CV(5 pin of 555 integrated circuit U1) control voltage decline after the maximum duration of LED module bright light is reduced, realize the passive protection of LED module temperature.

The embodiment of the present invention 2 is only with the difference of embodiment 1, temperature sensing circuit is made up of resistance R7 and semistor RT1, resistance R7 mono-termination power after resistance R7 and semistor RT1 is connected in series, semistor RT1 one end ground connection, the tie point between resistance R7 and semistor RT1 is the in-phase input end of the output termination operational amplifier U4 of temperature sensing circuit.

The above embodiment of the present invention has the following advantages:

1. avoid the defects such as traditional xenon flash lamp light utilization is low, light pollution is serious, dazzle is high, the telegram in reply time is long.

2. signal controlling module achieves active and passive overheat protector; the accurate control of flash time and flashing rate can be realized; both reduce power consumption, LED stroboscopic light filling lamp can be made again to mate completely with camera shutter, meet video capture in the light filling demand of video capture.

3. LED module adding ruddiness indicator light can make construction and testing staff observe the electrifying condition of LED stroboscopic light filling at the scene in time, for construction and detection bring facility.

Claims (9)

1. a LED stroboscopic light filling lamp, it is characterized in that, comprise constant current driver circuit for LED, LED module and control circuit, LED module connects constant current driver circuit for LED, the control signal input of the output termination constant current driver circuit for LED of control circuit, the input termination external control signal of control circuit; The controlled control circui of flash time of LED module, when the triggered time t of external control signal is not more than the time threshold t0 of control circuit, it is t that control circuit exports high level time, and constant current driver circuit for LED work is synchronous with external control signal; External control signal triggered time, t was greater than t0 time, control circuit export high level time be t0, the constant current driver circuit for LED operating time is limited in t0; Control circuit comprises 555 integrated circuits, the first resistance, the first electric capacity, the second resistance and the second electric capacity, and the threshold value end of 555 integrated circuits and discharge end link together, and connects power supply by the first resistance, by the first capacity earth; The trigger end of 555 integrated circuits connects power supply by the second resistance, connects external control signal by the second electric capacity.
2. LED stroboscopic light filling lamp according to claim 1, is characterized in that, when the temperature on LED module is too high, the time threshold t0 of control circuit reduces, and the constant current driver circuit for LED operating time shortens thereupon, and LED module stroboscopic light filling lamp average power reduces.
3. LED stroboscopic light filling lamp according to claim 1, is characterized in that, comprises AC/DC change-over circuit and indicator light, the input of the output termination constant current driver circuit for LED of AC/DC change-over circuit; Indicator light connects the output of AC/DC change-over circuit.
4. LED stroboscopic light filling lamp according to claim 1, is characterized in that, control circuit comprises the 3rd electric capacity, the threshold value end of termination 555 integrated circuit of the 3rd electric capacity, another termination external control signal.
5. LED stroboscopic light filling lamp according to claim 1, it is characterized in that, control circuit comprises inverter, the input termination external control signal of inverter, the output of inverter connects the trigger end of 555 integrated circuits by the second electric capacity, by the threshold value end connecing 555 integrated circuits of the 3rd electric capacity.
6. LED stroboscopic light filling lamp according to claim 1, it is characterized in that, control circuit comprises maximum lighting time control circuit, maximum lighting time, control circuit comprised temperature sensing circuit, voltage follower and subtracter, the input of the output termination voltage follower of temperature sensing circuit, the first input end of the output termination subtracter of voltage follower, the second input termination reference voltage of subtracter, the control end of output termination 555 integrated circuit of subtracter.
7. LED stroboscopic light filling lamp according to claim 6, it is characterized in that, voltage follower comprises the first operational amplifier, the output of the first operational amplifier is the output of voltage follower, in-phase input end is the input of voltage follower, the output of anti-phase input termination first operational amplifier.
8. LED stroboscopic light filling lamp according to claim 6, it is characterized in that, subtracter comprises the second operational amplifier, the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance, and the resistance of the 3rd resistance, the 4th resistance, the 5th resistance and the 6th resistance is equal; The in-phase input end of the second operational amplifier, by the 3rd grounding through resistance, connects reference voltage by the 5th resistance; The inverting input of one termination second operational amplifier of the 4th resistance, the output of another termination second operational amplifier; The inverting input of one termination second operational amplifier of the 6th resistance, the output of another termination voltage follower; The output of the second operational amplifier is as the control end of output termination 555 integrated circuit of subtracter.
9. LED stroboscopic light filling lamp according to claim 6, it is characterized in that, temperature sensing circuit comprises the 7th resistance and semistor, 7th resistance and rear 7th resistance one termination power of semistor serial connection, semistor one end ground connection, the 7th tie point between resistance and semistor is the output of temperature sensing circuit; Or temperature sensing circuit comprises temperature sensor, the output of temperature sensor is the output of temperature sensing circuit.
CN201210489060.5A 2012-11-27 2012-11-27 LED (Light-Emitting Diode) stroboscopic light supplement lamp CN103024999B (en)

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CN103024999B true CN103024999B (en) 2015-02-04

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US9510415B1 (en) * 2015-11-30 2016-11-29 Analog Integrations Corporation AC LED lighting systems and control methods without flickering

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101320194A (en) * 2007-06-07 2008-12-10 鸿富锦精密工业(深圳)有限公司 Flash lamp control system and method
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
CN202475831U (en) * 2011-12-23 2012-10-03 惠州市华阳多媒体电子有限公司 Driving controlling means for LED device
CN202535603U (en) * 2012-04-09 2012-11-14 安徽双科测控技术有限责任公司 Intelligent traffic LED strobe and flash lamp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8456096B2 (en) * 2010-02-11 2013-06-04 Dongbu Hitek Co., Ltd. Thermally controlled driver/switching regulator, and methods of controlling and/or regulating a driver and/or switching regulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101320194A (en) * 2007-06-07 2008-12-10 鸿富锦精密工业(深圳)有限公司 Flash lamp control system and method
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
CN202475831U (en) * 2011-12-23 2012-10-03 惠州市华阳多媒体电子有限公司 Driving controlling means for LED device
CN202535603U (en) * 2012-04-09 2012-11-14 安徽双科测控技术有限责任公司 Intelligent traffic LED strobe and flash lamp

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