CN105430843A - Anti-collision light circuit with LED constant-voltage and constant-current drive and stroboscopic control - Google Patents
Anti-collision light circuit with LED constant-voltage and constant-current drive and stroboscopic control Download PDFInfo
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- CN105430843A CN105430843A CN201510876022.9A CN201510876022A CN105430843A CN 105430843 A CN105430843 A CN 105430843A CN 201510876022 A CN201510876022 A CN 201510876022A CN 105430843 A CN105430843 A CN 105430843A
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- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The invention discloses an anti-collision light circuit with an LED constant-voltage and constant-current drive and a stroboscopic control. The anti-collision light circuit comprises a filter circuit unit, a drive circuit unit, a pulse signal generating circuit unit and a light-emitting diode group, wherein the filter circuit unit outputs an external input voltage to the drive circuit unit and the pulse signal generating circuit unit after filter processing; and the drive circuit unit controls the light-emitting diode group to work according to a pulse signal provided by the pulse signal generating circuit unit. The anti-collision light circuit has the advantages that power supply of an anti-collision light after filtering surge protection, voltage stabilization and voltage transformation by an additional anti-collision light control box is not needed; an on-board 28V DC power supply can directly supply electricity to the anti-collision light; the problem that an original anti-collision light cannot normally work in a wide input voltage range (18V-32V) can be effectively solved; and the light intensity of the anti-collision light can conform to the requirements of effective light intensity of an aviation red part in the wide input voltage range (18V-32V).
Description
Technical field
The present invention relates to a kind of anticollision beacon circuit with the driving of LED constant pressure and flow and frequent flashing control.
Background technology
Anticollision beacon system installs aboard for providing visual information in certain frequency scintillation mode awing, and warning aircraft, in ground or aerial position, to avoid collision.At present, existing LED anticollision beacon is mostly be not with stroboscopic and LED constant pressure and flow drive circuit, and circuit simply light-emitting diode connection in series-parallel add current-limiting resistance, function is simple, can not be used alone, anticollision beacon control box need be had to provide a stable pulse voltage to anticollision beacon, could work.Even if there are some not need the anticollision beacon that can work independently of control box to be also that circuit function is simple, when input voltage wide region, (18V-32V) light can not all meet the requirements by force.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of anticollision beacon circuit with the driving of LED constant pressure and flow and frequent flashing control, this circuit can solve the anticollision beacon operating voltage wide region narrow (generally at 25VDC ~ 31VDC) of directly being powered by 28VDC on machine effectively, the operating voltage range product brightness exceeding permission is just undesirable, requires that operating voltage range is the problem of 18VDC ~ 32VDC under can not meeting emergency condition.
In order to realize this purpose, technical scheme of the present invention is as follows: a kind of anticollision beacon circuit with the driving of LED constant pressure and flow and frequent flashing control, includes,
Filter circuit unit;
Drive circuit unit, preferably, drive circuit unit system constant pressure and flow is high-power, and further, drive circuit unit has resistance to surge voltage function;
Pulse signal generating circuit unit, preferably, pulse signal generating circuit unit has band carrying out surge protection function; And,
Light-emitting diode group;
Wherein, filter circuit unit will export to drive circuit unit and described pulse signal generating circuit unit after external input voltage filtering process, drive circuit unit controls the work of light-emitting diode group according to the pulse signal that pulse signal generating circuit unit provides, preferably ,+28V power supply on external input voltage system machine.
As a kind of preferred version with the anticollision beacon circuit of the driving of LED constant pressure and flow and frequent flashing control, filter circuit unit includes resistance RA1, electric capacity CX1 ~ CX2, electric capacity CY1 ~ CY2, inductance L A1 ~ LA3, wherein, one-stage low-pass wave circuit is formed by electric capacity CX1, electric capacity CX2, inductance L A1, form two-stage low-pass wave circuit by inductance L A2, inductance L A3, electric capacity CY1, electric capacity CY2, external input voltage exports through one-stage low-pass wave circuit, the backward drive circuit unit of two-stage low-pass wave circuit process and pulse signal generating circuit unit.
As a kind of preferred version with the anticollision beacon circuit of the driving of LED constant pressure and flow and frequent flashing control, the first end of the input voltage anode difference connecting resistance RA1 of external input voltage, the first end of electric capacity CX1, the first end of electric capacity CX2, the first input end of inductance L A1, second end of the input voltage negative terminal difference connecting resistance RA1 of external input voltage, second end of electric capacity CX1, second end of electric capacity CX2, second input of inductance L A1, first of inductance L A1 exports the first end of termination inductance L 2, second of inductance L A1 exports the first end of termination inductance L 3, the first end of the second termination capacitor CY1 of inductance L 2, the first end of the second termination capacitor CY2 of inductance L 3, second end of electric capacity CY1 and the second equal body contact body ground of end of electric capacity CY2, wherein, the output plus terminal of the second end system filter circuit unit of inductance L 2, the output negative terminal of the second end system filter circuit unit of inductance L 3.
As a kind of preferred version with the anticollision beacon circuit of the driving of LED constant pressure and flow and frequent flashing control, drive circuit unit includes power management chip U1, resistance R6 ~ R19, electric capacity C5 ~ C10, inductance L 1, diode D4 ~ D6, field effect transistor Q1 and field effect transistor Q2, wherein, the first end of the negative pole connecting resistance R19 of diode D4, the first end of the second termination capacitor C5 of resistance R19, the first end of resistance R6, the first end of resistance R8, the first end of inductance L 1 and the VIN end of power management chip U1, the second end first end of connecting resistance R7 and the SHDN/UVLO end of power management chip U1 respectively of resistance R6, the second end first end of connecting resistance R9 and the CTRL end of power management chip U1 respectively of resistance R8, second end of inductance L 1 connects the positive pole of diode D6 and the drain electrode of field effect transistor Q1 respectively, the first end of the negative pole difference connecting resistance R16 of diode D6, the first end of resistance R17, the ISP end of power management chip U1, the first end of resistance R14 and the first end of electric capacity C6, second end of resistance R14 connects the FB end of power management chip U1 and the first end of resistance R15 respectively, second end of ISN terminating resistor R17 of power management chip U1 and second end of resistance R16, the grid of the GATE termination field effect transistor Q1 of power management chip U1, the SENSE end of power management chip U1 connects the source electrode of field effect transistor Q1 and the first end of resistance R18 respectively, the grid of the PWMOUT termination field effect transistor Q2 of power management chip U1, the INTVCC end of power management chip U1 connects the first end of electric capacity C9 respectively, the first end of electric capacity C10 and the first end of resistance R10, the first end of the VC terminating resistor R13 of power management chip U1, the first end of the second termination capacitor C8 of resistance R13, the first end of the RT terminating resistor R12 of power management chip U1, the SS end of power management chip U1 connects the positive pole of diode D5 and the first end of electric capacity C7 respectively, the first end of the second terminating resistor R11 of electric capacity C7, the OPENLED end of power management chip U1 connects the negative pole of diode D5 and second end of resistance R10 respectively, second end of resistance R7, second end of electric capacity C5, second end of electric capacity C6, second end of resistance R15, second end of resistance R9, second end of resistance R18, the source electrode of field effect transistor Q2, second end of resistance R11, second end of resistance R12, second end of electric capacity C8, second end of electric capacity C9, second end of electric capacity C9, second end of electric capacity C10 and the GND of power management chip U1 hold equal ground connection, the input anode of the positive polar system drive circuit unit of diode D4, the ISN end of power management chip U1 is the output plus terminal of drive circuit unit, the drain electrode of field effect transistor Q2 is the output negative terminal of drive circuit unit, preferably, power management chip U1 system adopts constant current constant voltage control chip LT3756.
As a kind of preferred side with the anticollision beacon circuit of the driving of LED constant pressure and flow and frequent flashing control, pulse signal generating circuit unit includes time-base circuit chip N1, resistance R1 ~ R5, electric capacity C1 ~ C4, transient state killer tube TVS1, diode D1 ~ D3, Z1, the first end of the negative pole connecting resistance R1 of Z2, diode D1, the second end first end of connecting resistance R2 and negative pole of transient state killer tube TVS1 respectively of resistance R1, second end of resistance R2 connects the negative pole of diode Z1 respectively, the first end of resistance R3, the first end of electric capacity C1, the first end of electric capacity C2, the VCC end of time-base circuit chip N1 and RES end, second end of resistance R3 connects the positive pole of diode D2 respectively, the DIS end of the first end timely base circuit chip N1 of resistance R4, the negative pole of the second terminating diode D3 of resistance R4, the first end of electric capacity C3 connects the negative terminal of diode D2 respectively, the positive pole of diode D3, the THR end of time-base circuit chip N1 and TRI end, the first end of the CV termination capacitor C4 of time-base circuit chip N1, the first end of the OUT terminating resistor R5 of time-base circuit chip N1, the positive pole of diode Z2, second end of electric capacity C1, second end of electric capacity C2, second end of electric capacity C3, the GND of the second end timely base circuit chip N1 of electric capacity C4 holds equal ground connection, the input anode of the positive polar system pulse signal generating circuit of diode D1, the second end system pulse signal output end of resistance R5, and preferably, time-base circuit chip N1 system adopts SE555.
As a kind of preferred version with the anticollision beacon circuit of the driving of LED constant pressure and flow and frequent flashing control, light-emitting diode group includes three road light-emitting diode series circuits, 26, every road light-emitting diode.
Compared with prior art, advantage of the present invention is at least: after anticollision beacon foregoing circuit, power to anticollision beacon again after carrying out filtering carrying out surge protection, voltage stabilizing, voltage transformation without the need to other anticollision beacon control box, can be powered directly to anticollision beacon by 28VDC power supply on machine, the problem that when effectively can solve input voltage wide region, (18V ~ 32V) former anticollision beacon inequality can normally work, makes anticollision beacon light intensity (18V ~ 32V) Shi Junneng when input voltage wide region meet the requirement of the efficient intensity of aviation red part in the table 5 of GJB2020-1994.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the electrical block diagram of the filter circuit unit in Fig. 1.
Fig. 3 is the electrical block diagram of the drive circuit unit in Fig. 1.
Fig. 4 is the structural representation of the pulse signal generating circuit unit in Fig. 1.
Fig. 5 is the structural representation of the light-emitting diode group in Fig. 1.
Embodiment
By reference to the accompanying drawings the present invention is described in further detail below by concrete execution mode.
Refer to Fig. 1, filter circuit 1 one tunnel shown in figure is connected with the constant pressure and flow large-power light-emitting diodes drive circuit 2 of resistance to surge voltage, and another road is connected with the pulse signal generating circuit 3 of band carrying out surge protection; The constant pressure and flow large-power light-emitting diodes drive circuit 2 of resistance to surge voltage is connected with the pulse signal generating circuit 3 of band carrying out surge protection, light-emitting diode group circuit 4.
Whole circuit forms the anticollision beacon internal circuit not needing control box to drive.
After foregoing circuit, when input voltage wide region 18V ~ 32V, anticollision beacon light intensity can meet the requirement of the efficient intensity of aviation red part in the table 5 of GJB2020-1994, i.e. following table requirement.
As shown in Figure 2, be filter circuit of the present invention.
Filter circuit comprises resistance RA1, electric capacity CX1, CX2, CY1, CY2, inductance L A1, LA2, LA3.Resistance RA1 is the discharge resistance of differential mode capacitor on filter circuit, differential mode capacitor CX1, CX2 and common mode inductance LA1 form first order filter circuit, differential mode inductance LA2, LA3 and common mode capacitance CY1, CY2 form second level filter circuit, and secondary filter circuit forms low pass filter jointly.By needing filtering common and different mode signal frequency to calculate corresponding low pass filtered frequency breakover point in subsequent conditioning circuit, then have selected corresponding inductance capacitance value.Power input voltage after filtering circuit inputs to follow-up drive circuit and signal generating circuit after filtering out the interference signal of setting.And the interference signal produced when follow-up drive circuit and signal generating circuit work also can filter out by filtered circuit, all power supply can not be fed back to.Resistance RA1 is to the upper tension discharge of electric capacity CX1, CX2, and when product is not worked, on electric capacity, voltage has been released as early as possible.
As shown in Figure 3, be the constant pressure and flow large-power light-emitting diodes drive circuit (being hereinafter called for short drive circuit) of resistance to surge voltage of the present invention.
Drive circuit comprises power management chip U1, resistance R6 ~ R19, electric capacity C5 ~ C10, inductance L 1, diode D4 ~ D6, field effect transistor Q1, Q2.Power management chip U1 in drive circuit is a LED constant current Isobarically Control chip LT3756 of Linear company; The power supply wide ranges 6V ~ 100V of this chip, therefore the surge voltage to 80V50ms in GJB181-1986, chip inherently can resist, and separately need not add anti-surge circuit again, decreases the size of number of devices and product printed board; Operating frequency up to 1M, can be selected the energy storage inductor constant power device of corresponding just optional less size during high-frequency work voltage, also just decreases the size of product printed board.On be to be made up of chip LT3756 and its peripheral circuit by circuit; The constant current of the constant voltage and output current that can carry out output voltage is arranged, and has overvoltage and overcurrent duplicate protection, can be built into Boost, Buck, Buck-Boost, SPEIC, Flyback many kinds of Switching Power Supply topological mode to LED; In order to reduce use device, circuit can be put in the inner less space of anticollision beacon, selecting power management chip U1 to form device in the drive circuit of this patent and using minimum Boost Switching Power Supply topological mode.In drive circuit, R6 (1M Ω) and R7 (86.6k Ω) is provided with the work of chip power supply voltage starting and undervoltage turnoff protection point, according to formula V
iN, FALLING=1.24 × (R6+R7)/R7, calculates the startup working point that 15.6V is chip input voltage, guarantees that product normally can start work when input voltage 18V; In drive circuit, R16 (0.33 Ω) and R17 (0.33 Ω) is installed in parallel and is provided with chip output constant current point, according to formula I
lED=0.1/ (after R16 and R17 parallel connection resistance), calculating 0.61A is that chip is to the supply current of LED (constant current); In drive circuit, R14 (1M Ω) and R15 (23.2k Ω) is provided with chip and exports constant pressure point, according to formula V
oUT=1.25 × (R14+R15)/R15, calculating 55.1V is that chip is to the supply power voltage set-point (constant pressure point) of LED.In drive circuit, R12 (10k Ω) is provided with working frequency of chip is 1MHz, and high-frequency work can reduce energy storage inductor amount, optional less size power inductance.According to formula Rsense≤(V
iN× 0.07)/(V
lED× I
lED) be provided with the value of R18, optional 0.025 Ω; When having more the peripheral components work of chip U1 under limiting condition, electric current and voltage selects corresponding value and model.Drive circuit exports to light-emitting diode group circuit the voltage and current arranged, and makes light-emitting diode by the electric current set and voltage power supply, luminous.
As shown in Figure 4, be the pulse signal generating circuit (being hereinafter called for short signal generating circuit) of band carrying out surge protection of the present invention.
Signal generating circuit comprises time-base circuit N1, resistance R1 ~ R5, electric capacity C1 ~ C4, transient state killer tube TVS1, diode D1 ~ D3, Z1, Z2.R1 and TVS1 in signal generating circuit forms surging protection circuit, and current limliting dropping resistor R2 and voltage stabilizing didoe Z1, Z2 form the VCC operating voltage (being arranged on 12VDC) of subsequent conditioning circuit; In signal generating circuit, N1 is SE555 time-base circuit, R3, D2, C3 form charging circuit, R3, C3 are provided with the charging interval, C3, D3, R4 form discharge circuit, R4, C3 are provided with discharge time, C1, C2 are filtering shunt capacitances, R5 is signal output current limiting resistance, the signal produced exports to 8 pin of drive circuit chips U1, chip is made to follow work by the signal arranged in signal generating circuit, also make Light-Emitting Diode group circuit follow the pulse width time of the pulse voltage arranged in signal generating circuit and frequency glittering, even if anticollision beacon is glittering.
As shown in Figure 5, be light-emitting diode group circuit of the present invention.
Light-emitting diode group circuit comprises 3 road light-emitting diode series circuits, and route 26 light-emitting diode is composed in series, and has 78 light-emitting diode compositions.Because anticollision beacon needs level 180 ° of luminescences to have light intensity requirement, upper and lower 20 ° of vertical direction also has light intensity requirement, anticollision beacon light intensity requirement makes anticollision beacon structure also more special, series circuit need be selected for meeting when special construction makes light-emitting diode install, form circle luminosity scale, light-emitting diode fills a circle and needs 26 in luminosity scale side, in order to meet light intensity and redundancy requirement, need 3 luminosity scale superpositions to install, therefore need 78 light-emitting diodes altogether.
Below only have expressed embodiments of the present invention, it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (6)
1. there is an anticollision beacon circuit for the driving of LED constant pressure and flow and frequent flashing control, it is characterized in that, include,
Filter circuit unit;
Drive circuit unit, preferably, drive circuit unit system constant pressure and flow is high-power, and further, drive circuit unit has resistance to surge voltage function;
Pulse signal generating circuit unit, preferably, pulse signal generating circuit unit has band carrying out surge protection function; And,
Light-emitting diode group;
Wherein, filter circuit unit will export to drive circuit unit and described pulse signal generating circuit unit after external input voltage filtering process, drive circuit unit controls the work of light-emitting diode group according to the pulse signal that pulse signal generating circuit unit provides, preferably ,+28V power supply on external input voltage system machine.
2. a kind of anticollision beacon circuit with the driving of LED constant pressure and flow and frequent flashing control according to claim 1, it is characterized in that, filter circuit unit includes resistance RA1, electric capacity CX1 ~ CX2, electric capacity CY1 ~ CY2, inductance L A1 ~ LA3, wherein, by electric capacity CX1, electric capacity CX2, inductance L A1 forms one-stage low-pass wave circuit, by inductance L A2, inductance L A3, electric capacity CY1, electric capacity CY2 forms two-stage low-pass wave circuit, external input voltage is through one-stage low-pass wave circuit, the backward drive circuit unit of two-stage low-pass wave circuit process and pulse signal generating circuit unit export.
3. a kind of anticollision beacon circuit with the driving of LED constant pressure and flow and frequent flashing control according to claim 2, it is characterized in that, the first end of the input voltage anode difference connecting resistance RA1 of external input voltage, the first end of electric capacity CX1, the first end of electric capacity CX2, the first input end of inductance L A1, second end of the input voltage negative terminal difference connecting resistance RA1 of external input voltage, second end of electric capacity CX1, second end of electric capacity CX2, second input of inductance L A1, first of inductance L A1 exports the first end of termination inductance L 2, second of inductance L A1 exports the first end of termination inductance L 3, the first end of the second termination capacitor CY1 of inductance L 2, the first end of the second termination capacitor CY2 of inductance L 3, second end of electric capacity CY1 and the second equal body contact body ground of end of electric capacity CY2, wherein, the output plus terminal of the second end system filter circuit unit of inductance L 2, the output negative terminal of the second end system filter circuit unit of inductance L 3.
4. a kind of anticollision beacon circuit with the driving of LED constant pressure and flow and frequent flashing control according to claim 1, it is characterized in that, drive circuit unit includes power management chip U1, resistance R6 ~ R19, electric capacity C5 ~ C10, inductance L 1, diode D4 ~ D6, field effect transistor Q1 and field effect transistor Q2, wherein, the first end of the negative pole connecting resistance R19 of diode D4, the first end of the second termination capacitor C5 of resistance R19, the first end of resistance R6, the first end of resistance R8, the first end of inductance L 1 and the VIN end of power management chip U1, the second end first end of connecting resistance R7 and the SHDN/UVLO end of power management chip U1 respectively of resistance R6, the second end first end of connecting resistance R9 and the CTRL end of power management chip U1 respectively of resistance R8, second end of inductance L 1 connects the positive pole of diode D6 and the drain electrode of field effect transistor Q1 respectively, the first end of the negative pole difference connecting resistance R16 of diode D6, the first end of resistance R17, the ISP end of power management chip U1, the first end of resistance R14 and the first end of electric capacity C6, second end of resistance R14 connects the FB end of power management chip U1 and the first end of resistance R15 respectively, second end of ISN terminating resistor R17 of power management chip U1 and second end of resistance R16, the grid of the GATE termination field effect transistor Q1 of power management chip U1, the SENSE end of power management chip U1 connects the source electrode of field effect transistor Q1 and the first end of resistance R18 respectively, the grid of the PWMOUT termination field effect transistor Q2 of power management chip U1, the INTVCC end of power management chip U1 connects the first end of electric capacity C9 respectively, the first end of electric capacity C10 and the first end of resistance R10, the first end of the VC terminating resistor R13 of power management chip U1, the first end of the second termination capacitor C8 of resistance R13, the first end of the RT terminating resistor R12 of power management chip U1, the SS end of power management chip U1 connects the positive pole of diode D5 and the first end of electric capacity C7 respectively, the first end of the second terminating resistor R11 of electric capacity C7, the OPENLED end of power management chip U1 connects the negative pole of diode D5 and second end of resistance R10 respectively, second end of resistance R7, second end of electric capacity C5, second end of electric capacity C6, second end of resistance R15, second end of resistance R9, second end of resistance R18, the source electrode of field effect transistor Q2, second end of resistance R11, second end of resistance R12, second end of electric capacity C8, second end of electric capacity C9, second end of electric capacity C9, second end of electric capacity C10 and the GND of power management chip U1 hold equal ground connection, the input anode of the positive polar system drive circuit unit of diode D4, the ISN end of power management chip U1 is the output plus terminal of drive circuit unit, the drain electrode of field effect transistor Q2 is the output negative terminal of drive circuit unit, preferably, power management chip U1 system adopts constant current constant voltage control chip LT3756.
5. a kind of anticollision beacon circuit with the driving of LED constant pressure and flow and frequent flashing control according to claim 1, it is characterized in that, pulse signal generating circuit unit includes time-base circuit chip N1, resistance R1 ~ R5, electric capacity C1 ~ C4, transient state killer tube TVS1, diode D1 ~ D3, Z1, the first end of the negative pole connecting resistance R1 of Z2, diode D1, the second end first end of connecting resistance R2 and negative pole of transient state killer tube TVS1 respectively of resistance R1, second end of resistance R2 connects the negative pole of diode Z1 respectively, the first end of resistance R3, the first end of electric capacity C1, the first end of electric capacity C2, the VCC end of time-base circuit chip N1 and RES end, second end of resistance R3 connects the positive pole of diode D2 respectively, the DIS end of the first end timely base circuit chip N1 of resistance R4, the negative pole of the second terminating diode D3 of resistance R4, the first end of electric capacity C3 connects the negative terminal of diode D2 respectively, the positive pole of diode D3, the THR end of time-base circuit chip N1 and TRI end, the first end of the CV termination capacitor C4 of time-base circuit chip N1, the first end of the OUT terminating resistor R5 of time-base circuit chip N1, the positive pole of diode Z2, second end of electric capacity C1, second end of electric capacity C2, second end of electric capacity C3, the GND of the second end timely base circuit chip N1 of electric capacity C4 holds equal ground connection, the input anode of the positive polar system pulse signal generating circuit of diode D1, the second end system pulse signal output end of resistance R5, and preferably, time-base circuit chip N1 system adopts SE555.
6. a kind of anticollision beacon circuit with the driving of LED constant pressure and flow and frequent flashing control according to claim 1, it is characterized in that, light-emitting diode group includes three road light-emitting diode series circuits, 26, every road light-emitting diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876022.9A CN105430843B (en) | 2015-12-02 | 2015-12-02 | Anti-collision lamp circuit with LED constant voltage constant current drive and stroboscopic control |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510876022.9A CN105430843B (en) | 2015-12-02 | 2015-12-02 | Anti-collision lamp circuit with LED constant voltage constant current drive and stroboscopic control |
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| CN105430843B CN105430843B (en) | 2023-08-04 |
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| CN101022690A (en) * | 2006-02-13 | 2007-08-22 | 史俊生 | Electronic ballast |
| WO2010054523A1 (en) * | 2008-11-13 | 2010-05-20 | Shen Jinxiang | Combination of a drive power supply of high-power led lamp and matched lamps |
| CN102458012A (en) * | 2010-10-26 | 2012-05-16 | 海洋王照明科技股份有限公司 | LED stepless light-adjusting driving circuit and LED lamp |
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