CN203827560U - LED stroboscopic and blasting flash circuit - Google Patents
LED stroboscopic and blasting flash circuit Download PDFInfo
- Publication number
- CN203827560U CN203827560U CN201420103553.5U CN201420103553U CN203827560U CN 203827560 U CN203827560 U CN 203827560U CN 201420103553 U CN201420103553 U CN 201420103553U CN 203827560 U CN203827560 U CN 203827560U
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- stroboscopic
- muscle
- sudden strain
- driver module
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- 238000005422 blasting Methods 0.000 title abstract 7
- 210000003205 muscle Anatomy 0.000 claims description 76
- 239000004065 semiconductor Substances 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 5
- 230000005669 field effect Effects 0.000 claims description 2
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000004220 muscle function Effects 0.000 description 3
- 238000009499 grossing Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000036962 time dependent Effects 0.000 description 2
- 241000227425 Pieris rapae crucivora Species 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model provides an LED stroboscopic and blasting flash circuit comprising a control module, a stroboscopic constant current driving module, a blasting flash driving module, an LED array and a power supply module. The control module respectively outputs a stroboscopic control signal and a blasting flash control signal. The stroboscopic constant current driving module drives the LED array according to the stroboscopic control signal. The blasting flash driving module drives the LED array according to the blasting flash control signal. The power supply module outputs an electric signal to the stroboscopic constant current driving module and the blasting flash driving module respectively. Compared with circuits in the prior art, original two power supplies used for supplying power are reduced to only one power supply used for supplying power so that cost is saved. Besides, a constant current driving chip is adopted so that product stability is enhanced and product service life is increased.
Description
Technical field
The utility model relates to monitoring field, relates in particular to the circuit of a kind of LED stroboscopic and quick-fried sudden strain of a muscle.
Background technology
Along with the increase of traffic pressure, monitoring camera is generally around-the-clock carrying out monitoring work, in the time that light condition is darker, conventionally needs light compensating lamp to come for camera light filling.Light compensating lamp, according to the difference of fluorescent tube, can be divided into LED light compensating lamp and gas light compensating lamp.LED light compensating lamp, with respect to early stage gas light compensating lamp, has the advantage such as energy-saving and environmental protection, long service life now, has obtained application more and more widely.
Light compensating lamp is divided into again stroboscopic lamp and flashing light according to purposes difference, and wherein stroboscopic lamp is for video light filling, and flashing light is used for capturing light filling, and both are indispensable.
Refer to Fig. 1, in prior art one, LED light compensating lamp is generally as stroboscopic lamp, and gas light compensating lamp is generally as flashing light.Its shortcoming is, LED light compensating lamp only can be realized stroboscopic function, and cannot in stroboscopic, realize quick-fried sudden strain of a muscle function.Therefore, the light filling that frequent flashing control circuit and quick-fried sudden strain of a muscle control circuit are conventionally separately controlled two light compensating lamps and carried out stroboscopic and quick-fried sudden strain of a muscle, but this obviously can increase production cost, and waste circuit space.
Refer to Fig. 2, in prior art two, although the LED light compensating lamp of part producer can have the function of stroboscopic and quick-fried sudden strain of a muscle simultaneously, although this scheme has realized stroboscopic and the quick-fried sudden strain of a muscle of LED, still Shortcomings part.First, LED stroboscopic driver module is that constant voltage is driving, and non-constant current drives, and therefore to the having relatively high expectations of power supply, as long as power supply slightly fluctuation, will change the operating current of LED, so the life-span to LED and long-term reliability have certain influence; Secondly, stroboscopic power supply and quick-fried lightning source need respectively to use independent Power supply, thereby cause the significantly increase of complex circuit designs degree and cost; Again, constant voltage control makes the stroboscopic electric current of LED cannot free adjustment, and the flexibility of overall control circuit is poor.
Utility model content
In view of this, the utility model provides a kind of LED stroboscopic and quick-fried lightning road, comprise stroboscopic driver module, quick-fried sudden strain of a muscle driver module, power module and LED array, by frequent flashing control signal driver stroboscopic driver module, making stroboscopic driver module driving power module is the power supply of LED array stroboscopic; Drive quick-fried sudden strain of a muscle driver module by quick-fried sudden strain of a muscle control signal, making quick-fried sudden strain of a muscle driver module driving power module is the quick-fried sudden strain of a muscle power supply of LED array; In the time that power module is the quick-fried sudden strain of a muscle power supply of LED array, provide the electric energy of LED array quick-fried sudden strain of a muscle of moment by storage capacitor.
Preferably, described stroboscopic driver module comprises constant-current driven chip, inductance and diode, and it is the power supply of LED array stroboscopic that described frequent flashing control signal makes stroboscopic driver module driving power module by the controlled pin of described constant-current driven chip; One end of described inductance connects described LED array, and the other end connects described stroboscopic driver module; Constant-current driven chip described in the anodic bonding of described diode, negative electrode connects described LED array.
Preferably, described stroboscopic driver module also comprises variable resistor, and described variable resistor one end connects the electric current of described constant-current driven chip and adjusts pin, other end ground connection.
Preferably, described quick-fried sudden strain of a muscle driver module is switching circuit.
Preferably, described switching circuit comprises metal oxide semiconductor field effect transistor metal-oxide-semiconductor, and described metal-oxide-semiconductor G grid is controlled by described quick-fried sudden strain of a muscle control signal, and D drain electrode connects described LED array, S source ground.
Preferably, described circuit also comprises one way conducting device, and the anode of described one way conducting device is connected with described quick-fried sudden strain of a muscle driver module, and negative electrode is connected with described stroboscopic driver module.
Preferably, described one way conducting device is diode.
Preferably, described power module connect the electric capacity that is not less than 50000 μ F.
Than prior art, the utility model can only use a power supply for frequent flashing control module and the power supply of quick-fried sudden strain of a muscle control module, drive with quick-fried sudden strain of a muscle and drive and make LED light compensating lamp can realize the function of stroboscopic, quick-fried sudden strain of a muscle by stroboscopic, therefore, the utility model is reduced to two original Power supplies only with a Power supply, thereby saved cost, and the constant-current driven chip adopting improves product stability and has increased useful life of product.
Brief description of the drawings
Fig. 1 is the LED stroboscopic circuit diagram of prior art one;
Fig. 2 is the LED stroboscopic of prior art two, quick-fried sudden strain of a muscle circuit diagram;
Fig. 3 is a kind of LED stroboscopic of providing of the utility model and the circuit block diagram of quick-fried sudden strain of a muscle;
Fig. 4 is the circuit diagram of a kind of LED stroboscopic and quick-fried sudden strain of a muscle in the utility model embodiment.
Embodiment
Illustrating the utility model below in conjunction with accompanying drawing realizes.
Referring to Fig. 3, is a kind of LED stroboscopic of providing of the utility model and the circuit block diagram of quick-fried sudden strain of a muscle.Described circuit comprises: power module 10, stroboscopic driver module 20, quick-fried sudden strain of a muscle driver module 30 and LED array 40, by frequent flashing control signal driver stroboscopic driver module 20, make stroboscopic driver module 20 driving power modules 10 for LED array 40 stroboscopic power supplies; Drive quick-fried sudden strain of a muscle driver module 30 by quick-fried sudden strain of a muscle control signal, make quick-fried sudden strain of a muscle driver module 30 driving power modules 10 for the quick-fried sudden strain of a muscle power supply of LED array 40; In the time that power module 10 is the quick-fried sudden strain of a muscle power supply of LED array 40, provide the electric energy of LED array quick-fried sudden strain of a muscle of moment by storage capacitor.
Than prior art, the utility model can only use a power supply for frequent flashing control module and the power supply of quick-fried sudden strain of a muscle control module, drive with quick-fried sudden strain of a muscle and drive and make LED light compensating lamp can there is the function of stroboscopic and quick-fried sudden strain of a muscle by stroboscopic, therefore, this power supply both provided energy for stroboscopic driver module, again for quick-fried lightning road provides energy, and not need to increase again extraly other power supplys, reduce the complexity of veneer, saved again the expense of power supply, reduced system cost.
In a preferred embodiment, described stroboscopic driver module 20 comprises constant-current driven chip, inductance and the first diode.Described frequent flashing control signal makes stroboscopic driver module 20 driving power modules 10 for LED array 40 stroboscopic power supplies by the controlled pin of described constant-current driven chip.Described constant-current driven chip, according to described frequent flashing control signal, is controlled the size of current of described constant-current driven chip output.Add after constant current control, circuit is reduced the requirement of power supply, due to the current constant of LED, also increased the useful life of LED.One end of described inductance connects described LED array 40, and the other end connects described stroboscopic driver module 20.Described the first diode anode connects described constant-current driven chip, and negative electrode connects described LED array 40.Described the first diode uses together with above-mentioned inductance, prevents electric current and voltage sudden change, and path is provided.Inductance can provide lasting electric current to load through it, in order to avoid the effect of smoothing current is played in load current sudden change.
Preferably, described stroboscopic driver module 20 also comprises variable resistor, and described variable resistor one end connects the electric current of described constant-current driven chip and adjusts pin, other end ground connection.As can be seen here, except constant-current driven chip, described variable resistor also can regulate the output current of stroboscopic driver module 20, has ensured the stability of this circuit.
Further, described quick-fried sudden strain of a muscle driver module 30 comprises switching circuit.In a preferred embodiment, described switching circuit comprises metal-oxide-semiconductor, and the described metal-oxide-semiconductor G utmost point is controlled by described quick-fried sudden strain of a muscle control signal, and the D utmost point connects described LED array 40, S utmost point ground connection.Described quick-fried sudden strain of a muscle driver module 30 is according to LED array 40 described in the control of described quick-fried sudden strain of a muscle control signal.When described quick-fried sudden strain of a muscle control signal is that while opening quick-fried glitch, described metal-oxide-semiconductor is conducting state, the circuit that makes power module 10, quick-fried sudden strain of a muscle driver module 30 and LED array 40 form is path; When described quick-fried sudden strain of a muscle control pin provides while closing quick-fried glitch, described metal-oxide-semiconductor is off-state, makes circuit that power module 10, quick-fried sudden strain of a muscle driver module 30 and LED array 40 form for opening circuit.
In a preferred embodiment, between described inductance and described quick-fried sudden strain of a muscle driver module 30, also connect an one way conducting device.Wherein, described one way conducting device can be the second diode, and the anode of described the second diode is connected with described quick-fried sudden strain of a muscle driver module 30, and negative electrode is connected with described inductance.Such design can ensure described quick-fried sudden strain of a muscle driver module 30 to keep apart with described stroboscopic driver module 20, avoids stroboscopic driver module 20 to be affected by described quick-fried sudden strain of a muscle driver module 30 change in voltage, thereby has protected inductance and constant-current driven chip.
Between the both positive and negative polarity of described power module 10 and connect the electric capacity that is not less than 50000 μ F.Wherein, and the electric capacity connecing do not limit number, and its electric capacity total amount is not less than 50000 μ F, in the time having two or more electric capacity, between electric capacity, is connected in parallel, then and receives between the both positive and negative polarity of described power module 10.Consider that electric capacity can steady operation, the rated voltage of electric capacity is greater than power supply maximum voltage conventionally.Add after large electric capacity, can provide quick-fried sudden strain of a muscle moment required energy.
Comprise 1 electric capacity as example taking the utility model power module below.Realization of the present utility model is described.
Referring to Fig. 4, is the circuit diagram of a kind of LED stroboscopic and quick-fried sudden strain of a muscle in the utility model embodiment.Wherein, in power module 10, only draw VIN power supply symbol, omitted detailed circuit, the actual output dc voltage of this power supply, be transformed by secondary power supply module, the size of magnitude of voltage is determined according to the size of the quantity of be connected in series LED, the quick-fried lightning flow valuve of needed LED.For example, when single LEDs produces the electric current of 5A, the voltage that need to be applied between LED anode and negative electrode is 5V, if so above LED array has been connected in series 5 LEDs, and needs the quick-fried lightning of 5A to flow, and VIN just needs 25V so.LED light compensating lamp in LED array in the utility model can be white light light compensating lamp, can be also infrared light compensating lamp, and than common white light light compensating lamp, the light filling effect of described infrared light compensating lamp is better.
It should be noted that between the output of described power supply VIN and GND and go back and connect a large capacitor C 1, C1 is conventionally greater than and equals 50000 μ F, could provide moment required energy for described quick-fried sudden strain of a muscle driver module 30.
Stroboscopic driver module 20 is made up of LED constant-current driven chip (constant current of LED drives the useful life that can greatly improve LED) and some capacitance resistance wares, can realize wide pressure input (operating current of LED does not change along with the variation of supply power voltage), constant current output, LED output current can flexible etc. function.In addition, in the circuit of stroboscopic driver module 20, also comprise inductance L 1 and diode D2.Inductance L 1 one end connects LED array 40, and the other end connects constant-current driven chip.Described stroboscopic driver module 20 also comprises diode D2, L1 described in described diode D2 anodic bonding, and negative electrode connects described LED array.Described diode D2 uses together with above-mentioned inductance L 1, prevents electric current and voltage sudden change, and path is provided.Inductance L 1 can provide lasting electric current to load through diode D2, in order to avoid the effect of smoothing current is played in load current sudden change.
The kind of described constant-current driven chip is a lot, the chip that in the present embodiment, preferably model is LM3414.The DIM pin of described constant-current driven chip LM3414 connects the frequent flashing control pin of CPU, can realize the constant current output control of specifying by software.
In addition stroboscopic electric current also can be regulated by variable resistor R1.Introduce in detail electric current regulative mode below, if regulate electric current by variable resistor R1, so corresponding different R1 value, the operating current of LED will be different, wherein I=3125/R1, if for example when R1=3125 Ω, I=1A, if when R1=6250 Ω, the I=0.5A(now voltage of DIM pin need to be greater than 2.5V); The mode of another software adjustment is more flexible, after R1 determines, the operating current of LED array can also be set by the size of the magnitude of voltage of LED constant-current driven chip DIM pin, if for example R1=3125 Ω, Imax=1A, in the time that the voltage of DIM pin changes between 0.5V～2.5V, the electric current of LED will be between (20%～100%) * Imax so, can according to actual needs, realize the setting to LED operating current by software.
Mainly being formed by high-power MOS tube T1 of quick-fried sudden strain of a muscle driver module 30, the G utmost point of metal-oxide-semiconductor T1 connects quick-fried sudden strain of a muscle control pin, S utmost point ground connection, the D utmost point connects LED array.Quick-fried sudden strain of a muscle driver module 30 is accepted the control of CPU, and CPU opens or closes metal-oxide-semiconductor by low and high level, thereby realizes the quick-fried sudden strain of a muscle function of LED array.The size of the quick-fried lightning of LED stream determines by input voltage VIN, and the quick-fried sudden strain of a muscle time is exported to the Time dependent of the high level of the G utmost point of metal-oxide-semiconductor T1 by CPU.
Between stroboscopic driver module 20 and quick-fried sudden strain of a muscle driver module 30, also connecting diode D1.Quick-fried sudden strain of a muscle driver module 30 described in the anodic bonding of described diode D1, negative electrode connects the inductance L 1 on stroboscopic constant-current driven module 20.Described diode D1 mainly plays the effect of stroboscopic and the isolation of quick-fried lightning road, prevents the 1 both end voltage sudden change of the quick-fried sudden strain of a muscle of LED moment inductance L, is used for protecting inductance L 1 and constant-current driven chip not to be damaged.
From upper figure, in the time that the described circuit of needs is realized LED stroboscopic function, CPU can transmit control signal to described constant-current driven chip LM3414 by frequent flashing control pin, makes described constant-current driven chip drive pin to drive described LED array to carry out stroboscopic with constant current through stroboscopic; In the time that the described circuit of needs is realized the quick-fried sudden strain of a muscle function of LED, CPU can transmit control signal to the G utmost point of metal-oxide-semiconductor T1 in described quick-fried sudden strain of a muscle driver module 30 by quick-fried sudden strain of a muscle control pin, described control signal is exactly a cut-in voltage (high level), the G utmost point of described metal-oxide-semiconductor T1 adds after cut-in voltage, make to start to form conducting channel between the S utmost point and the D utmost point, also just mean that described quick-fried sudden strain of a muscle driver module 30, power module 10 and LED array 40 have formed a path, now storage capacitor C1 also can discharge electric energy, amount of power supply is increased, to meet the electric weight requirement of the quick-fried sudden strain of a muscle of LED array; The time of quick-fried sudden strain of a muscle is the Time dependent that is sent cut-in voltage by CPU by quick-fried sudden strain of a muscle control pin to the G utmost point of metal-oxide-semiconductor T1 in described quick-fried sudden strain of a muscle driver module 30, when the voltage of the G utmost point lower than open threshold value time, conducting channel between the described S utmost point and the D utmost point will disconnect, and quick-fried sudden strain of a muscle is finished.
Than prior art, the utility model can only use a power supply for frequent flashing control module and the power supply of quick-fried sudden strain of a muscle control module, drive with quick-fried sudden strain of a muscle and drive and make LED light compensating lamp there is the function of stroboscopic and quick-fried sudden strain of a muscle by stroboscopic, therefore, this power supply is both for stroboscopic driver module provides energy, again for quick-fried lightning road provides energy, and not need to increase again extraly other power supplys, reduced the complexity of veneer, save again the expense of power supply, reduced system cost, and the constant-current driven chip adopting improves product stability and has increased useful life of product.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in the scope of the utility model protection.
Claims (8)
1. a LED stroboscopic and quick-fried lightning road, comprise stroboscopic driver module, quick-fried sudden strain of a muscle driver module, power module and LED array, it is characterized in that: by frequent flashing control signal driver stroboscopic driver module, described stroboscopic driver module comprises constant-current driven chip, and it is the power supply of LED array stroboscopic that described frequent flashing control signal makes stroboscopic driver module driving power module by the controlled pin of described constant-current driven chip; Drive quick-fried sudden strain of a muscle driver module by quick-fried sudden strain of a muscle control signal, making quick-fried sudden strain of a muscle driver module driving power module is the quick-fried sudden strain of a muscle power supply of LED array; In the time that power module is the quick-fried sudden strain of a muscle power supply of LED array, provide the electric energy of LED array quick-fried sudden strain of a muscle of moment by storage capacitor.
2. circuit as claimed in claim 1, is characterized in that: described stroboscopic driver module comprises inductance and diode, and one end of described inductance connects described LED array, and the other end connects described stroboscopic driver module; Constant-current driven chip described in the anodic bonding of described diode, negative electrode connects described LED array.
3. circuit as claimed in claim 1, is characterized in that, described stroboscopic driver module also comprises variable resistor, and described variable resistor one end connects the electric current of described constant-current driven chip and adjusts pin, other end ground connection.
4. circuit as claimed in claim 1, is characterized in that, described quick-fried sudden strain of a muscle driver module is switching circuit.
5. circuit as claimed in claim 4, is characterized in that, described switching circuit comprises metal oxide semiconductor field effect transistor metal-oxide-semiconductor, and described metal-oxide-semiconductor G grid is controlled by described quick-fried sudden strain of a muscle control signal, and D drain electrode connects described LED array, S source ground.
6. circuit as claimed in claim 1, is characterized in that, described circuit also comprises one way conducting device, and the anode of described one way conducting device is connected with described quick-fried sudden strain of a muscle driver module, and negative electrode is connected with described stroboscopic driver module.
7. circuit as claimed in claim 6, is characterized in that, described one way conducting device is diode.
8. circuit as claimed in claim 1, is characterized in that, described power module also connects the electric capacity that is not less than 50000 μ F.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103553.5U CN203827560U (en) | 2014-03-07 | 2014-03-07 | LED stroboscopic and blasting flash circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420103553.5U CN203827560U (en) | 2014-03-07 | 2014-03-07 | LED stroboscopic and blasting flash circuit |
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| CN203827560U true CN203827560U (en) | 2014-09-10 |
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| CN201420103553.5U Expired - Lifetime CN203827560U (en) | 2014-03-07 | 2014-03-07 | LED stroboscopic and blasting flash circuit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104244524A (en) * | 2014-09-12 | 2014-12-24 | 成都威邦科技有限公司 | Marine life raft energy-saving lamp based on pulse wave modulation and transformation |
| CN104244490A (en) * | 2014-09-12 | 2014-12-24 | 成都威邦科技有限公司 | Constant-current pulse life float energy saving system |
| CN108200349A (en) * | 2018-03-20 | 2018-06-22 | 浙江国自机器人技术有限公司 | A kind of POE power supplies camera |
| CN108363261A (en) * | 2018-03-19 | 2018-08-03 | 浙江国自机器人技术有限公司 | A kind of circuit realized camera and continuously taken pictures |
| CN110536506A (en) * | 2019-07-26 | 2019-12-03 | 浙江大华技术股份有限公司 | The quick-fried lightning road of LED stroboscopic |
| CN111542153A (en) * | 2020-05-26 | 2020-08-14 | 深圳爱克莱特科技股份有限公司 | LED lamp, dimming module of LED lamp and dimming method |
| CN111653101A (en) * | 2020-05-22 | 2020-09-11 | 浙江大华技术股份有限公司 | Vehicle snapshot method and vehicle snapshot system |
| CN117440555A (en) * | 2023-12-20 | 2024-01-23 | 杭州方千科技有限公司 | Circuit for controlling LED stroboscopic explosion and light supplementing device |
| CN108200349B (en) * | 2018-03-20 | 2024-05-17 | 浙江国自机器人技术有限公司 | POE power supply camera |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104244490A (en) * | 2014-09-12 | 2014-12-24 | 成都威邦科技有限公司 | Constant-current pulse life float energy saving system |
| CN104244490B (en) * | 2014-09-12 | 2016-11-30 | 青岛玉兰祥商务服务有限公司 | A kind of constant-current pulse life raft energy conserving system |
| CN104244524B (en) * | 2014-09-12 | 2016-11-30 | 青岛玉兰祥商务服务有限公司 | Marine life raft electricity-saving lamp based on the conversion of pulse wave modulation |
| CN104244524A (en) * | 2014-09-12 | 2014-12-24 | 成都威邦科技有限公司 | Marine life raft energy-saving lamp based on pulse wave modulation and transformation |
| CN108363261A (en) * | 2018-03-19 | 2018-08-03 | 浙江国自机器人技术有限公司 | A kind of circuit realized camera and continuously taken pictures |
| CN108200349B (en) * | 2018-03-20 | 2024-05-17 | 浙江国自机器人技术有限公司 | POE power supply camera |
| CN108200349A (en) * | 2018-03-20 | 2018-06-22 | 浙江国自机器人技术有限公司 | A kind of POE power supplies camera |
| CN110536506A (en) * | 2019-07-26 | 2019-12-03 | 浙江大华技术股份有限公司 | The quick-fried lightning road of LED stroboscopic |
| WO2021017397A1 (en) * | 2019-07-26 | 2021-02-04 | Zhejiang Dahua Technology Co., Ltd. | Led flashing circuit |
| US11903106B2 (en) | 2019-07-26 | 2024-02-13 | Zhejiang Dahua Technology Co., Ltd. | LED flashing circuit |
| CN111653101A (en) * | 2020-05-22 | 2020-09-11 | 浙江大华技术股份有限公司 | Vehicle snapshot method and vehicle snapshot system |
| CN111542153A (en) * | 2020-05-26 | 2020-08-14 | 深圳爱克莱特科技股份有限公司 | LED lamp, dimming module of LED lamp and dimming method |
| CN117440555A (en) * | 2023-12-20 | 2024-01-23 | 杭州方千科技有限公司 | Circuit for controlling LED stroboscopic explosion and light supplementing device |
| CN117440555B (en) * | 2023-12-20 | 2024-03-05 | 杭州方千科技有限公司 | Circuit for controlling LED stroboscopic explosion and light supplementing device |
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