CN210899757U

CN210899757U - LED switch electrodeless dimming driving power supply

Info

Publication number: CN210899757U
Application number: CN201920566226.6U
Authority: CN
Inventors: 张一浩; 王国强; 吴萍
Original assignee: Wuxi Xunchi Electronic Technology Co ltd
Current assignee: Wuxi Xunchi Electronic Technology Co ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-06-30
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a electrodeless drive power supply that adjusts luminance of LED switch, it includes switch, LED drive and LED lamps and lanterns its characterized in that, the switch inserts in commercial power L line, and commercial power L line connects LED lamps and lanterns after the LED drive. This novel electrodeless drive power supply that adjusts luminance of LED switch don't dimmer, don't need the remote controller, only through ordinary wall switch, just can control the luminance of LED lamps and lanterns, the user need not the circuit transformation, more need not vexation dimmer compatibility problem, makes things convenient for the house to use, more user saving cost.

Description

LED switch electrodeless dimming driving power supply

Technical Field

The utility model relates to a LED switch electrodeless dimming drive power supply, especially only use the switch to change the creation of LED lamps and lanterns luminance, no longer use the dimmer. In particular to a novel LED switch electrodeless dimming driving power supply.

Background

Lighting creates a visual environment by illuminating a particular object or larger area, which not only provides human visibility into the surrounding environment, but also creates the comfort, aesthetics, safety, etc. of the atmosphere of the lighting environment. The green lighting is provided, the energy-saving and environment-friendly concepts are emphasized, and the LED has the characteristics of high efficiency, long service life, no mercury hazard, no infrared and ultraviolet radiation, rich color, easiness in control and the like, so that the LED becomes an ideal light source in the field of green lighting.

The modern intelligent building not only has the functions of ensuring daily life, cultural entertainment, work and study and the like, but also can form different light scenes by matching brightness of different light circuits in different spaces through intelligent control on building illumination, build comfortable and elegant environmental atmosphere and enrich the needs of people on different occasions; meanwhile, the elegant art maintenance of the residents is supported by creating different lighting environments.

Although dimming is applied in a large range, the service life of an LED is shortened due to overlarge current of the LED, the lighting effect of the LED is seriously influenced by the problems of light attenuation and the like, LED fault detection is generally manual inspection, and the LED fault detection function is not realized. The total illumination of the environment cannot reach the illumination standard due to the light attenuation of the LED illumination and the damage of the lamp, so that the light attenuation compensation and the automatic fault detection become objective requirements; secondly, the dimmer shown in fig. 1 may still have some defects when used with conventional light sources, such as reducing the efficacy of incandescent lamps, impairing the lifetime of fluorescent lamps, etc.

The LED dimming power supply can be used for residential building illumination, art museum illumination, theater illumination, night scene illumination, intelligent building hotel illumination, commercial building illumination and office building illumination, is used as an illumination accessory for changing the luminous flux of an electric light source and adjusting the illumination intensity, and can be widely applied to occasions such as family illumination, theater stages, hotel rooms, venue exhibition halls and the like.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that exists among the background art, a electrodeless drive power supply that adjusts luminance of LED switch is proposed.

The technical scheme is as follows:

the LED switch electrodeless dimming driving power supply comprises a switch, an LED driver and an LED lamp, wherein the switch is connected into a mains supply L line, and the mains supply L line is connected with the LED lamp after being driven by the LED.

Specifically, the LED driver includes a single chip U1 and its auxiliary circuit:

a rectifier bridge D1, through which the mains supply outputs a dc voltage after passing through a rectifier bridge D1;

an inductor T1, a MOS tube Q1 and a third diode D3, wherein the drain electrode of the MOS tube Q1 is connected with the output end of a rectifier bridge D1, the gate electrode of the MOS tube Q1 is connected with a DRV pin of the singlechip U1, and the source electrode of the MOS tube Q1 is connected with a CS pin of the singlechip U1; the CS pin of the singlechip is connected with an inductor T1 to output voltage outwards on one hand, and is connected with the cathode of a third diode D3 on the other hand; the anode of the third diode D3 is connected to analog ground;

a first resistor R1, a second resistor R2 and a third resistor R3, wherein the first resistor R1, the second resistor R2 and the third resistor R3 are connected in series, the input end of the first resistor R1 is connected with the output end of the rectifier bridge D1, the output end of the third resistor R3 is connected with the CLK pin of the singlechip on one hand, and is connected with a digital ground after passing through a fifth resistor R5 on the other hand;

the GND pin of the singlechip U1 is connected with a digital ground, a switching voltage signal is sampled by the first resistor R1, the second resistor R2 and the third resistor R3 to be identified by the CLK pin, and pulses with continuously changing widths are output to adjust the brightness of the LED lamp.

Preferably, the LED driver further includes a second diode D2, a ninth resistor R9, and a fifth capacitor C5, an anode of the second diode D2 is connected to the coil of the inductor T1, a cathode of the second diode D2 is connected to one end of the ninth resistor R9, and the other end of the ninth resistor R9 is connected to the digital ground through the fifth capacitor C5, and is connected to a VDD pin of the single chip microcomputer U1 to form a power supply network for supplying power to the single chip microcomputer U1.

Preferably, the LED driver further includes a fourth resistor R4, and the fourth resistor R4 is connected between the ZCD pin of the single chip U1 and the anode of the second diode D2, and performs sampling detection protection on the inductor T1.

Preferably, the LED driver further comprises a third capacitor C3, and the third capacitor C3 is connected between the digital ground and the CLK pin of the single chip microcomputer.

Preferably, the LED driver further comprises a fourth capacitor C4, and the fourth capacitor C4 is connected between digital ground and the COMP pin of the single chip microcomputer.

Preferably, the LED driver further comprises a first capacitor C1, and the first capacitor C1 is connected between the analog ground and the output terminal of the rectifier bridge D1.

Preferably, the type of the integrated single chip microcomputer U1 is as follows: DG39R08A5U10 MP.

The beneficial effects of the utility model

This novel electrodeless drive power supply that adjusts luminance of LED switch don't dimmer, don't need the remote controller, only through ordinary wall switch, just can control the luminance of LED lamps and lanterns, the user need not the circuit transformation, more need not vexation dimmer compatibility problem, makes things convenient for the house to use, more user saving cost.

The utility model discloses need not to install the dimmer when using the power of adjusting luminance, break the loaded down with trivial details situation of using of traditional power of adjusting luminance, peripheral circuit is simple simultaneously, compares traditional power saving cost of adjusting luminance. The LED switch electrodeless dimming driving power supply is novel and brings a new selling point for the LED switch electrodeless dimming driving power supply with high cost performance.

Drawings

Fig. 1 is a block diagram of a conventional LED dimming power supply wiring method in the current market.

Fig. 2 is a block diagram of a wiring mode of the novel LED electrodeless dimming power supply.

Fig. 3 is a circuit diagram of the LED driving circuit of the present invention.

Detailed Description

The present invention will be further explained with reference to the following examples, but the scope of the present invention is not limited thereto:

referring to fig. 2, the LED switch electrodeless dimming driving power supply comprises a switch, an LED driver and an LED lamp, wherein the switch is connected to a commercial power L line, and the commercial power L line is connected to the LED lamp after being driven by the LED. The switch can be used as a switch, the LED brightness can be adjusted, the brightness change of the LED lamp can be realized only by pressing the switch, and a dimmer is not needed.

With reference to fig. 3, the LED driver includes a single-chip U1 and its auxiliary circuit:

the GND pin of the singlechip U1 is connected with a digital ground.

During specific work, a switching voltage signal is sampled by the first resistor R1, the second resistor R2 and the third resistor R3 to be identified by the CLK pin, and pulses with continuously changing widths are output to adjust the brightness of the LED lamp. The switch can be set to be turned ON for the first time, and the brightness of the LED lamp is increased from 10% to 100%; OFF-ON, the brightness is fixed at the OFF moment; and thirdly OFF-ON, the brightness of the LED lamp is increased to 100 percent from 10 percent.

Those skilled in the art can understand that all or part of the steps in the methods of the above embodiments can be completed by instructing the related hardware through circuit configuration, and the circuit configuration can be completed through a single chip or other integrated chips with similar functions, which is the prior art. The core utility model is characterized in that the overall structure layout of the system is designed, and the local control method can be completed by programming in the prior art; the local module connection can be realized by the prior art.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An LED switch electrodeless dimming driving power supply is characterized by comprising a switch, an LED driver and an LED lamp, wherein the switch is connected into a mains supply L line, and the mains supply L line is connected with the LED lamp after being driven by the LED; the LED drive comprises a singlechip U1 and an auxiliary circuit thereof:

the GND pin of the singlechip U1 is connected with a digital ground.

2. The LED switch electrodeless dimming driving power supply as claimed in claim 1, wherein the LED driver further comprises a second diode D2, a ninth resistor R9 and a fifth capacitor C5, wherein the anode of the second diode D2 is connected with the coil of the inductor T1, the cathode of the second diode D2 is connected with one end of a ninth resistor R9, and the other end of the ninth resistor R9 is connected with a digital ground through the fifth capacitor C5 on one hand and is connected with a VDD pin of the single chip U1 on the other hand to form a power supply network for supplying power to the single chip U1.

3. The LED switch electrodeless dimming driving power supply as claimed in claim 2, wherein the LED driver further comprises a fourth resistor R4, the fourth resistor R4 is connected between the ZCD pin of the singlechip U1 and the anode of the second diode D2, and the inductor T1 is subjected to sampling detection protection.

4. The LED switch electrodeless dimming driving power supply as claimed in claim 1, wherein the LED driver further comprises a third capacitor C3, and the third capacitor C3 is connected between digital ground and the CLK pin of the single chip microcomputer.

5. The LED switch electrodeless dimming driving power supply as claimed in claim 1, wherein the LED driver further comprises a fourth capacitor C4, and the fourth capacitor C4 is connected between digital ground and a COMP pin of the single chip microcomputer.

6. The LED switch electrodeless dimming driving power supply as claimed in claim 1, wherein the LED driver further comprises a first capacitor C1, the first capacitor C1 is connected between the analog ground and the output terminal of the rectifier bridge D1.

7. The LED switch electrodeless dimming driving power supply as claimed in claim 1, is characterized in that the type of the integrated single chip microcomputer U1 is as follows: DG39R08A5U10 MP.