CN216775073U

CN216775073U - Bipolar intelligent wall switch color temperature adjusting power supply without stroboflash

Info

Publication number: CN216775073U
Application number: CN202122711402.0U
Authority: CN
Inventors: 谢其伟; 刘进良
Original assignee: Shenzhen Zhengyuan Technology Co ltd
Current assignee: Shenzhen Zhengyuan Technology Co ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-06-17
Anticipated expiration: 2031-11-08

Abstract

The utility model discloses a bipolar non-stroboscopic intelligent wall switch color temperature adjusting power supply, which belongs to the technical field of LED power supplies and comprises a front stage, a rear stage, a switch color temperature adjusting terminal and LED positive and negative terminals, wherein the front stage consists of an input rectifying filter circuit, a boost PFC, a BP2636 chip U2, a transformer T1, an output rectifying filter circuit and a D3 rectifying output filter circuit, the rear stage consists of a BP3337 chip U1, a transformer T2 and an output rectifying filter circuit, the switch color temperature adjusting circuit consists of an S4120 chip U3, a Q1 and a Q2 circuit, and one end of the transformer T1 is electrically connected with the input rectifying filter circuit Energy saving, health and suitable light environment.

Description

Bipolar no stroboscopic intelligence wall switch mixing of colors temperature power

Technical Field

The utility model relates to the technical field of LED power supplies, in particular to a bipolar non-stroboscopic intelligent wall switch color temperature adjusting power supply.

Background

In the primary stage of intelligent lighting, a power wall switch is essential. The wall switch can be used for dimming and mixing color temperature control except for a power switch, and a wall switch mixing color temperature scheme is increasingly popularized in daily application, but the existing wall switch power supply can enable LED light to generate stroboflash under certain conditions.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a bipolar non-stroboscopic intelligent wall switch color temperature adjusting power supply, which can filter out ripples of light by using the intelligent non-stroboscopic wall switch color temperature adjusting power supply, and realize two or three color temperatures through a switch, so that the light is improved to meet scene illumination, and a more comfortable, cheap, safe, energy-saving, healthy and suitable light environment is developed.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A bipolar non-stroboscopic intelligent wall switch color temperature adjusting power supply comprises a front stage, a rear stage, a switch color temperature adjusting temperature and LED positive and negative terminals, wherein the front stage consists of an input rectifying filter circuit, a boost PFC, a BP2636 chip U2, a transformer T1, an output rectifying filter circuit and a D3 rectifying output filter circuit, the rear stage consists of a BP3337 chip U1, a transformer T2 and an output rectifying filter circuit, the switch color temperature adjusting consists of an S4120 chip U3, a Q1 and a Q2 circuit, AC power is supplied to the transformer T1 for energy storage after being input into the rectifying filter circuit, MOS switches are arranged in pins 5, 6, 7 and 8 of the BP2636 chip U2 continuously, the power is supplied to the transformer T2 for energy storage after being charged by a D3 rectifying output filter EC1 capacitor, the power is supplied to the output rectifying filter circuit after being continuously switched, the power is supplied to the output rectifying filter circuit after being switched on by a BP3337 chip U1 MOS tube, the S4120 chip U3, the Q1 and the Q2, the input rectifying filter circuit is connected with the T1 for color temperature adjusting, the other end of the transformer T1 is electrically connected with pins 5, 6, 7 and 8 of a BP2636 chip U2.

Furthermore, R3, R11, R12 and R13 in the EC1 electrolytic capacitor supply power to a 1 pin FB of a BP2636 chip U2, and a 3 pin VDD of the BP2636 chip U2 is supplied with power by a T2 auxiliary winding, R10, D5, R6 and D4.

Furthermore, the EC1 electrolytic capacitor is connected with one end of a transformer T2 for voltage storage, and the other end of the primary coil of the transformer T2 is connected with pins 5 and 6 of a built-in MOS tube in the U1 of the BP3337 chip.

Furthermore, the 3 pin FB of the BP3337 chip U1 is powered by R4, R5 and C7, and the 7 pin VCC of the BP3337 chip U1 is powered by T2 auxiliary windings R10, D5 and C5.

Furthermore, a first end of a secondary coil of the transformer T2 provides a signal for a pin 5 of the S4120 chip U3 through R17 and R21, a pin 6 of the S4120 chip U3 is powered by EC3, R15 and R16, a pin 1 of the Q1 and a pin 1 of the Q2 drive pins 1 and 3 of the S4120 chip U3 respectively, a pin 2 of the Q1 is connected with a negative terminal Y of an LED, a pin 2 of the Q2 is connected with a negative terminal W of the LED, a second end of the secondary coil of the transformer T2 is connected with a pin 3 of the Q1 of a negative electrode of an EC3 capacitor and a pin 3 of the Q2, and a first end of a secondary coil of the transformer T2 is connected with a diode D7 and rectified to an EC3 capacitor and connected with a positive terminal of the LED.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. the ripple is filtered out to light to the no stroboscopic wall switch mixing of colors temperature power supply of this scheme usable intelligence, realizes two kinds and three kinds of colour temperatures through the switch to this improves light in order to accord with the scene illumination, thereby develops more comfortable, cheap, safety, energy-conservation, healthy and suitable luminous environment.

Drawings

FIG. 1 is an overall circuit schematic of the present invention.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, a bipolar non-stroboscopic intelligent wall switch color temperature adjusting power supply comprises a front stage, a rear stage, a switch color temperature adjusting temperature and LED positive and negative terminals, wherein the front stage comprises an input rectification filter circuit, a boost PFC, a BP2636 chip U2, a transformer T1, an output rectification filter circuit and a D3 rectification output filter circuit, the rear stage comprises a BP3337 chip U1, a transformer T2 and an output rectification filter circuit, the switch color temperature adjusting circuit comprises an S4120 chip U3, a Q1 and a Q2 circuit, AC power is supplied to the transformer T1 for energy storage after the AC power is input into the rectification filter circuit, MOS continuous switches are arranged in pins 5, 6, 7 and 8 of a BP2636 chip U2, MOS continuous switches are arranged in pins D3 rectification output filter EC1 for power supply to the transformer T2 for energy storage after the D3 rectification filter EC1 is charged, MOS tubes are arranged in the BP3337 chip U1 for continuously switching power supply to the output rectification filter circuit, the output rectifier filter circuit for power supply through the positive electrode T73727 for color temperature adjustment through the S4120 chip U638, Q6 and Q2, the other end is connected with pins 5, 6, 7 and 8 of a BP2636 chip U2, R3, R11, R12 and R13 in an EC1 electrolytic capacitor supply power to pin 1 FB of a BP2636 chip U2, pin 3 VDD of a BP2636 chip U2 is powered by a T2 auxiliary winding, R10, D5, R6 and D4, an EC1 electrolytic capacitor is connected with one end of a transformer T2 for voltage energy storage, the other end of a transformer T2 primary coil is connected with pins 5 and 6 of a built-in MOS tube in a BP3337 chip U1, pin 3 FB of the BP3337 chip U1 is powered by R4, R5 and C7, pin VCC of the chip U1 is powered by auxiliary windings R1, D1 and C4 of T1, the first end of a transformer T4 secondary coil is powered by a pin 1, R1 and R1, and R1 and Q1 of a pin 1 of a chip 1, a pin 1 and a pin 1 of an EC1 and a driving pin Q1 and a driving pin of a chip, a driving pin 1 and a driving LED 1 of a chip Q1, the second end of the secondary coil of the transformer T2 is connected with the 3 pins of Q1 and Q2 of the cathode of the EC3 capacitor, and the first end of the secondary coil of the transformer T2 is connected with a diode D7 which is rectified to the EC3 capacitor and is connected with the anode terminal of the LED in a filtering mode.

The foregoing is only a preferred embodiment of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a bipolar no stroboscopic intelligence wall switch mixing of colors temperature power, includes preceding stage, back level, switch mixing of colors mild LED positive negative pole terminal, its characterized in that: the front stage comprises an input rectifying and filtering circuit, a boost PFC, a BP2636 chip U2, a transformer T1, an output rectifying and filtering circuit and a D3 rectifying and output filtering circuit, the rear stage comprises a BP3337 chip U1, a transformer T2 and an output rectifying and filtering circuit, the switch color temperature regulation comprises an S4120 chip U3, a Q1 and a Q2 circuit, one end of the transformer T1 is electrically connected with the input rectifying and filtering circuit, and the other end of the transformer T1 is electrically connected with pins 5, 6, 7 and 8 of the BP2636 chip U2.

2. The bipolar non-strobe intelligent wall switch color temperature adjusting power supply of claim 1, which is characterized in that: one end of the primary coil in the transformer T2 is electrically connected with the EC1 electrolytic capacitor, and the other end of the primary coil in the transformer T2 is electrically connected with the pins 5 and 6 of the built-in MOS tube in the U1 of the BP3337 chip.

3. The bipolar non-stroboscopic intelligent wall switch color temperature regulation power supply of claim 1, characterized in that: the first end of the secondary coil in the transformer T2 is electrically connected with the 5 pin of the S4120 chip U3 through R17 and R21, the 6 pin of the S4120 chip U3 is electrically connected with EC3, R15 and R16, the 1 pin of Q1 and the 1 pin of Q2 are respectively electrically connected with the 1 pin and the 3 pin of the S4120 chip U3, the 2 pin of Q1 is electrically connected with an LED negative electrode terminal Y, the 2 pin of Q2 is electrically connected with an LED negative electrode terminal W, the second end of the secondary coil in the transformer T2 is connected with the 3 pin of the Q1 of the EC3 capacitor negative electrode and the 3 pin of Q2, and the first end of the secondary coil in the transformer T2 is electrically connected with an LED positive electrode terminal.