CN211656442U

CN211656442U - Switch color temperature adjusting circuit

Info

Publication number: CN211656442U
Application number: CN202020525250.8U
Authority: CN
Inventors: 焦向辉; 王彦良
Original assignee: Imigy Lighting Electric Co Ltd
Current assignee: Imigy Lighting Electric Co Ltd
Priority date: 2020-04-12
Filing date: 2020-04-12
Publication date: 2020-10-09
Anticipated expiration: 2030-04-12

Abstract

The utility model discloses a switch color temperature adjusting circuit, including power, singlechip, LED lamp a and LED lamp b, power input end electric connection commercial power, power output end electric connection voltage detection module, just voltage detection module electric connection singlechip input end, just singlechip output end electric connection metal oxide semiconductor transistor Q2 and metal oxide semiconductor transistor Q3, metal oxide semiconductor transistor Q2 electric connection LED lamp a, metal oxide semiconductor transistor Q3 electric connection LED lamp b; a voltage detection module is arranged between a point A and a point B of the power output end, and the color temperatures of the LED lamp a and the LED lamp B are 3000k and 6000k respectively; the utility model discloses, through detecting conventional LED power output terminal voltage change, do different controls, realize the color temperature adjustment of LED lamps and lanterns, simple structure, general conventional LED power is all suitable for.

Description

Switch color temperature adjusting circuit

Technical Field

The utility model relates to an adjustable colour temperature LED lamps and lanterns field specifically is a switch mixing of colors temperature circuit.

Background

With the improvement of living standard of people, the color temperature adjustable lamp is more and more widely applied to daily life and work. In general, a special adaptive power supply needs to be developed to realize the function, the method has high cost and long development period, and the applicability is narrow after the power supply is developed; in view of the above, it is necessary to design a switching color temperature adjusting circuit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a switch mixing of colors temperature circuit changes through detecting conventional LED power output terminal voltage, does different control, realizes the colour temperature adjustment of LED lamps and lanterns, simple structure, and general conventional LED power is all suitable for.

The purpose of the utility model can be realized by the following technical scheme:

a switching color temperature adjusting circuit comprises a power supply, a single chip microcomputer, an LED lamp a and an LED lamp b, wherein the input end of the power supply is electrically connected with a mains supply, the output end of the power supply is electrically connected with a voltage detection module, the voltage detection module is electrically connected with the input end of the single chip microcomputer, the output end of the single chip microcomputer is electrically connected with a metal oxide semiconductor transistor Q2 and a metal oxide semiconductor transistor Q3, the metal oxide semiconductor transistor Q2 is electrically connected with the LED lamp a, and the metal oxide semiconductor transistor Q3 is electrically connected with the LED lamp b;

the LED lamp comprises a power supply output end, a voltage detection module, an LED lamp a, an LED lamp B and a power supply output end, wherein the voltage detection module is arranged between a point A and a point B, and the color temperatures of the LED lamp a and the LED lamp B are 3000k and 6000k respectively.

The utility model has the advantages that: the power supply is connected with a mains supply, when a switch S1 on the power supply is closed, the power supply starts to work, voltage between an output end A point output + and a B point output-is generated, when the switch S1 is disconnected, the voltage between the output end A point output + and the B point output-is reduced, the singlechip detects the voltage change between the output end A point output + and the B point output-through a voltage detection module to control the on-off states of the MOS transistor Q2 and the MOS transistor Q3, so as to realize the adjustment of the color temperature change of the lamp, and if the MOS transistor Q2 is switched on at the initial power-on, the LED lamp a is turned on, and at the moment, the switch S1 is switched off and switched on again within 6 seconds, the singlechip detects a switching signal, the voltage between the output end A point output + and the B point output-is changed from a high level to a low level and then to a high level, the next control state can be started by the single chip, for example, the metal oxide semiconductor transistor Q2 and the metal oxide semiconductor transistor Q3 are turned on simultaneously, the LED lamp a and the LED lamp b are turned on simultaneously, at the moment, the switch S1 is turned off again and is turned on again within 6 seconds, the single chip can detect a switching signal again, so that another control state is started again, when the single chip detects a switching signal, the next control state can be switched and sequentially alternated, different controls are performed by detecting the voltage change of the output end of the conventional LED power supply, the color temperature adjustment of the LED lamp is realized, the structure is simple, and the common conventional LED power supply is applicable.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is an overall front view of the present invention;

in the figure: 1. a power source; 2. a single chip microcomputer; 3. an LED lamp a; 4. and an LED lamp b.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1, a switching color temperature adjusting circuit includes a power supply 1, a single chip microcomputer 2, an LED lamp a3 and an LED lamp b4, wherein an input terminal of the power supply 1 is electrically connected to a commercial power, an output terminal of the power supply 1 is electrically connected to a voltage detection module, the voltage detection module is electrically connected to an input terminal of the single chip microcomputer 2, an output terminal of the single chip microcomputer 2 is electrically connected to a metal oxide semiconductor transistor Q2 and a metal oxide semiconductor transistor Q3, the metal oxide semiconductor transistor Q2 is electrically connected to the LED lamp a3, and the metal oxide semiconductor transistor Q3 is electrically connected to the LED lamp b 4;

a voltage detection module is arranged between the point A and the point B of the output end of the power supply 1, and the color temperatures of the LED lamp a3 and the LED lamp B4 are 3000k and 6000k respectively.

The utility model discloses a theory of operation: the power supply 1 is connected with a mains supply, when a switch S1 on the power supply 1 is closed, the power supply 1 starts to work, a voltage between an output end A point output + and a B point output-is generated, when a switch S1 is disconnected, the voltage between the output end A point output + and the B point output-is reduced, the singlechip 2 detects the voltage change between the output end A point output + and the B point output-through a voltage detection module to control the on-off states of the MOS transistor Q2 and the MOS transistor Q3 so as to realize the adjustment of the color temperature change of the lamp, and if the MOS transistor Q2 is turned on at the initial power-on and the LED lamp a3 is turned on, and at the moment, the switch S1 is turned off and turned on again within 6 seconds, the singlechip 2 detects a switching signal, the voltage between the output end A point output + and the B point output-is changed from a high level to a low level and then to a high level, the single chip microcomputer 2 will turn on the next control state, for example, the metal oxide semiconductor transistor Q2 and the metal oxide semiconductor transistor Q3 are turned on simultaneously, the LED lamp a3 and the LED lamp b4 are turned on simultaneously, at this time, the switch S1 is turned off again and is turned on again within 6 seconds, the single chip microcomputer 2 will detect a switching signal again, so as to turn on another control state again, when the single chip microcomputer 2 detects a switching signal, the next control state is switched, the switching is sequentially switched, different controls are made by detecting the voltage change of the output end of the conventional LED power supply, the color temperature adjustment of the LED lamp is realized, the structure is simple, and the general conventional LED power supply is applicable.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The switch color temperature adjusting circuit is characterized by comprising a power supply (1), a single chip microcomputer (2), an LED lamp a (3) and an LED lamp b (4), wherein the input end of the power supply (1) is electrically connected with a mains supply, the output end of the power supply (1) is electrically connected with a voltage detection module, the voltage detection module is electrically connected with the input end of the single chip microcomputer (2), the output end of the single chip microcomputer (2) is electrically connected with a metal oxide semiconductor transistor Q2 and a metal oxide semiconductor transistor Q3, the metal oxide semiconductor transistor Q2 is electrically connected with the LED lamp a (3), and the metal oxide semiconductor transistor Q3 is electrically connected with the LED lamp b (4);

wherein, power (1) output end is got and is set up voltage detection module between A point and the B point, LED lamp a (3) and LED lamp B (4) colour temperature are 3000k and 6000k respectively.