Electronic color temperature adjusting circuit

• Main Author: BAI GUOHUI
• Format: Patent
• Language: Chinese; English
• Published: 03.04.2020
• Subjects: ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY

The utility model provides an electronic color temperature adjusting circuit, which comprises a color temperature control module, a color temperature adjusting module and at least two paths of lamp beads with different color temperatures, and is characterized in that the color temperature adjusting module is respectively connected with the color temperature control module and the lamp beads; the color temperature control module is used for receiving regulation and control information of a user and outputting PWM signals with different duty ratios to the color temperature regulation module according to the regulation and control information; and the color temperature adjusting module is used for changing the color temperature of the lamp according to the PWM signal sent by the color temperature control module. The electronic color temperature adjusting circuit provided by the utility model can meet different requirements of two or more paths of color temperatures, can perform on-off control on the LED lamp during color temperature adjustment, effectively solves the problem of dazzling of a user during operation, and has the advantages of being convenient to operate, long in servicelife and the like. 本实用新型提供一种电子调色温电路，包括：色温控制模块、色温调节模块和至少两路不同色温灯珠，所述色温调节模块分别与所述色温控制模块和灯珠连接；所述色温控制模块用于接收用户的调控信息，并根据所述调控信息向所述色温调节模块输出不同占空比的PWM信号；所述色温调节模块用于根据所述色温控制模块发送的PWM信号，改变灯具的色温。本实用新型一种电子调色温电路，可以实现两路或两路以上色温的不同需求，并且在调节色温时可对LED灯进行通断控制，有效地解决了用户在操作的时候刺眼的问题，具有操作方便、使用寿命长等优点。