CN216673359U - A constant current dimming system for table lamps - Google Patents
A constant current dimming system for table lamps Download PDFInfo
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- CN216673359U CN216673359U CN202220121068.5U CN202220121068U CN216673359U CN 216673359 U CN216673359 U CN 216673359U CN 202220121068 U CN202220121068 U CN 202220121068U CN 216673359 U CN216673359 U CN 216673359U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
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Abstract
Description
技术领域technical field
本实用新型涉及台灯控制电路领域,特别涉及一种台灯用恒流调光系统。The utility model relates to the field of desk lamp control circuits, in particular to a constant current dimming system for desk lamps.
背景技术Background technique
台灯,一般指放在桌子上用的有底座的电灯,但随着科技的进步,台灯的外观、造型也在不断地发展,并逐渐出现了能够吸附在任意位置的磁吸式台灯,其小巧精致,方便携带。台灯的作用主要是照明,便于阅读、学习、工作等。Table lamps generally refer to electric lamps with bases that are placed on the table, but with the advancement of technology, the appearance and shape of table lamps are also constantly developing, and magnetic table lamps that can be attached to any position have gradually appeared. Delicate and easy to carry. The function of the desk lamp is mainly to illuminate, which is convenient for reading, learning, and work.
随着电学的发展,台灯的电路控制多采用触控亮度可调式电路,其工作原理为通过安装感应电极片,当人体触摸到感应电极片时,发送触摸信号借由脉动直流电产生脉冲信号传送至触摸输入模块,再由触摸输入模块将信号输送至主控单元,根据人体触摸到感应电极片的输入,通过内部电路调节灯条的电流,进而实现台灯亮度的无极调节,基于以上原理,我们提出一种台灯用恒流调光系统。With the development of electricity, the circuit control of desk lamps mostly adopts touch brightness adjustable circuit. Its working principle is that by installing the sensing electrode sheet, when the human body touches the sensing electrode sheet, the touch signal is sent by pulsating direct current to generate a pulse signal and transmit it to the Touch input module, and then the touch input module sends the signal to the main control unit. According to the input of the human body touching the sensing electrode, the current of the light bar is adjusted through the internal circuit, so as to realize the stepless adjustment of the brightness of the desk lamp. Based on the above principles, we propose A constant current dimming system for desk lamps.
实用新型内容Utility model content
本实用新型的主要目的在于提供一种台灯用恒流调光系统,可以有效通过触摸输入模块接受输入信号,并通过主控单元转化为PWM信号输送至恒流控制电路,由并通过恒流控制电路的恒流芯片、电感等元器件将PWM信号转换成连续线性的变化电流输出,实现灯光无频闪亮度调节效果。The main purpose of the present utility model is to provide a constant current dimming system for desk lamps, which can effectively accept input signals through a touch input module, and convert them into PWM signals through the main control unit and send them to a constant current control circuit, where the constant current controls The constant current chip, inductor and other components of the circuit convert the PWM signal into a continuous and linear changing current output to achieve the effect of frequency-free brightness adjustment of the light.
为实现上述目的,本实用新型采取的技术方案为:To achieve the above purpose, the technical scheme adopted by the present utility model is:
一种台灯用恒流调光系统,包括主控单元、触摸输入模块、按键灯板显示电路、恒流控制电路、亮灭控制电路和供电电路,所述触摸输入模块与主控单元信号输出端口电性连接,所述触摸输入模块用于将接受收入的控制信息并转化为电信号输入值主控单元,所述恒流控制电路和亮灭控制电路均与主控单元信号输出端口电性连接,所述恒流控制电路和亮灭控制电路信号输出端口均与灯条电性连接,所述恒流控制电路用于接受主控单元输出的PWM信号,并转化为连续线性的变化电流输出控制灯条亮度,所述亮灭控制电路用于接收主控单元输出的控制信号并控制灯条亮灭,所述按键灯板显示电路与主控单元信号输出端口电性连接,所述按键灯板显示电路与按键灯板电性连接,所述按键灯板显示电路用于根据据触摸输入模块的操作变化,同步按键灯板的亮灭变化,所述供电电路用于对调光系统进行供电。A constant current dimming system for a desk lamp, comprising a main control unit, a touch input module, a key light panel display circuit, a constant current control circuit, an on-off control circuit and a power supply circuit, the touch input module and the main control unit signal output port Electrically connected, the touch input module is used to convert the received control information into an electrical signal input value to the main control unit, the constant current control circuit and the on/off control circuit are both electrically connected to the signal output port of the main control unit , the signal output ports of the constant current control circuit and the on-off control circuit are both electrically connected to the light bar, and the constant current control circuit is used to accept the PWM signal output by the main control unit and convert it into a continuous linear variable current output control The brightness of the light bar, the on-off control circuit is used to receive the control signal output by the main control unit and control the light bar to turn on and off, the button light board display circuit is electrically connected with the signal output port of the main control unit, the button light board The display circuit is electrically connected with the key light board, the key light board display circuit is used for synchronizing the on-off changes of the key light board according to the operation change of the touch input module, and the power supply circuit is used for supplying power to the dimming system.
优选的,所述主控单元集成有MCU主控芯片和程序下载电路,所述程序下载电路与MCU主控芯片电性连接,所述程序下载电路用于将将编制好的逻辑程序烧录到MCU芯片内部。Preferably, the main control unit is integrated with an MCU main control chip and a program download circuit, the program download circuit is electrically connected with the MCU main control chip, and the program download circuit is used to burn the compiled logic program into Inside the MCU chip.
优选的,所述MCU主控芯片型号为YX23F01C。Preferably, the model of the MCU main control chip is YX23F01C.
优选的,所述恒流调光电路主芯片型号为XL3003E1。Preferably, the model of the main chip of the constant current dimming circuit is XL3003E1.
优选的,所述供电电路主芯片型号为78L05,所述供电电路用于将输入的DC 12V电压减压转换至DC 5V电压输出。Preferably, the model of the main chip of the power supply circuit is 78L05, and the power supply circuit is used to decompress and convert the input DC 12V voltage to DC 5V voltage output.
与现有技术相比,本实用新型具有如下有益效果:Compared with the prior art, the utility model has the following beneficial effects:
本实用新型中,通过设置的恒流控制电路可有效的将主控单元输送PWM控制信号转化为PWM信号输送至恒流控制电路,由并通过恒流控制电路的恒流芯片、电感等元器件将PWM信号转换成连续线性的变化电流输出至灯条,实现灯光无频闪亮度调节效果,同时设置有按键灯板显示电路用于进行灯条亮度的等级的显示,可有效的提示使用者当前的灯光亮度,便于使用者在灯光亮度调节时,对灯光亮度有量化的标准,便于使用者使用调节。In the present invention, the constant current control circuit provided by the main control unit can effectively convert the PWM control signal sent by the main control unit into the PWM signal and send it to the constant current control circuit. Convert the PWM signal into a continuous linear changing current and output it to the light bar to realize the effect of frequency-free brightness adjustment of the light. At the same time, a button light board display circuit is provided to display the brightness level of the light bar, which can effectively remind the user. The current light brightness is convenient for the user to have a quantitative standard for the light brightness when adjusting the light brightness, which is convenient for the user to use and adjust.
附图说明Description of drawings
图1是本实用新型的电路框图;Fig. 1 is the circuit block diagram of the present utility model;
图2是本实用新型的MCU主控芯片的电路图;Fig. 2 is the circuit diagram of the MCU main control chip of the present invention;
图3是本实用新型的恒流控制电路的电路图;Fig. 3 is the circuit diagram of the constant current control circuit of the present invention;
图4是本实用新型的亮灭控制电路的电路图;Fig. 4 is the circuit diagram of the on-off control circuit of the present utility model;
图5是本实用新型的按键灯板显示电路的电路图;Fig. 5 is the circuit diagram of the key light panel display circuit of the present invention;
图6是本实用新型的程序下载电路的电路图;Fig. 6 is the circuit diagram of the program download circuit of the present utility model;
图7是本实用新型的供电电路的电路图。FIG. 7 is a circuit diagram of the power supply circuit of the present invention.
具体实施方式Detailed ways
为使本实用新型实现的技术手段、创作特征、达成目的与功效易于明白了解,下面结合具体实施方式,进一步阐述本实用新型。In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.
如图1-7所示,一种台灯用恒流调光系统,包括主控单元、触摸输入模块、按键灯板显示电路、恒流控制电路、亮灭控制电路和供电电路,其触摸输入模块与主控单元信号输出端口电性连接,触摸输入模块用于将接受收入的控制信息并转化为电信号输入值主控单元,恒流控制电路和亮灭控制电路均与主控单元信号输出端口电性连接,恒流控制电路和亮灭控制电路信号输出端口均与灯条电性连接,恒流控制电路用于接受主控单元输出的PWM信号,并转化为连续线性的变化电流输出控制灯条亮度,亮灭控制电路用于接收主控单元输出的控制信号并控制灯条亮灭,按键灯板显示电路与主控单元信号输出端口电性连接,按键灯板显示电路与按键灯板电性连接,按键灯板显示电路用于根据据触摸输入模块的操作变化,同步按键灯板的亮灭变化,可有效的提示使用者当前的灯光亮度,便于使用者在灯光亮度调节时,对灯光亮度有量化的标准,便于使用者使用调节,供电电路用于对调光系统进行供电。As shown in Figure 1-7, a constant current dimming system for desk lamps includes a main control unit, a touch input module, a key light panel display circuit, a constant current control circuit, an on-off control circuit and a power supply circuit. The touch input module It is electrically connected with the signal output port of the main control unit. The touch input module is used to convert the received control information into electrical signal input value. Electrical connection, the signal output ports of the constant current control circuit and the on-off control circuit are all electrically connected to the light bar. The constant current control circuit is used to receive the PWM signal output by the main control unit and convert it into a continuous linear changing current output to control the light. The bar brightness, on-off control circuit is used to receive the control signal output from the main control unit and control the light bar to turn on and off. The key light board display circuit is used to synchronize the on-off changes of the key light board according to the operation change of the touch input module, which can effectively remind the user of the current light brightness, which is convenient for the user to adjust the light brightness when adjusting the light brightness. The brightness has a quantitative standard, which is convenient for users to use and adjust, and the power supply circuit is used to supply power to the dimming system.
主控单元集成有MCU主控芯片和程序下载电路,程序下载电路与MCU主控芯片电性连接,程序下载电路用于将将编制好的逻辑程序烧录到MCU芯片内部,MCU主控芯片型号为YX23F01C,MCU主控芯片根据编制好的软件逻辑实现产品全部功能,同时可以接收外部触摸按键信号的输入指令,控制不同功能运行。The main control unit integrates the MCU main control chip and the program download circuit. The program download circuit is electrically connected to the MCU main control chip. The program download circuit is used to burn the prepared logic program into the MCU chip. The model of the MCU main control chip For YX23F01C, the MCU main control chip realizes all the functions of the product according to the programmed software logic, and at the same time can receive input commands from external touch button signals to control the operation of different functions.
恒流调光电路主芯片型号为XL3003E1,恒流控制电路可有效的将主控单元输送PWM控制信号转化为PWM信号输送至恒流控制电路,由并通过恒流控制电路的恒流芯片、电感等元器件将PWM信号转换成连续线性的变化电流输出至灯条,实现灯光无频闪亮度调节效果。The model of the main chip of the constant current dimming circuit is XL3003E1. The constant current control circuit can effectively convert the PWM control signal sent by the main control unit into a PWM signal and send it to the constant current control circuit. And other components convert the PWM signal into a continuous linear changing current and output it to the light bar to achieve the effect of frequency-free brightness adjustment of the light.
供电电路主芯片型号为78L05,供电电路用于将输入的DC 12V电压减压转换至DC5V电压输出。The main chip model of the power supply circuit is 78L05, and the power supply circuit is used to decompress and convert the input DC 12V voltage to DC5V voltage output.
综上所述,本实用新型的优点在于:本实用新型提出一种新型的台灯用恒流调光系统,通过内置的恒流控制电路,实现PWM信号转换成连续线性的变化电流,实现灯光无频闪亮度调节,提高台灯护眼等级。To sum up, the advantages of the present utility model are as follows: the present utility model proposes a novel constant current dimming system for table lamps, through the built-in constant current control circuit, the PWM signal can be converted into a continuous linear changing current, and the light without Frequency brightness adjustment, improve the eye protection level of table lamps.
以上显示和描述了本实用新型的基本原理和主要特征和本实用新型的优点。本行业的技术人员应该了解,本实用新型不受上述实施例的限制,上述实施例和说明书中描述的只是说明本实用新型的原理,在不脱离本实用新型精神和范围的前提下,本实用新型还会有各种变化和改进,这些变化和改进都落入要求保护的本实用新型范围内。本实用新型要求保护范围由所附的权利要求书及其等效物界定。The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention The new model will also have various changes and improvements, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.
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