CN107740947B - Desk lamp using adjustable light controller - Google Patents

Desk lamp using adjustable light controller Download PDF

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Publication number
CN107740947B
CN107740947B CN201711152882.3A CN201711152882A CN107740947B CN 107740947 B CN107740947 B CN 107740947B CN 201711152882 A CN201711152882 A CN 201711152882A CN 107740947 B CN107740947 B CN 107740947B
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desk lamp
capacitor
resistor
light
main control
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CN107740947A (en
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李培森
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Jiangxi Xinheng Zhizao Optoelectronic Technology Co ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21SNON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S6/00Lighting devices intended to be free-standing
    • F21S6/002Table lamps, e.g. for ambient lighting
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • F21V23/007Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing
    • F21V23/009Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array enclosed in a casing the casing being inside the housing of the lighting device
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B45/00Circuit arrangements for operating light-emitting diodes [LED]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/30Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

本发明公开了一种应用可调节灯光控制器的台灯,包括控制底座、灯杆和灯泡,灯泡内部安装有LED光源,灯杆采用金属材质制成,控制底座的内部安装有灯光控制器,灯杆的内部设置有TP连接端口,灯光控制器包括供电电路和调节电路,调节电路的信号输入端与TP连接端口相连,使得人体可通过触摸灯杆实现台灯的亮度调节,无需为台灯添加TP触摸屏等信号输入设备,降低台灯的生产成本;台灯采用PWM调光方式,使得台灯不会产生LED色谱偏移现象,具有极高的调光精确度,另外,台灯具有多种无极调光模式,可实现智能调光,减小电能消耗,节能环保。

The invention discloses a desk lamp using an adjustable light controller, which includes a control base, a light pole and a light bulb. An LED light source is installed inside the light bulb. The light pole is made of metal. A light controller is installed inside the control base. There is a TP connection port inside the pole. The light controller includes a power supply circuit and a regulation circuit. The signal input end of the regulation circuit is connected to the TP connection port, so that the human body can adjust the brightness of the desk lamp by touching the lamp pole without adding a TP touch screen to the desk lamp. and other signal input devices to reduce the production cost of desk lamps; the desk lamp adopts PWM dimming method, so that the desk lamp will not produce LED chromatographic shift and has extremely high dimming accuracy. In addition, the desk lamp has a variety of stepless dimming modes, which can Realize intelligent dimming, reduce power consumption, save energy and protect the environment.

Description

一种应用可调节灯光控制器的台灯A desk lamp using an adjustable light controller

技术领域Technical field

本发明涉及一种照明灯具,特别是一种应用可调节灯光控制器的台灯。The invention relates to a lighting fixture, in particular to a desk lamp using an adjustable light controller.

背景技术Background technique

随着人们生活水平的上升,人们对室内装饰的要求也越来越高,台灯是一种灯具,用于室内照明和装饰,而许多台灯采用可控硅调光方式,但调光模式较为单一,并且调光过程中,台灯在低负载的状态下很容易因为维持电流不足而导致内部电路出现不稳定现象,另外,台灯采用的调光旋钮在长时间工作状态下很容易因温度过高而烧毁,若使用触摸屏,则会增加台灯的成本,降低了产品的市场竞争力。As people's living standards rise, people's requirements for interior decoration are getting higher and higher. Desk lamps are a kind of lamp used for indoor lighting and decoration. Many desk lamps use thyristor dimming, but the dimming mode is relatively single. , and during the dimming process, under low load conditions, the desk lamp can easily cause instability in the internal circuit due to insufficient maintaining current. In addition, the dimming knob used in the desk lamp can easily be overheated due to excessive temperature under long-term working conditions. Burned out, if a touch screen is used, it will increase the cost of the desk lamp and reduce the market competitiveness of the product.

发明内容Contents of the invention

为了克服现有技术的不足,本发明提供一种结构简单、生产成本低、外形美观的应用可调节灯光控制器的台灯。In order to overcome the shortcomings of the prior art, the present invention provides a desk lamp using an adjustable light controller that has a simple structure, low production cost, and beautiful appearance.

本发明解决其技术问题所采用的技术方案是:The technical solutions adopted by the present invention to solve the technical problems are:

一种应用可调节灯光控制器的台灯,包括控制底座、灯杆和灯泡,所述灯泡电连接所述灯杆的顶部,所述控制底座电连接所述灯杆的底部,所述灯杆采用金属材质制成,所述控制底座的内部安装有灯光控制器,所述灯杆的内部设置有TP连接端口,所述灯泡内部安装有LED光源。A desk lamp using an adjustable light controller, including a control base, a light pole and a light bulb. The light bulb is electrically connected to the top of the light pole. The control base is electrically connected to the bottom of the light pole. The light pole adopts Made of metal, a light controller is installed inside the control base, a TP connection port is installed inside the light pole, and an LED light source is installed inside the bulb.

所述灯光控制器包括供电电路和调节电路,所述供电电路为所述调节电路提供工作电压。The light controller includes a power supply circuit and a regulation circuit, and the power supply circuit provides an operating voltage for the regulation circuit.

所述供电电路包括稳压芯片U2、稳压二极管Z1、二极管D1、电阻R2、电容C4、电容C5和电容C6;所述稳压芯片U2的1引脚接地;所述稳压芯片U2的3引脚分两路,一路通过所述电容C5接地,另一路通过所述电容C6接地;所述电容C5与所述稳压芯片U2的2引脚间的节点输出3.3V电压;所述稳压芯片U2分两路,一路通过所述电容C4接地,另一路通过所述电阻R2接所述二极管D1的负极;所述二极管D1的正极接12V电压;所述稳压二极管的负极接所述电阻R2与所述稳压芯片U2间的节点,正极接地。The power supply circuit includes a voltage stabilizing chip U2, a voltage stabilizing diode Z1, a diode D1, a resistor R2, a capacitor C4, a capacitor C5 and a capacitor C6; pin 1 of the voltage stabilizing chip U2 is grounded; pin 3 of the voltage stabilizing chip U2 The pins are divided into two paths, one path is grounded through the capacitor C5, and the other path is grounded through the capacitor C6; the node between the capacitor C5 and the 2 pins of the voltage stabilizing chip U2 outputs a voltage of 3.3V; the voltage stabilization The chip U2 is divided into two circuits, one circuit is connected to the ground through the capacitor C4, and the other circuit is connected to the negative electrode of the diode D1 through the resistor R2; the positive electrode of the diode D1 is connected to the 12V voltage; the negative electrode of the Zener diode is connected to the resistor. The positive electrode of the node between R2 and the voltage stabilizing chip U2 is grounded.

所述调节电路包括主控芯片U1、MOS管Q1、电阻R1、电阻R3、电阻R4、电容C1、电容C2和电容C3;所述主控芯片的型号为D1582;所述主控芯片U1的1引脚依次通过所述电容C3、电容C1和电阻R1接所述TP连接端口;所述主控芯片U1的2引脚通过所述电容C2接地;所述主控芯片U1的3、7、8引脚悬空;所述主控芯片U1的4引脚接地;所述主控芯片U1的5引脚依次通过所述电阻R4和电阻R2接地;所述主控芯片U1的6引脚接所述供电电路输出的3.3V电压;所述MOS管Q1的G级接所述电阻R5与所述电阻R3间的节点;所述MOS管Q1的D极接所述LED光源;所述MOS管Q1的S极接地。The adjustment circuit includes a main control chip U1, MOS tube Q1, resistor R1, resistor R3, resistor R4, capacitor C1, capacitor C2 and capacitor C3; the model of the main control chip is D1582; the 1 of the main control chip U1 The pins are connected to the TP connection port through the capacitor C3, capacitor C1 and resistor R1 in sequence; pin 2 of the main control chip U1 is grounded through the capacitor C2; pins 3, 7 and 8 of the main control chip U1 The pin is floating; the 4-pin of the main control chip U1 is connected to the ground; the 5-pin of the main control chip U1 is connected to the ground through the resistor R4 and the resistor R2 in turn; the 6-pin of the main control chip U1 is connected to the The 3.3V voltage output by the power supply circuit; the G stage of the MOS tube Q1 is connected to the node between the resistor R5 and the resistor R3; the D pole of the MOS tube Q1 is connected to the LED light source; S pole is grounded.

本发明的有益效果是:本发明包括控制底座、灯杆和灯泡,灯泡内部安装有LED光源,灯杆采用金属材质制成,控制底座的内部安装有灯光控制器,灯杆的内部设置有TP连接端口,灯光控制器包括供电电路和调节电路,调节电路的信号输入端与TP连接端口相连,使得人体可通过触摸灯杆实现台灯的亮度调节,无需为台灯添加TP触摸屏等信号输入设备,降低台灯的生产成本;台灯采用PWM调光方式,使得台灯不会产生LED色谱偏移现象,具有极高的调光精确度,另外,台灯具有多种无极调光模式,可实现智能调光,减小电能消耗,节能环保。The beneficial effects of the present invention are: the present invention includes a control base, a light pole and a light bulb. An LED light source is installed inside the light bulb. The light pole is made of metal. A light controller is installed inside the control base. A TP is installed inside the light pole. connection port, the lighting controller includes a power supply circuit and a regulating circuit. The signal input terminal of the regulating circuit is connected to the TP connection port, so that the human body can adjust the brightness of the desk lamp by touching the lamp pole. There is no need to add a signal input device such as a TP touch screen to the desk lamp, which reduces The production cost of the desk lamp; the desk lamp adopts PWM dimming method, so that the desk lamp will not produce LED chromatographic shift and has extremely high dimming accuracy. In addition, the desk lamp has a variety of stepless dimming modes, which can realize intelligent dimming and reduce Small power consumption, energy saving and environmental protection.

附图说明Description of drawings

下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and examples.

图1是本发明的结构示意图;Figure 1 is a schematic structural diagram of the present invention;

图2是本发明的供电电路图;Figure 2 is a power supply circuit diagram of the present invention;

图3是本发明的调节电路图。Figure 3 is a regulating circuit diagram of the present invention.

具体实施方式Detailed ways

参照图1至图3,一种应用可调节灯光控制器的台灯,包括控制底座1、灯杆2和灯泡3,所述灯泡3电连接所述灯杆2的顶部,所述控制底座1电连接所述灯杆2的底部,所述灯杆2可采用铜等金属材质制成,所述控制底座1的内部安装有灯光控制器,所述灯杆2的内部设置有TP连接端口,所述灯泡3内部安装有LED光源。Referring to Figures 1 to 3, a desk lamp using an adjustable light controller includes a control base 1, a light pole 2 and a light bulb 3. The light bulb 3 is electrically connected to the top of the light pole 2. The control base 1 is electrically connected to the top of the light pole 2. Connected to the bottom of the light pole 2, the light pole 2 can be made of metal such as copper. A light controller is installed inside the control base 1. A TP connection port is provided inside the light pole 2. The light bulb 3 is equipped with an LED light source inside.

所述灯光控制器包括供电电路和调节电路,所述供电电路为所述调节电路提供3.3V电压,所述供电电路包括稳压芯片U2、稳压二极管Z1、二极管D1、电阻R2、电容C4、电容C5和电容C6;所述稳压芯片U2的1引脚接地;所述稳压芯片U2的3引脚分两路,一路通过所述电容C5接地,另一路通过所述电容C6接地;所述电容C5与所述稳压芯片U2的2引脚间的节点输出3.3V电压;所述稳压芯片U2分两路,一路通过所述电容C4接地,另一路通过所述电阻R2接所述二极管D1的负极;所述二极管D1的正极接12V电压;所述稳压二极管的负极接所述电阻R2与所述稳压芯片U2间的节点,正极接地。所述供电电路标准输入电压为12V,在实际使用当中,台灯的输入电压可在5V-24V的范围之内,并输出3.3V电压驱动所述调节电路内部的主控芯片U1,所述稳压芯片U2的型号为HT7533。The lighting controller includes a power supply circuit and a regulating circuit. The power supply circuit provides 3.3V voltage for the regulating circuit. The power supply circuit includes a voltage stabilizing chip U2, a voltage stabilizing diode Z1, a diode D1, a resistor R2, a capacitor C4, Capacitor C5 and capacitor C6; pin 1 of the voltage stabilizing chip U2 is grounded; pin 3 of the voltage stabilizing chip U2 is divided into two paths, one path is grounded through the capacitor C5, and the other path is grounded through the capacitor C6; so The node between the capacitor C5 and the 2 pins of the voltage stabilizing chip U2 outputs a voltage of 3.3V; the voltage stabilizing chip U2 is divided into two paths, one path is connected to the ground through the capacitor C4, and the other path is connected to the ground through the resistor R2 The cathode of the diode D1; the anode of the diode D1 is connected to the 12V voltage; the cathode of the voltage stabilizing diode is connected to the node between the resistor R2 and the voltage stabilizing chip U2, and the anode is connected to ground. The standard input voltage of the power supply circuit is 12V. In actual use, the input voltage of the desk lamp can be in the range of 5V-24V, and the output voltage is 3.3V to drive the main control chip U1 inside the adjustment circuit. The voltage stabilization The model number of chip U2 is HT7533.

所述调节电路包括主控芯片U1、MOS管Q1、电阻R1、电阻R3、电阻R4、电容C1、电容C2和电容C3;所述主控芯片的型号为D1582;所述主控芯片U1的1引脚依次通过所述电容C3、电容C1和电阻R1接所述TP连接端口;所述主控芯片U1的2引脚通过所述电容C2接地;所述主控芯片U1的3、7、8引脚悬空;所述主控芯片U1的4引脚接地;所述主控芯片U1的5引脚依次通过所述电阻R4和电阻R2接地;所述主控芯片U1的6引脚接所述供电电路输出的3.3V电压;所述MOS管Q1的G级接所述电阻R5与所述电阻R3间的节点;所述MOS管Q1的D极接所述LED光源;所述MOS管Q1的S极接地。人体触摸灯杆,携带的电容信号从所述TP连接端口传入所述调节电路中,主控芯片U1接收后送出PWM信号至所述MOS管Q1,让MOS管Q1工作于开关状态,从而快速地开关LED光源,实现调光功能。The adjustment circuit includes a main control chip U1, MOS tube Q1, resistor R1, resistor R3, resistor R4, capacitor C1, capacitor C2 and capacitor C3; the model of the main control chip is D1582; the 1 of the main control chip U1 The pins are connected to the TP connection port through the capacitor C3, capacitor C1 and resistor R1 in sequence; pin 2 of the main control chip U1 is grounded through the capacitor C2; pins 3, 7 and 8 of the main control chip U1 The pin is floating; the 4-pin of the main control chip U1 is connected to the ground; the 5-pin of the main control chip U1 is connected to the ground through the resistor R4 and the resistor R2 in turn; the 6-pin of the main control chip U1 is connected to the The 3.3V voltage output by the power supply circuit; the G stage of the MOS tube Q1 is connected to the node between the resistor R5 and the resistor R3; the D pole of the MOS tube Q1 is connected to the LED light source; S pole is grounded. When the human body touches the light pole, the capacitance signal carried is transmitted from the TP connection port to the adjustment circuit. After receiving it, the main control chip U1 sends the PWM signal to the MOS tube Q1, allowing the MOS tube Q1 to work in the switching state, thereby quickly Ground switch LED light source to achieve dimming function.

在本实施例中,所述调节电路输出的工作频率为20KHZ,台灯5%的照明亮度为台灯最小照明亮度,台灯在接电状态下,主要实现的无极调光模式如下:In this embodiment, the operating frequency of the adjustment circuit output is 20KHZ, and 5% of the lighting brightness of the desk lamp is the minimum lighting brightness of the desk lamp. When the desk lamp is powered on, the main stepless dimming mode is as follows:

1、开关模式:短触摸TP触摸点(人体触摸金属灯杆持续时间小于550Ms)时,实现台灯ON/OFF(开/关)功能;1. Switch mode: When the TP touch point is briefly touched (the duration of the human body touching the metal lamp pole is less than 550Ms), the desk lamp ON/OFF (on/off) function is realized;

2、调光模式:台灯采用渐变方式对台灯进行调光,长触摸(触摸持续时间大于550Ms)TP触摸点时,台灯会逐渐增强照明亮度,若停止触摸,台灯的照明亮度停止增强,若再次对台灯实行长触摸,台灯的照明亮度逐渐减弱;2. Dimming mode: The desk lamp uses a gradient method to dim the desk lamp. When the TP touch point is touched for a long time (the touch duration is greater than 550Ms), the desk lamp will gradually increase the lighting brightness. If the touch is stopped, the lighting brightness of the desk lamp will stop increasing. If the touch point is touched again, the lighting brightness will stop. If you touch the desk lamp for a long time, the lighting brightness of the desk lamp will gradually weaken;

3、保持模式:当台灯处于调光模式下,照射亮度改变至最高或最低时,台灯停止亮度调节,保持当前亮度输出,若再次对台灯实行长触摸,可让台灯进入调光模式;3. Hold mode: When the desk lamp is in the dimming mode and the illumination brightness changes to the highest or lowest level, the desk lamp stops adjusting the brightness and maintains the current brightness output. If you perform a long touch on the desk lamp again, the desk lamp can enter the dimming mode;

4、记忆模式:台灯重启后的光照亮度与重启前相同。4. Memory mode: The brightness of the desk lamp after restarting is the same as before restarting.

本发明采用PWM调光方式,使得台灯不会产生LED色谱偏移现象,具有极高的调光精确度;所述调节电路的信号输入端与TP连接端口相连,使得人体可通过触摸灯杆实现台灯的亮度调节,无需为台灯添加TP触摸屏等信号输入设备,降低台灯的生产成本,另外,台灯具有多种无极调光模式,可实现智能调光,减小电能消耗,节能环保。The present invention adopts PWM dimming mode, so that the desk lamp will not produce LED chromatographic shift phenomenon and has extremely high dimming accuracy; the signal input end of the adjustment circuit is connected to the TP connection port, so that the human body can achieve the desired effect by touching the lamp pole. To adjust the brightness of the desk lamp, there is no need to add signal input devices such as TP touch screens to the desk lamp, which reduces the production cost of the desk lamp. In addition, the desk lamp has a variety of stepless dimming modes, which can realize intelligent dimming, reduce power consumption, and is energy-saving and environmentally friendly.

以上的实施方式不能限定本发明创造的保护范围,专业技术领域的人员在不脱离本发明创造整体构思的情况下,所做的均等修饰与变化,均仍属于本发明创造涵盖的范围之内。The above embodiments do not limit the scope of protection of the present invention. Equal modifications and changes made by those in the technical field without departing from the overall concept of the present invention still fall within the scope of the present invention.

Claims (1)

1.一种应用可调节灯光控制器的台灯,包括控制底座(1)、灯杆(2)和灯泡(3),所述灯泡(3)电连接所述灯杆(2)的顶部,所述控制底座(1)电连接所述灯杆(2)的底部,其特征在于所述灯杆(2)采用金属材质制成,所述控制底座(1)的内部安装有灯光控制器,所述灯杆(2)的内部设置有TP连接端口,所述灯泡(3)内部安装有LED光源;1. A desk lamp using an adjustable light controller, including a control base (1), a light pole (2) and a light bulb (3). The light bulb (3) is electrically connected to the top of the light pole (2), so The control base (1) is electrically connected to the bottom of the light pole (2). It is characterized in that the light pole (2) is made of metal, and a light controller is installed inside the control base (1). A TP connection port is provided inside the light pole (2), and an LED light source is installed inside the bulb (3); 所述灯光控制器包括供电电路和调节电路,所述供电电路为所述调节电路提供工作电压;The lighting controller includes a power supply circuit and a regulating circuit, and the power supply circuit provides operating voltage for the regulating circuit; 所述供电电路包括稳压芯片U2、稳压二极管Z1、二极管D1、电阻R2、电容C4、电容C5和电容C6;所述稳压芯片U2的1引脚接地;所述稳压芯片U2的3引脚分两路,一路通过所述电容C5接地,另一路通过所述电容C6接地;所述电容C5与所述稳压芯片U2的2引脚间的节点输出3.3V电压;所述稳压芯片U2分两路,一路通过所述电容C4接地,另一路通过所述电阻R2接所述二极管D1的负极;所述二极管D1的正极接12V电压;所述稳压二极管的负极接所述电阻R2与所述稳压芯片U2间的节点,正极接地;The power supply circuit includes a voltage stabilizing chip U2, a voltage stabilizing diode Z1, a diode D1, a resistor R2, a capacitor C4, a capacitor C5 and a capacitor C6; pin 1 of the voltage stabilizing chip U2 is grounded; pin 3 of the voltage stabilizing chip U2 The pins are divided into two paths, one path is grounded through the capacitor C5, and the other path is grounded through the capacitor C6; the node between the capacitor C5 and the 2 pins of the voltage stabilizing chip U2 outputs a voltage of 3.3V; the voltage stabilization The chip U2 is divided into two circuits, one circuit is connected to the ground through the capacitor C4, and the other circuit is connected to the negative electrode of the diode D1 through the resistor R2; the positive electrode of the diode D1 is connected to the 12V voltage; the negative electrode of the Zener diode is connected to the resistor. The node between R2 and the voltage stabilizing chip U2 is anode grounded; 所述调节电路包括主控芯片U1、MOS管Q1、电阻R1、电阻R3、电阻R4、电容C1、电容C2和电容C3;所述主控芯片的型号为D1582;所述主控芯片U1的1引脚依次通过所述电容C3、电容C1和电阻R1接所述TP连接端口;所述主控芯片U1的2引脚通过所述电容C2接地;所述主控芯片U1的3、7、8引脚悬空;所述主控芯片U1的4引脚接地;所述主控芯片U1的5引脚依次通过所述电阻R4和电阻R3接地;所述主控芯片U1的6引脚接所述供电电路输出的3.3V电压;所述MOS管Q1的G级接所述电阻R4与所述电阻R3间的节点;所述MOS管Q1的D极接所述LED光源;所述MOS管Q1的S极接地;The adjustment circuit includes a main control chip U1, MOS tube Q1, resistor R1, resistor R3, resistor R4, capacitor C1, capacitor C2 and capacitor C3; the model of the main control chip is D1582; the 1 of the main control chip U1 The pins are connected to the TP connection port through the capacitor C3, capacitor C1 and resistor R1 in sequence; pin 2 of the main control chip U1 is grounded through the capacitor C2; pins 3, 7 and 8 of the main control chip U1 The pin is floating; the 4-pin of the main control chip U1 is connected to the ground; the 5-pin of the main control chip U1 is connected to the ground through the resistor R4 and the resistor R3 in turn; the 6-pin of the main control chip U1 is connected to the The 3.3V voltage output by the power supply circuit; the G stage of the MOS tube Q1 is connected to the node between the resistor R4 and the resistor R3; the D terminal of the MOS tube Q1 is connected to the LED light source; S pole is grounded; 台灯的无极调光模式如下:The stepless dimming mode of the desk lamp is as follows: (1)、开关模式:短触摸TP触摸点,实现台灯ON/OFF功能;短触摸是指人体触摸TP触摸点持续时间小于550Ms;(1) Switch mode: short touch the TP touch point to realize the ON/OFF function of the desk lamp; short touch means that the duration of the human body touching the TP touch point is less than 550Ms; (2)、调光模式:台灯采用渐变方式进行调光,长触摸TP触摸点,台灯会逐渐增强照明亮度,若停止触摸,台灯的照明亮度停止增强,若再次对台灯实行长触摸,台灯的照明亮度逐渐减弱;长触摸是指人体触摸TP触摸点持续时间大于550Ms;(2) Dimming mode: The desk lamp adopts a gradual dimming method. If you touch the TP touch point for a long time, the desk lamp will gradually increase the lighting brightness. If you stop touching, the lighting brightness of the desk lamp will stop increasing. If you touch the desk lamp again for a long time, the desk lamp will The lighting brightness gradually weakens; long touch refers to the human body touching the TP touch point for more than 550Ms; (3)、保持模式:当台灯处于调光模式下,照射亮度改变至最高或最低时,台灯停止亮度调节,保持当前亮度输出,若再次对台灯实行长触摸,可让台灯进入调光模式;(3) Hold mode: When the desk lamp is in dimming mode and the illumination brightness changes to the highest or lowest level, the desk lamp stops adjusting the brightness and maintains the current brightness output. If the desk lamp is touched again for a long time, the desk lamp can enter the dimming mode; (4)、记忆模式:台灯重启后的光照亮度与重启前相同。(4) Memory mode: The light brightness after restarting the desk lamp is the same as before restarting.
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CN107740947B (en) * 2017-10-31 2023-12-19 李培森 Desk lamp using adjustable light controller
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