Touch control panel for learning desk lamp

Abstract

The utility model relates to the technical field of intelligent control, and particularly discloses a learning desk lamp touch control panel which comprises an LDO module, an MCU module and an LED driving module, the LDO module is connected with the MCU module, and the MCU module is connected with the LED driving module. The touch control panel for the learning desk lamp is simple in structure and diversified in function, has a touch control function, can realize different light adjustment through long-time pressing and short-time pressing, and simultaneously has the functions of surge prevention, voltage stabilization control, touch sensitivity adjustment and the like, so that the touch control panel is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of intelligent control, in particular to a touch control panel for a study desk lamp. Background Art

[0002] At present, most study desks used by general students do not come with a lighting function (for example, a study desk with the application number 2019206178523). When students study at night or in a dimly lit place, it will cause eye fatigue, and over time, it is easy to cause myopia. Thus, a study desk with a lighting function was born.

[0003] At present, most study desks with a lighting function on the market use buttons or rotary switches to control the lights, which are inconvenient to use and easily damaged. Summary of the Utility Model

[0004] The utility model provides a [solution] to solve the problems such as single function mentioned in the prior art.

[0005] To achieve the above object, the utility model provides the following technical solutions:

[0006] A touch control panel for a study desk lamp includes an LDO module, an MCU module, and an LED driving module. The LDO module is connected to the MCU module, and the MCU module is connected to the LED driving module.

[0007] As a further technical solution of the utility model: The LDO module includes a diode D3, a resistor R1, a capacitor C1, a capacitor C4, a capacitor C5, a capacitor C6, and a voltage regulator U2. The cathode of the diode D3 is connected to the resistor R1, and the other end of the resistor R1 is connected to the capacitor C5, the capacitor C6, and the port 1 of the voltage regulator U2. The port 3 of the voltage regulator U2 is connected to a TVS diode, the capacitor C1, and the capacitor C4. The other end of the capacitor C1 is connected to the other end of the capacitor C4, the other end of the capacitor C5, the other end of the capacitor C6, the port 2 of the voltage regulator U2, and the ground terminal.

[0008] As a further technical solution of the utility model: The MCU module includes an MCU chip U1, a touch switch K1, a touch switch K2, a capacitor C2, a capacitor C3, a resistor R7, and a resistor R8. The port 2 of the MCU chip U1 is grounded through the capacitor C2. The port 3 of the MCU chip U1 is connected to the capacitor C3 and the +5V voltage. The port 4 of the MCU chip U1 is connected to the other end of the capacitor C3 and the ground terminal. The port 7 of the MCU chip U1 is connected to the touch switch K2 through the resistor R7. The port 8 of the MCU chip U1 is connected to the touch switch K1 through the resistor R8.

[0009] As a further technical solution of the present utility model: the LED driving module includes an MOS transistor Q1, an MOS transistor Q2, a fuse F1, an inductor L1, an inductor L2, a resistor R3, a resistor R4, a capacitor C7, a capacitor C8, a diode D1 and a diode D2. One end of the fuse F1 is connected to the +24V voltage, and the other end of the fuse F1 is connected to the cathodes of the diode D2 and the diode D1. The anode of the diode D2 is connected to the inductor L1, the capacitor C8 and the drain of the MOS transistor Q2. The source of the MOS transistor Q2 is connected to the other end of the capacitor C8, the resistor R4 and the ground terminal. The other end of the resistor R4 is connected to the resistor R6 and the gate of the MOS transistor Q2. The anode of the diode D1 is connected to the inductor L2, the capacitor C7 and the drain of the MOS transistor Q1. The source of the MOS transistor Q1 is connected to the other end of the capacitor C7, the resistor R3 and the ground terminal. The other end of the resistor R3 is connected to the resistor R5 and the gate of the MOS transistor Q1. The other end of the resistor R5 is connected to port 5 of the MCU chip U1, and the other end of the resistor R6 is connected to port 1 of the MCU chip U1.

[0010] As a further technical solution of the present utility model: the MOS transistors Q1 and Q2 are N-MOS transistors.

[0011] In the above technical solution, the technical effects and advantages provided by the present utility model are as follows:

[0012] The touch control board of the study desk lamp of the present utility model has a simple structure and diverse functions. It has a touch control function and can achieve different light adjustments by long pressing and short pressing. At the same time, this design also has functions such as surge protection, voltage stabilization control, and touch sensitivity adjustment, so it is more convenient to use. Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is the circuit diagram of the present utility model. Detailed Embodiments

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0016] Example 1

[0017] The present utility model provides a drawing as shown in Figure 1 which is specifically a touch control board for a learning desk lamp, including an LDO module, an MCU module, and an LED driving module. The LDO module is connected to the MCU module, and the MCU module is connected to the LED driving module. The LDO module supplies the converted voltage to the MCU module, and the MCU controls the LED driving module through the touch switch connected thereto, thereby realizing the control of the lamp.

[0018] Example 2

[0019] Based on Example 1, the LDO module includes a diode D3, a resistor R1, a capacitor C1, a capacitor C4, a capacitor C5, a capacitor C6, and a voltage regulator U2. The cathode of the diode D3 is connected to the resistor R1, and the other end of the resistor R1 is connected to the capacitor C5, the capacitor C6, and the port 1 of the voltage regulator U2. The port 3 of the voltage regulator U2 is connected to a TVS diode, the capacitor C1, and the capacitor C4. The other end of the capacitor C1 is connected to the other end of the capacitor C4, the other end of the capacitor C5, the other end of the capacitor C6, the port 2 of the voltage regulator U2, and the ground terminal.

[0020] The MCU module includes an MCU chip U1, a touch switch K1, a touch switch K2, a capacitor C2, a capacitor C3, a resistor R7, and a resistor R8. The port 2 of the MCU chip U1 is grounded through the capacitor C2. The port 3 of the MCU chip U1 is connected to the capacitor C3 and the +5V voltage. The port 4 of the MCU chip U1 is connected to the other end of the capacitor C3 and the ground terminal. The port 7 of the MCU chip U1 is connected to the touch switch K2 through the resistor R7. The port 8 of the MCU chip U1 is connected to the touch switch K1 through the resistor R8.

[0021] The LED driving module includes MOS transistor Q1, MOS transistor Q2, fuse F1, inductor L1, inductor L2, resistor R3, resistor R4, capacitor C7, capacitor C8, diode D1 and diode D2. One end of the fuse F1 is connected to the +24V voltage, and the other end of the fuse F1 is connected to the cathodes of diode D2 and diode D1. The anode of diode D2 is connected to inductor L1, capacitor C8 and the drain of MOS transistor Q2. The source of MOS transistor Q2 is connected to the other end of capacitor C8, resistor R4 and the ground terminal. The other end of resistor R4 is connected to resistor R6 and the gate of MOS transistor Q2. The anode of diode D1 is connected to inductor L2, capacitor C7 and the drain of MOS transistor Q1. The source of MOS transistor Q1 is connected to the other end of capacitor C7, resistor R3 and the ground terminal. The other end of resistor R3 is connected to resistor R5 and the gate of MOS transistor Q1. The other end of resistor R5 is connected to port 5 of the MCU chip U1, and the other end of resistor R6 is connected to port 1 of the MCU chip U1. MOS transistors Q1 and Q2 are N-MOS transistors.

[0022] The working principle is as follows:

[0023] This design is a touch control board for a study desk lamp and is used together with an external 24V adapter. It mainly consists of three unit circuits: the LDO module, the MCU, and the LED driving module.

[0024] Touch button K1: Short press to achieve: The lamp turns on in a cycle of 100% - 70% - 30% - OFF.

[0025] Long press for 1 second to achieve: When the lamp is on, long press for 1 second, the lamp flashes once to indicate that the timing function is turned on, and then long press for 1 second again, the lamp flashes twice to indicate canceling the timing function.

[0026] Touch control button K2: Short press to achieve: When the lamp is on, short press to cycle through the color temperatures of 3000K - 4500K - 6000K.

[0027] LDO: D3 is for reverse connection prevention, R1 is a current limiting resistor, C5, C6, C1, C4 are for filtering, U2 is a voltage stabilizing IC, and TVS is a surge absorption component.

[0028] LED drive: D1, D2, L1, L2, C7, C8 are EMC components, Q2 is the MOS for driving the 6000K color temperature LED, and Q1 is the MOS for driving the 3000K color temperature LED.

[0029] MCU: U1 is a touch control MCU, and C2 is for adjusting the touch sensitivity.

[0030] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-described exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, in any regard, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model.

[0031] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment contains only one independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment have been appropriately combined to form other embodiments that are easily understood by those skilled in the art.

Claims

1. A learning desk lamp touch control board, including an LDO module, an MCU module and an LED driver module, characterized in that: The LDO module is connected to the MCU module, and the MCU module is connected to the LED driver module; The LDO module includes a diode D3, a resistor R1, a capacitor C1, a capacitor C4, a capacitor C5, a capacitor C6 and a voltage regulator U2, the cathode of the diode D3 is connected to the resistor R1, the other end of the resistor R1 is connected to the capacitor C5, the capacitor C6 and the port 1 of the voltage regulator U2, the port 3 of the voltage regulator U2 is connected to the TVS diode, the capacitor C1 and the capacitor C4, the other end of the capacitor C1 is connected to the other end of the capacitor C4, the other end of the capacitor C5, the other end of the capacitor C6, the port 2 of the voltage regulator U2 and the ground terminal; The MCU module includes an MCU chip U1, a touch switch K1, a touch switch K2, a capacitor C2, a capacitor C3, a resistor R7 and a resistor R8, a port 2 of the MCU chip U1 is grounded through the capacitor C2, a port 3 of the MCU chip U1 is connected to the capacitor C3 and a +5V voltage, a port 4 of the MCU chip U1 is connected to the other end of the capacitor C3 and the ground, a port 7 of the MCU chip U1 is connected to the touch switch K2 through the resistor R7, and a port 8 of the MCU chip U1 is connected to the touch switch K1 through the resistor R8; The LED driving module includes a MOS tube Q1, a MOS tube Q2, a fuse F1, an inductor L1, an inductor L2, a resistor R3, a resistor R4, a capacitor C7, a capacitor C8, a diode D1 and a diode D2. One end of the fuse F1 is connected to a +24V voltage, the other end of the fuse F1 is connected to the cathode of the diode D2 and the cathode of the diode D1, the anode of the diode D2 is connected to the inductor L1, the capacitor C8 and the drain of the MOS tube Q2, the source of the MOS tube Q2 is connected to the other end of the capacitor C8, the resistor R4 and the ground, the other end of the resistor R4 is connected to the resistor R6 and the gate of the MOS tube Q2, the anode of the diode D1 is connected to the inductor L2, the capacitor C7 and the drain of the MOS tube Q1, the source of the MOS tube Q1 is connected to the other end of the capacitor C7, the resistor R3 and the ground, the other end of the resistor R3 is connected to the resistor R5 and the gate of the MOS tube Q1, the other end of the resistor R5 is connected to the port 5 of the MCU chip U1, and the other end of the resistor R6 is connected to the port 1 of the MCU chip U1.

2. A learning desk lamp touch control panel according to claim 1, characterized in that: The MOS transistor Q1 and the MOS transistor Q2 are N-MOS transistors.

Images