Dessert-shaped table lamp
By using a highly integrated capacitive touch chip in the desk lamp, the problems of insensitive touch and low stability have been solved, achieving higher touch stability and durability, and improving product quality.
Patent Information
- Application Number
- CN202422491695.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-15
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-10-15
AI Technical Summary
Existing touch desk lamps suffer from problems such as unresponsive touch, low stability, and poor durability, resulting in poor product quality and a poor user experience.
It adopts a highly integrated capacitive touch chip, which achieves internal integration through a specific sensing capacitor, reducing external circuitry and improving touch stability and sensitivity.
This greatly improves the stability, touch sensitivity, and durability of the desk lamp, thus enhancing product quality.
Smart Images
Figure CN223499493U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of desk lamp technology, specifically a donut-shaped desk lamp. Background Technology
[0002] Currently, there are few touch desk lamps on the market that are both aesthetically pleasing and feature innovative functions. However, since touch involves touch, there are many issues and potential problems. Most of the similar touch desk lamps on the market use resistive touch, which can lead to problems such as insensitive touch, low stability, and lack of durability, resulting in poor overall product quality and a poor user experience. Therefore, to address these issues, a donut-shaped desk lamp is needed. Utility Model Content
[0003] The purpose of this invention is to provide a donut-shaped desk lamp. This invention enhances touch stability by employing a highly integrated capacitive touch chip and a specific sensing capacitor. Through this specific chip, internal integration is achieved, reducing external circuitry and improving product sensitivity. The donut-shaped desk lamp breaks through market stereotypes with its childlike appearance and highly integrated touch chip. Compared to similar designs currently on the market, the use of a highly integrated capacitive touch chip significantly improves stability, touch sensitivity, and durability, thus enhancing product quality.
[0004] This utility model is implemented as follows: This utility model includes a shell, a cover plate is embedded in the shell, and a touch panel is provided on the cover plate;
[0005] An electronic control PCB board is fixedly installed inside the housing. A lighting control processing unit is installed on the electronic control PCB board. The lighting control processing unit is connected to a touch circuit and a DC regulated power supply. The touch panel is connected to the lighting control processing unit.
[0006] The touch circuit includes an FT8023W main chip U1, pull-down resistors R14, R13, and R1, a filter capacitor C4, a coupling capacitor C3, a RC matching resistor R2, and a touch spring TK1. One end of pull-down resistor R14 is connected to analog ground, and the other end is connected to pin 1 of the main chip U1. One end of pull-down resistor R13 is connected to analog ground, and the other end is connected to pin 6 of the main chip U1. One end of pull-down resistor R4 is connected to analog ground, and the other end is connected to pin 8 of the main chip U1 and the lighting control processing unit. One end of filter capacitor C4 is connected to pin 3 of the main chip U1, and the other end is connected to pin 4 of the main chip U1. One end of coupling capacitor C3 is connected to pin 2 of the main chip U1, and the other end is connected to analog ground and the lighting control processing unit. One end of the RC matching resistor R2 is connected to pin 8 of the main chip U1, and the other end is connected to the touch spring TK1 and the lighting control processing unit.
[0007] Furthermore, the lighting control processing unit includes a lighting control circuit, which includes LEDs 1-20, voltage divider resistors R6, R7 and R11, an NMOS Q1, a pull-down resistor R3 and a current-limiting resistor R8. The positive terminal of LEDs 1-20 is connected to a forward power supply, and the other end is connected to one end of the voltage divider resistors R6, R7 and R11. The other end of the voltage divider resistors R6, R7 and R11 is connected to the drain of pin 3 of the NMOS Q1. The source of pin 2 of the NMOS Q1 is connected to one end of the pull-down resistor R3 and analog ground. The gate of pin 1 of the NMOS Q1 is connected to the other end of the pull-down resistor R3 and one end of the current-limiting resistor R8. The other end of the current-limiting resistor R8 is connected to pin 7 of the main chip U1 and the lighting control circuit.
[0008] This invention uses LED1-20 for illumination.
[0009] Compared with the prior art, the beneficial effects of this utility model are:
[0010] 1) Employs a highly integrated capacitive touch chip with specific sensing capacitors to enhance touch stability. This internal integration via a dedicated chip reduces external circuitry and improves product sensitivity.
[0011] The donut-shaped desk lamp of this application breaks through the market's stereotypes, featuring a childlike appearance and a highly integrated touch chip. It adopts a highly integrated capacitive touch chip, which greatly improves stability, touch sensitivity, and durability compared to similar designs currently on the market, thereby enhancing product quality. Attached Figure Description
[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.
[0013] Figure 1 This is a schematic diagram of the device structure of this utility model;
[0014] Figure 2 This is the circuit diagram of this utility model;
[0015] The components are: 1. Outer shell, 2. Cover plate, and 3. Touchpad. Detailed Implementation
[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Therefore, the following detailed description of the embodiments of this utility model provided in the accompanying drawings is not intended to limit the scope of the claimed utility model, but merely represents selected embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0017] In this embodiment, please refer to Figures 1-2 The present invention includes a shell 1, a cover plate 2 embedded in the shell 1, and a touch panel 3 provided on the cover plate 2;
[0018] An electronic control PCB board is fixedly installed inside the housing. A lighting control processing unit is installed on the electronic control PCB board. The lighting control processing unit is connected to a touch circuit and a DC regulated power supply. The touch panel is connected to the lighting control processing unit.
[0019] The touch circuit includes an FT8023W main chip U1, pull-down resistors R14, R13, and R1, a filter capacitor C4, a coupling capacitor C3, a RC matching resistor R2, and a touch spring TK1. One end of pull-down resistor R14 is connected to analog ground, and the other end is connected to pin 1 of the main chip U1. One end of pull-down resistor R13 is connected to analog ground, and the other end is connected to pin 6 of the main chip U1. One end of pull-down resistor R4 is connected to analog ground, and the other end is connected to pin 8 of the main chip U1 and the lighting control processing unit. One end of filter capacitor C4 is connected to pin 3 of the main chip U1, and the other end is connected to pin 4 of the main chip U1. One end of coupling capacitor C3 is connected to pin 2 of the main chip U1, and the other end is connected to analog ground and the lighting control processing unit. One end of the RC matching resistor R2 is connected to pin 8 of the main chip U1, and the other end is connected to the touch spring TK1 and the lighting control processing unit.
[0020] In this embodiment, the lighting control processing unit includes a lighting control circuit, which includes LEDs 1-20, voltage divider resistors R6, R7 and R11, an NMOS Q1, a pull-down resistor R3 and a current-limiting resistor R8. The positive terminal of LEDs 1-20 is connected to a forward power supply, and the other end is connected to one end of the voltage divider resistors R6, R7 and R11. The other end of the voltage divider resistors R6, R7 and R11 is connected to the drain of pin 3 of the NMOS Q1. The source of pin 2 of the NMOS Q1 is connected to one end of the pull-down resistor R3 and analog ground. The gate of pin 1 of the NMOS Q1 is connected to the other end of the pull-down resistor R3 and one end of the current-limiting resistor R8. The other end of the current-limiting resistor R8 is connected to pin 7 of the main chip U1 and the lighting control circuit.
[0021] The second embodiment of this application includes all the features of the first embodiment, except that the outer shell is in the shape of a "donut".
[0022] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A donut-shaped desk lamp, characterized in that, Includes an outer shell (1), a cover plate (2) is embedded in the outer shell (1), and a touch panel (3) is provided on the cover plate (2); An electronic control PCB board is fixed inside the housing. A lighting control processing unit is provided on the electronic control PCB board. The lighting control processing unit is connected to a touch circuit and a DC regulated power supply. The touch panel is connected to the lighting control processing unit. The touch circuit includes a main chip U1, pull-down resistors R14, R13, and R1, a filter capacitor C4, a coupling capacitor C3, a RC matching resistor R2, and a touch spring TK1. Pull-down resistor R14 is connected to analog ground at one end and to pin 1 of main chip U1 at the other end. Pull-down resistor R13 is connected to analog ground at one end and to pin 6 of main chip U1 at the other end. Pull-down resistor R4 is connected to analog ground at one end and to pin 8 of main chip U1 and the lighting control processing unit at the other end. Filter capacitor C4 is connected to pin 3 of main chip U1 at one end and to pin 4 of main chip U1 at the other end. Coupling capacitor C3 is connected to pin 2 of main chip U1 at one end and to analog ground and the lighting control processing unit at the other end. The RC matching resistor R2 is connected to pin 8 of main chip U1 at one end and to touch spring TK1 and the lighting control processing unit at the other end.
2. The donut-shaped desk lamp according to claim 1, characterized in that: The lighting control processing unit includes a lighting control circuit, which includes LEDs 1-20, voltage divider resistors R6, R7 and R11, NMOS Q1, pull-down resistor R3 and current limiting resistor R8.
3. A donut-shaped desk lamp according to claim 2, characterized in that: The positive terminal of LED1-20 is connected to a forward power supply, and the other end is connected to one end of voltage divider resistors R6, R7, and R11. The other end of voltage divider resistors R6, R7, and R11 is connected to the drain of pin 3 of NMOS Q1. The source of pin 2 of NMOS Q1 is connected to one end of pull-down resistor R3 and analog ground. The gate of pin 1 of NMOS Q1 is connected to the other end of pull-down resistor R3 and one end of current limiting resistor R8. The other end of current limiting resistor R8 is connected to pin 7 of main chip U1 and the lighting control circuit.