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CN-224233869-U - Stepless dimming structure with pressure grading identification LED

CN224233869UCN 224233869 UCN224233869 UCN 224233869UCN-224233869-U

Abstract

A stepless dimming structure with pressure grading identification LEDs comprises a switch frame, wherein a substrate is arranged on the switch frame, a plurality of electrode strips are arranged on the substrate, a key frame is arranged on the switch frame, a limiting groove is formed in the key frame, a connecting plate is arranged in the limiting groove, a key surface is arranged at the upper end of the connecting plate, an arc plate is arranged at the lower end of the connecting plate, a limiting spring is arranged at the edge of the connecting plate, physical distinction between light touch and heavy pressure operation is realized through elastic deformation of the arc plate and annular arrangement of the electrode strips, the problem that the pressure grade cannot be identified in the conventional touch IC scheme is solved, the control precision is improved, different pressures correspond to different electrode strips to conduct, the control circuit can adjust LED current in real time, smooth transition of brightness from darkest to brightest is avoided, a stepped dimming and contusion of traditional keys is not needed, the manufacturing cost is greatly reduced, and meanwhile, the reliability of the structure is improved.

Inventors

  • XU GUOBIN

Assignees

  • 江门市绿靖阳光电有限公司

Dates

Publication Date
20260512
Application Date
20250618

Claims (7)

  1. 1. The utility model provides a stepless dimming structure with pressure hierarchical discernment LED, its characterized in that, including switch frame (1), be provided with base plate (2) on switch frame (1), be provided with a plurality of electrode strips (3) on base plate (2), be provided with key frame (4) on switch frame (1), be provided with spacing groove (5) in key frame (4), set up connecting plate (6) in spacing groove (5), the upper end of connecting plate (6) is provided with button face (7), the lower extreme of connecting plate (6) is provided with arc (8), the edge of connecting plate (6) is provided with spacing spring (9).
  2. 2. The stepless dimming structure with the pressure grading identification LED according to claim 1, wherein the switch frame (1) is an annular cylinder, the switch frame (1) is used for controlling the switch of the LED, a substrate (2) is arranged at the bottom of the switch frame (1), the substrate (2) is electrically connected with a control circuit, the electrode strips (3) are annular, a plurality of electrode strips (3) are sequentially distributed outwards from the center of a circle, and the electrode strips (3) on the upper surface of the substrate (2) are electrically connected with a control panel.
  3. 3. The stepless dimming structure with the pressure grading identification LED according to claim 2, wherein the key frame (4) is located at the upper end of the switch frame (1), the key frame (4) is in a ring shape, a plurality of limit springs (9) are arranged at the bottom of the limiting groove (5), and the limit springs (9) are uniformly distributed in the limiting groove (5).
  4. 4. A stepless dimming structure with pressure grading identification LED according to claim 3, wherein the connecting plate (6) is circular, the connecting plate (6) is coupled with the limit groove (5), one end of the limit spring (9) is abutted against the lower surface of the connecting plate (6), the other end is fixedly connected with the limit groove (5), and a key surface (7) is fixedly arranged at the upper end of the connecting plate (6) and used for pushing the connecting plate (6).
  5. 5. The stepless dimming structure with the pressure grading identification LED according to claim 4, wherein an arc-shaped plate (8) is fixedly arranged at the lower end of the connecting plate (6), an arc-shaped protruding downwards is arranged on the bottom surface of the arc-shaped plate (8), the arc-shaped plate (8) is made of elastic materials, a conductive coating is arranged on the lower surface of the arc-shaped plate (8), and the arc-shaped plate (8) is located right above the electrode strip (3).
  6. 6. A stepless dimming structure with pressure grading recognition LED according to claim 5, characterized in that the key surface (7) uses a flexible PET substrate of 0.2 mm.
  7. 7. A stepless dimming structure with pressure grading recognition LED according to claim 6, characterized in that the electrode strips (3) are laser etched ITO electrodes.

Description

Stepless dimming structure with pressure grading identification LED Technical Field The utility model relates to the field of lamp switching, in particular to a stepless dimming structure with pressure grading identification LEDs. Background An LED is a solid-state electric light source, and is a semiconductor lighting device, and its electrical characteristics have strong dispersion. The novel light source has the characteristics of small volume, high mechanical strength, low power consumption, long service life, convenience in adjustment and control, no pollution and the like, and has great development prospect; The stepless dimming circuit comprises a rectifying and filtering circuit and a voltage reducing circuit, wherein the voltage reducing circuit is connected with a main control circuit used for adjusting the output state of the voltage reducing circuit, the main control circuit is connected with a night lamp control circuit and a WIFI module, the output end of the rectifying and filtering circuit is connected with an auxiliary power supply used for supplying power to the main control circuit, the night lamp control circuit and the WIFI module, the main control circuit comprises a control module U6, the voltage reducing circuit comprises a constant current driving module U5 controlled by the control module U6, and the current of an LED lamp is controlled by the constant current driving module U5, so that stepless dimming is realized, and the brightness of the lamp can be stably changed from darkest to brightest. The color mixing function is realized by adjusting the brightness proportion of LEDs with different colors on the LED lamp panel, so that the lamp can show different color temperatures and color effects; However, the touch IC scheme in the existing control scheme cannot distinguish between the light touch operation and the heavy pressure operation, and can only perform photometric adjustment through an internal control circuit, so as to solve the above problems, a lamp switch with pressure classification is provided. Disclosure of utility model The utility model aims to solve the problem that the touch IC scheme in the existing control scheme can not distinguish between light touch and heavy pressure operation and can only carry out luminosity adjustment through an internal control circuit. The utility model adopts the following technical scheme: The stepless dimming structure with the pressure grading identification LED comprises a switch frame, wherein a substrate is arranged on the switch frame, a plurality of electrode strips are arranged on the substrate, a key frame is arranged on the switch frame, a limit groove is formed in the key frame, a connecting plate is arranged in the limit groove, the upper end of the connecting plate is provided with a key surface, the lower end of the connecting plate is provided with an arc-shaped plate, and a limit spring is arranged at the edge of the connecting plate; Further, the switch frame is an annular cylinder, the switch frame is used for controlling the switching of the LEDs, a substrate is arranged at the bottom of the switch frame and is electrically connected with the control circuit, the electrode strips are annular, a plurality of electrode strips are sequentially arranged outwards from the circle center, and the electrode strips on the upper surface of the substrate are electrically connected with the control panel; Further, the key frame is positioned at the upper end of the switch frame, the key frame is in a ring shape, a plurality of limit springs are arranged at the bottom of the limit groove, and the limit springs are uniformly distributed in the limit groove; Further, the connecting plate is circular, the connecting plate is coupled with the limiting groove, one end of the limiting spring is propped against the lower surface of the connecting plate, the other end of the limiting spring is fixedly connected with the limiting groove, and a key surface is fixedly arranged at the upper end of the connecting plate and used for pushing the connecting plate; Further, an arc-shaped plate is fixedly arranged at the lower end of the connecting plate, an arc shape protruding downwards is arranged on the bottom surface of the arc-shaped plate, the arc-shaped plate is made of elastic materials, a conductive coating is arranged on the lower surface of the arc-shaped plate, and the arc-shaped plate is positioned right above the electrode strip; Further, the key surface is preferably a flexible PET substrate with the thickness of 0.2 mm; further, the electrode strips are ITO electrodes etched by laser. The utility model has the beneficial effects that: The physical distinction between light touch and heavy pressure operation is realized through the elastic deformation of the arc plate and the annular arrangement of the electrode strips, the problem that the pressure grade cannot be identified by the traditional touch IC scheme is solved, the contr