A mobile light strip sensor controller

Abstract

This invention discloses a motion-sensing controller for LED strip lights, comprising a main control module and a sensing head module connected to the main control module. The main control module includes a main control chip U4, optocouplers U2 and U3, a voltage regulator chip U1, interfaces CN1, CN2, and CN3. The sensing head module includes a voltage regulator chip U5, a sensor U6, and a field-effect transistor Q1. The second pin of the sensor U6 is connected to the gate (G) terminal of the field-effect transistor Q1, and the drain (D) terminal of the field-effect transistor Q1 is connected to the second pin of either interface CN1 or interface CN2 via a resistor R22. This invention provides excellent motion sensing, enabling bidirectional and back-and-forth motion sensing. The LED strip lights up slowly upon detecting motion and turn off slowly. It also provides excellent motion-sensing effect, automatically illuminating the strip when motion is detected. A bidirectional sensing head can be installed, allowing the LED strip to illuminate from front to back or from back to front, resulting in a superior user experience.

Description

Technical Field

[0001] This invention relates to the field of controller technology, and specifically to a moving light strip sensor controller. Background Technology

[0002] With the improvement of people's living standards and the advancement of technology, LED strip lights are frequently used for lighting or decoration in stairwells and corridors. During the use of LED strip lights, a controller is needed to sense the arrival of objects and control the switching on and off of the lights and the lighting duration. However, existing LED strip light controllers have poor sensing performance, weak object movement sensing, lack of bidirectional sensing, inability to sense back and forth movement, untimely switching, and an inability to adjust the lighting duration according to actual conditions, resulting in a poor user experience. Therefore, to avoid the shortcomings of existing technology, it is necessary to improve it. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings and deficiencies of the prior art and provide a moving light strip sensing controller with bidirectional sensing and good back-and-forth sensing effect.

[0004] This invention is achieved through the following technical solution: A mobile LED strip sensor controller includes a main control module and a sensor head module connected to the main control module. The main control module includes a main control chip U4, optocouplers U2 and U3, a voltage regulator chip U1, interfaces CN1, CN2, and CN3. The sensor head module includes a voltage regulator chip U5, a sensor U6, and a field-effect transistor Q1. The second pin of the sensor U6 is connected to the gate (G) terminal of the field-effect transistor Q1. The drain (D) terminal of the field-effect transistor Q1 is connected to the second pin of either interface CN1 or interface CN2 via a resistor R22. The negative input terminal of the optocoupler U2 is connected to the second pin of interface CN1. The collector of the optocoupler U2 is connected to the first pin of the main control chip U4 via a resistor R7. The negative input terminal of the optocoupler U3 is connected to the second pin of interface CN2. The collector of the optocoupler U3 is connected to the second pin of the main control chip U4 via a resistor R8. The tenth pin of the main control chip U4 is connected to the second pin of interface CN3 via a capacitor C5.

[0005] Furthermore, it also includes a diode D1. The third pin of the voltage regulator chip U1 is connected to the negative terminal of the diode D1 through a resistor R1. The positive terminal of the diode D1 is connected to the positive terminal of the power supply VCC. The first pin of the voltage regulator chip U1 is grounded through a capacitor C1. The second pin of the voltage regulator chip U1 is grounded. The third pin of the voltage regulator chip U1 is grounded through a capacitor C2.

[0006] Furthermore, it also includes diode D2. The second pin of the voltage regulator chip U5 is connected to the negative terminal of diode D2 through resistor R21. The positive terminal of diode D2 is connected to the positive terminal of the power supply VCC. The second pin of the voltage regulator chip U5 is grounded through resistor R21 and capacitor C6. The third pin of the voltage regulator chip U5 is grounded.

[0007] Furthermore, the first pin of the voltage regulator chip U1 is connected to the ninth pin of the main control chip U4, and the ninth pin of the main control chip U4 is grounded through capacitor C3 and capacitor C4.

[0008] Furthermore, the first pin of the voltage regulator chip U1 is connected to the collector of the optocoupler U2 through resistor R6, the positive input terminal of the optocoupler U2 is connected to the positive power supply VCC through resistor R5, the first pin of the voltage regulator chip U1 is connected to the collector of the optocoupler U3 through resistor R13, and the positive input terminal of the optocoupler U3 is connected to the positive power supply VCC through resistor R11.

[0009] Furthermore, the twelfth and eleventh pins of the main control chip U4 are connected to the clock pulse controller.

[0010] Furthermore, the seventeenth pin of the main control chip U4 is grounded through resistor R9 and switch SW1; the sixteenth pin of the main control chip U4 is grounded through resistor R10 and switch SW2; the fifteenth pin of the main control chip U4 is grounded through resistor R12 and switch SW3; the first pin of the voltage regulator chip U1 is connected to the twentieth pin of the main control chip U4 through LED1 and resistor R2; the first pin of the voltage regulator chip U1 is connected to the nineteenth pin of the main control chip U4 through LED2 and resistor R3; and the first pin of the voltage regulator chip U1 is connected to the eighteenth pin of the main control chip U4 through LED3 and resistor R4.

[0011] Furthermore, the first pin of the voltage regulator chip U5 is connected to the first pin of the sensor U6, the first pin of the sensor U6 is grounded through capacitor C8, the first pin of the sensor U6 is grounded through capacitor C7, and the third pin of the sensor U6 is grounded.

[0012] Furthermore, the gate (G) terminal of the field-effect transistor Q1 is grounded through resistor R23, the source (S) terminal of the field-effect transistor Q1 is grounded, and the drain (D) terminal of the field-effect transistor Q1 is connected to the positive power supply VCC through resistor R24.

[0013] Furthermore, the main control chip U4 is model CA51F003T3, the voltage regulator chip U1 is model 78L05S, the voltage regulator chip U5 is model 78L05S, and the sensor U6 is model T31.

[0014] Compared to existing technologies, this invention features a main control module comprising a main control chip U4, optocouplers U2 and U3, and a voltage regulator chip U1; and a sensing head module comprising a voltage regulator chip U5, a sensor U6, and a field-effect transistor Q1. The sensor U6 and Q1 transmit the object flow signal to the main control chip U4, while the optocouplers U2 and U3 convert the signal, providing anti-interference control signal transmission. The controller offers superior control performance, supports dual sensing heads, provides excellent object flow sensing, enables bidirectional sensing, and allows for back-and-forth sensing. It features timely switching, slow illumination with movement, and adjustable lighting time based on sensing conditions, with slow extinguishing. The light strip exhibits excellent flow effect, automatically illuminating when an object is detected. It can also be equipped with bidirectional sensing heads, allowing the light strip to illuminate from front to back or back to front, resulting in superior performance and a better user experience. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is the circuit schematic diagram of the main control module of the present invention; Figure 2 This is a circuit diagram of the sensing head module of the present invention. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] like Figure 1 and Figure 2The present invention discloses a mobile light strip sensor controller, comprising a main control module and a sensor head module connected to the main control module. The main control module includes a main control chip U4, optocouplers U2 and U3, a voltage regulator chip U1, interfaces CN1, CN2, and CN3. The sensor head module includes a voltage regulator chip U5, a sensor U6, and a field-effect transistor Q1. The second pin of the sensor U6 is connected to the gate (G) terminal of the field-effect transistor Q1. The drain (D) terminal of the field-effect transistor Q1 is connected to the second pin of either interface CN1 or interface CN2 via resistor R22. The negative input terminal of the optocoupler U2 is connected to the second pin of interface CN1. The collector of the optocoupler U2 is connected to the first pin of the main control chip U4 via resistor R7. The negative input terminal of the optocoupler U3 is connected to the second pin of interface CN2. The collector of the optocoupler U3 is connected to the second pin of the main control chip U4 via resistor R8. The tenth pin of the main control chip U4 is connected to the second pin of interface CN3 via capacitor C5. The main control module includes a main control chip U4, optocouplers U2 and U3, and a voltage regulator chip U1. The sensing head module includes a voltage regulator chip U5, a sensor U6, and a field-effect transistor Q1. The sensor U6 and the field-effect transistor Q1 send the object flow signal to the main control chip U4. Optocouplers U2 and U3 convert the signal, control the signal transmission against interference, and provide good controller control. It can be equipped with dual sensing heads, has good object flow sensing effect, can sense objects bidirectionally, can sense back and forth, and has timely switching. It lights up slowly when the object moves, and can adjust the lighting time according to the sensing situation, and slowly turn off. The light strip has a good flow effect. When the object moves, the light strip lights up automatically. It can be equipped with bidirectional sensing heads, so that the light strip lights up from front to back or from back to front. It has good performance and a good user experience.

[0019] It also includes diode D1. The third pin of the voltage regulator chip U1 is connected to the negative terminal of diode D1 through resistor R1. The positive terminal of diode D1 is connected to the positive terminal of the power supply VCC. The first pin of the voltage regulator chip U1 is grounded through capacitor C1. The second pin of the voltage regulator chip U1 is grounded. The third pin of the voltage regulator chip U1 is grounded through capacitor C2. This improves the stability and safety of the input voltage and current of the voltage regulator chip U1, and also improves the stability and safety of the output voltage and current of the voltage regulator chip U1.

[0020] It also includes diode D2. The second pin of the voltage regulator chip U5 is connected to the negative terminal of diode D2 through resistor R21. The positive terminal of diode D2 is connected to the positive terminal of the power supply VCC. The second pin of the voltage regulator chip U5 is grounded through resistor R21 and capacitor C6. The third pin of the voltage regulator chip U5 is grounded, which improves the stability and safety of the input voltage and current of the voltage regulator chip U5, and improves the stability and safety of the output voltage and current of the voltage regulator chip U5.

[0021] The first pin of the voltage regulator chip U1 is connected to the ninth pin of the main control chip U4. The ninth pin of the main control chip U4 is grounded through capacitor C3 and capacitor C4. The voltage regulator chip U1 provides stable and safe power to the main control chip U4.

[0022] The first pin of the voltage regulator chip U1 is connected to the collector of the optocoupler U2 through resistor R6. The positive input terminal of the optocoupler U2 is connected to the positive power supply VCC through resistor R5. The first pin of the voltage regulator chip U1 is connected to the collector of the optocoupler U3 through resistor R13. The positive input terminal of the optocoupler U3 is connected to the positive power supply VCC through resistor R11. The voltage regulator chip U1 stably supplies power to the optocouplers U2 and U3.

[0023] Pins 12 and 11 of the main control chip U4 are connected to the clock pulse controller to provide control time signals to the main control chip U4.

[0024] Pin 17 of the main control chip U4 is grounded to switch SW1 via resistor R9; pin 16 of the main control chip U4 is grounded to switch SW2 via resistor R10; pin 15 of the main control chip U4 is grounded to switch SW3 via resistor R12; pin 1 of the voltage regulator chip U1 is connected to pin 20 of the main control chip U4 via LED1 and resistor R2; pin 1 of the voltage regulator chip U1 is connected to pin 19 of the main control chip U4 via LED2 and resistor R3; pin 1 of the voltage regulator chip U1 is connected to pin 18 of the main control chip U4 via LED3 and resistor R4. After the switch is turned on, signal reception and transmission can be realized. The LEDs being lit indicates that signal reception and transmission are operating normally.

[0025] The first pin of the voltage regulator chip U5 is connected to the first pin of the sensor U6. The first pin of the sensor U6 is grounded through capacitor C8 and capacitor C7. The third pin of the sensor U6 is grounded, which improves the stability and safety of the sensor U6 operation.

[0026] The gate (G) terminal of the field-effect transistor Q1 is grounded through resistor R23, the source (S) terminal of the field-effect transistor Q1 is grounded, and the drain (D) terminal of the field-effect transistor Q1 is connected to the positive power supply VCC through resistor R24, thereby improving the stability and safety of the operation of the field-effect transistor Q1.

[0027] As a specific implementation method, the main control chip U4 is model CA51F003T3, the voltage regulator chip U1 is model 78L05S, the voltage regulator chip U5 is model 78L05S, and the sensor U6 is model T31. It has low cost, stable control, stable signal reception, and stable voltage and current control.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A mobile LED strip sensor controller, characterized in that: The system includes a main control module and a sensor head module connected to the main control module. The main control module includes a main control chip U4, optocouplers U2 and U3, a voltage regulator chip U1, interfaces CN1, CN2, and CN3. The sensor head module includes a voltage regulator chip U5, a sensor U6, and a field-effect transistor Q1. The second pin of the sensor U6 is connected to the gate (G) terminal of the field-effect transistor Q1. The drain (D) terminal of the field-effect transistor Q1 is connected to the second pin of either interface CN1 or interface CN2 via resistor R22. The negative input terminal of the optocoupler U2 is connected to the second pin of interface CN1. The collector of the optocoupler U2 is connected to the first pin of the main control chip U4 via resistor R7. The negative input terminal of the optocoupler U3 is connected to the second pin of interface CN2. The collector of the optocoupler U3 is connected to the second pin of the main control chip U4 via resistor R8. The tenth pin of the main control chip U4 is connected to the second pin of interface CN3 via capacitor C5.

2. The mobile light strip sensor controller according to claim 1, characterized in that: It also includes diode D1. The third pin of the voltage regulator chip U1 is connected to the negative terminal of diode D1 through resistor R1. The positive terminal of diode D1 is connected to the positive terminal of the power supply VCC. The first pin of the voltage regulator chip U1 is grounded through capacitor C1. The second pin of the voltage regulator chip U1 is grounded. The third pin of the voltage regulator chip U1 is grounded through capacitor C2.

3. The mobile light strip sensor controller according to claim 1, characterized in that: It also includes diode D2. The second pin of the voltage regulator chip U5 is connected to the negative terminal of diode D2 through resistor R21. The positive terminal of diode D2 is connected to the positive terminal of the power supply VCC. The second pin of the voltage regulator chip U5 is grounded through resistor R21 and capacitor C6. The third pin of the voltage regulator chip U5 is grounded.

4. The mobile light strip sensor controller according to claim 1, characterized in that: The first pin of the voltage regulator chip U1 is connected to the ninth pin of the main control chip U4. The ninth pin of the main control chip U4 is grounded through capacitor C3 and capacitor C4.

5. The mobile light strip sensor controller according to claim 1, characterized in that: The first pin of the voltage regulator chip U1 is connected to the collector of the optocoupler U2 through resistor R6. The positive input terminal of the optocoupler U2 is connected to the positive power supply VCC through resistor R5. The first pin of the voltage regulator chip U1 is connected to the collector of the optocoupler U3 through resistor R13. The positive input terminal of the optocoupler U3 is connected to the positive power supply VCC through resistor R11.

6. The mobile light strip sensor controller according to claim 1, characterized in that: The twelfth and eleventh pins of the main control chip U4 are connected to the clock pulse controller.

7. The mobile light strip sensor controller according to claim 1, characterized in that: The seventeenth pin of the main control chip U4 is grounded through resistor R9 and switch SW1; the sixteenth pin of the main control chip U4 is grounded through resistor R10 and switch SW2; the fifteenth pin of the main control chip U4 is grounded through resistor R12 and switch SW3; the first pin of the voltage regulator chip U1 is connected to the twentieth pin of the main control chip U4 through LED1 and resistor R2; the first pin of the voltage regulator chip U1 is connected to the nineteenth pin of the main control chip U4 through LED2 and resistor R3; and the first pin of the voltage regulator chip U1 is connected to the eighteenth pin of the main control chip U4 through LED3 and resistor R4.

8. The mobile light strip sensor controller according to claim 1, characterized in that: The first pin of the voltage regulator chip U5 is connected to the first pin of the sensor U6. The first pin of the sensor U6 is grounded through capacitor C8. The first pin of the sensor U6 is grounded through capacitor C7. The third pin of the sensor U6 is grounded.

9. The mobile light strip sensor controller according to claim 1, characterized in that: The gate (G) terminal of the field-effect transistor Q1 is grounded through resistor R23, the source (S) terminal of the field-effect transistor Q1 is grounded, and the drain (D) terminal of the field-effect transistor Q1 is connected to the positive power supply VCC through resistor R24.

10. The mobile light strip sensor controller according to claim 1, characterized in that: The main control chip U4 is model CA51F003T3, the voltage regulator chip U1 is model 78L05S, the voltage regulator chip U5 is model 78L05S, and the sensor U6 is model T31.

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