A full-color RGB LED display heating controller

Abstract

The utility model provides a kind of full-color RGB LED display heating controller, it includes main control MCU, RGB LED display module, WIFI communication module, temperature and humidity acquisition module, relay control module, proximity sensing module, power module and button module.MCU single-chip microcontroller connects each module, for receiving user setting data (such as temperature, display color) and temperature and humidity data, control RGB LED display module to multicolor display information, and pass through relay control module adjustment heating equipment operation.Proximity sensing module is used to detect user close, to switch hibernate and working mode.By this setting, the controller can realize color display, energy-saving operation and user-defined color function, meet modern family decoration needs, improve user experience and energy-saving effect.

Description

Technical Field

[0001] This utility model relates to the field of heating controller technology, and in particular to a full-color RGB LED display heating controller, which is suitable for intelligent control of home or commercial heating systems. Background Technology

[0002] Traditional heating controllers typically use monochrome LED displays (such as white), resulting in a limited visual experience that fails to meet users' desire for personalized decoration. With the development of smart homes, users expect to enhance their quality of life through color displays; however, the application of RGB LEDs in heating controllers is currently limited and lacks energy efficiency. For example, traditional controllers maintain a constantly lit display when unattended, leading to high energy consumption. Furthermore, existing controllers lack proximity sensing functionality, requiring users to manually wake the device, which is inconvenient.

[0003] Therefore, the present invention aims to provide a full-color RGB LED display heating controller that is customizable in color, energy-saving, and supports proximity sensing, in order to solve the above problems.

[0004] It should be noted that the information disclosed in this background section is intended only to enhance the understanding of the overall background of the present invention, and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Summary of the Invention

[0005] This utility model provides a full-color RGB LED display heating controller, which includes a main control MCU, an RGB LED display module, a WIFI communication module, a temperature and humidity acquisition module, a relay control module, a proximity sensing module, a power supply module, and a button module; the main control MCU includes an MCU microcontroller, which is connected to the RGB LED display module, the WIFI communication module, the temperature and humidity acquisition module, the relay control module, the proximity sensing module, the button module, and the power supply module.

[0006] The main control MCU controls the RGB LED display module to display multiple colors based on user settings received by the WIFI communication module or button module, and temperature and humidity data collected by the temperature and humidity acquisition module. It also adjusts the operation of the heating equipment through the relay control module. The proximity sensing module is used to detect when a user approaches, so as to control the full-color RGB LED display heating controller to switch between sleep mode and working mode. The secondary clock oscillation circuit provides timing function for the system.

[0007] In some embodiments, the power supply module includes: an AC / DC step-down module, a first DC / DC step-down module, and a second DC / DC step-down module; the AC / DC step-down module is connected to the first DC / DC step-down module and the second DC / DC step-down module respectively, and the second DC / DC step-down module is connected to the RGB LED display module.

[0008] In some embodiments, the RGB LED display module includes a driver chip HT16D35B and RGB LEDs. The driver chip HT16D35B controls the brightness and RGB color ratio of the RGB LEDs through a PWM circuit.

[0009] In some embodiments, the RGB LEDs of the RGB LED display module are Refond common anode LEDs (RF-W5HR21IS-A58).

[0010] In some embodiments, the relay control module includes a relay and a control circuit module. The control circuit module includes a transistor Q1, a diode D4, and a resistor R15. The diode D4 is connected in parallel between the relay and the transistor Q1, and the resistor R15 is connected to the base of the transistor.

[0011] In some embodiments, the proximity sensing module uses a proximity sensing chip EDX106 and is connected to the main control MCU via I2C or interrupt communication.

[0012] In some embodiments, the MCU is a Saiyuan SC95R605 microcontroller with a built-in 32MHz oscillator and touch circuit.

[0013] In some embodiments, the WIFI communication module is a Tuya CB3S module, which is connected to the main control MCU via a serial port.

[0014] In some embodiments, the temperature and humidity acquisition module uses a temperature and humidity chip SHTC3 and is connected to the main control MCU via I2C communication.

[0015] In some embodiments, the button module comprises conductive pads, a resistor, and a touch button port of the main control MCU. The resistor is connected in series between the conductive pads and the touch button port of the main control MCU.

[0016] Based on the above, the full-color RGB LED display heating controller provided in one embodiment of this utility model meets home decoration needs through RGB LED multi-color display and user-defined color function; the proximity sensing module realizes automatic wake-up and energy saving, reducing display energy consumption; the main control MCU coordinates various modules to improve control accuracy and user experience. In addition, WIFI communication supports remote setting, enhancing intelligence; the power module's multi-channel conversion ensures system stability; the overall structure is simple and the production cost is low.

[0017] Other features and beneficial effects of this invention will be set forth in the following description, and will be apparent in part from the description, or may be learned by practicing the invention. The objectives and other beneficial effects of this invention can be realized and obtained through the structures particularly pointed out in the description, claims, etc. Attached Figure Description

[0018] 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 some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Unless otherwise specified, the positional relationships shown in the drawings in the following description are based on the direction in which the components are drawn in the figure.

[0019] Figure 1 This is a structural block diagram of the full-color RGB LED display heating controller of this utility model;

[0020] Figure 2 This is a schematic diagram of the AC / DC step-down power module circuit.

[0021] Figure 3 This is a circuit diagram of the first DC / DC step-down module and the second DC / DC step-down module of the power supply module;

[0022] Figure 4 This is a circuit diagram of the driver chip in an RGB LED display module;

[0023] Figure 5 This is a circuit diagram of the RGB LEDs in an RGB LED display module;

[0024] Figure 6 This is the circuit diagram of the relay control module;

[0025] Figure 7 This is a circuit diagram of the proximity sensing module;

[0026] Figure 8 This is a circuit diagram of the main control MCU;

[0027] Figure 9 This is a circuit diagram of a WiFi communication module;

[0028] Figure 10 This is a circuit diagram of the temperature and humidity acquisition module;

[0029] Figure 11 This is a circuit diagram of the button module.

[0030] Reference numerals: Heating equipment 20; Relay control module 22; Temperature and humidity acquisition module 24; Main control MCU microcontroller 26; Button module 28; WIFI communication module 30; Proximity sensing module 32; RGB LED display module 34; First DC / DC step-down module 38; Second DC / DC step-down module 36; AC / DC step-down module 40. Detailed Implementation

[0031] 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 some embodiments of this utility model, not all embodiments. The technical features designed in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the protection scope of this utility model.

[0032] In the description of this utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more. Additionally, the term "comprising" and any variations thereof mean "at least comprising."

[0033] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integrally formed connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0034] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments. Unless the context clearly indicates otherwise, the singular forms “a” and “an” as used herein are also intended to include the plural. It should also be understood that the terms “comprising” and / or “including” as used herein specify the presence of the stated features, integers, steps, operations, units, and / or components, without excluding the presence or addition of one or more other features, integers, steps, operations, units, components, and / or combinations thereof.

[0035] Please refer to Figure 1 , Figure 1 This is a structural block diagram of a full-color RGB LED display heating controller according to this utility model; one embodiment of this utility model provides a heating controller. For example... Figure 1 As shown, the heating controller may include: a relay control module 22, a temperature and humidity acquisition module 24, an MCU microcontroller 26, a button module 28, a WIFI communication module 30, a proximity sensor module 32, an RGB LED display module 34, a first DC / DC step-down module 38, a second DC / DC step-down module 36, and an AC / DC step-down module 40. The MCU microcontroller 26 is connected to the relay control module 22, the temperature acquisition module 24, the button module 28, the WIFI communication module 30, the proximity sensor module 32, the RGB LED display module 34, and the first DC / DC step-down module 38; it is also connected to the AC / DC step-down module 40 via the first DC / DC step-down module 38. The AC / DC step-down module 40 is connected to the RGB LED display module 34 via the second DC / DC step-down module 36.

[0036] The power supply module includes an AC / DC step-down module 40, a first DC / DC step-down module 38, and a second DC / DC step-down module 36. After the AC / DC step-down module 40 is running, the first DC / DC step-down module 38 and the second DC / DC step-down module 36 are run respectively.

[0037] Please refer to Figure 2 and Figure 3 , Figure 2 This is a circuit diagram of the AC / DC step-down module 40; Figure 3Circuit diagram of the first DC / DC step-down module 38 and the second DC / DC step-down module 36. The AC / DC step-down modules are connected to the first DC / DC step-down module 38 and the second DC / DC step-down module 36 respectively. The second DC / DC step-down module 36 is connected to the RGB LED display module 34. (See diagram for reference.) Figure 2 As shown, the AC / DC step-down module 40 converts the 220V AC mains power into a 12V power supply for the relay. Figure 2 The 220V AC mains power is converted to DC high voltage via a fuse resistor R6, a varistor 7D471, and a rectifier bridge DB1, then filtered by a network of capacitors C1, L1, and C5. This DC high voltage is then converted to DC low voltage (12V) output via a power supply chip (On-Bright OB25132) and a transformer T1. Resistors R1 and R2 are the startup resistors for the OB25132 power supply chip. Diode D5, resistor R25, and capacitor C6 form the power supply network for the OB25132. Output resistors R7 and R23 are used for voltage regulation. Resistor R22 is the current-limiting resistor for the chip's driver pin. Resistors R5, R21, capacitor C7, and diode D3 form an RCD snubber network to absorb high voltage oscillations from the transformer and protect against high voltage. Diode D2 is the output rectifier diode, and output capacitors C3 and C4 are used for 12V output filtering. Figure 3 As shown, the first DC / DC step-down module 38 converts the 12V voltage to the operating voltage (3.3V) of the main control MCU, temperature and humidity acquisition module 24, WIFI communication module 30, and proximity sensing module 32. The first DC / DC step-down module 38 is mainly composed of a DC / DC step-down chip U3MP1470 and an inductor L14.7UH; resistors: R1, R2, R3; capacitors: C2, C3, C4, C5, C6, C7, C8, forming a step-down network. Figure 3 As shown, the second DC / DC step-down module 36 converts the 12V voltage to the +5V voltage used by the RGB LED display module 34. The second DC / DC step-down module 36 is mainly composed of a DC / DC step-down chip U6MP1470, an inductor L34.7UH, resistors R14, R20, and R21, and capacitors C24, C25, and C26, forming a step-down network.

[0038] The RGB LED display module 34 includes a driver chip and RGB LEDs. Please refer to [link / reference needed]. Figure 4 and Figure 5 . Figure 4 This is a circuit diagram of the driver chip in the RGB LED display module 34. Figure 5This is a circuit diagram of the RGB LEDs in the RGB LED display module 34. In some embodiments, the driver chip is Holtek's HT16D35B LED constant current driver chip, and the RGB LEDs are Refond common anode LEDs (RF-W5HR21IS-A58) with reference designations (D1-D32). The HT16D35B is a high-precision constant current controller for memory-mapped LED displays, with a maximum display capacity of 224 points, i.e., 28 ROW x 8 COM. By adjusting the software-controlled PWM circuit, 64 levels of grayscale (PWM data) and 64 levels of LED brightness can be generated. Color mixing is achieved by adjusting the display ratio (PWM data) of the three RGB colors in each LED. As shown in the diagram above, the anode C of each LED is connected to the HT16D35D COM chip, and the RGB three-color pins of each LED are connected to the HT16D35D ROW chip. The HT16D35D controls the display content, color, and brightness by controlling each ROW and COM channel. The HT16D35D receives relevant display information data from the main control MCU via I2C communication.

[0039] The relay control module 22 consists of relays and control circuitry, and its output is directly connected to the user's heating control equipment. Please refer to [reference needed]. Figure 6 , Figure 6 This is a circuit diagram of the relay control module 22. In some embodiments, the relay is a Hongfa 16A HF32F, and the control circuit consists of a transistor Q1, a diode D4, and a resistor R15. Diode D4 is connected in parallel between the relay and transistor Q1, and resistor R15 is connected to the base of the transistor. The main control MCU controls the relay switch through the transistor via the IO (relay1) control port to control the user's heating equipment 20.

[0040] Please refer to Figure 7 , Figure 7 This is a circuit diagram of the proximity sensing module 32. In some embodiments, the proximity sensing module 32 is mainly responsible for proximity detection by the EDX106, and transmits data to the main control MCU via I2C and interrupt communication.

[0041] The main control MCU includes a 26-bit microcontroller; please refer to [reference needed]. Figure 8 , Figure 8 This is a circuit diagram of the main control MCU. In some embodiments, the MCU 26 uses the Saiyuan SC95R605, which has a built-in 32MHz oscillator, eliminating the need for an external oscillator. At the same time, the high operating frequency of 32MHz fully meets the daily operational needs of the system and the communication between the main control MCU and other modules (such as...). Figure 1In addition to meeting the communication requirements of all working modules shown, the chip also features a dual-mode touch circuit, specifically a 31-channel dual-mode touch circuit, which can directly implement touch button functions through resistors and external contact pads. The crystal oscillator Y1 (32.768) and C12 and C13 in the diagram form a secondary clock oscillation circuit, primarily providing a precise secondary clock frequency to meet the system's timing requirements.

[0042] The WIFI communication module 30 mainly uses the Tuya CB3S WIFI module. Please refer to [the documentation / reference]. Figure 9 , Figure 9 This is a circuit diagram of the WiFi communication module 30. This part is responsible for the controller's networking, communicating with the main control MCU via a serial port to transmit control data, including user-set temperature, mode settings, and display colors.

[0043] The temperature and humidity module 24 primarily uses the SHTC3 chip to collect the current ambient temperature and humidity data, which is then transmitted to the main control MCU via I2C communication. Please refer to [link / reference needed]. Figure 10 , Figure 10 This is a circuit diagram of the temperature and humidity module 24.

[0044] In some embodiments, such as Figure 11 As shown, the button module 28 consists of conductive pads (JB1, JB2, JB3, JB4), resistors (R10, R11, R12, R13), and the touch button port of the main control MCU. The resistors are connected in series between the conductive pads and the touch button port of the main control MCU. The corresponding information is transmitted by detecting the user's finger operation through the charging and discharging of the capacitor by human finger contact.

[0045] Furthermore, those skilled in the art should understand that although many problems exist in the prior art, each embodiment or technical solution of the present invention can be improved in only one or a few aspects, without necessarily solving all the technical problems listed in the prior art or the background art simultaneously. Those skilled in the art should understand that any content not mentioned in a claim should not be construed as a limitation on that claim.

[0046] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A full color RGB LED display heating controller, characterized in that: The full-color RGB LED display heating controller includes a main control MCU, an RGB LED display module, a WIFI communication module, a temperature and humidity acquisition module, a relay control module, a proximity sensing module, a power supply module, and a button module; The main control MCU includes a microcontroller connected to the RGB LED display module, the WIFI communication module, the temperature and humidity acquisition module, the relay control module, the proximity sensing module, the button module, and the power supply module. The main control MCU controls the RGB LED display module to perform multi-color display based on user setting data received by the WIFI communication module or the button module, and temperature and humidity data collected by the temperature and humidity acquisition module. It also adjusts the operation of the heating equipment through the relay control module. The proximity sensing module detects the user's approach to control the full-color RGB LED display heating controller to switch between sleep mode and working mode.

2. The full color RGB LED display heating controller according to claim 1, characterized in that: The power supply module includes: an AC / DC step-down module, a first DC / DC step-down module, and a second DC / DC step-down module; the AC / DC step-down module is connected to the first DC / DC step-down module and the second DC / DC step-down module respectively, and the second DC / DC step-down module is connected to the RGBLED display module.

3. The full color RGB LED display heating controller according to claim 1, characterized in that: The RGB LED display module includes a driver chip HT16D35B and RGB LEDs. The driver chip HT16D35B controls the brightness and RGB color ratio of the RGB LEDs through a PWM circuit.

4. The full color RGB LED display heating controller according to claim 1, characterized in that: The RGB LED display module uses Refond common anode LEDs for its RGB LEDs.

5. The full color RGB LED display heating controller according to claim 1, characterized in that: The relay control module includes a relay and a control circuit module. The control circuit module includes a transistor Q1, a diode D4, and a resistor R15. The diode D4 is connected in parallel between the relay and the transistor Q1, and the resistor R15 is connected to the base of the transistor Q1.

6. The full color RGB LED display heating controller according to claim 1, characterized in that: The proximity sensing module uses a proximity sensing chip EDX106 and is connected to the main control MCU via I2C or interrupt communication.

7. The full color RGB LED display heating controller according to claim 1, characterized in that: The main control MCU is model SC95R605, which has a built-in 32MHz oscillator and touch circuit.

8. The full color RGB LED display heating controller according to claim 1, characterized in that: The WIFI communication module uses the Tuya CB3S module, which is connected to the main control MCU via a serial port.

9. The full color RGB LED display heating controller according to claim 1, characterized in that: The temperature and humidity acquisition module uses the SHTC3 temperature and humidity chip and is connected to the main control MCU via I2C communication.

10. The full color RGB LED display heating controller according to claim 1, characterized in that: The button module consists of conductive pads, resistors, and the touch button port of the main control MCU. The resistors are connected in series between the conductive pads and the touch button port of the main control MCU.

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