A new type of intelligent panel circuit

Abstract

The utility model relates to switch panel technical field, concretely disclose a novel intelligent panel circuit, including battery charging circuit, USB -to -serial port circuit, RF wireless circuit, buzzer circuit, sensor circuit, colour light control circuit and MCU main control circuit, battery charging circuit, USB -to -serial port circuit, RF wireless circuit, buzzer circuit, sensor circuit, colour light control circuit all with MCU main control circuit electric connection, battery charging circuit charges battery and respectively to USB -to -serial port circuit and MCU main control circuit power supply, RF wireless circuit receives external wireless signal and carries out UART serial communication with MCU main control circuit. The utility model provides two ways of wired power supply and built -in charging battery power supply through the setting battery charging circuit, can choose the power supply mode according to the use scene, realizes that intelligent panel can be moved and used at will like remote controller generally, need not wiring in advance, and it is more flexible, convenient to install.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of switch panels, in particular to a novel intelligent panel circuit. BACKGROUND ART

[0002] Intelligent panel, also known as switch panel, is an interactive interface device integrating electronic display, key operation, wireless communication, wired communication and microprocessor control. Its core feature is intellectualization, that is, it can not only passively display information or receive instructions, but also perform certain data processing, logical judgment, interwork with other devices, and communicate through wireless or buses. To put it simply, it can be understood as an upgraded switch, which replaces the traditional mechanical switch and provides richer and more flexible control. Intelligent panels are widely used in smart home / building control panels, conference room / multimedia control panels. Functions of the intelligent panel include: controlling lighting, curtains, air conditioners, floor heating, fresh air, background music, etc., and setting scene modes (such as "home mode" and "cinema mode").

[0003] Existing intelligent controllers generally have the following defects:

[0004] 1. Power supply mode: single power supply mode, which only supports one of alternating current AC220 or direct current DC12V;

[0005] 2. Installation mode: since wired interface power supply is adopted, the intelligent panel is required to be installed at a fixed position, and wiring needs to be arranged in advance. CONTENT OF THE UTILITY MODEL

[0006] The technical problem to be solved by the utility model is that, aiming at the above defects in the prior art, the utility model provides a novel intelligent panel circuit. By arranging a battery charging circuit, two modes of wired power supply and built-in rechargeable battery power supply are provided, and the power supply mode can be selected according to the use scenario, so that the intelligent panel can be moved and used at will like a remote controller, without wiring in advance, and the installation is more flexible and convenient.

[0007] In order to solve the above technical problem, the technical solution of the utility model is:

[0008] A novel intelligent panel circuit comprises a battery charging circuit, a USB-to-serial port circuit, an RF wireless circuit, a buzzer circuit, a sensor circuit, a color light control circuit and an MCU main control circuit, wherein the battery charging circuit, the USB-to-serial port circuit, the RF wireless circuit, the buzzer circuit, the sensor circuit and the color light control circuit are all electrically connected with the MCU main control circuit, the battery charging circuit charges a battery and supplies power to the USB-to-serial port circuit and the MCU main control circuit respectively, and the RF wireless circuit receives an external wireless signal and performs UART serial communication with the MCU main control circuit.

[0009] Preferably, the MCU main control circuit includes an MCU chip U3, a program programming interface J1, and a reset button S6, wherein the program programming interface J1 and the reset button S6 are both connected to the MCU chip U3.

[0010] Preferably, the battery charging circuit includes a battery interface J2, a toggle switch S1, a voltage regulator U6, a charging management chip U7, and a voltage regulator U8. The battery interface J2 is connected to the battery and the toggle switch S1, the voltage regulator is connected to the toggle switch S1 and the charging management chip U7, and the charging management chip U7 is connected to the voltage regulator U8 and the MCU chip U3.

[0011] Preferably, the USB to serial port circuit includes a USB conversion chip U9, a type-c female connector USB1, resistors R15, R18, and R19. Resistors R15, R18, and R19 are all connected to the type-c female connector USB1, and the USB conversion chip U9 is connected to the MCU chip U3 and the type-c female connector USB1 respectively.

[0012] Preferably, the RF wireless circuit includes an RF chip U1, an onboard antenna ANT1, capacitors C1, C2, and C3, and the RF chip U1 is connected to the MCU chip U3, the onboard antenna ANT1, capacitors C1, C2, and C3 respectively.

[0013] Preferably, the buzzer circuit includes resistor R29, resistor R35, diode D1, transistor Q1 and buzzer B1. Buzzer B1 is connected to resistor R29, diode D1 and transistor Q1 respectively. Resistor R35 is connected to transistor Q1. Resistor R29 and resistor R35 are both connected to MCU chip U3.

[0014] Preferably, the sensor circuit includes a sensor chip U2, resistors R30, R31, and R32, and capacitors C8, C9, C10, and C11. The sensor chip U2 is connected to the MCU chip U3, resistors R30, R31, and R32, and capacitors C8, C9, C10, and C11.

[0015] Preferably, the colored light control circuit includes a constant current drive chip U4, a constant current drive chip U5, and several tri-color lights. The constant current drive chip U4 and the constant current drive chip U5 are respectively connected to the MCU chip U3 and the tri-color lights.

[0016] By adopting the above technical solution, the present invention provides a novel intelligent panel circuit with the following advantages: the battery charging circuit, USB-to-serial port circuit, RF wireless circuit, buzzer circuit, sensor circuit, and colored light control circuit in the intelligent panel circuit are all electrically connected to the MCU main control circuit. The battery charging circuit charges the battery and supplies power to the USB-to-serial port circuit and the MCU main control circuit respectively. The RF wireless circuit receives external wireless signals and communicates with the MCU main control circuit via UART serial port. By setting up the battery charging circuit, two power supply methods are provided: wired power supply and built-in rechargeable battery power supply. The external power supply method is suitable for fixed-location usage scenarios, while the battery power supply is suitable for usage scenarios with flexible locations or where it is difficult to provide a fixed power supply method. The two methods coexist, and the power supply method can be selected according to the usage scenario, so that the intelligent panel can be moved and used freely like a remote control without the need for pre-wiring, making installation more flexible and convenient. Attached Figure Description

[0017] Figure 1 This is a structural block diagram of the present invention;

[0018] Figure 2 This is a circuit diagram of the battery charging circuit in this utility model;

[0019] Figure 3 This is a circuit diagram of the USB to serial port circuit in this utility model;

[0020] Figure 4 This is a circuit diagram of the RF wireless circuit, buzzer circuit, sensor circuit and MCU main control circuit in this utility model;

[0021] Figure 5 This is a circuit diagram of the colored light control circuit in this utility model;

[0022] In the diagram, 1-battery charging circuit, 2-USB to serial port circuit, 3-RF wireless circuit, 4-buzzer circuit, 5-sensor circuit, 6-color light control circuit, and 7-MCU main control circuit. Detailed Implementation

[0023] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element 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.

[0025] 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 at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0026] like Figure 1-5 As shown, this novel smart panel circuit includes a battery charging circuit 1, a USB-to-serial port circuit 2, an RF wireless circuit 3, a buzzer circuit 4, a sensor circuit 5, a colored light control circuit 6, and an MCU main control circuit 7. The battery charging circuit 1, USB-to-serial port circuit 2, RF wireless circuit 3, buzzer circuit 4, sensor circuit 5, and colored light control circuit 6 are all electrically connected to the MCU main control circuit 7. The battery charging circuit 1 charges the battery and supplies power to both the USB-to-serial port circuit 2 and the MCU main control circuit 7. The RF wireless circuit 3 receives external wireless signals and communicates with the MCU main control circuit 7 via UART serial port. Understandably, in practical applications, the battery charging circuit 1, USB-to-serial port circuit 2, RF wireless circuit 3, buzzer circuit 4, sensor circuit 5, colored light control circuit 6, and MCU main control circuit 7 can all be integrated onto a single PCB board and installed in a switch panel.

[0027] Specifically, the MCU main control circuit 7 includes an MCU chip U3, a programming interface J1, and a reset button S6. Both the programming interface J1 and the reset button S6 are connected to the MCU chip U3. It is understood that the MCU chip U3 uses an ES8P5088 chip, which serves as the logic processor for the entire circuit, used to implement wireless communication, buzzer control, color light control, and linkage control, thereby realizing the product's logical functions.

[0028] Specifically, the battery charging circuit 1 includes a battery interface J2, a toggle switch S1, a voltage regulator U6, a charging management chip U7, and a voltage regulator U8. The battery interface J2 is connected to both the battery and the toggle switch S1. The voltage regulator is connected to both the toggle switch S1 and the charging management chip U7. The charging management chip U7 is connected to both the voltage regulator U8 and the MCU chip U3. It is understood that the charging management chip U7 uses an LR4056 chip, and both the voltage regulators U6 and U8 use ME6231A33M3G chips. The battery charging circuit 1 consists of two parts: charging and step-down power supply. It mainly controls the battery's power supply to the device, the 5V power supply to the USB circuit, and the charging of the battery. The toggle switch S1 selects whether the battery provides power. In the charging section, the charging management chip U7 is a complete single-cell lithium-ion battery linear charging management chip. When powered by USB, the charging management chip U7 charges the battery through the battery interface J2. A reverse current protection circuit is formed by diode D1 and resistor R20. The charging circuit consists of the charging management chip U7, capacitors C24, C1, and C2, and resistor R23. Resistors R16 and R17 are used to collect and transmit the battery voltage to the MCU chip U3. The step-down section: U6 and U8 are high-precision CMOS LDO voltage regulators. U6 supplies power to the MCU chip U3, stepping down the battery voltage to 3.3V. U8 provides separate power to the USB-to-serial circuit, stepping down the voltage to 3.3V.

[0029] Specifically, the USB-to-serial circuit 2 includes a USB conversion chip U9, a Type-C female connector USB1, resistors R15, R18, and R19. Resistors R15, R18, and R19 are all connected to the Type-C female connector USB1. The USB conversion chip U9 is connected to both the MCU chip U3 and the Type-C female connector USB1. It is understood that the USB conversion chip U9 uses a CH340E chip and is used to convert the signal input from the Type-C female connector USB1 into a serial port signal for communication with the MCU chip U3.

[0030] Specifically, the RF wireless circuit 3 includes an RF chip U1, an onboard antenna ANT1, capacitors C1, C2, and C3. The RF chip U1 is connected to the MCU chip U3, the onboard antenna ANT1, capacitors C1, C2, and C3. It is understood that the RF chip U1 is an HW3000TR4, a highly integrated wireless transceiver chip, primarily used to receive external wireless signals and communicate with the MCU chip U3 via UART serial communication.

[0031] Specifically, the buzzer circuit 4 includes resistors R29 and R35, diode D1, transistor Q1, and buzzer B1. Buzzer B1 is connected to resistor R29, diode D1, and transistor Q1, respectively. Resistor R35 is connected to transistor Q1. Both resistors R29 and R35 are connected to the MCU chip U3. It can be understood that the buzzer circuit 4 connects to the MCU chip U3 through a common I / O port to achieve the buzzer's response.

[0032] Specifically, the sensor circuit 5 includes a sensor chip U2, resistors R30, R31, and R32, and capacitors C8, C9, C10, and C11. The sensor chip U2 is connected to the MCU chip U3, resistors R30, R31, and R32, and capacitors C8, C9, C10, and C11. It is understood that the sensor chip U2 uses a PAT9125EL-TKIT chip to track the knob rotation action and communicates with the MCU chip U3 via the I2C communication protocol.

[0033] Specifically, the colored light control circuit 6 includes a constant current driver chip U4, a constant current driver chip U5, and several tri-color LEDs. Both constant current driver chips U4 and U5 are connected to the MCU chip U3 and the tri-color LEDs, respectively. The tri-color LEDs include 14 LEDs (RGB1, RGB2, RGB3, RGB4, RGB5, RGB6, RGB7, RGB8, RGB9, RGB10, RGB11, RGB12, RGB13, RGB14). It is understood that both constant current driver chips U4 and U5 use the AW21024QNR chip, which serves as a 24-channel high-precision constant current LED DC current configuration driver. It uses PWM to control each tri-color LED to achieve the effect of mixed colors. Both chips are connected to the MCU chip U3 via the same I2C interface and are controlled by the MCU chip U3.

[0034] Understandably, this utility model has a reasonable design and unique structure, and has the following advantages:

[0035] 1. Power supply method: It adopts two power supply methods: wired power supply and built-in rechargeable battery power supply. The external power supply method is suitable for fixed location usage scenarios, while the battery power supply is suitable for flexible location usage scenarios or where it is difficult to provide a fixed power supply method.

[0036] 2. Communication method: It integrates 485 bus and RF wireless communication, with both methods coexisting, and the choice can be made according to the usage scenario.

[0037] 3. Installation Methods: The smart panel offers two power supply and communication options. For scenarios with a fixed location and available wired power, a wired power supply option can be chosen. In situations requiring frequent relocation or where wired power is unavailable, a battery-powered and RF wireless communication option can be used, allowing the smart panel to be moved and used freely, much like a remote control.

[0038] 4. Ultra-low power consumption: The entire product adopts a low-power design, including a low-power RF wireless module, a low-power optical tracker, and a low-power MCU processor. This ensures that in battery-powered applications, low-frequency use can achieve a year-long usage period with only one charge, while higher-frequency use can achieve a usage period of three months with only one charge.

[0039] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A novel intelligent panel circuit, characterized in that: It includes a battery charging circuit, a USB-to-serial port circuit, an RF wireless circuit, a buzzer circuit, a sensor circuit, a colored light control circuit, and an MCU main control circuit. The battery charging circuit, USB-to-serial port circuit, RF wireless circuit, buzzer circuit, sensor circuit, and colored light control circuit are all electrically connected to the MCU main control circuit. The battery charging circuit charges the battery and supplies power to the USB-to-serial port circuit and the MCU main control circuit respectively. The RF wireless circuit receives external wireless signals and communicates with the MCU main control circuit via UART serial port.

2. The novel intelligent panel circuit according to claim 1, characterized in that: The MCU main control circuit includes an MCU chip U3, a program programming interface J1, and a reset button S6. The program programming interface J1 and the reset button S6 are both connected to the MCU chip U3.

3. The novel intelligent panel circuit according to claim 2, characterized in that: The battery charging circuit includes a battery interface J2, a toggle switch S1, a voltage regulator U6, a charging management chip U7, and a voltage regulator U8. The battery interface J2 is connected to the battery and the toggle switch S1. The voltage regulator is connected to the toggle switch S1 and the charging management chip U7. The charging management chip U7 is connected to the voltage regulator U8 and the MCU chip U3.

4. The novel intelligent panel circuit according to claim 2, characterized in that: The USB to serial port circuit includes a USB conversion chip U9, a type-c female connector USB1, resistors R15, R18, and R19. Resistors R15, R18, and R19 are all connected to the type-c female connector USB1. The USB conversion chip U9 is connected to both the MCU chip U3 and the type-c female connector USB1.

5. The novel intelligent panel circuit according to claim 2, characterized in that: The RF wireless circuit includes an RF chip U1, an onboard antenna ANT1, capacitors C1, C2, and C3. The RF chip U1 is connected to the MCU chip U3, the onboard antenna ANT1, capacitors C1, C2, and C3, respectively.

6. The novel intelligent panel circuit according to claim 2, characterized in that: The buzzer circuit includes resistor R29, resistor R35, diode D1, transistor Q1 and buzzer B1. Buzzer B1 is connected to resistor R29, diode D1 and transistor Q1 respectively. Resistor R35 is connected to transistor Q1. Resistor R29 and resistor R35 are both connected to MCU chip U3.

7. The novel intelligent panel circuit according to claim 2, characterized in that: The sensor circuit includes a sensor chip U2, resistors R30, R31, and R32, and capacitors C8, C9, C10, and C11. The sensor chip U2 is connected to the MCU chip U3, resistors R30, R31, and R32, and capacitors C8, C9, C10, and C11.

8. The novel intelligent panel circuit according to claim 2, characterized in that: The colored light control circuit includes a constant current driver chip U4, a constant current driver chip U5, and several tri-color lights. The constant current driver chip U4 and the constant current driver chip U5 are respectively connected to the MCU chip U3 and the tri-color lights.

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