CN206100565U - A WIFI dimming control device - Google Patents

Abstract

The utility model discloses a WIFI dimming control device, characterized by: the dimming control box, including base, upper cover and control circuit board, control circuit board establishes on the base, the upper cover is connected with the pedestal mounting, control circuit board include PCB board, power module, control module, WIFI communication module, pilot lamp and output module, power module, control module, WIFI communication module, pilot lamp and output module install respectively on the PCB board. The utility model discloses not only can adjust through control end or key control, can also improve according to original house switch, install original light switch with WIFI dimming control device when not carrying out too big change on to realize the purpose of material saving cycle development, more had the meaning of popularization, more the environmental protection.

Description

A WIFI dimming control device

technical field

The utility model belongs to the technical field of smart home and relates to a WIFI dimming control device.

Background technique

Wall switches have been around mechanically since the beginning of the 20th century and have continued into the 21st century. With the development of technology and the improvement of living standards, electronic wall switches realized by touch began to appear slowly. This switch has more intelligent functions, such as timing switch, brightness adjustment, wireless remote control and so on. At the same time, with the development of the Internet of Things, the WIFI control method is gradually becoming popular, but the current control method is the connection between the mobile phone and the switch, and the interconnection between the WIFI switch and the switch has not been realized.

The rapid development and popularization of WIFI technology makes it possible to control various home appliances through WIFI network. Through the mature and increasingly popular WIFI network, various Internet terminals can be used to wirelessly control switch electrical products (such as lamps, curtains, air conditioners, etc.), which can cancel the existing switches and remote controls, reduce wiring, and be simple and convenient. Realize the basic functions of smart home at low cost.

Contents of the invention

The purpose of the utility model is to provide a WIFI dimming control device with reasonable structure, flexible adjustment, convenient use and good control effect for the shortcomings of existing dimming or switching devices.

In order to achieve the above object, the utility model adopts the following technical solutions:

A WIFI dimming control device, wherein: the dimming control box includes a base, an upper cover and a control circuit board, the control circuit board is arranged on the base, and the upper cover is connected to the base; the control circuit board includes The PCB board, the power supply module, the control module, the WIFI communication module, the indicator light and the output module, the power supply module, the control module, the WIFI communication module, the indicator light and the output module are installed on the PCB board respectively.

Furthermore, the control module includes a single-chip microcomputer, a detection circuit and a thyristor control circuit, the single-chip microcomputer is respectively connected to the detection circuit and the thyristor control circuit, and the output terminal of the thyristor control circuit is electrically connected to the load.

Further, the power supply module is an AC-DC circuit, the output terminals of the AC-DC circuit respectively output two different voltages, and the input terminals of the AC-DC circuit are electrically connected to the AC power supply.

Furthermore, the output voltages of the AC-DC circuits are respectively 5V and 3.3V, wherein the 5V output terminals are respectively electrically connected to the detection circuit and the thyristor control circuit, and the 3.3V are respectively connected to the WIFI communication module, indicator light, The button is electrically connected to the microcontroller.

Further, the single-chip microcomputer is also connected with the button and the load. The keys include a setting key, a load off key, and a load on key. The single-chip microcomputer is also provided with a connection line connected with the mechanical switch, and the single-chip microcomputer is connected with the original switch of the load through the connection line.

Furthermore, the detection circuit is an optical coupling circuit, and the optical coupling circuit includes a power-on detection circuit and a zero point detection circuit.

Furthermore, the detection circuit also includes a temperature detection circuit.

A WIFI dimming control system, characterized in that: the WIFI dimming control system includes the above-mentioned WIFI dimming control device, a control terminal and a load, the WIFI dimming control device is electrically connected to the load, and the control terminal is connected to the WIFI dimming control device. The light control unit is wirelessly connected via WIFI.

Furthermore, the control terminal includes a mobile computer, a mobile phone and a remote controller.

Work:

First connect 220V directly to the connecting terminal of the utility model, and the mains power will change the voltage to 5V and 3.3V through the 1AC-DC transformer chip circuit, wherein 5V will be controlled by the silicon controlled rectifier on the circuit board, and the alternating current will be powered on and The zero-crossing detection circuit and other parts of the circuit are powered, and 3.3V will supply power to some circuits such as the WIFI module, LED indicators, buttons and single-chip microcomputer on the circuit board. Among them, the single-chip microcomputer controls the LED by detecting the different signals of the WIFI module, buttons, detection circuit (AC power-on and zero-crossing detection circuit) and connecting wires (external wire W1 and external wire W2 connected to both ends of the traditional mechanical switch). The indicator light works with the thyristor control circuit. The WIFI module is connected to the control terminal, so as to realize the multi-mode control and adjustment of the load, including the control terminal, button control and traditional mechanical control methods to realize load switching and adjustment.

The beneficial effects of the utility model:

The control system of the utility model is mainly composed of a dimming control device and a control terminal, the dimming control device is connected to the mains, and the output terminal is connected to the load. When the control signal is sent from the control terminal, the output terminal of the dimming control device will have a corresponding change. The utility model will abandon the original old wall switch style, which has the advantages of miniaturization and movable installation. The dimming control device and the control terminal are connected through wireless communication. The console is powered by a low-voltage battery and controls it by sending wireless signals to the dimming control device. The console can control a single dimming control device or multiple dimming control devices at the same time.

The utility model can not only be controlled and adjusted through the control terminal or buttons, but also can be improved according to the original household switch, and the WIFI dimming control device can be installed on the original load switch without making too many changes, thereby realizing The purpose of saving materials and recycling development is more meaningful for promotion and more environmentally friendly.

Description of drawings

Accompanying drawing 1 is the structural schematic diagram of the WIFI dimming control device of the embodiment;

Accompanying drawing 2 is the schematic diagram of the WIFI dimming control system of the embodiment.

Marks in the figure: 1-top cover, 2-connecting terminal, 3-PCB board, 4-base, 5-button, 6-external wiring W1, 7-external wiring W2, 8-indicator light, 9-WIFI communication module, 10 - SCR.

detailed description

Below with reference to accompanying drawing, the specific embodiment of the present utility model is described in further detail.

Example 1:

As shown in Figure 1 and 2,

A WIFI dimming control device, wherein: the dimming control box includes a base 4, an upper cover 1 and a control circuit board, the control circuit board is arranged on the base 4, and the upper cover 1 is connected to the base 4; The control circuit board includes a PCB board 3, a power supply module, a control module, a WIFI communication module 9, an indicator light 8 and an output module, and the power supply module, a control module, a WIFI communication module 9, an indicator light 8 and an output module are respectively installed on the PCB board 3 superior.

Furthermore, the control module includes a single-chip microcomputer, a detection circuit and a thyristor control circuit, the single-chip microcomputer is respectively connected to the detection circuit and the thyristor control circuit, and the output terminal of the thyristor control circuit is electrically connected to the load.

Further, the power supply module is an AC-DC circuit, the output terminals of the AC-DC circuit respectively output two different voltages, and the input terminals of the AC-DC circuit are electrically connected to the AC power supply.

Furthermore, the output voltages of the AC-DC circuits are respectively 5V and 3.3V, wherein the 5V output terminals are electrically connected to the detection circuit and the thyristor control circuit respectively, and the 3.3V is respectively connected to the WIFI communication module 9 and the indicator light 8. Button 5 is electrically connected to the single-chip electromechanical device.

Furthermore, the single-chip microcomputer is also connected with the button 5 and the load. The keys 5 include a setting key, a load-off key, and a load-on key. The single-chip microcomputer is also provided with a connection line connected with the mechanical switch, and the single-chip microcomputer is connected with the original switch of the load through the connection line.

Furthermore, the detection circuit is an optical coupling circuit, and the optical coupling circuit includes a power-on detection circuit and a zero point detection circuit.

Furthermore, the detection circuit also includes a temperature detection circuit.

A WIFI dimming control system, characterized in that: the WIFI dimming control system includes the above-mentioned WIFI dimming control device, a control terminal and a load, the WIFI dimming control device is electrically connected to the load, and the control terminal is connected to the WIFI dimming control device. The light control unit is wirelessly connected via WIFI.

Furthermore, the control terminal includes a mobile computer, a mobile phone and a remote controller.

when using it:

First, connect 220V directly to the connecting terminal of the utility model, and the mains power will change the voltage to 5V and 3.3V through the AC-DC transformer chip circuit, wherein 5V will control 10 for the thyristor on the circuit board, and the alternating current will be powered on And some circuits such as the zero-crossing detection circuit are powered, and 3.3V will supply power to some circuits such as the WIFI module, LED indicator light, buttons and single-chip microcomputer on the circuit board. Among them, the single-chip microcomputer controls by detecting the different signals of the WIFI module, buttons and detection circuit (AC power-on and zero-crossing detection circuit) and connecting wires (external wire W16 and external wire W2 7 connected to both ends of the traditional mechanical switch) The LED indicator lights work with the thyristor control 10 circuit. The WIFI module is connected to the control terminal, so as to realize the multi-mode control and adjustment of the load, including the control terminal, button control and traditional mechanical control methods to realize load switching and adjustment.

When controlling:

Manual button control: first install the WIFI dimming control device correctly, then power on, and operate the key switch to adjust the WIFI dimming control device. Long press the setting button to reset the utility model, when reset, the LED light will flash quickly. Press the load off key to turn off the load, and press the load on key to close the load.

External mechanical switch control: correctly install the WIFI dimming control device, the two external wires of the W2 and W1 ports of the WIFI dimming control device are connected to other external mechanical switches and powered on. In this way, the external mechanical switch controls the working state of the WIFI dimming control device, and the single-chip microcomputer in the WIFI dimming control device controls the closing of the thyristor control 10 by judging the on-off status of the external wiring W2 7 and W1, so as to achieve the purpose of controlling the lamp.

Network control: After the WIFI dimming control device is installed correctly, the WIFI dimming control device contains a WIFI module. When the WIFI module is connected to the network, connect to the network and WIFI dimming control device for data matching through smart mobile devices such as mobile phones , can make the WIFI dimming control device and the mobile phone connect with each other, and carry out remote control.

Among them, the circuit principle of the AC-DC transformer chip, U1 is the AC-DC power supply chip, U2 is the 3.3V voltage regulator chip, and the two ends of ACL and ACN are respectively connected to the live wire and neutral wire of the mains, and 5V DC can be obtained at +5V Voltage, 3.3V voltage can be obtained at +3.3V.

SCM port setting circuit principle, U5 is a SCM, used to process the peripheral circuit signal and control the peripheral circuit, JI is the programming port of the SCM. Among them, W1 and W2 ports are connected to traditional mechanical switches, and the single-chip microcomputer judges and detects whether the mechanical switch is on or off by analyzing the voltage signal changes of the external wiring W16 and the external wiring W2 7 terminals.

The principle of button detection and LED display control circuit, the buttons include K1-setting button/K2-load-on button/K3-load-off button, when the button K1/K2/K3 is pressed, the voltage at the terminal of K1/K2/K3 will become 0V, when the button is popped up, the voltage at the K1/K2/K3 terminal becomes 3.3V, and the microcontroller can judge whether the button is pressed by analyzing the voltage at the K1/K2/K3 terminal. In addition, the single-chip microcomputer can control whether the LED lamp is lit by changing the voltage of the LED lamp terminal.

WIFI module circuit principle, WIFI module uses serial port communication mode to communicate with single-chip microcomputer. The WIFI module can directly use the WIFI signal to connect to the Internet, so as to realize wireless remote control.

The principle of thyristor output control, the single-chip microcomputer controls the conduction of the thyristor and the magnitude of the passing current through the driving signal, so as to complete the purpose of on-off and dimming control of the load.

Schematic diagram of the temperature monitoring circuit. When the utility model is powered on, its internal circuit will generate heat. The thermistor used in the temperature monitoring circuit has the characteristic that its resistance value is different at different temperatures. Using this characteristic of thermistor The temperature monitoring circuit can send the obtained signal to the single chip microcomputer for processing so as to monitor the temperature in real time.

AC power-on and zero-crossing detection circuit principle, when the utility model is powered on, the AC on the fire line will generate a signal to the single-chip microcomputer through the optocoupler, and the single-chip microcomputer can judge whether the utility model is powered on and the AC zero-crossing situation.

The above-mentioned embodiments are only one of the more preferred specific modes of the utility model, and the usual changes and replacements performed by those skilled in the art within the scope of the technical solution of the utility model shall be included in the protection scope of the utility model.

Claims (7)

1. A WIFI dimming control device, characterized in that: the dimming control box includes a base (4), an upper cover (1) and a control circuit board, the control circuit board is set on the base (4), and the upper The cover (1) is installed and connected to the base (4); the control circuit board includes a PCB board (3), a power module, a control module, a WIFI communication module (9), an indicator light (8) and an output module, a power module, The control module, the WIFI communication module (9), the indicator light (8) and the output module are respectively installed on the PCB board (3). 2. The WIFI dimming control device according to claim 1, characterized in that: the control module includes a single-chip microcomputer, a detection circuit and a thyristor control circuit, and the single-chip microcomputer is connected with the detection circuit and the thyristor control circuit respectively, and can The output end of the silicon controlled control circuit is electrically connected with the load. 3. The WIFI dimming control device according to claim 2, characterized in that: the power supply module is an AC-DC circuit, the output terminals of the AC-DC circuit output two different voltages respectively, and the input terminals of the AC-DC circuit respectively output two different voltages. Electrically connected to an AC power source. 4. The WIFI dimming control device according to claim 3, characterized in that: the voltages output by the AC-DC circuits are respectively 5V and 3.3V, wherein the 5V output terminals are respectively connected with the detection circuit and the thyristor control The circuit is electrically connected, and the 3.3V is respectively electrically connected with the WIFI communication module (9), the indicator light (8), the button (5) and the single-chip electromechanical device. 5. The WIFI dimming control device according to claim 4, characterized in that: the single-chip microcomputer is also connected to the button (5) and the load. 6. The WIFI dimming control device according to claim 2, characterized in that: the detection circuit is an optical coupling circuit, and the optical coupling circuit includes a power-on detection circuit and a zero point detection circuit. 7. The WIFI dimming control device according to claim 2, characterized in that: said detection circuit also includes a temperature detection circuit.