CN220855492U

CN220855492U - WIFI and remote control timing circuit of socket

Info

Publication number: CN220855492U
Application number: CN202322618336.1U
Authority: CN
Inventors: 胡炜
Original assignee: Ningbo Bainian Electric Appliance Co Ltd
Current assignee: Ningbo Bainian Electric Appliance Co Ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-26
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a WIFI and remote control timing circuit of a socket, which comprises a power supply module for supplying power to each module, a relay module for controlling the output of the socket to be on or off, and a WIFI module, wherein the WIFI module is electrically connected with the relay module, can carry out communication transmission of a WIFI protocol with a mobile phone and can output a control signal to control the relay to be on or off; the RF receiving module is electrically connected with the MCU module and is used for receiving the wireless radio frequency signals and transmitting the received radio frequency data to the MCU module; the MCU module is electrically connected with the WIFI module and is used for converting the received control signals and transmitting the converted control signals to the WIFI module; the power module is electrically connected with the WIFI module, the RF receiving module, the MCU module and the relay module respectively. The timing socket has 3 timing outputs, namely 1, manual key timing, 2, remote control timing, 3, wireless WIFI timing, various timing modes and can be suitable for various scenes.

Description

WIFI and remote control timing circuit of socket

Technical Field

The utility model relates to the technical field of intelligent socket electronic circuits, in particular to a WIFI and remote control timing circuit of a socket.

Background

Along with the popularization of 5G communication, the development of big data and the construction of the Internet of things, the trend of intellectualization has begun to affect various industries, and traditional socket and strip manufacturers also begin to hug intellectualization, so that various intelligent sockets are introduced to be used as the supplement of intelligent home.

The intelligent socket provides a brand new idea: the socket is always powered off, namely, when the intelligent socket is static, namely, the socket is not used, the socket does not have power output, and the electrodes in the socket are completely disconnected from the power supply. The intelligent socket can eliminate standby energy consumption of the electric appliance and save a large amount of electric energy; the socket is in a normally-unpowered state, no electric arc is generated in the plug-in and-plug process of the socket, hidden danger caused by fire disaster is reduced, electric shock danger is avoided, personal safety is ensured, and high safety is achieved.

The general WIFI intelligent socket is characterized in that a physical key module is responsible for directly controlling functions of a socket switch, a network reconfiguration and the like physically; the WIFI module is internally provided with a singlechip chip and a memory chip and is responsible for connecting a router and a remote server, so that the mobile phone can control the socket; and the relay module is responsible for controlling the on-off of the 220V voltage output by the socket.

At present, a general intelligent socket has only one or two timing modes, and the timing modes are not diversified enough.

Disclosure of utility model

The utility model aims to provide a WIFI and remote control timing circuit of a socket, through which a user can set timing not only manually and mechanically at the socket, but also remotely through connecting wireless WIFI with a mobile phone.

The technical aim of the utility model is realized by the following technical scheme: the WIFI and remote control timing circuit of the socket comprises a power supply module for supplying power to each module, a relay module for controlling the socket to be opened or closed, and a WIFI module, wherein the WIFI module is electrically connected with the relay module, can carry out communication transmission of a WIFI protocol with a mobile phone and can output a control signal to control the relay to be closed or opened; the RF receiving module is electrically connected with the MCU module and is used for receiving the wireless radio frequency signals and transmitting the received radio frequency data to the MCU module; the MCU module is electrically connected with the WIFI module and is used for converting the received control signals and transmitting the converted control signals to the WIFI module; the power module is electrically connected with the WIFI module, the RF receiving module, the MCU module and the relay module respectively.

By adopting the technical scheme, the socket timing circuit inputs power to the socket for outputting, the relay controls the socket to output on/off, the WIFI module outputs signals to control the relay to start/stop, 1, manual key timing is performed, key signals are input into the MCU module, and the MCU module converts and outputs the WIFI module to execute operation; 2. remote control timing, remote control of set time, the RF receiving module receives the set signal and transmits the set signal to the MCU module, and the MCU module converts and outputs the WIFI module to execute operation; 3. and the WIFI module executes the operation when the WIFI of the mobile phone is timed and the mobile phone is connected with the WIFI to set time.

The utility model is further provided with: the power supply module outputs two direct-current voltages of 5V and 3.3V, and the power supply module provides 3.3V direct-current voltages for the WIFI module, the MCU module and the RF receiving module; the power module provides 5V direct current voltage for the relay module.

By adopting the technical scheme, the voltage required by the chip and the components is 5V and 3.3V.

The utility model is further provided with: the RF receiving module comprises a radio frequency receiving chip U1 and peripheral circuits thereof, and the working voltage of the chip U1 is 3.3V.

The utility model is further provided with: the RF receiving module receives 433.92MHz frequency band signals of the remote controller.

The utility model is further provided with: the WIFI module is an embedded Wi-Fi module.

The utility model is further provided with: the embedded Wi-Fi module is a low-power consumption module for intelligent doodling development, and the model is TYWE S.

By adopting the technical scheme, the embedded Wi-Fi module intelligently released by the scrawling is economical and efficient.

The utility model is further provided with: the MCU module comprises a chip U2, wherein the chip U2 is provided with eight pins, a VDD pin, a GND pin and six I/O pins.

Through adopting above-mentioned technical scheme, MCU module has a plurality of input and output feet, and output WIFI module after receiving signal data conversion.

The utility model is further provided with: the MCU module further comprises a signal conversion circuit, and the signal conversion circuit outputs a switching signal to the WIFI module.

Through adopting above-mentioned technical scheme, MCU module output button signal to WIFI module, the switch of relay is carried out to WIFI module.

The utility model is further provided with: the signal conversion circuit comprises a resistor R4, a resistor R5 and a capacitor C11, wherein a transistor Q2 and a 3.3V power supply are connected with one end of the resistor R5, the other end of the resistor R5 is connected with a collector of the transistor Q2, meanwhile, the other end of the resistor R5 is also connected with one end of the capacitor C11, the other end of the capacitor C11 is grounded, an emitter of the transistor Q2 is grounded, a base of the transistor Q2 is connected with one end of the resistor R4, and a collector extraction point of the transistor Q2 is used as a signal output point.

The utility model is further provided with: the transistor Q2 is a triode.

The utility model has the following beneficial effects: the socket adopts the WIFI and remote control timing circuit, 3 kinds of timing output can be adopted for the socket, 1, manual key timing, 2, remote control timing, 3 and wireless WIFI timing are adopted for the socket, the timing modes are various, and the socket can be suitable for various scenes.

Drawings

Fig. 1 is a functional block diagram of an embodiment of the present utility model.

Fig. 2 is a schematic circuit diagram of an RF receiving module in an embodiment of the present utility model.

Fig. 3 is a schematic circuit diagram of a WIFI module according to an embodiment of the utility model.

Fig. 4 is a schematic circuit diagram of an MCU module according to an embodiment of the present utility model.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

The WIFI and remote control timing circuit of the socket comprises a WIFI module, an RF receiving module, an MCU module, a power module and a relay module for controlling the output on/off of the socket, as shown in figure 1; the power module is respectively and electrically connected with the WIFI module, the RF receiving module, the MCU module and the relay module, provides electric energy for each module, and comprises two parts of circuits: the AC-DC circuit is used for reducing and rectifying the input alternating current and outputting 5V direct current, the voltage stabilizing circuit is used for converting the 5V direct current voltage into 3.3V direct current voltage, and the power supply module is used for providing 3.3V direct current voltage for the WIFI module, the MCU module and the RF receiving module and providing 5V direct current voltage for the relay module; the WIFI module is electrically connected with the relay module and outputs a control signal to control the relay to be closed/opened; the WIFI module in the embodiment not only can carry out network transmission of the WIFI protocol, but also is provided with an I/O interface, and can be used as a processor to output a control signal to execute control operation; the RF receiving module is electrically connected with the MCU module and transmits the received radio frequency data to the MCU module, and the communication transmission working frequency band of the RF receiving module is 433.92MHz; and the MCU module is electrically connected with the WIFI module and is used for transmitting communication signals with the WIFI module.

As shown in fig. 2, the RF receiving module includes a radio frequency receiving chip U1 and its peripheral circuit, and a pin 1 of the chip U1 is a ground pin, which is grounded; the pin 2 is a radio frequency input pin, the pin 2 is connected with the capacitor C9 and then is connected with the radio frequency receiving end ANT, the receiving end ANT is respectively connected with the grounded inductor L3 in parallel, the grounded capacitor C8 and the capacitor C9 are connected with the grounded inductor L2 in parallel, and the inductors L2 and L3 and the capacitors C8 and C9 form a resonant circuit together, so that noise in a signal is purified with high anti-interference performance; the pin 3 is a power supply pin and is connected with a decoupling capacitor C6 which is grounded, and the pin 3 is connected with a 3.3V voltage output point of the power supply module; the pin 4 is a DDVL power pin and is connected with a decoupling capacitor C6 which is grounded, and is suspended; the pin 5 is a data output pin and is connected with the pin 2 of the MCU chip U2; the foot 6 is a normally closed point and is grounded; the feet 7 are suspended in the air; the pin 8 is connected with a passive crystal oscillator Y1, and the frequency of the passive crystal oscillator Y1 is 13.52127MHz.

As shown in fig. 3, in the embodiment, the WIFI module adopts a low-power consumption embedded Wi-Fi module chip U3 developed by doodling, the model of the chip U3 is TYWE S, which is composed of a high-integration radio frequency chip ESP8285 and a small number of peripheral devices, a Wi-Fi network protocol stack and abundant library functions are built in, TYWE S is an RTOS platform, and a function library of all Wi-Fi MAC and TCP/IP protocols is integrated; the U3 pin 1 of the chip is a power pin and is connected with a 3.3V voltage output point of the power module, and in order to filter circuit noise, the pin 1 is respectively connected with decoupling capacitors C3 and C10 which are grounded in parallel; the pin 3 is a chip grounding pin and is directly grounded; the pin 9 is an output pin and is used for outputting current for controlling the coil attraction of the relay module, and the pin 9 is connected with the relay module; the pin 2 is an LED pin and is connected with a relay state indicator lamp, and the indicator lamp represents the on/off state of the relay; the pin 4 is an LED pin and is connected with the Wi-Fi state indicator lamp LED2 to indicate the running state of the chip U3, a 3.3V power supply, the indicator lamp LED2, the resistor R1 and the pin 4 form a loop, and when the pin 4 outputs a low level, the indicator lamp LED2 is on; the pin 6 is an IO pin, and is connected with the MCU conversion module through key signal input; the other pins are not connected and are empty.

As shown in fig. 4, the MCU conversion module includes a chip U2 and a signal conversion circuit, a pin 1 of the chip U2 is a power pin, and is connected to a 3.3V voltage output point of the power module, and meanwhile, the pin 1 is connected to a decoupling capacitor C5 connected to ground in parallel; the pin 8 is a chip grounding pin and is directly grounded; the pin 2 is an I/O pin, and the pin 5 connected with the chip U2 transmits radio frequency signals; the pin 3 is an I/O pin and is connected with a signal conversion circuit; the pin 4 is an I/O pin and is connected with a mechanical key; the pin 5 is an I/O pin, and is connected with the pin 2 of the chip U3 after the resistor R3 is connected, and information transmission of the relay on/off state is carried out between the two chips, so that the chip U2 is enabled to light up/turn off the relay state indicator light LED1; the pin 7 is an I/O pin, is connected with an LED lamp, and a loop is formed by a 3.3V power supply, the indicator lamp LED1, a resistor R2 and the pin 7, and when the pin 7 outputs a low level, the indicator lamp LED1 is on.

As shown in fig. 4, the signal conversion circuit includes a resistor R4, a resistor R5, a capacitor C11, a transistor Q2, and a 3.3V power supply connected to one end of the resistor R5, where the other end of the resistor R5 is connected to the collector of the transistor Q2, the leading-out point of the collector of the transistor Q2 is used as a signal output point, and meanwhile, the other end of the resistor R5 is also connected to one end of the capacitor C11, the other end of the capacitor C11 is grounded, the emitter of the transistor Q2 is grounded, the base of the transistor Q2 is connected to one end of the resistor R4, and the other end of the resistor R4 is connected to the pin 3 of the chip U2; the transistor Q2 is a diode in this embodiment.

The basic working principle of the utility model is as follows: the socket circuit is from the power input to the socket output, the relay controls the socket output to be on/off, and the WIFI module outputs a signal to control the relay to be started/stopped; 1. the manual key timing is carried out, key signals are input into the MCU module, and the MCU module converts the signals and outputs WIFI module to execute operation; 2. remote control timing, remote control of set time, the RF receiving module receives the set signal and transmits the set signal to the MCU module, and the MCU module converts the signal to output the WIFI module to execute operation; 3. and the WIFI module executes the operation when the WIFI of the mobile phone is timed and the mobile phone is connected with the WIFI to set time.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims

1. The utility model provides a WIFI and remote control timing circuit of socket, includes the power module that supplies power for each module and is used for controlling socket output to open or close, its characterized in that: and also comprises

The WIFI module is electrically connected with the relay module, can carry out communication transmission of a WIFI protocol with the mobile phone and can output a control signal to control the relay to be closed or opened;

The RF receiving module is electrically connected with the MCU module and is used for receiving the wireless radio frequency signals and transmitting the received radio frequency data to the MCU module;

The MCU module is electrically connected with the WIFI module and is used for converting the received control signals and transmitting the converted control signals to the WIFI module;

the power module is electrically connected with the WIFI module, the RF receiving module, the MCU module and the relay module respectively.

2. The WIFI and remote control timing circuit of a socket of claim 1, wherein: the power supply module outputs two direct-current voltages of 5V and 3.3V, and the power supply module provides 3.3V direct-current voltages for the WIFI module, the MCU module and the RF receiving module; the power module provides 5V direct current voltage for the relay module.

3. The WIFI and remote control timing circuit of a socket of claim 2, wherein: the RF receiving module comprises a radio frequency receiving chip U1 and peripheral circuits thereof, and the working voltage of the chip U1 is 3.3V.

4. A WIFI and remote control timing circuit for a socket according to claim 3, wherein: the RF receiving module receives 433.92MHz frequency band signals of the remote controller.

5. The WIFI and remote control timing circuit of a socket of claim 2, wherein: the WIFI module is an embedded Wi-Fi module.

6. The WIFI and remote control timing circuit of a socket of claim 5, wherein: the embedded Wi-Fi module is a low-power consumption module for intelligent doodling development, and the model is TYWE S.

7. The WIFI and remote control timing circuit of a socket of claim 2, wherein: the MCU module comprises a chip U2, wherein the chip U2 is provided with eight pins, a VDD pin, a GND pin and six I/O pins.

8. The WIFI and remote control timing circuit of a socket of claim 7, wherein: the MCU module further comprises a signal conversion circuit, and the signal conversion circuit outputs a switching signal to the WIFI module.

9. The WIFI and remote control timing circuit of a socket of claim 8, wherein: the signal conversion circuit comprises a resistor R4, a resistor R5 and a capacitor C11, wherein a transistor Q2 and a 3.3V power supply are connected with one end of the resistor R5, the other end of the resistor R5 is connected with a collector of the transistor Q2, meanwhile, the other end of the resistor R5 is also connected with one end of the capacitor C11, the other end of the capacitor C11 is grounded, an emitter of the transistor Q2 is grounded, a base of the transistor Q2 is connected with one end of the resistor R4, and a collector extraction point of the transistor Q2 is used as a signal output point.

10. The WIFI and remote control timing circuit of a socket of claim 9, wherein: the transistor Q2 is a triode.