CN205563350U - Controllable switch control system of power - Google Patents

Abstract

The utility model discloses a switch control system with controllable power, which is characterized in that it comprises a mobile terminal, a wifi module, a power supply module, a control module, a socket module and at least one power adjustment module, wherein the mobile terminal communicates with the The wifi module performs data communication; the wifi module is used to receive the control signal sent by the mobile terminal; the control module is connected with the wifi module and the power adjustment module, and is used to control the output of the power adjustment module according to the control signal; the input terminal of the power adjustment module is connected to the AC The input is connected, and the output end is connected with the socket module for adjusting the output power of the socket module. The technical scheme of the utility model has simple structure and strong reliability, effectively widens the scope of electrical control, and can realize remote control through WiFi; can realize independent control of each hole position on the socket, not only can set the timing switch time of electrical appliances, Moreover, the power regulation function of electrical appliances can be realized.

Description

A power controllable switch control system

technical field

The utility model belongs to the technical field of smart home control, in particular to a switch control system with controllable power.

Background technique

At present, the switch control devices on the market stay in traditional sockets. This kind of wired control cannot get rid of the shackles of connecting wires. However, some smart sockets and other devices on the market have a single control function, which can neither perform multi-channel control nor power on some electrical appliances. adjust. With the further maturity of wireless technology, WiFi wireless control is widely used in the home environment due to its flexibility and convenience in space. With the development of demand and technological progress, the switch control system of smart home is moving towards wireless The development of remote control, multimedia control, and high-speed data transmission has effectively broadened the control range and control functions of the smart home control system.

Therefore, aiming at the defects of the prior art, it is really necessary to propose a technical solution to solve the existing problems of the prior art.

Utility model content

In view of this, it is indeed necessary to provide a power controllable switch control system with simple circuit structure and low cost.

In order to overcome the defects in the prior art, the utility model provides the following technical solutions:

A switch control system with controllable power, including a mobile terminal, a wifi module, a power supply module, a control module, a socket module and at least one power adjustment module, wherein,

The power module is connected to the AC input for power supply of the system;

The mobile terminal performs data communication with the wifi module in a wireless manner;

The wifi module is used to receive the control signal sent by the mobile terminal;

The control module is connected with the wifi module and the power regulation module, and is used to control the output of the power regulation module according to the control signal;

The input end of the power adjustment module is connected to the AC input, and the output end is connected to the socket module for adjusting the output power of the socket module;

The power adjustment module consists of a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a first capacitor C1, a second capacitor C2, a triode Q1, an optical isolation chip U1, and a first thyristor T1. and the second thyristor T2, wherein the first pin of the optical isolation chip U1 is connected to one end of the first resistor R1, and the other end of the first resistor R1 is connected to the power module; the The second pin of the optical isolation chip U1 is connected to the collector of the triode Q1, the emitter of the triode Q1 is connected to the ground, and the base of the triode Q1 is connected to the control module; The third pin of the isolation chip U1 is connected to one end of the third resistor R3, the other end of the third resistor R3 is connected to one end of the first capacitor C1, and the first pin of the first thyristor T1 connected to the third pin, the second pin of the first SCR T1 is connected to the third pin of the second SCR T2, the other end of the first capacitor C1 is connected to the second SCR The first pin of the silicon-controlled silicon T2 is connected to one end of the second capacitor C2 and connected to the socket module as an output end; the fourth pin of the optical isolation chip U1 is connected to one end of the second resistor R2 connected, the other end of the second resistor R2 is connected with the second pin of the second thyristor T2 and one end of the fourth resistor R4 and is connected with the AC input as an input end; the fourth resistor The other end of R4 is connected to the other end of the second capacitor C2.

Preferably, the power adjustment module is connected in series with the live wire or/and the neutral wire of the AC input.

Preferably, the wifi module adopts the HLK-RM04 module of Hi-Link Company.

Preferably, the control module adopts STM32F103 microcontroller.

Preferably, the first thyristor T1 and the second thyristor T2 are bidirectional thyristors.

Preferably, the optical isolation chip U1 adopts an optocoupler chip TLP160 whose output end adopts a bidirectional thyristor wafer.

Compared with the prior art, the technical scheme of the utility model adopts a simple circuit structure to realize a power-controllable switch control system, which has strong reliability, effectively broadens the range of electrical control, and can realize remote control through WiFi; at the same time, it can realize The independent control of each hole on the socket can not only set the timing switch time of the electrical appliance, but also realize the power adjustment function of the electrical appliance.

Description of drawings

Fig. 1 is a functional block diagram of a power controllable switch control system of the present invention.

Fig. 2 is a schematic circuit diagram of a power regulation module in a power controllable switch control system of the present invention.

Fig. 3 is a connection diagram in practical application of a power controllable switch control system of the present invention.

The following specific embodiments will further illustrate the utility model in conjunction with the above-mentioned accompanying drawings.

detailed description

The utility model will be further described below in conjunction with accompanying drawing.

Referring to Fig. 1, it shows a functional block diagram of a power controllable switch control system of the present invention, including a mobile terminal, a wifi module, a power supply module, a control module, a socket module and at least one power adjustment module, wherein the power supply module and The AC input is connected for system power supply; the mobile terminal communicates with the wifi module wirelessly; the wifi module is used to receive the control signal sent by the mobile terminal; the control module is connected with the wifi module and the power adjustment module for The control signal controls the output of the power adjustment module; the input end of the power adjustment module is connected to the AC input, and the output end thereof is connected to the socket module for adjusting the output power of the socket module.

Referring to Fig. 2, it shows a schematic circuit diagram of a power regulation module in a power controllable switch control system of the present invention. The power regulation module consists of a first resistor R1, a second resistor R2, a third resistor R3, and a fourth resistor R4 is composed of the first capacitor C1, the second capacitor C2, the triode Q1, the optical isolation chip U1, the first thyristor T1 and the second thyristor T2, wherein the first pin of the optical isolation chip U1 is connected to the first resistor R1 The other end of the first resistor R1 is connected to the power module; the second leg of the optical isolation chip U1 is connected to the collector of the transistor Q1, the emitter of the transistor Q1 is connected to the ground, and the base of the transistor Q1 The pole is connected to the control module; the third pin of the optical isolation chip U1 is connected to one end of the third resistor R3, the other end of the third resistor R3 is connected to one end of the first capacitor C1, and the first pin of the first thyristor T1 It is connected with the third pin, the second pin of the first thyristor T1 is connected with the third pin of the second thyristor T2, the other end of the first capacitor C1 is connected with the first pin of the second thyristor T2 and One end of the second capacitor C2 is connected as an output end to the socket module; the fourth pin of the optical isolation chip U1 is connected to one end of the second resistor R2, and the other end of the second resistor R2 is connected to the second thyristor T2 The second pin of the fourth resistor R4 is connected to one end of the fourth resistor R4 and connected to the AC input as an input end; the other end of the fourth resistor R4 is connected to the other end of the second capacitor C2.

In the power regulation module (as shown in FIG. 2 ), an optical isolation chip U1 is used to drive the second thyristor T2. Wherein, the optical isolation chip U1 is an optocoupler chip whose output end adopts a bidirectional thyristor chip, and the first thyristor T1 and the second thyristor T2 are bidirectional thyristors. Its on-off is controlled by the PWM wave signal output by the control module. In a single cycle of the PWM waveform, when U1 turns from off to on, capacitor C1 is charged through R2 and R3. When the voltage across C1 reaches a certain level, the first thyristor T1 and the second thyristor T2 are turned on, and the load circuit is energized; after U1 is disconnected, C2 discharges, and the first thyristor T1 and the second thyristor T2 Turn off, causing the load to lose power, and its instantaneous output power drops to 0. In this way, by controlling the duty cycle of the PWM waveform, the on-time length of the optically isolated triac can be controlled, thereby realizing power regulation. When controlling the electrical appliances in the socket module, the mobile terminal sends a control command, which is transmitted to the control module through the WiFi signal, and the control module drives the power adjustment module to control the electrical equipment connected to the socket through the external I/O interface. Control mainly includes instant switch control, timing switch control and power adjustment of electrical appliances.

Referring to Fig. 3, shown is the connection diagram of the present utility model, and the socket module can be a plurality of traditional two-hole sockets, three-hole sockets or USB interface sockets for mobile phone charging, and each socket is connected to one or two power Adjustment module. In a practical application of the utility model, the power cord of the electrical appliance is connected to the hole of the socket module, the main power cord of the socket module is connected to the mains 220V, and the power adjustment module is connected in series to the live wire or/and in zero line. For example, connect a water dispenser to the three-phase jack of the socket, connect the mobile phone to the WIFI module, set the opening time of the water dispenser to 5:00pm-5:30pm, and click OK. At this time, this command is sent from the mobile terminal It is transmitted to the WiFi module through the network. After the WiFi module receives it, the control module controls the power adjustment module to be turned on during the period of 5:00pm-5:30pm, and the circuit is disconnected at other times.

In another embodiment, the LED light bulb is connected to the two-hole socket, and the power of the LED light bulb is set to 80% by sending a control command through the mobile terminal, and the turn-on time is 10:00pm～11:00pm, and the WiFi module sends it to The control module controls the power adjustment module to be turned on during the period of 10:00pm-11:00pm, and the initial brightness is 80% of the rated power. Thereafter, during the time period from 10:00pm to 11:00pm, the brightness can be adjusted arbitrarily between 0% and 100%, and the circuit is disconnected at other times, waiting for new instructions. Similarly, the mobile phone can be connected to the USB jack for charging, and its control process is the same as above. In the embodiment, the electrical controls connected to the three-hole socket, the two-hole socket, and the USB jack are independent of each other, and all of them can be connected to the corresponding electrical appliances to control the switching and function of them. There is no constraint between each jack, and each Execute the content of the control command of the mobile terminal.

In a preferred embodiment, the wifi module adopts the HLK-RM04 module of Hi-Link Company. It is a wireless network transmission module with UART-ETH-WiFi function. Through the corresponding parameter configuration, the function conversion between UART serial port, Ethernet and WiFi can be realized.

The specific parameters of the HLK-RM04 module are as follows:

(1) Network standard: support IEEE802.11n, IEEE802.11g, IEEE802.11b wireless standards, and support IEEE802.3, IEEE802.3u wired standards.

(2) Performance: Under the IEEE802.11n standard, the wireless transmission rate can reach up to 150Mbps; the serial port baud rate can be set within the range of 1200-230400bps.

(3) Wireless Security: Supports wireless MAC address filtering, 64/128/152-bit WEP encryption, and has multiple security mechanisms such as WPA-PSK/WPA2-PSK/WPA/WAP2.

(4) WiFi working mode: the module supports three working modes of wireless network card, wireless access point, and wireless router.

(5) External parameters: The size of the module is 40mm*29mm, and an external antenna can be connected. It is connected to the outside with a 2.0-pitch pin header, which is easier to use.

In a preferred implementation, the specific model of the optical isolation chip U1 can be TLP160, which uses a non-zero-crossing trigger conduction form, so it is applied in the case of alternating current, and at any phase of the alternating current, as long as the input trigger is received signal, the output end will start conducting, so the conduction angle of the alternating current can be changed.

In a preferred embodiment, the control module adopts STM32F103 microcontroller. The STM32F103x enhanced series uses a high-performance ARM32-bit CortexTM-M3-bit RISC core, embedded with a low-speed and high-speed RC oscillator, and can work normally without an external crystal oscillator, which reduces the system cost while reducing the volume. The operating frequency of the system can reach 72MHz, which is the best choice among 32-bit products; there are also real-time clock, interrupt controller, power-saving mode unit, JTAG, timer, comparator, PWM module, UART module, rich enhanced I /O port, when the clock frequency is 72MHz, the power consumption of this model is the lowest among 32-bit microcontrollers.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (6)

1. the on-off control system that a power is controlled, it is characterised in that include mobile terminal, wifi module, Power module, control module, jack module and at least one power conditioning module, wherein,

Described power module is connected with exchanging input, for system power supply；

Described mobile terminal carries out data communication with described wifi module wirelessly；

Described wifi module is for receiving the control signal that described mobile terminal sends；

Described control module is connected with described wifi module and described power conditioning module, for according to described Control signal controls the output of described power conditioning module；

The input of described power conditioning module is connected with exchanging input, its outfan and described jack module It is connected, for regulating the output of described jack module；

Described power conditioning module is by the first resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the first electric capacity C1, the second electric capacity C2, audion Q1, optically isolated chip U1, the first controllable silicon T1 and Second controllable silicon T2 composition, wherein, first foot of described optically isolated chip U1 and the one of described first resistance R1 End is connected, and the other end of described first resistance R1 is connected with power module；Described optically isolated chip U1 Crus secunda be connected with the colelctor electrode of described audion Q1, the emitter stage of described audion Q1 is connected with ground end Connecing, the base stage of described audion Q1 is connected with described control module；3rd foot of described optically isolated chip U1 It is connected with one end of described 3rd resistance R3, the other end of described 3rd resistance R3 and described first electric capacity C1 One end, first foot of described first controllable silicon T1 and the 3rd foot be connected, the of described first controllable silicon T1 Two feet are connected with the 3rd foot of described second controllable silicon T2, the other end of described first electric capacity C1 and described the First foot of two controllable silicon T2 and one end of described second electric capacity C2 are connected and as outfan with described Jack module is connected；4th foot of described optically isolated chip U1 is connected with one end of described second resistance R2 Connect, the other end of described second resistance R2 and the crus secunda of described second controllable silicon T2 and described 4th resistance R4 One end be connected and be connected with exchanging input as input；The other end of described 4th resistance R4 and institute The other end stating the second electric capacity C2 is connected.

The on-off control system that power the most according to claim 1 is controlled, it is characterised in that described merit Rate adjustment module is serially connected in the live wire of exchange input or/and in zero line.

The on-off control system that power the most according to claim 1 is controlled, it is characterised in that wifi mould Block uses the HLK-RM04 module of Hi-Link company.

The on-off control system that power the most according to claim 1 is controlled, it is characterised in that described control Molding block uses STM32F103 microcontroller.

The on-off control system that power the most according to claim 1 is controlled, it is characterised in that described One controllable silicon T1 and the second controllable silicon T2 is bidirectional triode thyristor.

The on-off control system that power the most according to claim 1 is controlled, it is characterised in that described light Isolating chip U1 uses outfan to use the opto-coupler chip TLP160 of bidirectional triode thyristor wafer.