CN205543519U - Can be regularly with smart jack of meter electric quantity - Google Patents

Abstract

The utility model relates to an intelligent socket capable of timing and measuring electricity, comprising an intelligent socket hardware device and a matching device for realizing wireless switch control of the socket, power reading, timed disconnection of the socket and setting the use mode of the socket Handheld terminal; the smart socket hardware device includes a microcontroller and a wireless communication circuit connected to it, a power metering circuit, a clock circuit, a relay circuit, a sound alarm circuit and an AC-DC conversion power supply module. The utility model has the functional characteristics of low cost, timing switch and electricity metering, and can help save electricity.

Description

A smart socket capable of timing and measuring electricity

technical field

The utility model relates to the field of smart home and electronic science and technology of the Internet of Things, in particular to an intelligent socket capable of timing and measuring electricity.

Background technique

At present, there are many sockets on the market, including common sockets such as wall-mounted household sockets, power strips, and industrial sockets. In recent years, wireless remote control WIFI smart sockets and other products have also appeared. Ordinary sockets do not have the function of wireless operation, and the products are relatively mature; although the WIFI smart socket has the function of wireless operation, the socket does not have the function of custom disconnection, which is not intelligent enough. At the same time, with the development of smart phones, the operation of smart sockets through mobile terminals is more humanized and the experience is better. Utilizing the existing developed integrated circuit technology, embedded technology, software technology, wireless communication technology, etc., and combining the above technical characteristics, a practical wirelessly operable smart socket can be designed.

Contents of the invention

In view of this, in order to overcome the shortcomings of the existing ordinary sockets that are not intelligent enough, unable to operate wirelessly, and unable to measure electricity at regular intervals, the purpose of this utility model is to provide a practical intelligent socket that can be used for timing and electricity measurement. The app cooperates with the smart socket hardware to realize wireless operation, timing switch socket, auxiliary energy-saving effect, suitable for dormitory, home, office, factory and other occasions.

The utility model is realized by adopting the following scheme: an intelligent socket capable of timing and measuring electricity, including an intelligent socket hardware device and a supporting device used to realize wireless switching control of the socket, power reading, timing disconnection of the socket and setting A handheld terminal in socket usage mode; the smart socket hardware device includes a microcontroller and a wireless communication circuit connected to it, a power metering circuit, a clock circuit, a relay circuit, an audio alarm circuit and an AC/DC conversion power supply module.

Further, the microcontroller is connected to the wireless communication circuit through a serial port; the microcontroller is connected to the power metering circuit through an I/O port configured as an analog-to-digital converter; The flat output I/O port is connected to the relay circuit and the sound alarm circuit; the clock circuit is connected to the microcontroller through the SPI interface; the socket interface of the smart socket is connected to the relay circuit; the external 220V The AC input power supply is connected to the AC-DC conversion power supply module and the socket interface; the output end of the AC-DC conversion power supply module is connected to the microcontroller, wireless communication circuit, clock circuit, power metering circuit and sound alarm circuit ; The handheld terminal communicates with the smart socket through the wireless communication circuit.

Further, the microcontroller includes a low-cost STC series 51 single-chip microcomputer and an STM32 single-chip microcomputer, which are packaged in LQFP-44.

Further, the wireless communication circuit includes a Bluetooth module.

Further, the wireless communication circuit includes a WIFI module.

Further, the electricity metering circuit includes a sampling resistor, an amplifier, an isolator and an A/D converter.

Further, the A/D converter adopts a built-in A/D unit module of a microcontroller.

Further, the clock circuit includes a DS1302 clock chip or other clock chips.

Further, the sound alarm circuit includes a buzzer or other sound alarm devices.

Further, the AC-DC conversion power supply module includes a rectification circuit, a step-down circuit and an LDO voltage stabilization circuit. It adopts miniaturized integrated design and is easy to install according to the miniaturized design.

Further, an application program is installed in the handheld terminal, and the application program is developed based on an Android or IOS system. As long as the handheld terminal has a corresponding application program installed and has a Bluetooth or WIFI function, it can wirelessly communicate with the smart socket, thereby realizing Control of sockets.

Compared with the prior art, the beneficial effect of the utility model is that the terminal device can perform wireless switch operation on the smart socket hardware device set in the socket through the application program, and the smart socket has the function of automatic power measurement, which can be checked in real time through the application program The power consumption information of the equipment on the socket; it has the function of timing switch, and the time can be set through the application program, and the socket is turned off at regular intervals; it has the function of convenient mode setting, and the user can customize the working mode of the suitable socket to realize the monitoring of the power on the socket. Energy saving of electrical equipment.

Description of drawings

Fig. 1 is a system composition frame diagram of the present utility model.

Fig. 2 is the application scheme of the low-cost embodiment of the utility model.

Fig. 3 is the basic work flowchart of the utility model.

detailed description

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

This implementation provides a smart socket capable of timing and measuring power, as shown in Figure 1, including a smart socket hardware device and a matching device for wirelessly switching the socket, reading the power, timing the socket and disconnecting the socket. A handheld terminal for setting the use mode of the socket; the smart socket hardware device includes a microcontroller and a wireless communication circuit connected to it, a power metering circuit, a clock circuit, a relay circuit, an audio alarm circuit and an AC-DC conversion power module. Wherein, the handheld terminal includes a mobile phone, a PAD, and the like. An application program is installed in the handheld terminal, and the application program is developed based on an Android or IOS system. As long as the handheld terminal is installed with a corresponding application program and has Bluetooth or WIFI functions, it can wirelessly communicate with the smart socket, thereby realizing the socket connection. Specifically, it can realize wireless socket control operation, timing setting on and off, power information reading, power saving mode and safe mode setting.

In this embodiment, the microcontroller is connected to the wireless communication circuit through a serial port; the microcontroller is connected to the power metering circuit through an I/O port configured as an analog-to-digital converter; the microcontroller The device is connected to the relay circuit and the sound alarm circuit through the level output I/O port; the clock circuit is connected to the microcontroller through the SPI interface; the socket interface of the smart socket is connected to the relay circuit ; The external 220V AC input power supply is connected to the AC-DC conversion power supply module and the socket interface; the output terminal of the AC-DC conversion power supply module is connected to the microcontroller, wireless communication circuit, clock circuit, power metering circuit and A sound alarm circuit; the handheld terminal communicates with the smart socket through the wireless communication circuit.

In this embodiment, as shown in Figure 2, a low-cost application scheme is provided: the microcontroller is selected from the STC12C5A60S2 single-chip microcomputer of low-cost LQFP-44 pin package, which has its own AD converter, which can save AD conversion appliance cost. In addition, the microcontroller has two serial port resources to meet the needs of work and expansion. The low-cost clock chip DS1302 is selected as the clock circuit; the SOP-8 package is selected, which is beneficial to the integrated package. The electricity metering circuit is composed of a sampling resistor, an amplifier and an AD converter. Among them, the AD converter selects the built-in AD of the one-chip computer, which saves the peripheral space of the circuit. The voltage signal collected by the single-chip microcomputer is converted into current parameters through processing and calculation, and the power information of the electrical equipment is calculated according to the power supply voltage of the electrical equipment. The wireless communication circuit selects a bluetooth module to establish a communication connection between the single-chip microcomputer and the handheld terminal. The AC-DC power conversion module includes a rectifier circuit, a DC step-down circuit, and an LDO circuit. The entire smart socket device is powered by 220V AC, and outputs multiple DC outputs, including 5V and 3.3V. At the same time, reserve a 5V USB external charging socket. The solution of this embodiment not only helps control the cost, but also lowers the working power consumption.

In this embodiment, the basic working flow chart of the smart socket is shown in FIG. 3 : after the socket is powered on, it enters the default working mode, and the socket is used like an ordinary socket at this time. When receiving the request information from the handheld terminal, the socket enters into other working modes. The handheld terminal communicates with the single-chip microcomputer through the Bluetooth module, and can perform wireless switch operation on the socket. At the same time, the timing time of the socket switch can be set, and the clock circuit of the socket is used to provide time information for the device.

The above descriptions are only preferred embodiments of the present utility model, and all equivalent changes and modifications made according to the patent scope of the present utility model shall fall within the scope of the present utility model.

Claims (10)

1. one kind can timing and the smart jack of quantity calculation, it is characterised in that: include a smart jack hardware device and supporting Use wireless carries out on-off control, electricity reads, socket is cut-off in timing and arranges socket using mould in order to realizing to socket The handheld terminal of formula；Described smart jack hardware device include a microcontroller and a coupled wireless communication line, One electric quantity metering circuit, a clock circuit, a relay circuit, an audible alarm circuit and an AC/DC conversion electric power mould Block.

The most according to claim 1 a kind of can timing and the smart jack of quantity calculation, it is characterised in that: described microcontroller It is connected to described wireless communication line by serial ports；Described microcontroller is connected to by being configured to the I/O mouth of analog-digital converter Described electric quantity metering circuit；Described microcontroller is connected to described relay circuit and described sound by level output I/O mouth Warning circuit；Described clock circuit is connected to described microcontroller by SPI interface；The jack interface of described smart jack and institute State relay circuit to be connected；Outside 220V alternating current input power supplying connects with described AC/DC conversion electric power module and described socket Mouth is connected；The outfan of described AC/DC conversion electric power module is connected to described microcontroller, wireless communication line, clock electricity Road, electric quantity metering circuit and audible alarm circuit；Described handheld terminal is inserted with described intelligence by described wireless communication line Seat is attached communication.

The most according to claim 1 a kind of can timing and the smart jack of quantity calculation, it is characterised in that: described microcontroller Device includes low cost S TC series 51 single-chip microcomputers and STM32 single-chip microcomputer.

The most according to claim 1 a kind of can timing and the smart jack of quantity calculation, it is characterised in that: described channel radio News circuit includes bluetooth module.

The most according to claim 1 a kind of can timing and the smart jack of quantity calculation, it is characterised in that: described channel radio News circuit includes WIFI module.

The most according to claim 1 a kind of can timing and the smart jack of quantity calculation, it is characterised in that: described coulant meter Amount circuit includes sampling resistor, amplifier, isolator and A/D converter.

The most according to claim 6 a kind of can timing and the smart jack of quantity calculation, it is characterised in that: described A/D turns Parallel operation uses microcontroller built-in A/D unit module.

The most according to claim 1 a kind of can timing and the smart jack of quantity calculation, it is characterised in that: described clock electricity Road includes DS1302 clock chip.

The most according to claim 1 a kind of can timing and the smart jack of quantity calculation, it is characterised in that: described sound report Alert circuit includes buzzer.

The most according to claim 1 a kind of can timing and the smart jack of quantity calculation, it is characterised in that: described exchange DC conversion power module includes rectification circuit, reduction voltage circuit and LDO mu balanced circuit.