CN202633672U

CN202633672U - Intelligent socket with metering function

Info

Publication number: CN202633672U
Application number: CN 201120573098
Authority: CN
Inventors: 于忠清; 李鹏; 卜祥峰; 王艳青; 薛鑫
Original assignee: Qingdao Haiersoft Co Ltd
Current assignee: Qingdao Haiersoft Co Ltd
Priority date: 2011-12-31
Filing date: 2011-12-31
Publication date: 2012-12-26
Anticipated expiration: 2021-12-31

Abstract

The utility model relates to a socket device with a metering function, particularly to an intelligent socket with a Zigbee wireless communication function. The intelligent socket of the utility model comprises a control unit part and an AC interface unit part, wherein the control unit comprises a central microcontroller, and a button detection module, an LCD display module, an AC voltage detection module, an AC current detection module, an EEPROM data storage module, and a serial port communication module which are electrically connected with the central microcontroller respectively; the Zigbee wireless communication module is connected with the serial port communication module; a serial port module is electrically connected with the AC interface unit via a power supply management module and carries out information interaction with the central microcontroller via the serial port communication module; and the AC voltage detection module and the AC current detection module carry out sampling at the AC interface. The intelligent socket of the utility model features high intelligent degree, simple operation, and wide functions, and is widely applicable to household intelligence and other fields.

Description

The smart jack that has function of measuring

Technical field

The utility model relates to a kind of socket equipment with function of measuring, relates in particular to the smart jack of band Zigbee wireless communication function.

Background technology

Increasing along with household electrical appliance such as refrigerator, air-conditioning, computers, home-use electric weight also is that when the river rises the boat goes up.So, understand the power consumption of each household electrical appliances for family, just can rationally arrange the use of household electrical appliances, save family's expenditure, avoid unnecessary waste, response country advocates the call of low-carbon (LC) life.Under this background, the socket of band function of measuring arises at the historic moment.Various Metering sockets in the market are a feast for the eyes, but function is all more single, the function of only accomplishing metering and showing; Can not data passes be come out; The user can only add up through the display message of checking socket when information such as statistics power consumption voluntarily, uses very inconvenient.

The development trend of current household electrical appliances is to develop towards direction intelligent, multifunction; Wherein the centralized control of household electrical appliances also is the aspect that the household electrical appliances user relatively is concerned about, like product does not in the market meet intellectuality, multifunction and central controlled requirement obviously.

The utility model content

The technique effect of the utility model can overcome above-mentioned defective, and a kind of smart jack that has function of measuring is provided, and it can satisfy the central controlled requirement of user, makes things convenient for family to use.

For realizing above-mentioned purpose; The utility model adopts following technical scheme: it comprises control unit and two parts of alternating current interface unit; Control unit comprises central micro controller; And the button detection module, LCD display module, alternating current voltage detection module, AC current detection module, EEPROM data memory module, the serial communication module that are electrically connected respectively with central micro controller; The Zigbee wireless communication module is connected with the serial communication module, and serial port module is electrically connected through power management module and alternating current interface unit, carries out information interaction through serial communication module and central micro controller; Alternating current voltage detection module, AC current detection module are sampled from the alternating current interface.

These article are provided with LCD display and 5 buttons, can data such as the detected voltage of bottom metering module, power consumption be shown, and supply user's reference; The user can use the metering project of key change demonstration and change out-of-limit alarm value according to demand.

These article are provided with the access that a general-purpose three-phase socket can satisfy family's electrical equipment commonly used.

Central authorities' microcontroller adopts the ATT7037 model.

Be solidified with embedded software in the microprocessor of these article, can measure, show the alternating current data; Carry out serial communication with Zigbee; Carry out the I2C communication with EEPROM; And can carry out power, electric current, voltage and carry out off-limit alarm; This software can reset to system through reset key.

These article are integrated eeprom chip can be stored data such as user-defined alarm threshold, power consumptions, does not lose with data after guaranteeing power down, and is user-friendly.

Zigbee module that these article are integrated, this module can be carried out wireless telecommunications with the centralized control terminal, has realized Metering socket and centralized control terminal information and data interaction, is to realize central controlled nucleus module.

The utility model is integrated alternating current voltage detection technique, AC current detection technique, serial communication technology, Zigbee wireless communication technique, LCD Driving technique, button detection technique, I2C mechanics of communication.

The intelligent degree of this smart jack is high, and simple to operate, function is wide, can be widely used in fields such as home furnishings intelligent.

Description of drawings

Fig. 1 is the modular structure sketch map of the utility model;

Fig. 2 detects schematic diagram for the utility model alternating voltage;

Fig. 3 detects schematic diagram for the utility model alternating current;

Fig. 4 is the central micro controller schematic diagram of the utility model;

Fig. 5 is the LCD drive principle figure of the utility model;

Fig. 6 is the button schematic diagram of the utility model;

Fig. 7 is the utility model Zigbee and serial communication interface principle figure;

Fig. 8 is the utility model EEPROM pin-saving chip schematic diagram.

Embodiment

The smart jack that has function of measuring of the utility model; Comprise two parts of control unit and alternating current interface unit; Control unit comprises central micro controller; And the button detection module, LCD display module, alternating current voltage detection module, AC current detection module, EEPROM data memory module, the serial communication module that are electrically connected respectively with central micro controller; The Zigbee wireless communication module is connected with the serial communication module, and serial port module is electrically connected through power management module and alternating current interface unit, carries out information interaction through serial communication module and central micro controller; Alternating current voltage detection module, AC current detection module are sampled from the alternating current interface.

The alternating current interface section is shown in alternating current interface section among Fig. 1.Our department is divided into the user provides general-purpose three interfaces, connects alternating current fire wire, zero line, ground wire respectively.This socket is merely the electric main converting interface, electric main is not carried out any processing.Our department is divided into power management module provides electric main, for control section provides power supply; This part provides sampled signal for alternating current voltage detection module and AC current detection module simultaneously.

Control section is shown in Fig. 1 control section.Power management module is that The whole control partly provides DC power supply.For central micro controller, button detection module, LCD display mode, EEPROM data memory module provide 3.3V direct current, for the Zigbee wireless communication module provides 5V direct current.Alternating current voltage detection module, AC current detection module are sampled to alternating current, then sampled signal are passed to central micro controller; The button detection module is responsible for gathering user's input information, and input information is passed to central micro controller; Central authorities' micro controller is responsible for the information of alternating current voltage detection module, AC current detection module, the input of button detection module is handled; Export to the user through LCD display module, serial communication module, Zigbee wireless communication module then, for reference.Wherein the LCD display module is responsible for information is shown to the user; Serial communication module, Zigbee wireless communication module are responsible for information is passed to central authorities' collection control terminal.The data that last central micro controller will be stored deposit EEPROM in through the EEPROM data memory module.

Fig. 2 is the alternating current voltage detection module.J1 connects the alternating current zero line; R2-R11 is a sampling resistor; C4-C7 is a filter capacitor, and J31, J32 connect central micro controller.Alternating current zero line voltage passes to central micro controller through after the R2-R11 dividing potential drop through J31, J32, supplies central micro controller to handle.

Fig. 3 is the AC current detection module.J3, J4 connect sampling resistor; R15-R16 is the sampling divider resistance; R17, R18 are the current limliting protective resistance; C8, C9 are filter capacitor, and J33, J34 connect central micro controller.Alternating current fire wire voltage passes to central micro controller through J33, J34 after passing through R15, R16 dividing potential drop, supplies central micro controller to handle.

Fig. 4 is central micro controller schematic diagram.Adopt the ATT7037 model.C16, C17, R42, OSC1 constitute crystal oscillating circuit, for central micro controller provides clock; R20, C14, SW5, E1 constitute reset circuit, and realize powering on system reset and system deadlock reset; R44 is a pull down resistor resistance, and the 44th pin level is changed to height.The back reset circuit that powers on is that central micro controller provides a low level, and central micro controller is resetted, and whole system brings into operation from initial condition; Crystal oscillator OSC1 starting of oscillation cooperates the C16/C17/R42 clocking after powering on, and supplies central micro controller to use.

Fig. 5 is a LCD display module schematic diagram.LCD1 is a LCD display; R19 is a current-limiting protection resistance, and R38 is a pull-up resistor, in Q1 conduction period not, the level of Q1 and R38 junction is changed to height; R35 is communicated with resistance, is responsible for the transistor AND gate LCD display is coupled together; Q1 is a transistor.It is backlight that Q1 is used for controlling LCD, and LCD the 20th pin is a high level when BKL_EN is low level, backlightly do not light, on the contrary backlight lightening.COM0-COM3, SEG1-SEG14 connect central micro controller, and by central micro controller input LCD drive signal, LCD1 is according to the drive signal video data.

Fig. 6 is a button detection module circuit.R28 is a pull-up resistor, and the level of R28 and SW1 junction is changed to height; R27 is a current-limiting protection resistance; C21 is a filter capacitor; SW1 is a button.After SW1 pressed, the level at KEY4 place was changed to low, otherwise the position is high.

Fig. 7 is Zigbee and serial communication interface principle figure.C24 is a filter capacitor; C5 is the communication interface of Zigbee and serial ports.

Fig. 8 is an EEPROM pin-saving chip schematic diagram.U4 is an eeprom chip; C22 is a filter capacitor; R31, R32 are pull-up resistors, for E2_SCL, E2_SDA provide high level; R33, R34 are current-limiting protection resistance.E2_SCL, E2_SDA connect central micro controller, and central micro controller is carried out the I2C communication through E2_SCL, E2_SDA and EEPROM, sends the data to EEPROM, and EEPROM is stored into data sent in the chip.

Claims

1. smart jack that has function of measuring; Comprise two parts of control unit and alternating current interface unit; It is characterized in that; Control unit comprises central micro controller, and the button detection module, LCD display module, alternating current voltage detection module, AC current detection module, EEPROM data memory module, the serial communication module that are electrically connected respectively with central micro controller, and the Zigbee wireless communication module is connected with the serial communication module; Serial port module is electrically connected through power management module and alternating current interface unit, carries out information interaction through serial communication module and central micro controller; Alternating current voltage detection module, AC current detection module are sampled from the alternating current interface.

2. the smart jack that has function of measuring according to claim 1 is characterized in that, central micro controller adopts the ATT7037 model.