Internet of Things intelligent switch based on mobile phone NFC technology and WeChat applet

Abstract

The invention relates to the technical field of electrical control, in particular to an Internet of Things intelligent switch for starting and stopping charging by touching a charging pile based on a mobile phone NFC technology and a WeChat applet. According to the technical scheme, the intelligent switch comprises an intelligent switch module 1, a WeChat applet interface module 2, an NFC label and control module 3, a monitoring protection module 4 and a switch authority management module 5. The technical effects are that 1, through the WeChat applet and the mobile phone NFC module, a user can use a mobile phone to touch the NFC label to turn on or turn off the intelligent switch, and the intelligent switch can be switched on or off; therefore, the charging pile is turned on or turned off, and the operation convenience is improved. And 2, the user authorizes other people to use the mobile phone to touch the permission of starting the intelligent switch through the WeChat applet, so that the shared power utilization is realized. And 3, the intelligent switch should be connected in series to a power supply line of the charging pile, and the NFC tag should pre-store ID information corresponding to the intelligent switch and can be placed at a position near electric equipment such as the charging pile.

Description

Technical Field

[0001] The present invention relates to the field of electrical control technology, and in particular to an Internet of Things smart switch for starting and stopping charging of a charging pile by touching it based on mobile phone NFC technology and WeChat applet. Background Art

[0002] Traditional charging piles are mainly controlled by manual operation, such as swiping an NFC card to start charging. Although this prevents the charging pile from being stolen, users need to carry NFC cards with them, which can easily cause great inconvenience when the card is lost. Some users choose to add a protective box to ensure that the charging pile is not stolen, but they need to enter a password to open the box every time they charge, which is also more complicated to use. With the development of Internet of Things technology, although some charging piles have remote control functions, there are many steps to open the APP, which is inconvenient to operate. In addition, the permission distribution function of traditional charging piles in authorizing others to charge is also relatively weak. Summary of the invention

[0003] The purpose of the present invention is to provide an Internet of Things smart switch for controlling the switch of a charging pile based on mobile phone NFC technology and WeChat applet. The smart switch can realize the charging control mode of turning on the charging pile by touching it through the NFC function of an ordinary mobile phone and an NFC tag, thereby improving the convenience and applicability of use, and at the same time having a good switch control authority distribution function.

[0004] Technical solution:

[0005] The present invention includes the following modules:

[0006] 1. Smart switch module: This module is connected to the IOT platform through the Internet of Things network and accepts remote control instructions from the IOT platform. The module includes a microcontroller, a relay and a 4G communication module. The microcontroller is used to receive and execute instructions, the relay is used to control the on and off of the circuit, and the 4G communication module is used for data transmission;

[0007] 2. WeChat applet interface module: This module receives the control instructions issued by the user in the WeChat applet and transmits the control instructions to the IOT platform. This module includes a user interaction unit, a data receiving unit and a data processing unit;

[0008] 3. NFC tag and control module: Through a smart terminal with NFC function (such as a smart phone), the linkage information configured in the NFC tag is contacted and read, and the WeChat applet is called up based on the WeChat NFC standard interface to generate specific control instructions. The control instructions are sent to the specific smart switch module through the WeChat applet interface module to realize the switch control of the circuit;

[0009] 4. Monitoring and protection module: real-time monitoring of the current, voltage, power, electricity and temperature of the smart switch. When the temperature is too high or the power is overloaded, the power is automatically cut off and the user is notified through the WeChat applet;

[0010] 5. Switch permission management module: This module allows users to authorize other users in the WeChat applet to use their mobile phones to touch and activate the smart switch within a certain period of time, thereby realizing shared authorization of electrical equipment such as charging piles.

[0011] Technical effect:

[0012] 1. Touch your phone to charge: Through the WeChat applet and the mobile phone NFC module, users can use their mobile phones to touch the NFC tag to start or turn off the smart switch, thereby turning the charging pile on or off, improving the convenience of operation;

[0013] 2. Distribution of switch control permissions: Users authorize others to use their mobile phones to activate smart switches by touching them through the WeChat applet, thereby achieving shared electricity.

[0014] 3. Separate design of smart switch and NFC tag: The smart switch should be connected in series to the power supply line of the charging pile. The NFC tag should save the ID information of the corresponding smart switch in advance and can be placed near the charging pile and other electrical equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 :Smart switch system block diagram

[0016] Figure 2 : Schematic diagram of WeChat applet starting charging

[0017] Figure 3 : Schematic diagram of WeChat applet ending charging

[0018] Figure 4 : NFC control module structure diagram

[0019] Figure 5 :Workflow diagram of monitoring module and safety protection module DETAILED DESCRIPTION

[0020] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments:

[0021] Embodiment 1:

[0022] System composition:

[0023] Intelligent switch control module: including microcontroller, relay, mutual inductor and 4G communication module. The microcontroller is used to receive and execute remote control instructions from the IOT platform, the relay is used to control the on and off of the circuit, the mutual inductor is used for power measurement, and the 4G communication module is used to transmit data with the remote server;

[0024] WeChat applet interface module: including a data receiving unit and a data processing unit. The data receiving unit is used to receive control instructions sent by the WeChat applet, and the data processing unit is used to process the received control instructions and transmit them to the IOT platform;

[0025] NFC tag and control module: including NFC tag, smart terminal (such as smart phone) NFC function module and WeChat applet NFC control module. NFC tag is used to store specific information. Smart terminal NFC function module is used to read the information of NFC tag and forward it to the specified WeChat applet. WeChat applet NFC control module is responsible for processing NFC tag information and generating control instructions to control the relevant operations of smart switch.

[0026] Monitoring and protection module: including current sensor, voltage sensor, temperature sensor and data processing unit. The current sensor, voltage sensor and temperature sensor are used to monitor current, voltage and temperature in real time respectively. The data processing unit is used to collect and process data from each sensor and transmit the processed data to the IOT platform regularly.

[0027] Safety protection module: including an overload detection unit, a temperature detection unit and a power-off control unit. The overload detection unit is used to detect whether the current exceeds a preset overload threshold, the temperature detection unit is used to detect whether the temperature exceeds a preset temperature threshold, and the power-off control unit is used to automatically cut off the power and generate an alarm signal when an overload or high temperature is detected, and prompt the user through the WeChat applet;

[0028] 4G communication module: includes 4G module chip and antenna. The 4G module chip is used to achieve 4G network connection, and the antenna is used to receive and send 4G signals.

[0029] Workflow:

[0030] The user sends remote control instructions through the WeChat applet, and the instructions are transmitted to the IOT platform through the WeChat applet interface module;

[0031] After receiving the command, the microcontroller performs the switch operation through the IOT platform remote control module;

[0032] Users can also use NFC devices to approach the smart switch. After receiving the NFC signal, the NFC control module generates control instructions to control the switch operation;

[0033] The monitoring module monitors current, voltage and temperature in real time and transmits the data to the IOT platform;

[0034] When the safety protection module detects an overload or overtemperature, it automatically cuts off the power and notifies the user through the WeChat applet.

Claims

1. Intelligent circuit breaker, characterized by: include: Smart switch module: This module is connected to the IOT platform through the Internet of Things network and accepts remote control instructions from the IOT platform. The module includes a microcontroller, a relay and a 4G communication module. The microcontroller is used to receive and execute instructions, the relay is used to control the on and off of the circuit, and the 4G communication module is used for data transmission; WeChat applet interface module: This module receives control instructions issued by users in the WeChat applet and transmits the control instructions to the IOT platform. This module includes a data receiving unit and a data processing unit; NFC tag and control module: Through a smart terminal with NFC function (such as a smart phone), the information in the NFC tag is contacted and read, the WeChat applet is called up based on the WeChat NFC standard interface and a control instruction is generated. The control instruction is sent to the smart switch module through the WeChat applet interface module to realize the control of the circuit on and off; Monitoring and protection module: real-time monitoring of the current, voltage, power, electricity, temperature and other information of the smart switch. When the temperature is too high or the power is overloaded, the power is automatically cut off and the user is notified through the WeChat applet; Switch permission management module: This module allows users to authorize other users in the WeChat applet to use their mobile phones to touch the charging pile to start the charging pile within a certain period of time, thereby realizing shared charging of the charging pile.

2. The intelligent circuit breaker according to claim 1, characterized in that: The intelligent switch module comprises: Microcontroller, used to receive and execute remote control instructions from the IOT platform; The 4G communication module is used for data transmission with a remote server, and the 4G communication module includes a 4G module chip and an antenna.

3. The intelligent circuit breaker according to claim 1, characterized in that: The WeChat applet interface module includes: A data receiving unit, used to receive control instructions sent by the WeChat applet; The data processing unit is used to process the received control instructions and transmit them to the microcontroller.

4. The intelligent circuit breaker according to claim 1, characterized in that: The NFC tag and control module include: NFC antenna, used to receive NFC signals; An NFC controller, used to process NFC signals and generate control instructions to control switch operations; Wherein, the NFC controller is connected to the microcontroller to realize short-range switch control.

5. The intelligent circuit breaker according to claim 1, characterized in that: The monitoring and protection module includes: Current sensor, used to monitor current in real time; Voltage sensor, used to monitor voltage in real time; Temperature sensor, used to monitor temperature in real time; The data processing unit is used to collect and process data from the current sensor, voltage sensor and temperature sensor, and transmit the processed data to the IOT platform.

6. Power-off control unit, used to automatically cut off power and generate an alarm signal when overload or high temperature is detected, and prompt the user through WeChat applet or SMS.

7. The intelligent circuit breaker according to claim 1, characterized in that: The switch authority management module includes: This module allows users to authorize other users in the WeChat applet to use their mobile phones to start the charging pile by touching it within a certain period of time, thereby realizing shared charging of the charging pile.

8. The intelligent circuit breaker according to claim 1, characterized in that: The 4G communication module includes: 4G module chip, used to achieve 4G network connection; Antenna, used to receive and send 4G signals; Wherein, the 4G module chip is connected to the microcontroller to realize wireless transmission of data.

9. The intelligent circuit breaker according to claim 1, characterized in that: The intelligent air switch further comprises: The WeChat applet is used to display the real-time power consumption, power, voltage, current and temperature information of the charging pile; The user interface is used to receive user input instructions and perform corresponding operations through the microcontroller.

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