CN106996626A - A kind of home environment intelligent control method and control system - Google Patents

Abstract

The invention discloses a family environment intelligent control method and a control system. The method includes the following steps: preset the air pollution threshold; locate the user's position in real time, monitor the user's speed, judge the user's status and distance from home; monitor the indoor air quality in real time, and control the purifier on according to the user's status: the user is at home When the air quality exceeds the preset threshold of air pollution, the purifier is turned on; when the user leaves home or the air quality does not reach the preset threshold of air pollution, the purifier is turned off; when the user returns home, the air purifier is judged according to the current indoor air quality The required time, combined with the user’s distance and speed from home, calculates the time required to return home, comprehensively purifies the air and the time required for the user to return home, and judges the opening time of the purifier, so that the indoor air will be purified when the user returns home. The intelligent control of the present invention can not only enable the user to enjoy the purified air all the time, but also save electricity and energy with maximum efficiency.

Description

A kind of home environment intelligent control method and control system

technical field

The invention belongs to the field of air purification, and in particular relates to a household air purification system capable of intelligent control.

Background technique

According to the "Special Research Report on China's Smart Air Purifiers", in 2014 domestic brands Haier, Xiaomi, 360 and other Internet manufacturers launched smart air purifiers. According to several years of statistics, the products launched by Haier have the advantages of basic platforms such as Haier Cloud and U+ protocol in the software part, and have launched a series of smart home appliances such as the smart air series; the products launched by Xiaomi have gone through the first and second generations The improvement shows that in terms of intelligence, it has automatic mode, switch mode, and has been reducing noise and energy consumption. However, the intelligence of several existing air purifiers is still limited to artificial remote control or reservation control, and it has not been able to automatically perform the purification function according to the user's state.

Contents of the invention

The object of the present invention is to solve the defects in the prior art, and provide an air cleaning device capable of intelligent control according to the user's status.

In order to achieve the above object, the present invention provides a method for intelligent control of the home environment, which adopts intelligent control and includes the following steps:

(1) Preset: preset air pollution threshold;

(2) User status judgment: real-time positioning of the user's location, monitoring of the user's speed, and judgment of the user's status and distance from home;

(3) Intelligent control: monitor the indoor air quality in real time, and control the opening of the purifier according to the user's status: when the user is at home, when the air quality exceeds the preset threshold of air pollution, the purifier is turned on; when the user leaves home or the air quality does not reach the air quality When the preset threshold is polluted, the purifier is turned off; when the user returns home, the time required to purify the air is judged based on the current indoor air quality, and the time required to return home is calculated based on the distance and speed of the user away from home, and the time required to purify the air is comprehensively calculated based on the time required for the user to purify the air. The time required to return home is used to judge the opening time of the purifier, so that the room is purified air when the user returns home.

Among them, the calculation method of the time required for the user to return home is as follows: real-time positioning of the user's location and storage of the recent user's action trajectory, judging the actual distance from home based on the user's real-time location and action trajectory, and judging the user's real-time Walking speed, so as to calculate the time required for the user to return home.

The intelligent control method of the home environment of the present invention includes manual control, full purification control and the above-mentioned intelligent control that can be selected and switched; when manual control is adopted, the indoor air quality is monitored in real time and sent to the user, and the user sends a purification command to control the operation of the purifier ; When the full purification control is adopted, the real-time control quality is compared with the preset air pollution threshold, and the purifier is turned on when the threshold is exceeded, otherwise the purifier is turned off.

Indoor real-time air quality data is transmitted to the server through the Wi-Fi module and the Internet in turn, and then transmitted to the user terminal through the server; the user position is transmitted to the server through the GPS module installed in the user terminal; user instructions are sent to the purifier through the user terminal through the server .

The above-mentioned air pollution threshold setting adopts the PM2.5 concentration value, and the threshold is set at 40-50 μg/m3; the indoor real-time control quality data is collected by a laser PM2.5 small-volume air quality detection sensor.

The present invention also provides a home environment intelligent control system, comprising an air purifier, an air quality detector, a single-chip microcomputer, a Wi-Fi module, a server, and a user terminal; The modules are connected; the Wi-Fi module is connected to the server by communication; the server is connected to the user terminal by communication; the user terminal is equipped with a GPS module.

Wherein, there are multiple user terminals, which are respectively connected to the server through communication; the user terminals are smart phones.

The single chip microcomputer is connected with the air purifier through the relay.

The above control system also includes a display screen; the display screen is connected to the single-chip microcomputer; the air quality detector includes a PM2.5 detection module, a temperature sensor and a humidity sensor; the PM2.5 detection module, the temperature sensor and the humidity sensor are connected to the single-chip microcomputer respectively.

The PM2.5 detection module uses a laser PM2.5 small-volume air quality detection sensor; the single-chip microcomputer adopts STC89C52RC; the air purifier adopts a plasma belt integrated chip air purifier.

Compared with the prior art, the present invention has the following advantages:

1. The present invention can "memorize" according to the user's habit, can judge according to the user's position and state, and can intelligently switch the working mode according to the user's actual state, which is more in line with the requirements of intelligence: when the user leaves home , this product can detect this event and can automatically turn off the power to save energy. And can monitor the user's real-time location through the GPS module and store and generate the user's recent main home route. When it is detected that the user is going home, it can predict the time when the user arrives home from the departure point according to the user's recent action trajectory, and combined with the PM2. The best air, but also can save energy consumption to the greatest extent.

2. Using the control method of the present invention, the following functions can be achieved: (a) The purifier can automatically turn off or turn on the power supply according to the real-time situation in the room, and the user can use the WeChat applet or APP software for remote control, which can achieve the purification effect while Save energy to the greatest extent; (b) analyze the real-time status of the user, and calculate the time when the user returns home through GPS positioning, and turn on the purification function in advance according to the concentration of pollutants in the home, so that the user can enjoy the purification immediately after returning indoors air without having to wait for the purification process.

3. The indoor air quality can be displayed in real time through the display screen, which is more intuitive; at the same time, the air quality data can be transmitted to the server through the Internet through the built-in Wi-Fi module of the purifier, and then received by the user terminal, which is convenient for the user to remotely control the indoor quality. monitor.

4. The present invention can switch between multiple modes of manual control, full purification control and intelligent control, which is convenient for different users to choose and use individually. And intelligent control can not only enable users to enjoy the purified air all the time, complete its purification function, but also save electricity and energy with maximum efficiency.

Description of drawings

Fig. 1 is the structure schematic diagram of the home environment intelligent control system of the present invention;

Fig. 2 is a schematic circuit diagram of the home environment intelligent control system of the present invention.

detailed description

The present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Fig. 1, the home environment intelligent control system of the present invention includes a power supply, a single-chip microcomputer, a display screen, an air purifier, an air quality detector, a Wi-Fi module, a server and a user terminal. The power supply provides power to the entire circuit. The single-chip microcomputer adopts the STC89C52RC chip, and controls the switch of the negative ion air purifier through the relay (see Figure 2). The air quality detector includes a laser PM2.5 small-volume air quality detection sensor, a temperature sensor and a humidity sensor. The collected PM2.5 concentration, humidity and temperature are sent to the microcontroller, and then the display screen connected through the serial port is used to monitor the current air quality. Data Display. The single-chip microcomputer transmits the air quality data to the server through the Internet through the Wi-Fi module. The serial port Wi-Fi module belongs to the transmission layer of the Internet of Things. Its function is to convert the serial port or TTL level into an embedded module that meets the WIFI wireless network communication standard. It has a built-in wireless network protocol IEEE802.11b.g.n protocol stack and TCP/IP protocol stack. . After the air purifier is embedded with a Wi-Fi module, it can directly use WIFI to connect to the Internet, so as to import the measured data to the server. This module supports a variety of wireless network encryption methods, which can fully guarantee the security of user data: including WEP64/WEP128/ TKIP/CCMP (AES) WEP/WPA-PSK/WPA2-PSK and other encryption modes. At the same time, the Wi-Fi module receives the control command and transmits it to the single-chip microcomputer to control the opening of the air purifier. There can be multiple user terminals, which are set according to the actual resident population of the household. The user terminal uses a smart phone, and the built-in GPS positioning module performs real-time positioning of the mobile phone user, and sends the location information to the single-chip microcomputer through the server to judge the user status. At the same time, the user terminal can be connected to the API interface of the server through the APP software or the WeChat applet to obtain the real-time air quality data in the background room for display, and at the same time, the control mode selection and parameters of the control system can be selected through the APP software or the WeChat applet setting, and can directly send the air purifier start command.

The intelligent control method of the home environment of the present invention includes the following functions:

(1) System parameter setting through the user terminal: preset PM2.5 concentration range u _0- u ₁ (this range can be set according to user needs, such as 40-50 μg/m3).

(2) Select the system control mode through the user terminal: full purification mode, manual mode and intelligent mode.

(3) In the full purification mode, the air quality data is collected in real time through the air quality detector. When the PM2.5 concentration exceeds u ₁ , the single-chip microcomputer controls the opening of the air purifier; when the PM2.5 concentration is less than u ₀ , the single-chip microcomputer controls the shutdown air purifier.

(4) In manual mode, the user sends an instruction to turn on and off the air purifier through the user terminal.

(5) In the intelligent mode, judge the user's status according to the user's real-time location (GPS module positioning) and short-term location changes: leaving home, returning home or at home. When there is a user at home, turn to full purification mode. Turn off the air purifier when all users are away from home. When the user returns home: according to the real-time air quality data, judge the time t ₀ required for purifying the air; Generate) to judge the actual distance from home, combined with the user’s short-term walking distance to judge the user’s real-time walking speed, so as to calculate the time required for the user to return home, when the time required for only one user reaches t ₀ (it can also be preset as t ₀ +10min), turn on the air purifier, turn off the air purifier when the real-time PM2.5 concentration is less than u ₀ , and continue to turn on the air purifier when the real-time PM2.5 concentration exceeds u ₁ , so that the user can breathe The best air, but also can save energy consumption to the greatest extent.

Claims (10)

1. A family environment intelligent control method, characterized in that: the family environment intelligent control method adopts intelligent control, comprising the following steps: (1) Preset: preset air pollution threshold; (2) User status judgment: real-time positioning of the user's location, monitoring of the user's speed, and judgment of the user's status and distance from home; (3) Intelligent control: monitor the indoor air quality in real time, and control the opening of the purifier according to the user's status: when the user is at home, when the air quality exceeds the preset threshold of air pollution, the purifier is turned on; when the user leaves home or the air quality does not reach the air quality When the preset threshold is polluted, the purifier is turned off; when the user returns home, the time required to purify the air is judged based on the current indoor air quality, and the time required to return home is calculated based on the distance and speed of the user away from home, and the time required to purify the air is comprehensively calculated based on the time required for the user to purify the air. The time required to return home is used to judge the opening time of the purifier, so that the indoor air is purified when the user returns home. 2. The intelligent control method for home environment according to claim 1, characterized in that: the calculation method of the time required for the user to return home is: real-time positioning of the user's position and storage of the recent user's action track, according to the user's real-time position and The actual distance from home is judged by the action trajectory, and the real-time walking speed of the user is judged by combining the walking distance of the user in a short period of time, so as to calculate the time required for the user to return home. 3. The intelligent control method of the home environment according to claim 2, characterized in that: the intelligent control method of the home environment includes manual control, full purification control and the intelligent control which can be switched selectively; when manual control is adopted, Monitor the indoor air quality in real time and send it to the user, and the user sends a purification command to control the work of the purifier; when the full purification control is adopted, the real-time control quality is compared with the preset air pollution threshold, and the purifier is turned on when the threshold is exceeded, otherwise it is turned off filter. 4. The home environment intelligent control method according to claim 3, characterized in that: the indoor real-time air quality data is transmitted to the server through the Wi-Fi module and the Internet in turn, and then transmitted to the user terminal through the server; the user position is set in the user terminal The internal GPS module is transmitted to the server; the user instruction is sent to the purifier through the server through the user terminal. 5. The intelligent control method for home environment according to claim 4, characterized in that: the air pollution threshold setting adopts PM2.5 concentration value, and the threshold is 40-50 micrograms/cubic meter; the indoor real-time control quality data is passed Laser PM2.5 is collected by a small-volume air quality detection sensor. 6. A family environment intelligent control system, characterized in that: comprising an air purifier, an air quality detector, a single-chip microcomputer, a Wi-Fi module, a server, a user terminal; The Wi-Fi module is connected; the Wi-Fi module is connected to the server in communication; the server is connected to the user terminal in communication; the user terminal is provided with a GPS module. 7. The intelligent control system for home environment according to claim 6, characterized in that: there are multiple user terminals, which are respectively connected to the server by communication; the user terminals are smart phones. 8. The intelligent control system for home environment according to claim 7, characterized in that: the single-chip microcomputer is connected with the air purifier through a relay. 9. The home environment intelligent control system according to claim 8, characterized in that: the control system also includes a display screen; the display screen is connected to the single-chip microcomputer; the air quality detector includes a PM2.5 detection module , a temperature sensor and a humidity sensor; the PM2.5 detection module, the temperature sensor and the humidity sensor are respectively connected to the single-chip microcomputer. 10. The home environment intelligent control system according to claim 8, characterized in that: the PM2.5 detection module adopts a laser PM2.5 small-volume air quality detection sensor; the single-chip microcomputer adopts STC89C52RC.