CN104818921A - Intelligent window based on STC12C5A60S2 - Google Patents

Abstract

The invention discloses an intelligent window based on the STC12C5A60S2. The intelligent window comprises a window body, a mechanical transmission part and a control part. The window body comprises a window frame, a movable window body and a fixed window body. The mechanical transmission part comprises a motor and a lead screw. The control part comprises a single-chip microcomputer, a wind speed sensor, a limiting switch, a smoke sensor, a vibration sensor, a raindrop sensor, a temperature sensor, an infrared sensor, an alarm, an indicator lamp, a display screen and a control button. The wind speed sensor, the smoke sensor, the vibration sensor, the raindrop sensor, the temperature sensor and the infrared sensor are connected to the single-chip microcomputer through a preprocessing circuit. The control part further comprises a GSM module. By means of the intelligent window, the indoor temperature is automatically regulated; the indoor harmful gas detection is achieved, and the intelligent window is automatically opened and closed; the outdoor environment detection is achieved, and the intelligent window is automatically closed when wind, rain and dust weather happens; the antitheft function is achieved, the window can be automatically closed, and alarm is achieved; temperature is displayed, the indoor and outdoor temperature comparison is displayed.

Description

A Smart Window Based on STC12C5A60S2

technical field

The invention relates to a smart home, in particular to a smart window based on STC12C5A60S2.

Background technique

A smart home control system can be defined as a process or a system. Using advanced computer technology, network communication technology, and integrated wiring technology, various subsystems related to home life are organically combined, and through overall management, home life is made more comfortable, safe and effective. Compared with ordinary homes, smart homes not only have traditional living functions, but also provide comfortable, safe, high-grade and pleasant family living space. It also transforms the original passive static structure into a tool with active intelligence, provides a full range of information exchange functions, helps families maintain smooth information exchange with the outside world, optimizes people's lifestyles, helps people effectively arrange time, and enhances the safety of home life. Even save money on various energy bills. The network function of the system can provide various functions and means such as remote control, home appliance control, lighting control, indoor and outdoor remote control, window automatic control, burglar alarm, telephone remote control, programmable timing control and computer control. Make life more comfortable, convenient and safe. The smart home control system is widely accepted and applied because of its simple wiring, flexible functions, and easy expansion.

Existing smart windows have a single function, and generally refer to windows equipped with advanced anti-theft, alarm, and automatic closing systems. Another kind of smart window is a device with dimming function composed of organic materials such as glass or transparent plastic and dimming materials. Under certain physical conditions (such as electric field and temperature), this device can change its own transparency or color. , so as to selectively absorb and reflect external thermal radiation and internal thermal diffusion of the tissue to achieve the purpose of adjusting light intensity and indoor temperature.

Contents of the invention

The purpose of the present invention is to provide a smart window based on STC12C5A60S2 to solve the problems raised in the above-mentioned background technology.

To achieve the above object, the present invention provides the following technical solutions:

A smart window based on STC12C5A60S2, including a window, a mechanical transmission part and a control part, the window includes a window frame, a movable window and a fixed window, the fixed window is fixed on one side of the window frame, and the movable window and The window frame is slidingly connected, the mechanical transmission part includes a motor and a screw rod, the motor is fixedly installed on one side of the window frame, one end of the screw rod is connected to the motor, and the other end is fixed on the other side of the window frame. The screw rod is connected with the movable window, and the control part includes a single-chip microcomputer, a wind speed sensor, a limit switch, a smoke sensor, a vibration sensor, a rain sensor, a temperature sensor, an infrared sensor, an alarm, an indicator light, a display screen and control buttons. Wind speed sensor, smoke sensor, vibration sensor, raindrop sensor, temperature sensor and infrared sensor are connected to single-chip microcomputer through preprocessing circuit respectively, and described motor, indicator lamp and display screen are connected to the output end of single-chip microcomputer respectively, and described limit switch and single-chip microcomputer Electrically connected, the motor is electrically connected to the limit switch, the single-chip microcomputer is connected to the power switch, the control button includes a manual switch, and the control part also includes a GSM module.

As a further solution of the present invention: the single-chip microcomputer adopts the STC12C5A60S2 single-chip microcomputer.

As a further solution of the present invention: the smoke sensor adopts MQ-2 type smoke sensor.

As a further solution of the present invention: the wind speed sensor adopts a YGC-FS type wind speed sensor.

As a further solution of the present invention: the raindrop sensor adopts special electronic paste imported from Japan and advanced thick film technology to make sensing elements specially used for detecting raindrops.

As a further solution of the present invention: the temperature sensor adopts a DS18B20 temperature sensor.

As a further solution of the present invention: the display screen adopts an LCD liquid crystal display screen.

As a further solution of the present invention: the GSM module adopts a SIM900A module.

Compared with the prior art, the beneficial effects of the present invention are: automatic adjustment of indoor temperature; indoor harmful gas detection, automatic opening and closing of windows; outdoor environment detection, automatic closing of windows in wind, rain, sand and dust weather; anti-theft function, automatic closing of windows and alarm ;Display temperature, display indoor and outdoor temperature comparison.

Description of drawings

Figure 1 is a schematic diagram of the structure of a smart window based on STC12C5A60S2.

Figure 2 is a schematic structural diagram of the control part of the smart window based on STC12C5A60S2.

Figure 3 is the system schematic diagram of the smart window based on STC12C5A60S2.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-3. In the embodiment of the present invention, a smart window based on STC12C5A60S2 includes a window, a mechanical transmission part and a control part. The window includes a window frame 1, a movable window 2 and a fixed window 3. The fixed window 3 is fixed on one side of the window frame 1, the movable window 2 is slidingly connected with the window frame 1, the mechanical transmission part includes a motor 5 and a screw rod 6, and the motor 5 is fixedly installed on one side of the window frame 1. One end of the screw rod 6 is connected to the motor 5, and the other end is fixed on the other side of the window frame 1. The screw rod 6 is connected to the movable window 2. By controlling the forward rotation and reverse rotation of the motor 5, it is connected with the window frame. 1 The lateral movement of the fixed screw rod 6, thereby realizing the switch state of the window, the control part includes a single-chip microcomputer 4, a wind speed sensor 9, a limit switch 10, a smoke sensor 11, a vibration sensor 12, a raindrop sensor 13, a temperature sensor 14, Infrared sensor 15, alarm 16, indicator light, display screen and control button, described single-chip microcomputer 4 adopts STC12C5A60S2 single-chip microcomputer, takes STC12C5A60S2 single-chip microcomputer as control core to carry out remote control to window, described wind speed sensor 9, smoke sensor 11, vibration sensor 12 , raindrop sensor 13, temperature sensor 14 and infrared sensor 15 are connected to single-chip microcomputer 4 by preprocessing circuit respectively, and described motor 5, indicator light and display screen are connected to the output end of single-chip microcomputer 4 respectively, and described limit switch 10 and single-chip microcomputer 4 Electrically connected, the motor 5 is electrically connected to the limit switch 10, the single-chip microcomputer is connected to the power switch 7, and the control button includes a manual switch 8. When each sensor is triggered, the signal is passed to the STC12C5A60S2 single-chip microcomputer by the preprocessing circuit, The STC12C5A60S2 single-chip microcomputer controls the motor 5 to open and close the window. At the same time, during the operation of the whole system, the corresponding indicator lights and the alarm 16 will also generate respective signals, and the security system can also be manually controlled by the manual switch 8. Part also includes GSM module, which has all the basic functions of communication based on GSM network, such as sending SMS text messages, voice calls, GPRS data transmission, etc.

SCM 4 adopts STC12C5A60S2 series MCU. STC12C5A60S2 is a low-power, high-performance CMOS 8-bit microcontroller with 8K in-system programmable Flash memory. The on-chip Flash allows program memory to be programmed in the system and is also suitable for conventional programmers. On a single chip, with smart 8-bit CPU and in-system programmable Flash, STC12C5A60S2 provides highly flexible and ultra-effective solutions for many embedded control application systems. STC12C5A60S2 has the following standard functions: 8k bytes of Flash, 256 bytes of RAM, 32-bit I/O lines, watchdog timer, 2 data pointers, three 16-bit timers/counters, a 6-vector 2-level interrupt Structure, full-duplex serial port, on-chip crystal oscillator and clock circuit. In addition, STC12C5A60S2 can be reduced to 0Hz static logic operation, supports 2 kinds of software can choose power-saving mode, in idle mode, CPU stops working, allows RAM, timer/counter, serial port, interrupt to continue to work, in power-down protection mode, RAM The content is saved, the oscillator is frozen, and all operations of the microcontroller are stopped until the next interrupt or hardware reset.

The smoke sensor 11 adopts MQ-2 type smoke sensor, which belongs to tin dioxide semiconductor gas sensitive material and belongs to surface ion type N-type semiconductor.

The wind speed sensor 9 adopts a YGC-FS wind speed sensor, and the YGC-FS wind speed sensor adopts a traditional three-wind cup wind speed sensor structure. The wind cup is made of ABS material, which has high strength and good startup. The built-in signal processing unit of the cup body can output corresponding wind speed signal.

The raindrop sensor 13 adopts a new type of sensing element specially used to detect raindrops made of special electronic paste imported from Japan and advanced thick film technology. This element is widely used in various places that need to detect raindrops, such as: It can be used for the automatic control of the computer room where people are in charge, the doors and windows of high-rise hotels, the doors and windows of limousines and buses, and various freight yards, etc., to prevent rain erosion.

Described temperature sensor 14 adopts DS18B20 type temperature sensor.

The display screen adopts LCD liquid crystal display screen.

The GSM module adopts SIM900A module, SIM900A is a compact, high-reliability wireless module, a dual-frequency GSM/GPRS module solution in SMT package, and a powerful processor ARM9216EJ-S core, which can meet low-cost, compact Dimensional development requirements.

The working principle of the present invention is: after the power switch is turned on, after the single-chip microcomputer 4 power supply is connected, the single-chip microcomputer 4 starts to work in a scanning mode after starting, the wind speed sensor 9, the smoke sensor 11, the vibration sensor 12, the raindrop sensor 13, the temperature sensor 14 and the infrared sensor Sensor 15 imports the detected signal into the single-chip microcomputer 4, and the single-chip microcomputer 4 controls the switch and the alarm of the window according to these information. When the limit switch 10 of the window frame received the signal, the motor 5 stopped rotating at once. When smoke was detected, The motor 5 rotates to open the window until the smoke in the room is lower than the set value; when the wind speed sensor 9 and the raindrop sensor 13 detect the weather change, and the infrared sensor 15 receives the window closing signal, the smoke sensor 11 also starts to detect at the same time. Only when the window opening command can be executed, this is done in order to better maintain home safety and protect interior decorations from rain; when the vibration sensor 12 received the vibration signal, the anti-theft alarm 16 would send an alarm signal. Repeating the cycle like this, the single chip microcomputer 4 enters the next cycle and continues to process the signals collected by the sensor.

It will be apparent to those skilled in the art that the invention is not limited to the details of the above-described exemplary embodiments, but that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Accordingly, the embodiments should be regarded in all points of view as exemplary and not restrictive, the scope of the invention being defined by the appended claims rather than the foregoing description, and it is therefore intended that the scope of the invention be defined by the appended claims rather than by the foregoing description. All changes within the meaning and range of equivalents of the elements are embraced in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (8)

1., based on an intelligent window of STC12C5A60S2, comprise forms, mechanical driving part and control section, is characterized in that, described forms comprise window-frame (1), active window (2) and fixed casement window (3), described fixed casement window (3) is fixed on the side of window-frame (1), described active window (2) and window-frame (1) are slidably connected, described mechanical driving part comprises motor (5) and screw mandrel (6), described motor (5) is fixedly mounted on the side of window-frame (1), described screw mandrel (6) one end is connected with motor (5), the other end is fixed on the opposite side of window-frame (1), described screw mandrel (6) is connected with active window (2), and described control section comprises single-chip microcomputer (4), air velocity transducer (9), limit switch (10), Smoke Sensor (11), vibrating sensor (12), Raindrop sensor (13), temperature pick up (14), infrared sensor (15), alarm (16), indicator lamp, display screen and control button, described air velocity transducer (9), Smoke Sensor (11), vibrating sensor (12), Raindrop sensor (13), temperature pick up (14) and infrared sensor (15) are connected to single-chip microcomputer (4) respectively by pre-process circuit, described motor (5), indicator lamp and display screen are connected respectively to the output of single-chip microcomputer (4), described limit switch (10) is electrically connected with single-chip microcomputer (4), described motor (5) is electrically connected with limit switch (10), described single-chip microcomputer (4) connects power switch (7), described control button comprises hand switch (8), and described control section also comprises gsm module.

2. the intelligent window based on STC12C5A60S2 according to claim 1, is characterized in that, described single-chip microcomputer (4) adopts STC12C5A60S2 single-chip microcomputer.

3. the intelligent window based on STC12C5A60S2 according to claim 1, is characterized in that, described Smoke Sensor (11) adopts MQ-2 type Smoke Sensor.

4. the intelligent window based on STC12C5A60S2 according to claim 1, is characterized in that, described air velocity transducer (9) adopts YGC-FS type air velocity transducer.

5. the intelligent window based on STC12C5A60S2 according to claim 1, it is characterized in that, what described Raindrop sensor (13) adopted the special electric slurry of Japanese import and advanced thick film technology to make is specifically designed to the sensing element detecting raindrop.

6. the intelligent window based on STC12C5A60S2 according to claim 1, is characterized in that, described temperature pick up (14) adopts DS18B20 type temperature pick up.

7. the intelligent window based on STC12C5A60S2 according to claim 1, is characterized in that, described display screen adopts LCD liquid crystal display screen.

8. the intelligent window based on STC12C5A60S2 according to claim 1, is characterized in that, described gsm module adopts SIM900A module.