CN210077334U

CN210077334U - Intelligent curtain

Info

Publication number: CN210077334U
Application number: CN201920491855.7U
Authority: CN
Inventors: 张朝敏
Original assignee: Di Ran; Shi Lucong
Current assignee: Di Ran; Shi Lucong
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-02-18
Anticipated expiration: 2029-04-12

Abstract

The utility model discloses an intelligent curtain; the utility model discloses intelligent curtain includes optical detection module, warm and humid detection module, speech recognition module, button module, singlechip, display module, motor module; the single chip microcomputer is connected with the light detection module, the temperature and humidity detection module, the voice recognition module, the key module, the display module and the motor module; the single chip microcomputer is an STC89C51 single chip microcomputer; the intelligent curtain provided by the utility model can control the opening and closing of the curtain in multiple ways, can be controlled by recognizing voice, can be controlled according to ambient light and temperature and humidity, can be controlled manually, has the function of preventing overwinding, and can stop automatically after the curtain is in place; the intelligent curtain is simple in structure, stable in performance, easy to install and simple to operate, and can be applied to various occasions such as families, schools, governments, hospitals and the like.

Description

Intelligent curtain

Technical Field

The utility model relates to an intelligence house field especially relates to an intelligent curtain.

Background

At present, with the progress of society and the development of science and technology, intelligent household series products are gradually entering the lives of people, and intelligent curtains gradually enter the visual field of people. However, most of the conventional curtains are manual type curtains, and most of the automatic curtains can only detect light. Aiming at the problems, the intelligent curtain is designed, and the curtain with strong practicability, high sensitivity, relatively low price and convenience and quickness is valuable and significant.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide an intelligent (window) curtain, this technical scheme is realized like this:

an intelligent curtain comprises a light detection module, a temperature and humidity detection module, a voice recognition module, a key module, a single chip microcomputer, a display module and a motor module; the single chip microcomputer is connected with the light detection module, the temperature and humidity detection module, the voice recognition module, the key module, the display module and the motor module; the singlechip is an STC89C51 singlechip.

Furthermore, the light detection module mainly comprises a photoresistor and an operational amplifier LM358A, and is connected with a P2.2 pin of a singlechip STC89C51, and the non-inverting input end of the operational amplifier is connected with two resistors to obtain a certain voltage; the inverting input terminal is connected to a photo-resistor GL3526, which collects the light of the external surroundings. The photoresistor has the characteristics that the resistance is increased when the light is dark, and the resistance is decreased when the light is bright. The light detection circuit utilizes the characteristic to compare the voltage values of the inverting input end and the non-inverting input end, then sends the compared result into a P2.2 port of the singlechip, and then opens or closes the curtain by controlling the positive and negative rotation of the stepping motor.

Furthermore, the temperature and humidity detection module mainly comprises a temperature and humidity sensor DHT11, and a serial DATA line DATA of the DHT11 is connected with a port P2.1 of the single chip microcomputer and used for the single chip microcomputer to read DATA of the sensor. The DHT11 is a digital temperature and humidity sensor, does not need digital-to-analog conversion, has a very simple wiring mode with a single chip microcomputer, and adopts the same power supply as the power supply of the single chip microcomputer. After power-on, after about 11ms of starting, the temperature and humidity of the surrounding environment can be detected by sending a command. The DHT11 sends the detection result to the single chip microcomputer, the single chip microcomputer respectively compares the sent temperature and humidity with preset temperature and humidity ranges, and the stepping motor is controlled to close the curtain as long as one of the temperature and humidity ranges exceeds the respective preset range; and if the two curtain opening states do not exceed the respective preset ranges, controlling the stepping motor to open the curtain or keeping the curtain opening state unchanged.

Furthermore, the voice recognition module adopts a voice recognition chip LD3320 and related circuits, and adopts an SPI bus mode for communication with the single chip microcomputer, the working voltage is 3.3V, no auxiliary storage chip is required to be externally connected, and the user is not required to train and record in advance, so that the voice recognition can be realized.

Further, the button module is semi-automatic manual control function, through button manual control (window) curtain open or close, only needs the manual work to press "open" or "close" button, and the (window) curtain can automatic shutdown after targetting in place, has set up three button in the design: an "open" key, a "close" key, and a "stop" key.

Furthermore, the display module adopts an LCD1602 display screen, each pin at the DATA end of the LCD1602 is connected with each pin at the P0 port of the singlechip to realize the transmission of display DATA, the VCC of the LCD1602 is connected with a power supply, and the VO is connected with a bias resistor; the RS is connected with a P2.3 pin of the singlechip STC89C51 to control the selection of the register, when the RS is 1, the data register is selected, and when the RS is 0, the instruction register is selected; the R/W is connected with a P2.4 pin of a singlechip STC89C51 to control the selection of read-write operation, when the R/W is 1, the R/W is read, and when the R/W is 0, the R/W is write; the enable terminal E is connected with a P2.5 pin of the singlechip STC89C51, and when E is lowered from a high level to a low level, the liquid crystal module starts to execute a program command.

Further, the motor module adopts a motor driving chip L298N.

The intelligent curtain provided by the utility model can control the opening and closing of the curtain in multiple ways, can be controlled by recognizing voice, can be controlled according to ambient light and temperature and humidity, can be controlled manually, has the function of preventing overwinding, and can stop automatically after the curtain is in place; the intelligent curtain is simple in structure, stable in performance, easy to install and simple to operate, and can be applied to various occasions such as families, schools, governments, hospitals and the like.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments;

fig. 1 is a block diagram of the intelligent curtain system of the present invention.

Fig. 2 is a circuit diagram of the optical detection module of the present invention.

Fig. 3 is a circuit diagram of the temperature and humidity detecting module of the present invention.

Fig. 4 is a circuit diagram of the motor module of the present invention.

Detailed Description

As shown in fig. 1, the intelligent curtain disclosed by the present invention comprises a light detection module, a temperature and humidity detection module, a voice recognition module, a button module, a single chip, a display module, and a motor module; the single chip microcomputer is connected with the light detection module, the temperature and humidity detection module, the voice recognition module, the key module, the display module and the motor module; the singlechip is an STC89C51 singlechip.

In specific implementation, the light detection module mainly comprises a photoresistor and an operational amplifier LM358A, and is connected with a P2.2 pin of a singlechip STC89C51, and the non-inverting input end of the operational amplifier is connected with two resistors to obtain certain voltage; the inverting input terminal is connected to a photo-resistor GL3526, which collects the light of the external surroundings. The photoresistor has the characteristics that the resistance is increased when the light is dark, and the resistance is decreased when the light is bright. The light detection circuit utilizes the characteristic to compare the voltage values of the inverting input end and the non-inverting input end, then sends the compared result into a P2.2 port of the singlechip, and then opens or closes the curtain by controlling the positive and negative rotation of the stepping motor. The circuit connection diagram is shown in fig. 2.

In specific implementation, the temperature and humidity detection module mainly comprises a temperature and humidity sensor DHT11, and a serial DATA line DATA of the DHT11 is connected with a port P2.1 of the single chip microcomputer and used for the single chip microcomputer to read DATA of the sensor. As shown in fig. 3, the DHT11 is a digital temperature and humidity sensor, does not need digital-to-analog conversion, is very simple in connection with the single-chip microcomputer, and adopts the same power supply as the power supply of the single-chip microcomputer. After power-on, after about 11ms of starting, the temperature and humidity of the surrounding environment can be detected by sending a command. The DHT11 sends the detection result to the single chip microcomputer, the single chip microcomputer respectively compares the sent temperature and humidity with preset temperature and humidity ranges, and the stepping motor is controlled to close the curtain as long as one of the temperature and humidity ranges exceeds the respective preset range; and if the two curtain opening states do not exceed the respective preset ranges, controlling the stepping motor to open the curtain or keeping the curtain opening state unchanged.

When the voice recognition device is specifically implemented, the voice recognition module adopts a voice recognition chip LD3320 and related circuits, and communicates with the single chip microcomputer in an SPI bus mode, the working voltage is 3.3V, any external auxiliary storage chip is not needed, and the user does not need to train and record in advance, so that the voice recognition can be realized.

During specific implementation, the button module is semi-automatic manual control function, opens or closes through button manual control (window) curtain, only needs the manual work to press "open" or "close" button, and the (window) curtain can automatic shutdown after targetting in place, has set up three button in the design: an "open" key, a "close" key, and a "stop" key.

In specific implementation, the display module adopts an LCD1602 display screen, each pin at the DATA end of the LCD1602 is connected with each pin at the P0 port of the singlechip to realize transmission of display DATA, the VCC of the LCD1602 is connected with a power supply, and the VO is connected with a bias resistor; the RS is connected with a P2.3 pin of the singlechip STC89C51 to control the selection of the register, when the RS is 1, the data register is selected, and when the RS is 0, the instruction register is selected; the R/W is connected with a P2.4 pin of a singlechip STC89C51 to control the selection of read-write operation, when the R/W is 1, the R/W is read, and when the R/W is 0, the R/W is write; the enable terminal E is connected with a P2.5 pin of the singlechip STC89C51, and when E is lowered from a high level to a low level, the liquid crystal module starts to execute a program command.

In specific implementation, the motor module employs a motor driving chip L298N, as shown in fig. 4.

The embodiment is only one embodiment of the present invention, and for those skilled in the art, other embodiments can be obtained according to the drawings without any creative effort, and are also within the protection scope of the present invention.

Claims

1. An intelligent window covering, characterized in that: the system comprises a light detection module, a temperature and humidity detection module, a voice recognition module, a key module, a single chip microcomputer, a display module and a motor module; the single chip microcomputer is connected with the light detection module, the temperature and humidity detection module, the voice recognition module, the key module, the display module and the motor module; the singlechip is an STC89C51 singlechip.

2. The intelligent window covering of claim 1, wherein: the light detection module is connected with a P2.2 pin of a singlechip STC89C51 by adopting a photosensitive resistor and an operational amplifier LM358A, the non-inverting input end of the operational amplifier is connected with two resistors, and the inverting input end of the operational amplifier is connected with a photosensitive resistor GL 3526.

3. The intelligent window covering of claim 1, wherein: the temperature and humidity detection module adopts a temperature and humidity sensor DHT11, and a serial DATA line DATA of the DHT11 is connected with a P2.1 port of the single chip microcomputer.

4. The intelligent window covering of claim 1, wherein: the voice recognition module adopts a voice recognition chip LD3320 and related circuits, and communicates with the singlechip by adopting an SPI bus mode.

5. The intelligent window covering of claim 1, wherein: the button module is semi-automatic manual control function, sets up: an "open" key, a "close" key, and a "stop" key.

6. The intelligent window covering of claim 1, wherein: the display module adopts an LCD1602 display screen, each pin at the DATA end of the LCD1602 is connected with each pin at the P0 port of the singlechip, the VCC of the LCD1602 is connected with a power supply, and the VO is connected with a bias resistor; the RS end is connected with a P2.3 pin of the singlechip STC89C 51; the R/W end is connected with a P2.4 pin of the singlechip STC89C 51; the enable terminal E is connected with the P2.5 pin of the singlechip STC89C 51.

7. The intelligent window covering of claim 1, wherein: the motor module employs a motor driver chip L298N.