CN209298478U - A wireless control smart socket based on infrared sensor - Google Patents

Abstract

The utility model discloses a wireless control smart socket based on an infrared sensor. The smart socket includes an induction module and a socket module, wherein the socket module includes a relay, a Bluetooth slave, a sub control board and a power adapter, and the induction module includes an infrared sensor, a Bluetooth host, a main control board and a DC power supply; the power adapter will The alternating current is converted into direct current to supply power to the secondary control board; the secondary control board is respectively connected to the Bluetooth slave and the relay to control the opening and closing of the relay; the DC power supply is connected to the power adapter to supply power to the main control board; the main control board is respectively connected to the infrared sensor and the Bluetooth host, The infrared sensor converts the infrared signal into a level signal and transmits it to the main control board. When the infrared signal changes, the Bluetooth host sends a signal to the Bluetooth slave, and the Bluetooth slave transmits the signal to the sub control board to control the closing and opening operation of the relay. Realize the power on and off of the socket. The utility model can realize the active power-on and power-off of the socket, which is both energy-saving and safe.

Description

A wireless control smart socket based on infrared sensor

technical field

The utility model relates to the technical field of smart sockets, in particular to a wireless control smart socket based on an infrared sensor.

Background technique

At present, traditional sockets mostly use push-button switches, which are switched on and off through manual operation by the user, which is likely to cause waste of electricity consumption due to forgetting to turn off the electrical appliance. The existing intelligent sockets, such as timed energy-saving sockets, can control the working time of the sockets by using mechanical timing operations, and can realize the power-on and power-off of electrical appliances with regular electricity consumption time, but they still cannot overcome the cumbersome operation and insufficient flexibility. shortcoming.

The existing sockets have a single application situation, and it is difficult to realize the power off and intelligent lighting of street lamps when there is no one in the classroom.

SUMMARY OF THE INVENTION

The purpose of this utility model is to provide an infrared sensor-based wireless control smart socket with independent power supply for the induction part and the power supply part, so as to reduce the connection and laying of lines and perform fast and safe installation.

The technical solution for realizing the purpose of the utility model is: a wireless control smart socket based on infrared sensor, which is characterized in that it includes an induction module and a socket module;

The socket module includes a relay, a bluetooth slave, a sub-control board and a power adapter; the power adapter is connected to an AC power cord, and converts the alternating current into direct current to supply power to the sub-control board; the sub-control boards are respectively connected to the Bluetooth The low-voltage control end of the slave and the relay controls the opening and closing of the relay; the control normally open end of the relay is connected in series with the live wire of the socket;

The induction module includes an infrared sensor, a Bluetooth host, a main control board and a DC power supply; the DC power supply is connected to a power adapter to supply power to the main control board; the main control board is respectively connected to the infrared sensor and the Bluetooth host;

Further, the secondary control board and the main control board are Arduino Uno control boards.

Further, the infrared sensor adopts a pyroelectric infrared sensor PIR, and the model is RE200B-P.

Further, the power adapter is connected to an AC power cord to convert 220V AC into 12V DC to supply power to the sub-control board.

Further, the D port of the infrared sensor is the power supply ground port, which is connected to the GND1 pin of the main control board; the S port is the signal pin, which is connected to the 12 pin of the main control board; the E port is the power supply positive port, which is connected to the main control board. board's Vin pin.

Further, the model of the Bluetooth slave is HC-05, wherein the RXD, TXD, GND, and Vcc pins are respectively connected to the PD4, PD3, GND, and 5V pins of the main control board.

Further, the model of the relay is TLP521-1, and the normally closed contact CB, the normally open contact CK, and the COM port are respectively connected to the normally closed contact CB, the normally open contact CK, and the COM port through a single-pole three-throw switch, so as to realize the switching of three modes of normally closed-normally open-common socket.

Further, the PD2 pin of the sub-control board is connected to the IN pin of the relay, the PD3 pin is connected to the TXD of the Bluetooth slave, and the PD4 pin is connected to the RXD of the Bluetooth slave.

Further, the Ui end of the power adapter is a DC 220V input, and the Uo end is a DC 9V 170mA output.

Compared with the prior art, the present utility model has significant advantages as follows: (1) The main control board is connected with the DC power supply, and the slave control board is connected with the power adapter, so as to realize the independent power supply to the control board, so that the control board can always maintain Power-on to realize signal control; (2) The Bluetooth host and Bluetooth slave are respectively connected to the main and auxiliary control boards to realize fast line installation and setup, avoiding the trouble of wiring; (3) Only need to install the infrared sensor on the surface of the electrical appliance , connect the power cord of the electrical appliance to the socket-type on-off control module, which is simple and convenient to use; (4) After the infrared sensor recognizes the human activity in the area within a fixed time interval, the signal is transmitted through the bluetooth host and the bluetooth from the The machine is transmitted to the power-off control module of the socket, which realizes the automatic power-on and power-off of safety and environmental protection; (5) the active power-on and power-off of the socket can be realized, which is both energy-saving and safe.

Description of drawings

FIG. 1 is a connection diagram of the electronic device of the wireless control smart socket based on the infrared sensor of the present invention.

Figure 2 is a circuit diagram of the utility model mid-infrared induction RE200B-P.

FIG. 3 is a circuit diagram of the Bluetooth host HC-05 in the utility model.

Fig. 4 is the pin diagram of the main control board of Arduino Uno in the utility model.

Fig. 5 is the circuit diagram of relay TLP521-1 and photoelectric coupler HK3FF-DC5V-SHG in the utility model.

FIG. 6 is a pin diagram of the Arduino Uno slave control board in the utility model.

FIG. 7 is a circuit diagram of the Bluetooth slave HC-05 in the utility model.

FIG. 8 is a circuit diagram of the power adapter in the present invention.

FIG. 9 is an overall hardware structure diagram of the induction module in the present invention.

FIG. 10 is the overall hardware structure diagram of the present invention.

Detailed ways

The utility model is a wireless control smart socket based on an infrared sensor, which comprises an induction module and a socket module;

The socket module includes a relay 1, a Bluetooth slave 4, a secondary control board 3 and a power adapter 2; the power adapter 2 is connected to an AC power cord 9, and converts the alternating current into direct current to supply power to the secondary control board 3; The auxiliary control board 3 is respectively connected to the bluetooth slave 4 and the low-voltage control end of the relay 1 to control the opening and closing of the relay 1; the control normally open end of the relay 1 is connected in series with the live wire of the socket;

The induction module includes an infrared sensor 5, a Bluetooth host 6, a main control board 7 and a DC power supply 8; the DC power supply 8 is connected to the power adapter 2 to supply power to the main control board 7; the main control board 7 is respectively connected to the infrared sensor 5 and bluetooth host 6;

The infrared sensor 5 converts the infrared signal into a level signal and sends it to the main control board 7. When the infrared signal changes, the main control board 7 controls the Bluetooth host 6 to send a power-on or power-off signal to the Bluetooth slave 4, and the Bluetooth slave 4 will The signal is sent to the sub-control board 3, and the sub-control board 3 controls the closing and opening operation of the relay 1 according to the on-off signal to realize the power-on and power-off of the socket.

As a specific example, the secondary control board 3 and the main control board 7 are Arduino Uno control boards.

As a specific example, the infrared sensor 5 adopts a pyroelectric infrared sensor PIR, and the model is RE200B-P.

As a specific example, the power adapter 2 is connected to the AC power cord 9 to convert the 220V AC into 12V DC to supply power to the secondary control board 3 .

As a specific example, the D port of the infrared sensor 5 is the power supply ground port, which is connected to the GND1 pin of the main control board 7; the S port is the signal pin, which is connected to the 12 pin of the main control board 7; E port is the power supply The positive terminal is connected to the Vin pin of the main control board 7.

As a specific example, the model of the Bluetooth slave 4 is HC-05, wherein the RXD, TXD, GND, and Vcc pins are connected to the PD4, PD3, GND, and 5V pins of the main control board 7, respectively.

As a specific example, the model of the relay 1 is TLP521-1, which is connected to the normally closed contact CB, the normally open contact CK, and the COM port respectively through a single-pole three-throw switch, so as to realize three types of normally closed, normally open and ordinary sockets. mode switching.

As a specific example, the PD2 pin of the sub-control board 3 is connected to the IN pin of the relay 1 , the PD3 pin is connected to the TXD of the Bluetooth slave 4 , and the PD4 pin is connected to the RXD of the Bluetooth slave 4 .

As a specific example, the Ui end of the power adapter 2 is a DC 220V input, and the Uo end is a DC 9V170mA output.

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Example

1, the wireless control smart socket based on the infrared sensor of the present invention includes an induction module and a socket module;

The socket module includes a relay 1, a bluetooth slave 4, a secondary control board 3 and a power adapter 2; the power adapter 2 is connected to an AC power cord 9, and converts the alternating current into direct current to supply power to the secondary control board 3; The auxiliary control board 3 is respectively connected to the low-voltage control terminal of the Bluetooth slave 4 and the relay 1 to control the opening and closing of the relay 1; the control normally open terminal of the relay 1 is connected in series with the live wire of the socket;

The induction module includes an infrared sensor 5, a Bluetooth host 6, a main control board 7 and a DC power supply 8; the DC power supply 8 is connected to the power adapter 2 to supply power to the main control board 7; the main control board 7 is respectively connected to the infrared sensor 5 and bluetooth host 6;

The infrared sensor 5 converts the infrared signal into a level signal and sends it to the main control board 7. When the infrared signal changes, the main control board 7 controls the Bluetooth host 6 to send a power-on or power-off signal to the Bluetooth slave 4, and the Bluetooth slave 4 will The signal is sent to the sub-control board 3, and the sub-control board 3 controls the closing and opening operation of the relay 1 according to the on-off signal to realize the power-on and power-off of the socket.

Figure 2 is the circuit diagram of the infrared sensor 5. The model is RE200B-P. The D port is the power supply ground port, which is connected to the GND1 pin of the Arduino main control board 7; the S port is the signal pin, which is connected to the Arduino main control board 7. 12 pins of Arduino; E port is the positive power supply port, which is connected to the Vin pin of Arduino main control board 7.

Figure 3 is the circuit diagram of the Bluetooth host 4. The model is HC-05. The RXD, TXD, GND, and Vcc pins are connected to the PD4, PD3, GND, and 5V pins of the Arduino main control board 7, respectively. Bluetooth module communication requires a pair of two Only the Bluetooth module is interconnected. First, use the AT command to set a common user name and password to achieve the uniqueness and stability of the pairing.

Figure 4 is the pin diagram of the Arduino main control board 7. The model is Arduino Uno. The Arduino main control board 7 is small in size, which can reduce the size of the smart socket. There are sufficient pins for use, and the sleep function and The switching of normal working functions is convenient for the sleep and wake-up of the product itself. The GND1, 12 and Vin pins of the Arduino main control board 7 are respectively connected to the D, S, E pins of the infrared sensor 5, and the PD3 and PD4 pins of the control board are respectively connected to the TXD and RXD of the Bluetooth host 4.

Figure 5 is the circuit diagram of relay 1, the relay adopts the model TLP521-1, the photocoupler adopts HK3FF-DC5V-SHG, the left side is the control terminal of relay 1, the 5V pin provides power support for relay 1 itself, and GND is relay 1 The ground terminal, IN is the signal input of the control terminal of relay 1. The right side is the controlled terminal of relay 1, the COM pin of relay 1 is connected to the ground terminal of the control socket, CB is the normally closed contact of relay 1, CK is the normally open contact of relay 1, and the COM pin is connected One end of the live wire of the controlled socket and the other end of the live wire are respectively connected to the CB, CK, and COM ports through a single-pole, three-throw switch to realize the switching of three modes of normally closed-normally open-common socket.

Figure 6 is the pin diagram of the Arduino sub-control board 3. The model is Arduino Uno. The PD2 pin of the Arduino sub-control board 4 is connected to the IN pin of the relay 1. The PD3 pin of the Arduino sub-control board 3 is connected to the Bluetooth slave. TXD of 4 is connected, PD4 pin of Arduino sub-control board 3 is connected to RXD of Bluetooth slave 4.

Figure 7 is the circuit diagram of the Bluetooth slave 4, the model is HC-05. The RXD, TXD, GND, and Vcc pins are respectively connected to the PD4, PD3, GND, and 5V pins of the Arduino main control board 7, and communicate with the outside world through TXD and RXD. The Bluetooth module has the advantages of low price and low energy consumption, and its connection distance can fully meet the requirements of indoor energy-saving sockets. Bluetooth module communication requires a pair of Bluetooth modules to be interconnected. First, use AT commands to set a common user name and password to achieve uniqueness and stability of pairing. The two Bluetooth modules are respectively connected to the PD3 and PD4 pins of the two Arduino control boards.

FIG. 8 is a circuit diagram of the power adapter 2 . The conversion of the power supply by the power adapter 2 is completed by the main circuit and the control circuit. The left Ui terminal is DC 220V input, and the right Uo terminal is DC 9V 170mA output.

FIG. 9 is a hardware structure diagram of the induction module, including an infrared sensor 5 , a Bluetooth host 6 , a main control board 7 and a DC power supply 8 . The DC power supply 8 is fixedly installed on one side of the main control board 7 and connected to the main control board 7 through wiring; the infrared sensor 5 is located on the left side of the main control board 7 and extends out of the casing for detection.

Figure 10 shows the hardware structure of the socket module, including a normally closed-normally open-normal mode three-state switch 11, an indicator light 12, an Arduino sub-control board 3, a constant current voltage regulator module 13, a relay 1, a photocoupler 14, and three The hole socket 15 and the two-hole socket constitute 16 .

work process:

(1) Connect to the mains power supply and arrange the infrared sensor connected with the communication unit at the detection position, and connect the peripheral electrical appliances to the controlled socket;

(2) Turn on the independent power supply of the infrared sensor, and the infrared sensor transmits the judgment signal of the presence or absence detected in the current range to the communication unit, and the communication unit transmits the signal to the switch control unit.

(3) When the judgment signal of a person is detected, the switch control unit issues an instruction to control the power-on of the controlled socket; when the judgment signal of a person cannot be detected within the set time, the switch control unit issues an instruction to control the power-off of the controlled socket , so that the peripheral electrical appliances are powered off.

Claims (9)

1. a kind of wireless control intelligent socket based on infrared sensor, which is characterized in that including induction module and jack module；

The jack module includes relay (1), bluetooth slave (4), sub-control plate (3) and power supply adaptor (2)；The power supply It is sub-control plate (3) power supply that AC conversion is direct current by adapter (2) connection AC power cord (9)；The sub-control plate (3) it is separately connected the low voltage control end of bluetooth slave (4) and relay (1), controls the folding of relay (1)；The relay (1) control normally open end is connected on the firewire of socket；

The induction module includes infrared sensor (5), bluetooth host (6), master board (7) and DC power supply (8)；It is described straight Galvanic electricity source (8) and power supply adaptor (2) are connected to master board (7) power supply；The master board (7) is separately connected infrared sensing Device (5) and bluetooth host (6).

2. the wireless control intelligent socket according to claim 1 based on infrared sensor, which is characterized in that the pair Control panel (3), master board (7) are Arduino Uno control panel.

3. the wireless control intelligent socket according to claim 2 based on infrared sensor, which is characterized in that described infrared Sensor (5) uses pyroelectric infrared sensor PIR, model RE200B-P.

4. the wireless control intelligent socket according to claim 1,2 or 3 based on infrared sensor, which is characterized in that institute Power supply adaptor (2) access AC power cord (9) is stated, is 12V DC electricity by 220V AC conversion, is supplied for sub-control plate (3) Electricity.

5. the wireless control intelligent socket according to claim 3 based on infrared sensor, which is characterized in that described infrared The port D of sensor (5) is power supply ground port, connects the GND1 pin of master board (7)；The port S is signal pins, connection master 12 pins of control panel (7)；The port E is the positive port that powers, and connects the Vin pin of master board (7).

6. the wireless control intelligent socket according to claim 2 based on infrared sensor, which is characterized in that the bluetooth The model HC-05 of slave (4), wherein RXD, TXD, GND, Vcc pin be separately connected PD4, PD3 of master board (7), GND, 5V pin.

7. the wireless control intelligent socket according to claim 6 based on infrared sensor, which is characterized in that the relay The model TLP521-1 of device (1) is separately connected normally-closed contact CB, normally opened contact CK, COM port by single-pole three-throw switch, Realize the switching of normally closed-normally opened-common socket Three models.

8. the wireless control intelligent socket according to claim 7 based on infrared sensor, which is characterized in that the secondary control The PD2 pin of making sheet (3) is connected with the IN pin of relay (1), PD3 pin is connected with the TXD of bluetooth slave (4), PD4 pin It is connected with the RXD of bluetooth slave (4).

9. the wireless control intelligent socket according to claim 1 based on infrared sensor, which is characterized in that the power supply The end Ui of adapter (2) is direct current 220V input, and the end Uo is direct current 9V 170mA output.