CN204374703U - A kind of intelligent controlling device being applied to socket - Google Patents

Abstract

An intelligent control device applied to a socket is composed of a single-chip microcomputer electrically connected to a 5V direct current power supply output module, a dedicated fan module, a clock module and a display module. Using a single-chip microcomputer or DSP as the control core, it has a 5V constant voltage output port. It only needs an external data line to charge common 5V electrical equipment. It can be adjusted by external buttons to realize the timing opening and closing functions of each socket interface. At the same time You can set the function of temperature and humidity and human body induction to automatically turn on and off the fan, and it has the function of real-time display of time and indoor temperature and humidity. The intelligent control of the socket is realized, and the system has the advantages of simple operation, low operating cost, and strong environmental adaptability.

Description

An intelligent control device applied to socket

technical field

The utility model relates to a power supply control system, in particular to a control device which is used in families, hotels, hospitals, student dormitories, etc., and which has commonly used electronic equipment and can realize intelligent control of external equipment connected behind sockets.

Background technique

Most of the sockets used in daily life are ordinary sockets. When connecting and shutting off external devices, plugs need to be plugged manually. Frequent plugging and plugging is not only very troublesome, but also reduces the service life of the plugs. If the external electrical equipment is commonly used TV, electric fan and other equipment, forgetting to unplug the plug will cause a lot of waste of electric energy; if the external electrical equipment is an electric oven or other heating equipment, it will not only cause waste of electric energy but may also cause disasters . In addition, with the increase of commonly used electronic devices such as mobile phones, IPADs, and mobile power supplies, the number of chargers is also increasing, which not only wastes a lot of resources, but also often confuses when using it. bring great inconvenience. At present, there are smart sockets on the market, but their cost is high, their stability is low, and the sensing distance cannot be adjusted according to different occasions, so the degree of intelligence is not enough.

Contents of the invention

In view of the deficiencies in the prior art, the purpose of this utility model is to provide an intelligent control device applied to the socket, which can output a constant voltage of 5V to supply power to electrical equipment of 5V; it has a fan-specific interface to realize the intelligent control of the fan, and at the same time it can Real-time display of current temperature, humidity and time.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: an intelligent control device applied to the socket, a single-chip microcomputer is respectively electrically connected with the 5V DC power output module, the dedicated fan module, the clock module, and the display module.

The fan-specific module includes a human body detection circuit based on a pyroelectric sensor and a temperature and humidity module, wherein the sensing distance of the pyroelectric sensor is adjusted by connecting a sliding rheostat RW1; the temperature and humidity module is composed of a DTH11 temperature and humidity sensor, and its output The terminal is connected with the I/O port of the microcontroller.

The clock module is composed of a clock chip with a clock memory function, such as a DS1302 clock chip, and the I/O port of the clock chip is correspondingly connected with the I/O of the single-chip microcomputer.

The 5V DC power supply output module is composed of switching power supply chips such as MC34063 or LM2596 chips, and the feedback port of the clock chip is correspondingly connected with the I/O of the single-chip microcomputer. The 5V DC power supply module has multiple protection functions such as overcurrent, overvoltage, overcharge, overdischarge, undervoltage, short circuit, and reverse connection. It can output a large current of more than 1A, and can supply multiple devices for charging at the same time.

The display module can be composed of LCD liquid crystal display or LED display with its own font library, so that the single-chip microcomputer can display the content to be displayed on the screen in real time for reference.

In the utility model, since the number of I/O ports of the single-chip microcomputer is relatively large, the remaining I/O ports can also be used for externally connecting adjustment buttons such as buttons or matrix keyboards outside the above-mentioned peripheral devices.

Because the intelligent control device of the utility model adopts the above-mentioned structure, it can realize functions that ordinary sockets do not have. With a 5V constant voltage output port, it only needs to connect an external data line to realize the power supply to common 5V electrical equipment; it can be adjusted by connecting an external button to realize the timing opening and closing function of each socket interface, and the temperature and humidity can be detected through the temperature and humidity module. The pyroelectric sensor detects whether someone controls it at the same time to realize the automatic opening or closing function of the fan. The display screen can display various working states of the system in real time, such as input voltage, current, real-time temperature, humidity, and current time. Realize the intelligent control of the socket, the system has the advantages of simple operation, low operating cost, and strong environmental adaptability.

Description of drawings

Fig. 1 is a system block diagram of the present utility model;

Fig. 2 is the minimum system circuit diagram of the single-chip microcomputer of the present utility model;

Fig. 3 is the circuit diagram of the fan dedicated module of the present utility model;

Fig. 4 is a schematic structural diagram of a clock module of the present invention;

Fig. 5 is a circuit diagram of a 5V DC power supply output module of the present invention.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

As shown in Figure 1, the intelligent control device of the present utility model comprises 5V DC power supply output module 3, fan special module 4, clock module 5, display module 6, single-chip microcomputer; The module and the display module are electrically connected.

As shown in Figure 2, the single-chip microcomputer is the smallest system composed of STC12C5616AD, with a switch K1 reset circuit, when the system runs out of programs, you can press the switch K1, and the system can reset and start working again.

As shown in Figure 3, the fan-specific module 4 is composed of a pyroelectric sensor module with an ASIC. The adjustment terminal 1 of this module is externally connected to a sliding rheostat RW1. The sensitivity of the sensor induction can be changed by adjusting the size of RW1, thereby changing Sensing distance of the sensor. The signal output port 2 of the pyroelectric sensor is connected to the P1.3 port of the single-chip microcomputer, and the single-chip microcomputer can detect the output signal of the output port 2 of the pyroelectric module through the P1.3 port to judge the sensor

Whether there is someone in the measurement range, if there is someone, the microcontroller can control other I/O output corresponding signals; if there is no one, it can output the opposite signal, which is used to control the on and off of the relay to control the operation or stop of the electric fan. The temperature and humidity module is composed of DTH11 temperature and humidity sensor, and its output signal port 1 is connected to the P3.2 port of the single-chip microcomputer. The single-chip microcomputer can receive the digital signal sent by the output signal port 1 of the temperature and humidity sensor through the P3.2 port, so as to judge the indoor temperature and humidity. Size, so as to control other I/O ports of the microcontroller to control the opening and closing of the fan.

As shown in Figure 4, the clock module is composed of DS1302 clock chip, its 7 pins are connected to the P3.3 port of the single-chip microcomputer, 6 pins are connected to the P3.4 of the single-chip microcomputer, and 5 pins are connected to the P3.5 of the single-chip microcomputer. The MCU can communicate with DS1302 in the I2C way through these ports, so as to display the time on the display screen in real time.

As shown in Figure 5, the 5V DC power output module is composed of MC34063 switching power supply chip. The 220V AC power supply first passes through the small power step-down transformer B1. The transformer has a relatively small volume and a power of about 15W. The output voltage can be customized. The secondary side of the step-down transformer B1 is connected to the AC terminal of the rectifier bridge VD1, and the positive and negative terminals of the rectifier bridge are connected to the positive terminals of capacitors C1 and C2, wherein C1 is a non-polar small-capacity capacitor, and C2 is a large-capacity polar capacitor. It is used to filter out the AC component in the output signal of the rectifier bridge VD1, so as to obtain a relatively smooth DC. The pin 2 of the MC34063 chip is connected to the base of the high-power transistor Q1, and the pin 2 of the MC34063 chip is a PWM output pin, which has a strong driving ability and can be directly used to drive the high-power transistor Q1 and control the on and off of the transistor Q1. So that it can get a larger output current than the MC34063 chip itself can output. Pin 5 of the MC34063 chip is connected to the output port of the A/D module, and the input port of the A/D module is connected to the P3.7 port of the single-chip microcomputer. The single-chip microcomputer can control the A/D conversion chip to output the corresponding fixed value voltage through the P3.7 port , so as to control the output voltage of the MC34063 chip, so that a stable 5V output voltage value can be obtained.

The above-mentioned embodiments mainly illustrate the structure of the present utility model, and do not limit the protection scope of the present utility model. All changes with the same effect made according to the technical concept of the utility model are covered by the utility model application.

Claims (4)

1. be applied to an intelligent controlling device for socket, it is characterized in that: a single-chip microcomputer is electrically connected with 5V direct-current power output module (3), fan specific module (4), clock module (5), display module (6) respectively.

2. a kind of intelligent controlling device being applied to socket according to claim 1, it is characterized in that: described fan specific module (4) comprises human detection circuit based on pyroelectric sensor and humiture module, wherein the distance of reaction of pyroelectric sensor is regulated by access slide rheostat RW1; Humiture module is made up of DTH11 Temperature Humidity Sensor, and its output terminal is connected with single-chip processor i/o mouth.

3. a kind of intelligent controlling device being applied to socket according to claim 1, it is characterized in that: described clock module (5) selects the DS1302 clock chip with clock memory function, the I/O mouth of clock chip is corresponding with the I/O of single-chip microcomputer to be connected.

4. a kind of intelligent controlling device being applied to socket according to claim 1, it is characterized in that: described 5V direct-current power output module (3) selects MC34063 switching power source chip, the feedback port of clock chip is corresponding with the I/O of single-chip microcomputer to be connected.