CN102354872A - Intelligent socket and control method thereof - Google Patents

Abstract

The invention discloses an intelligent socket, which comprises a master control socket, a controlled socket, a power supply, a central control unit, a signal detection processing unit and a switch control unit, wherein the signal detection processing unit automatically detects current, voltage or power parameters at the master control socket, and automatically learning and recording through a central control unit, the input end of the switch control unit is connected with the central control unit, the output end of the intelligent socket is connected with a controlled socket to realize the on-off control of the controlled socket, the automatic control method of the intelligent socket mainly comprises the following steps of accessing external equipment, automatically detecting and learning, detecting and comparing in real time and replacing a host, the automatic on-off control of the peripheral equipment is realized through the steps, the invention not only can realize automatic learning and control, and the electric energy is saved, the use safety is good, and the sensitivity is high, so that the method has a good application prospect.

Description

A smart socket and its control method

technical field

The invention relates to the technical field of socket devices, in particular to an intelligent socket and an automatic control method thereof.

Background technique

Household appliances or office electronic equipment generally need to be connected to the power supply through a socket device. With the development of the economy and society and the continuous progress of electronic technology, there are more and more household appliances and office electronic equipment, and their standby energy consumption is already an unavoidable problem. The neglected problem, take the computer as an example, a host is often connected with many peripheral electrical equipment, such as monitors, speakers, printers, scanners, etc. Instruments and other peripherals are still powered on, which not only wastes electric energy, but also reduces the service life of the equipment, and also brings potential safety hazards.

In order to solve the above problems, some people have designed a smart socket. When the current current of the electrical appliances connected to the main socket is lower than a certain value of the normal working current, it will automatically cut off the power supply of the peripherals connected to the controlled socket. However, this design The disadvantage is that the sensitivity is not high enough. For example, when the working current of the electrical appliance connected to the main socket is relatively small, the current in the shutdown or standby state is very different from the working current. At this time, it may not be detected and cannot be reached. The function of cutting off the power supply of the controlled socket, and the current smart socket needs to manually press the learning button to detect and record when detecting and recording the working current of the main control socket, and it cannot realize automatic processing, which is not convenient to use.

In view of the above-mentioned defects and existing problems, it is necessary to propose new improvements to the design of the existing smart socket.

Contents of the invention

In view of the above problems, the present invention provides an intelligent socket capable of automatic learning and a control method thereof.

The technical scheme that the present invention adopts for solving its technical problem is:

An intelligent socket is characterized in that it includes: a main control socket, a controlled socket, a power supply, a central control unit, a signal detection processing unit and a switch control unit, the input end of the signal detection processing unit is connected with a fire wire, and the output end is connected to the central The control unit is connected, and its detection end is connected with the live wire end of the main control socket, so as to automatically detect the current, voltage or power parameters at the main control socket, and carry out automatic learning and recording through the central control unit. The input terminal of the switch control unit It is connected with the central control unit, and its output end is connected with the controlled socket, so as to realize the on-off control of the controlled socket.

As a further improvement to the above scheme, the signal detection processing unit includes a transformer, a rectification filter circuit and a signal conversion circuit, the two ends of the primary coil of the transformer are respectively connected to a live wire and a main control socket, and the two ends of the secondary coil are connected to the main control socket. The input ends of the rectification and filtering circuit are connected, and the output end of the rectification and filtering circuit is connected to the central control unit through the signal conversion circuit.

Further, the switch control unit includes a triode Q2, a resistor R4, a diode D9 and a relay K1 with an auxiliary contact switch, the base of the triode Q2 is connected to the central control unit through a resistor 4, the emitter is grounded, and the collector It is connected to the power supply through a diode D9, the two ends of the diode D9 are connected in parallel with a relay K1, one end of the auxiliary contact switch is connected to the live wire, and the other end is connected to the controlled socket.

In addition, there are several common sockets on the smart socket.

A control method for an intelligent socket, characterized in that it comprises the following steps:

Step 1, accessing external equipment: turn on the power, connect the host computer at the main control socket, and connect the peripheral electrical appliances at the controlled socket;

Step 2, automatic detection and learning: the signal detection processing unit automatically detects the working current, voltage or power of the host, and transmits the converted electrical signal to the central control unit, and the central control unit receives the converted electrical signal, And carry out learning records as a reference signal;

Step 3, real-time detection and comparison: the signal detection processing unit detects and converts the working current, voltage or power of the host in real time, and transmits the signal to the central control unit, which compares the signal with the reference signal, If the signal is greater than or equal to the reference signal, the central control unit will issue an instruction to control the controlled socket to be connected to the live wire through the switch control unit; if the signal is lower than 50% of the reference signal, the central control unit will issue an instruction, The controlled socket is controlled to be disconnected from the live wire through the switch control unit;

Step 4, replace the host: replace the host at the main control socket, then perform step 2 again.

The beneficial effects of the present invention are: the present invention is an intelligent socket and its automatic control method. On the one hand, the detection processing unit automatically detects the current, voltage or power parameters at the main control socket, and automatically learns and records through the central control unit. Then realize the on-off control of the controlled socket, the present invention can realize the function of plug and learn, omit the learning button of the traditional smart socket, it is more convenient and efficient to use; on the other hand, the present invention includes the main control socket and the controlled socket Control socket, when the host computer connected to the main control socket is in shutdown or standby state, it can be controlled to disconnect the peripheral power supply connected to the controlled socket, which not only saves power, prolongs the service life of the equipment, but also improves its safety in use; In addition, as long as the detection processing unit automatically detects that the current, voltage or power parameters at the main control socket are lower than 50% of the reference signal, the central control unit will cut off the connection between the controlled socket and the live wire through the switch control unit, and cut off the power supply. High; therefore, it has a good application prospect.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

Fig. 1 is a schematic block diagram of the circuit of the present invention;

Fig. 2 is the circuit diagram of the present invention.

Detailed ways

Referring to Figures 1-2, a smart socket includes a main control socket 1, a controlled socket 2, a power supply 3, a central control unit 4, a signal detection processing unit 5 and a switch control unit 6, and the input terminal of the signal detection processing unit 5 The live wire is connected, the output end is connected with the central control unit 4, and its detection end is connected with the live wire end of the main control socket 1, so as to automatically detect the current, voltage or power parameters at the main control socket 1, and carry out through the central control unit 4 Automatic learning record, the input end of the switch control unit 6 is connected with the central control unit 4, and its output end is connected with the controlled socket 2, so as to realize the on-off control of the controlled socket 2, because the detection processing unit 5 automatically detects the main control socket The current, voltage or power parameters at 1 are automatically learned and recorded through the central control unit 4, and then the on-off control of the controlled socket 2 is realized. The present invention can realize the function of plug and learn, omitting the traditional smart socket The learning button is more convenient and efficient to use. The signal detection processing unit 5 includes a transformer 51, a rectification filter circuit 52 and a signal conversion circuit 53. The two ends of the secondary coil are connected to the input end of the rectification filter circuit 52, the output end of the rectification filter circuit 52 is connected to the central control unit 4 through the signal transformation circuit 53, and the switch control unit 6 includes a triode Q2, a resistor R4, a diode D9 and a The relay K1 of the auxiliary contact switch, the base of the triode Q2 is connected to the central control unit 4 through the resistor 4, the emitter is grounded, the collector is connected to the power supply 3 through the diode D9, the two ends of the diode D9 are connected in parallel with the relay K1, the auxiliary contact One end of the point switch is connected to the live wire, and the other end is connected to the controlled socket 2. The smart socket is also provided with several common sockets 7. The common socket 7 provided in the present invention can enhance the performance of the socket, because the common socket 7 is directly connected to the live wire, so there is no need to It is controlled by the main control socket 1, so it can be used alone, which improves the reliability of the socket.

An automatic control method for an intelligent socket, which is characterized in that it includes the following steps: Step 1, connect external equipment: connect the power supply, connect the host computer at the main control socket, and connect peripheral electric appliances at the controlled socket; Step 2, automatic detection and learning: the signal detection processing unit automatically detects the working current, voltage or power of the host, and transmits the converted electrical signal to the central control unit, and the central control unit receives the converted electrical signal, And carry out learning records as reference signals; Step 3, real-time detection and comparison: the signal detection processing unit detects and converts the working current, voltage or power of the host computer in real time, and sends the signal to the central control unit, and the central control The unit compares the signal with the reference signal, and if the signal is greater than or equal to the reference signal, the central control unit issues an instruction to control the controlled socket to be connected to the live wire through the switch control unit; if the signal is lower than 50% of the reference signal %, then the central control unit sends an instruction to control the controlled socket to disconnect from the live wire through the switch control unit; step 4, replace the host: replace the host at the master control socket, then re-execute step 2.

The preferred implementation of the present invention has been specifically described above. Of course, the present invention can also adopt forms different from the above-mentioned embodiments, and these do not constitute any limitation to the present embodiment. Those skilled in the art will not violate the spirit of the present invention. The equivalent transformations or corresponding changes made under the premise should fall within the protection scope of the present invention.

Claims (5)

1. An intelligent socket, characterized in that it includes: a main control socket (1), a controlled socket (2), a power supply (3), a central control unit (4), a signal detection processing unit (5) and a switch control unit ( 6), the input end of the signal detection processing unit (5) is connected to the live wire, the output end is connected to the central control unit (4), and its detection end is connected to the live wire end of the main control socket (1) to automatically detect the main The current, voltage or power parameters at the control socket (1) are automatically learned and recorded through the central control unit (4). The input terminal of the switch control unit (6) is connected to the central control unit (4), and its output terminal The controlled socket (2) is connected to realize on-off control of the controlled socket (2). 2. An intelligent socket according to claim 1, characterized in that: the signal detection processing unit (5) includes a transformer (51), a rectification filter circuit (52) and a signal conversion circuit (53), the The two ends of the primary coil of the transformer (51) are respectively connected to the fire wire and the main control socket (1), and the two ends of the secondary coil are connected to the input end of the rectification filter circuit (52), and the output end of the rectification filter circuit (52) Connect to the central control unit (4) through a signal conversion circuit (53). 3. An intelligent socket according to claim 1, characterized in that: the switch control unit (6) includes a triode Q2, a resistor R4, a diode D9 and a relay K1 with an auxiliary contact switch, and the triode Q2 The base is connected to the central control unit (4) through a resistor 4, the emitter is grounded, and the collector is connected to the power supply (3) through a diode D9. The two ends of the diode D9 are connected in parallel with a relay K1, and one end of the auxiliary contact switch Connect with live wire, and connect the other end with controlled socket (2). 4. A smart socket according to claim 1, 2 or 3, characterized in that several common sockets (7) are also provided on the smart socket. 5. The control method of a smart socket according to claim 1, characterized in that it comprises the following steps: Step 1, accessing external equipment: turn on the power, connect the host computer at the main control socket, and connect the peripheral electrical appliances at the controlled socket; Step 2, automatic detection and learning: the signal detection processing unit automatically detects the working current, voltage or power of the host, and transmits the converted electrical signal to the central control unit, and the central control unit receives the converted electrical signal, And carry out learning records as a reference signal; Step 3, real-time detection and comparison: the signal detection processing unit detects and converts the working current, voltage or power of the host in real time, and transmits the signal to the central control unit, which compares the signal with the reference signal, If the signal is greater than or equal to the reference signal, the central control unit will issue an instruction to control the controlled socket to be connected to the live wire through the switch control unit; if the signal is lower than 50% of the reference signal, the central control unit will issue an instruction, The controlled socket is controlled to be disconnected from the live wire through the switch control unit; Step 4, replace the host: replace the host at the main control socket, then perform step 2 again.

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