CN102157862A - Novel intelligent socket and control method thereof - Google Patents

Abstract

The present invention discloses a novel intelligent socket, comprising a main control socket, a controlled socket, a power supply, a central control unit, a signal detection conversion unit connected to the central control unit, a switch control unit and a storage unit, wherein the central control unit is also connected to a main control learning button; the input end of the signal detection conversion unit is connected to a live wire, the first output end of the signal detection conversion unit is connected to the main control socket, the second output end is connected to the central control unit, and the switch control unit is connected to the controlled socket; the product can control the connection and disconnection of peripheral electrical appliances connected to the controlled socket and the power supply according to the change of the current of the host connected to the main control socket, thereby saving electric energy, extending the service life of the equipment, improving the safety of use, and having high judgment sensitivity.

Description

A new type of intelligent socket and its control method

technical field

The invention relates to a socket device, in particular to a novel intelligent socket and a control method thereof.

Background technique

Household appliances or office electronic equipment are generally connected to the power supply through a socket device. With the rapid development of electronic technology, there are more and more household appliances or office electronic equipment, and their standby power consumption has become an energy-saving factor that cannot be ignored. Take a computer as an example, a host is often connected with many peripheral electrical devices, such as monitors, audio, printers, scanners, etc. The electrical equipment is still in the energized state; in this way, it will waste electric energy, reduce the service life of the equipment, and bring potential safety hazards.

In order to solve the above problems, a smart socket has been designed. When the current current of the electrical appliances connected to the main socket is lower than a certain value of the normal operating current, it will automatically cut off the power supply of the peripheral equipment connected to the auxiliary socket. However, the disadvantage of this kind of socket is that the sensitivity is not enough. If the working current of the electrical appliance connected to the main socket is relatively small, the difference between the current and the working current when it is off or in standby is very small. At this time, the socket may not be detected. Also just can not cut off the power supply of the peripheral equipment that is connected on the accessory socket.

Contents of the invention

In view of the above problems, the present invention provides a new smart socket with high sensitivity, which can automatically cut off the peripheral electrical appliances connected to the auxiliary socket when the current current of the electrical appliance connected to the main socket is lower than its normal operation, and its control method. .

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

A new type of intelligent socket, characterized in that it includes a main control socket, a controlled socket, a power supply, a central control unit, a signal detection transformation unit connected to the central control unit, a switch control unit and a storage unit, and the central control unit also The main control learning button is connected; the signal detection conversion unit is respectively connected with the fire wire and the main control socket to detect the current of the main control socket, and the output end of the signal detection conversion unit is connected with the central control unit, and the switch control unit is connected with the central control unit. Controlled socket connection.

Further, the signal detection conversion unit is composed of a transformer, a rectifier circuit and a signal conversion circuit, the two ends of the primary side of the transformer are respectively connected to the live wire and the main control socket, and the secondary side of the transformer It is connected with the input end of the rectification circuit, the output end of the rectification circuit is connected with the signal conversion circuit, and the output end of the signal conversion circuit is connected with the central control unit.

Further, the switch control unit includes a triode, the base of the triode is connected to the central control unit, the emitter is directly grounded, the collector is connected to the power supply through a diode, and a relay coil is connected in parallel with the two ends of the diode to connect with the relay One end of the normally open auxiliary contact matched with the coil is connected to the live wire, and the other end is connected to the controlled socket.

As a further improvement of the above solution, the socket is further provided with a display unit, and the display unit includes a lightning protection indication, a grounding indication and a learning indication.

As a further improvement of the above solution, an ordinary socket is also provided, and the ordinary socket is directly connected to the fire wire.

A control method for a novel smart socket, comprising the following process:

1) Connect to the mains power supply and connect to the host at the main control socket, and connect to peripheral electrical appliances at the controlled socket;

2) Press the main control learning button, and the signal detection conversion unit will convert the currently detected operating current of the host computer and transmit it to the central control unit, which will read the signal and transmit the signal to the storage unit for storage;

3) The signal detection and conversion unit continues to detect the real-time working current of the host, and converts the detected signal to the central control unit, and the central control unit compares the signal size with the signal size stored in the storage unit; If the signal is greater than or equal to the signal stored in the storage unit, 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;

4) After the controlled socket is connected to the live wire, the signal detection conversion unit continues to detect the real-time working current of the host, and converts the detected signal and sends it to the central control unit, which compares the signal size with the storage unit. The size of the stored signal is compared; if the detected signal is lower than 80% of the signal stored in the storage unit, the central control unit will issue an instruction to cut off the connection between the controlled socket and the live wire through the switch control unit; if the detected signal and If the signals stored in the storage unit are the same, the central control unit does not issue instructions, but continues to detect and compare;

5) If the connection between the controlled socket and the live wire is cut off in step 4, return to step 3;

6) If the host connected to the main control socket is replaced, return to step 2.

The beneficial effects of the present invention are: the intelligent socket of the present invention is provided with a main control socket and a controlled socket, and when the host computer connected to the main control socket is working normally or shutting down or on standby, it can control the connection and connection of the peripheral electrical appliances connected to the controlled socket. Breaking, saving electric energy, prolonging the service life of the equipment, improving the safety of use, and also equipped with a storage unit and a master control learning button, through these two modules, it cooperates with the signal detection conversion unit, the central control unit and the switch control unit, As long as it detects that the real-time current of the host is lower than the normal working current of the host stored in the storage unit, the central control unit will cut off the connection between the controlled socket and the live wire through the switch control unit, with high sensitivity; in addition, it is also equipped with lightning protection, grounding and learning instructions , can detect the working status of the socket at any time; in addition, it is also equipped with a common interface that is not controlled by the main control switch, which enhances the practicality of the socket itself and the integrity of the design.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

Fig. 1 is the circuit connection block diagram of the embodiment of the present invention;

Fig. 2 is a schematic circuit diagram of an embodiment of the present invention.

Detailed ways

With reference to Fig. 1, Fig. 2, a kind of novel smart socket of the present invention is characterized in that: comprises main control socket 1, controlled socket 2, power supply VCC, central control unit 5 and the signal detection transformation unit that is connected with central control unit 5 4. The switch control unit 6 and the storage unit 7, the central control unit 5 is also connected with the main control learning button S1; the signal detection conversion unit 4 is respectively connected with the fire wire L-A-OUT and the main control socket 2 to detect the main control The current of the socket, and the output end of the signal detection conversion unit 4 is connected to the central control unit 5, and the switch control unit 6 is connected to the controlled socket 2.

In this embodiment, the signal detection conversion unit 4 is composed of a transformer 41, a rectifier circuit 42 and a signal conversion circuit 43. The input end of the primary side of the transformer 41 is connected to the live line L-A-OUT, and the primary side The output end L-M-OUT of the transformer 41 is connected to the main control socket 1, the secondary side of the transformer 41 is connected to the input end of the rectification circuit 42, and the output end of the rectification circuit 42 is connected to the signal conversion circuit 43, and the signal conversion The output terminal of the circuit 43 is connected to the central control unit 5, wherein the rectification circuit 42 adopts a single-phase voltage doubler rectification circuit, and the signal conversion circuit 43 adopts a current-voltage conversion circuit.

Further, the switch control unit 6 includes a triode Q1, the base of the triode Q1 is connected to the central control unit 5, the emitter of the triode Q1 is directly grounded, and the collector of the triode Q1 is connected to the power supply VCC through a diode D1. Both ends of the diode D1 are connected in parallel with a relay coil K1, one end of the normally open auxiliary contact K1 matched with the relay coil K1 is connected to the live line L-A-OUT, and the other end L-S-OUT is connected to the controlled socket 2.

In addition, in order to better detect the working state of the socket and improve the use safety of the socket, three indicating units including a lightning protection indicator, a grounding indicator and a learning indicator are provided in this embodiment.

In order to further enhance the usability of the socket, this embodiment is also provided with a common socket 3 not controlled by the main control socket 1, and the common socket 3 is directly connected to the fire wire L-A-OUT.

In addition, the main control socket 1, the controlled socket 2 and the common socket 3 are also connected to the neutral wire N and the ground wire E; and the number of the controlled socket 2 and the common socket 3 can be increased or decreased according to the needs. Good safety, easy assembly and very suitable for mass production.

The control method of the intelligent socket of the present invention is:

1) Connect to the mains power supply and connect to the host at the main control socket 1, and connect to the peripheral electrical appliances at the controlled socket 2;

2) Press the main control learning button S1, the signal detection conversion unit 4 converts the currently detected normal operating current of the host computer, and then transmits it to the central control unit 5, and the central control unit 5 reads the signal and transmits the signal Store in storage unit 7;

3) The signal detection conversion unit 4 continues to detect the real-time operating current of the host, and converts the detected signal and sends it to the central control unit 5, and the central control unit 5 compares the signal size with the signal size stored in the storage unit 7 ; If the detected converted signal is greater than or equal to the signal stored in the storage unit 7, then the central control unit 5 will issue an instruction to control the controlled socket 2 to connect with the live wire L-A-OUT through the switch control unit 6;

4) After the controlled socket 2 is connected to the live wire L-A-OUT, the signal detection and conversion unit 4 continues to detect the real-time working current of the host, and converts the detected signal and sends it to the central control unit 5, and the central control unit sends the signal to the central control unit 5. The signal size is compared with the signal size stored in the storage unit 7; if the detected signal is lower than 80% of the signal stored in the storage unit 7, the central control unit 5 will issue an instruction to cut off the controlled socket by the switch control unit 7 2. Connection with live wire L-A-OUT; if the detected signal is the same as the signal stored in the storage unit 7, the central control unit 5 will not issue an instruction, and continue to loop for detection and comparison;

5) If the connection between the controlled socket 2 and the fire wire L-A-OUT is cut off in step 4, return to step 3;

6) If you replace the host connected to the main control socket 1, because the normal working current of different hosts is different, so return to repeat step 2.

The above is a specific description of the preferred implementation of the present invention, but the invention is not limited to the described embodiments, and those skilled in the art can also make various equivalent deformations or replacements without violating the spirit of the present invention. These equivalent modifications or replacements are all within the scope defined by the claims of the present application.

Claims (7)

1. A novel intelligent socket is characterized in that: it comprises a master control socket, a controlled socket, a power supply, a central control unit and a signal detection transformation unit, a switch control unit and a storage unit that are respectively connected to the central control unit, the central control unit The unit is also connected with a master control learning button; the signal detection conversion unit is connected with the fire wire and the master control socket respectively to detect the current of the master control socket, and the output terminal of the signal detection conversion unit is connected with the central control unit, and the switch controls The unit is connected to the controlled outlet. 2. A new type of smart socket according to claim 1, characterized in that: the signal detection transformation unit is composed of a transformer, a rectifier circuit and a signal conversion circuit, the two ends of the primary side of the transformer respectively connected to the fire wire and the main control socket, the secondary side of the transformer is connected to the input end of the rectification circuit, the output end of the rectification circuit is connected to the signal conversion circuit, and the output end of the signal conversion circuit is connected to the central control unit . 3. A new smart socket according to claim 1, characterized in that: the switch control unit includes a triode, the base of the triode is connected to the central control unit, the emitter is directly grounded, and the collector passes through a diode Connected to the power supply, two ends of the diode are connected in parallel with a relay coil, one end of the normally open auxiliary contact matched with the relay coil is connected to the live wire, and the other end is connected to the controlled socket. 4. A new smart socket according to claim 1, 2 or 3, characterized in that: it is also provided with a common socket, and the common socket is directly connected to the fire wire. 5. A new smart socket according to claim 2, characterized in that: the rectification circuit is a single-phase voltage doubler rectification circuit. 6. A new smart socket according to claim 2, characterized in that: said signal conversion circuit is a current-voltage conversion circuit. 7. A control method of the novel intelligent socket according to claim 1, characterized in that it comprises the following process: 1) Connect to the mains power supply and connect to the host at the main control socket, and connect to peripheral electrical appliances at the controlled socket; 2) Press the main control learning button, and the signal detection conversion unit will convert the currently detected operating current of the host computer and send it to the central control unit, which should read the signal and transmit the signal to the storage unit for storage; 3) The signal detection and transformation unit continues to detect the real-time working current of the host, and converts the detected signal to the central control unit, and the central control unit compares the signal size with the signal size stored in the storage unit; if the detected signal is converted If the signal is greater than or equal to the signal stored in the storage unit, 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; 4) After the controlled socket is connected to the live wire, the signal detection conversion unit continues to detect the real-time working current of the host, and converts the detected signal and sends it to the central control unit, which compares the signal size with the storage unit. The size of the stored signal is compared; if the detected signal is lower than 80% of the signal stored in the storage unit, the central control unit will issue an instruction to cut off the connection between the controlled socket and the live wire through the switch control unit; if the detected signal and If the signals stored in the storage unit are the same, the central control unit does not issue instructions, but continues to detect and compare; 5) If the connection between the controlled socket and the live wire is cut off in step 4, return to step 3; 6) If the host connected to the main control socket is replaced, return to step 2.

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