CN203135140U

CN203135140U - Bistable flip-flop external control row socket

Info

Publication number: CN203135140U
Application number: CN 201320146262
Authority: CN
Inventors: 张昱
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-16
Filing date: 2013-03-16
Publication date: 2013-08-14
Anticipated expiration: 2023-03-16

Abstract

A bistable flip-flop external control row socket is invented to solve problems that the conventional row socket cannot be clean and convenient at the same time and cannot be safe and energy-saving at the same time. According to the bistable flip-flop external control row socket, the row socket and an external control box are separately arranged and are connected through a multi-core signal line. Microswitches on an external control box panel control the connection and disconnection of power supplies of corresponding jacks through a bistable flip-flop. The row socket is disposed at the back of a table and a cabinet. Only the external control box is disposed on a tabletop, and one side surface of the external control box is provided with a USB charging interface to directly charge mobile equipment on the tabletop. The bistable flip-flop external control row socket is safe, neat and convenient to operate, and has backup manual switches used when a control part fails.

Description

The socket of flip and flop generator external control

One, technical field:

The utility model relates to the socket of a kind of flip and flop generator external control, socket and external control box branch are arranged, sensitive switch on the external control box panel is by the power supply break-make of flip and flop generator control socket respective socket, the hand switch on each socket next door is as standby, and the side of external control box is provided with the USB charging inlet.

Two, background technology:

The often power taking from the power supply socket of many household electrical appliance or office electrical equipment for safety and energy-conservation, each all will be turn-offed the switch in the socket or pull out plug with finishing.If socket is placed on the desktop, switch, plug have made things convenient for, but in disorder dangerous again; If socket is placed on the desk back, desktop is clean and tidy, but the switch plug is very inconvenient.During for charging of mobile devices, also need to look for charger everywhere.

Three, summary of the invention:

In order to solve clean and tidy and convenient that existing socket brings, safe and the energy-conservation problem that can not get both, the utility model provides the socket of a kind of flip and flop generator external control, socket and external control box branch are arranged, connected by a multicore holding wire, sensitive switch on the external control box panel is by the power supply break-make of flip and flop generator control socket respective socket, socket is placed on a cabinet back, only put the external control box on the desktop, and the side of external control box is provided with the USB charging inlet, can directly be charging of mobile devices on the table, safety neatly is convenient to operation, if control section breaks down, the hand switch in the socket can be standby.

The technical scheme that the utility model adopts is: socket and external control box branch are arranged, and are connected by a multicore holding wire, and the built-in 220V of socket changes the 5V power module, and the positive and negative line of 5V power module also connects the power input of external control box through this root multicore holding wire; Relay is established in each socket below of socket, and normally opened contact one end of each relay links to each other with the live wire of civil power, and an end links to each other with the L end of respective socket, and the N end of socket directly links to each other with the zero line of civil power; The hand switch on each socket side is in parallel with the normally opened contact of corresponding relay; The 5V coil electrode of each relay altogether sun links to each other with the positive pole of 5V power module, and each output 11-18 pin of the driving chip ULN2803 of coil negative pole on multicore holding wire and external control box control circuit board links to each other; The sensitive switch corresponding with the socket socket and output indication LED pipe are set on the external control box panel, each sensitive switch one end is cloudy ground connection altogether, the other end connects the base stage of triode 8550 respectively through current-limiting resistance, the emitter of triode 8550 connects the 5V positive pole, and collector electrode is through output resistance ground connection; Delay capacitor is in parallel with output resistance, and input pin 8,9 pin of the C door among collector electrode and the four NAND gate chip CD4011 are connected simultaneously; Output pin 10 pin of C door connect the input of the flip and flop generator of being made up of A door B door intersection, and output pin 3 pin of A door connect each the input 1-8 pin that drives chip ULN2803; The corresponding output end 11-18 pin that drives chip ULN2803 connects the negative pole of output indication LED pipe respectively, and the positive pole of output indication LED pipe is total to sun through current-limiting resistance and meets 5V; The corresponding output end 11-18 pin that drives chip ULN2803 also connects the negative pole of each relay coil in the socket simultaneously through the multicore holding wire; The side of external control box is provided with the USB charging inlet.

Four, description of drawings:

Fig. 1 is flip and flop generator external control socket structural representation, and Fig. 2 is the control circuit schematic diagram, has only drawn No. one flip and flop generator among the figure, and other each road is identical with it.

1. external control boxes among the figure, 2. sensitive switch, 3. output indication LED pipe, 4. control circuit board, 5. hand switch, 6. socket, the 7. normally opened contact of relay, 8. relay, 9. the 5V coil of relay, 10.220V changes 5V power module, 11. multicore holding wires, 12.5V power supply just, negative wire, 13.USB charging inlet, 14. drive chip ULN2803,15. current-limiting resistances, 16. triode 8550,17. the C door among the four NAND gate chip CD4011, the B door among the 18. 4 NAND gate chip CD4011, the A door among the 19. 4 NAND gate chip CD4011,20. delay capacitor, 21. output resistances.

Five, embodiment:

The L of touch single-chip microcomputer external control socket, N power line correctly insert live wire and the zero line of civil power, and the hand switch (5) on each socket of socket (6) next door places " shutoff ".After the plug of each electrical equipment inserted the socket of socket respectively, socket can be put into the back of a cabinet, only stay external control box (1) on the desktop.

When needing to use certain electrical equipment, pin external control box (1) and go up the sensitive switch of this road socket of control more than (2) two seconds, through current-limiting resistance (15), triode 8550 (16) conductings, begin to be delay capacitor (20) charging, after time-delay is full of, the input pin 8 of the C door (17) among the four NAND gate chip CD4011,9 pin obtain high level [1] simultaneously, the output pin 10 pin output low levels [0] of C door (17), the flip and flop generator of being made up of A door (19) B door (18) intersection overturns, output pin 3 pin of A door (19) are low level [0] by high level [1] upset, the corresponding input that drives chip ULN2803 (14) also is low level [0], and corresponding output output low level [0] is exported indication LED pipe (3) accordingly and lighted, represent this road " ON ", through the multicore holding wire, the 5V coil (9) of the relay (8) of the corresponding socket of socket gets electric adhesive, the normally opened contact of relay (7) closure, L end and the live wire of socket are connected, and the electrical equipment on this socket can use.

After electrical equipment is finished using, pin external control box (1) again and go up the sensitive switch of this road socket of control more than (2) two seconds, through current-limiting resistance (15), triode 8550 (16) conductings, begin to be delay capacitor (20) charging, after time-delay is full of, the input pin 8 of the C door (17) among the four NAND gate chip CD4011,9 pin obtain high level [1] simultaneously, the output pin 10 pin output low levels [0] of C door (17), the flip and flop generator of being made up of A door (19) B door (18) intersection overturns, output pin 3 pin of A door (19) are high level [1] by low level [0] upset, the corresponding input that drives chip ULN2803 (14) also is high level [1], and corresponding output output high level [1] is exported indication LED pipe (3) accordingly and extinguished, represent this road " OFF ", through the multicore holding wire, 5V coil (9) dead electricity of the relay (8) of the corresponding socket of socket, the normally opened contact of relay (7) disconnects, L end and the live wire of socket disconnect, and need not to unplug the plug of electrical equipment.

During not according to sensitive switch (2), triode 8550 (16) ends, delay capacitor (20) discharges through output resistance (21), input pin 8,9 pin of the C door (17) among the four NAND gate chip CD4011 obtain low level [0] simultaneously, the output pin 10 pin output high level [1] of C door (17), it is constant that the flip and flop generator that A door (19) B door (18) intersection is formed is kept stable state, the level of output pin 3 pin of A door (17) maintains the original state constant, then drives chip (14) and relay (8) also maintains the original state.

If control section breaks down, the hand switch in the socket (5) can be standby.

During for charging of mobile devices, only need to connect mobile device with usb data line one end, the USB charging inlet (13) that the other end inserts external control box side gets final product.

Claims

1. flip and flop generator external control socket, it is characterized in that: socket and external control box branch are arranged, connected by a multicore holding wire, the built-in 220V of socket changes the 5V power module, and the positive and negative line of 5V power module also connects the power input of external control box through this root multicore holding wire; Relay is established in each socket below of socket, and normally opened contact one end of each relay links to each other with the live wire of civil power, and an end links to each other with the L end of respective socket, and the N end of socket directly links to each other with the zero line of civil power; The hand switch on each socket side is in parallel with the normally opened contact of corresponding relay; The 5V coil electrode of each relay altogether sun links to each other with the positive pole of 5V power module, and each output 11-18 pin of the driving chip ULN2803 of coil negative pole on multicore holding wire and external control box control circuit board links to each other; The sensitive switch corresponding with the socket socket and output indication LED pipe are set on the external control box panel, each sensitive switch one end is cloudy ground connection altogether, the other end connects the base stage of triode 8550 respectively through current-limiting resistance, the emitter of triode 8550 connects the 5V positive pole, and collector electrode is through output resistance ground connection; Delay capacitor is in parallel with output resistance, and input pin 8,9 pin of the C door among collector electrode and the four NAND gate chip CD4011 are connected simultaneously; Output pin 10 pin of C door connect the input of the flip and flop generator of being made up of A door B door intersection, and output pin 3 pin of A door connect each the input 1-8 pin that drives chip ULN2803; The corresponding output end 11-18 pin that drives chip ULN2803 connects the negative pole of output indication LED pipe respectively, and the positive pole of output indication LED pipe is total to sun through current-limiting resistance and meets 5V; The corresponding output end 11-18 pin that drives chip ULN2803 also connects the negative pole of each relay coil in the socket simultaneously through the multicore holding wire; The side of external control box is provided with the USB charging inlet.