CN104051912A

CN104051912A - Touching-type bistable flip-flop external control extension socket

Info

Publication number: CN104051912A
Application number: CN201310103234.4A
Authority: CN
Inventors: 张昱
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-03-16
Filing date: 2013-03-16
Publication date: 2014-09-17

Abstract

A touching-type bistable flip-flop external control extension socket is invented to solve the problem that an existing extension socket cannot be both neat and convenient, and safe and energy-saving. According to the touching-type bistable flip-flop external control extension socket, an extension socket and an external control box are arranged separately and connected by a multi-core signal line. Touch keys on a panel of the external control box control the power-on/off of corresponding jacks on the extension socket through a bistable flip-flop. The extension socket is disposed in the back of a table 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 through which mobile equipment can be directly charged on the tabletop. The touching-type bistable flip-flop external control extension socket is safe, neat, and convenient to operate. A manual switch on the extension socket can be used as a spare one when a control part fails.

Description

The socket of touch flip and flop generator external control

One, technical field:

The present invention relates to the socket of a kind of touch flip and flop generator external control, socket and external control box divide and are arranged, membrane keyboard on external control box panel is controlled the power supply break-make of socket respective socket by flip and flop generator, the hand switch on each socket side is as standby, and the side of external control box is provided with USB charging inlet.

Two, background technology:

Many household electrical appliance or office electrical equipment is power taking from a power supply socket often, for safety and energy-conservation, all will turn-off the switch in socket or pull out plug at every turn with finishing.If socket is put on the table, switch, plug have facilitated, but in disorder dangerous again; If socket is placed on after desk, desktop is clean and tidy, but 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 invention provides the socket of a kind of touch flip and flop generator external control, socket and external control box divide and are arranged, by a multicore holding wire, connected, membrane keyboard on external control box panel is controlled the power supply break-make of socket respective socket by flip and flop generator, socket is placed on after a cabinet, on desktop, only put external control box, and the side of external control box is provided with USB charging inlet, can be directly charging of mobile devices on the table, the clean and tidy convenient operation of safety, if control section breaks down, hand switch in socket can be standby.

The technical solution adopted in the present invention is: socket and external control box divide and be arranged, and by a multicore holding wire, are connected, and the built-in 220V of socket turns 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, the live wire of the normally opened contact one termination civil power of each relay, and the L end of a termination respective socket, the N end of socket directly connects 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 common anode of each relay is connected with the positive pole of 5V power module, and coil negative pole is connected with each output 11-18 pin of driving chip ULN2803 on external control box control circuit board through multicore holding wire; The membrane keyboard corresponding with socket socket is set on external control box panel and exports indication LED pipe, each membrane keyboard is connected with the input 2-9 pin of induction chip JR8626 on control circuit board respectively; The base stage that each corresponding output 13-20 pin of induction chip JR8626 passes through respectively current-limiting resistance connecting triode 8550, the emitter of triode 8550 connects 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 collector electrode and C door in four NAND gate chip CD4011 are connected simultaneously; Output pin 10 pin of C door connect the input of the flip and flop generator being comprised of A door B door intersection, and output pin 3 pin of A door connect each input 1-8 pin that drives chip ULN2803; Drive the corresponding output end 11-18 pin of chip ULN2803 to connect respectively the negative pole of exporting indication LED pipe, the positive pole of output indication LED pipe meets 5V through current-limiting resistance common anode; Drive corresponding output end 1118 pin of chip ULN2803 also through multicore holding wire, to connect the negative pole of each relay coil in socket simultaneously; The side of external control box is provided with USB charging inlet.

Four, accompanying drawing explanation:

Fig. 1 is touch flip and flop generator external control socket structural representation, and Fig. 2 is control circuit schematic diagram, only draws Liao Yi road flip and flop generator in figure, and other each road is identical with it.

1. external control boxes in figure, 2. membrane keyboard, 3. export indication LED pipe, 4. control circuit board, 5. hand switch, 6. socket, 7. the normally opened contact of relay, 8. relay, 9. the 5V coil of relay, 10.220V turn 5V power module, 11. multicore holding wires, 12.5V power supply just, negative wire, 13.USB charging inlet, 14. induction chip JR8626, 15. current-limiting resistances, 16. triodes 8550, C door in 17. 4 NAND gate chip CD4011, B door in 18. 4 NAND gate chip CD4011, A door in 19. 4 NAND gate chip CD4011, 20. delay capacitors, 21. output resistances, 22. drive chip ULN2803.

Five, embodiment:

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

In the time of need to using certain electrical equipment, touch the upper membrane keyboard of controlling this road socket of external control box (1) more than (2) two seconds, the corresponding output output low level [0] of induction chip JR8626 (14), through current-limiting resistance (15), triode 8550 (16) conductings, start as delay capacitor (20) charging, after time delay is full of, the input pin 8 of the C door (17) in four NAND gate chip CD4011, 9 pin obtain high level [1] simultaneously, output pin 10 output low levels [0] of C door (17), the flip and flop generator upset being formed by A door (19) B door (18) intersection, output pin 3 pin of A door (19) are low level [0] by high level [1] upset, driving the corresponding input of chip ULN2803 (22) is also low level [0], corresponding output end output low level [0], corresponding output indication LED pipe (3) is lighted, represent this road " 0N ", through multicore holding wire, the 5V coil (9) of the relay (8) of the corresponding socket of socket obtains electric adhesive, the normally opened contact of relay (7) closure, L end and the live wire of socket are connected, electrical equipment on this socket can use.

After electrical equipment is finished using, again touch the upper membrane keyboard of controlling this road socket of external control box (1) more than (2) two seconds, the corresponding output output low level [0] of induction chip JR8626 (14), through current-limiting resistance (15), triode 8550 (16) conductings, start as delay capacitor (20) charging, after time delay is full of, the input pin 8 of the C door (17) in 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 upset being formed by A door (19) B door (18) intersection, output pin 3 pin of A door (19) are high level [1] by low level [0] upset, driving the corresponding input of chip ULN2803 (22) is also high level [1], corresponding output end output high level [1], corresponding output indication LED pipe (3) extinguishes, represent this road " OFF ", through 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, without the plug that unplugs electrical equipment.

While there is no touch signal, the corresponding output output high level [1] of induction chip JR8626 (14), through current-limiting resistance (15), triode 8550 (16) cut-offs, delay capacitor (20) discharges through output resistance (21), the input pin 8 of the C door (17) in four NAND gate chip CD4011, 9 pin 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 forms maintains stable state, the Level hold previous status of output pin 3 pin of A door (17) is constant, drive chip (22) and relay (8) also to maintain the original state.

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

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

Claims

1. touch flip and flop generator external control socket, socket and external control box divide and are arranged, by a multicore holding wire, connected, the built-in 220V of socket turns 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, the live wire of the normally opened contact one termination civil power of each relay, and the L end of a termination respective socket, the N end of socket directly connects 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 common anode of each relay is connected with the positive pole of 5V power module, and coil negative pole is connected with each output 11-18 pin of driving chip ULN2803 on external control box control circuit board through multicore holding wire; The membrane keyboard corresponding with socket socket is set on external control box panel and exports indication LED pipe, each membrane keyboard is connected with the input 2-9 pin of induction chip JR8626 on control circuit board respectively; The base stage that each corresponding output 13-20 pin of induction chip JR8626 passes through respectively current-limiting resistance connecting triode 8550, the emitter of triode 8550 connects 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 collector electrode and C door in four NAND gate chip CD4011 are connected simultaneously; Output pin 10 pin of C door connect the input of the flip and flop generator being comprised of A door B door intersection, and output pin 3 pin of A door connect each input 1-8 pin that drives chip ULN2803; Drive the corresponding output end 11-18 pin of chip ULN2803 to connect respectively the negative pole of exporting indication LED pipe, the positive pole of output indication LED pipe meets 5V through current-limiting resistance common anode; Drive the corresponding output end 11-18 pin of chip ULN2803 also through multicore holding wire, to connect the negative pole of each relay coil in socket simultaneously; The side of external control box is provided with USB charging inlet.