CN203135139U

CN203135139U - Touching-type bistable flip-flop external control extension socket

Info

Publication number: CN203135139U
Application number: CN 201320146261
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 touching-type bistable flip-flop external control extension socket is invented to solve problems that an existing extension socket combines neither neatness and convenient nor safety and energy conservation together. According to the touching-type bistable flip-flop external control extension socket, an extension socket and an external control box are set apart and connected by on multi-core signal line. Touch keys on a panel of the external control box controls the power-on and power-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 to directly charging mobile equipment 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 is for the alternative when a control part failed.

Description

The socket of touch flip and flop generator external control

One, technical field:

The utility model relates to the socket of a kind of touch flip and flop generator external control, socket and external control box branch are arranged, membrane keyboard 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 touch flip and flop generator external control, socket and external control box branch are arranged, connected by a multicore holding wire, membrane keyboard 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, 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 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 membrane keyboard corresponding with the socket socket is set on the external control box panel and exports the indication LED pipe, each membrane keyboard links to each other with the input 2-9 pin of induction chip JR8626 on the control circuit board respectively; The corresponding output 13-20 of each of induction chip JR8626 pin 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 touch 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. membrane keyboard, 3. output indication LED pipe, 4. control circuit board, 5. hand switch, 6. socket, 7. the normally opened contact of relay, 8. relay, the 9. 5V coil of relay, 10.220V changes the 5V power module, 11. multicore holding wire, 12.5V power supply just, negative wire, 13.USB charging inlet, 14. induction chip JR8626,15. current-limiting resistance, 16. the C door among triode 8550, the 17. four NAND gate chip CD4011, the B door among the 18. 4 NAND gate chip CD4011,19. the A door among the four NAND gate chip CD4011,20. delay capacitor, 21. output resistances, 22. drive chip ULN2803.

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, touch external control box (1) and go up the membrane keyboard of this road socket of control 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, 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, output pin 10 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 (22) also is low level [0], corresponding output end output low level [0], corresponding output indication LED pipe (3) is 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, touch external control box (1) again and go up the membrane keyboard of this road socket of control 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, 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 (22) also is high level [1], corresponding output end output high level [1], corresponding output indication LED pipe (3) extinguishes, 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.

When not having touch signal, the corresponding output output high level [1] of induction chip JR8626 (14), through current-limiting resistance (15), triode 8550 (16) ends, delay capacitor (20) discharges through output resistance (21), the input pin 8 of the C door (17) among the 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 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 (22) 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. touch flip and flop generator external control socket, 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, 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 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 membrane keyboard corresponding with the socket socket is set on the external control box panel and exports the indication LED pipe, each membrane keyboard links to each other with the input 2-9 pin of induction chip JR8626 on the control circuit board respectively; The corresponding output 13-20 of each of induction chip JR8626 pin 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.