CN203617501U

CN203617501U - Special touch control type high-power power supply system for kitchen

Info

Publication number: CN203617501U
Application number: CN201320749339.2U
Authority: CN
Inventors: 张昱
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-17
Filing date: 2013-11-17
Publication date: 2014-05-28
Anticipated expiration: 2023-11-17

Abstract

To solve the problem of safe power supply of high-power electrical appliances in a modern kitchen, the utility model provides a special touch control type high-power power supply system for a kitchen, and a rated power supply load is 8500 W. A power supply jack box inlet wire adopts a 6mm2 three-core cable, an original wall socket is replaced by a special junction box for direct compression joint with a power line in the wall, and a power supply jack box inlet wire end is provided with a small-sized automatic circuit breaker. The power supply jack box and an external control box are separately arranged, and are connected by a multi-core signal line. The external control box works under 5V voltage, and touch keys on an external control box panel control corresponding relays in the power supply jack box through a single-chip microcomputer inside the box through the multi-core signal line, and finally control on-off of power supply of corresponding jacks. The power supply jack box is placed under an operating table, the external control box is mounted on a wall surface of the operating table, and effects of the arrangement are safety and tidiness, and operation is facilitated. If a fault occurs in a control part, a manual switch on the power supply jack box is for standby application in emergency; and if electric leakage, overload or short circuit faults occur in a circuit, the small-sized automatic circuit breaker is powered off instantly, thereby preventing occurrence of accidents.

Description

The special touch high power electric power supply system in kitchen

Technical field:

The utility model relates to the special touch high power electric power supply system in a kind of kitchen, for electrical outlet box end of incoming cables, small-sized automatic circuit breaker is set, separate setting for electrical outlet box with external control box, membrane keyboard on external control box panel is the power supply break-make for electrical outlet box respective socket by Single-chip Controlling in box, and the hand switch in addition on each socket side is as for subsequent use.

Background technology:

There are many high-power electrical equipment for use in kitchen in modern house kitchen, as electromagnetic oven, electric cooker, roaster, microwave oven, disinfecting and drying machine etc.In many families, these electrical equipment are often powered by a traditional socket, have great potential safety hazard: while cooking, remove switch or the plugging electric plug on switch extension socket with wet hand, have the danger of electric shock; The general peak load 2500W of tradition socket, adopts 0.75mm ²wire, if many high-power electrical equipment for use in kitchen of load simultaneously very easily cause circuit on fire; If tradition socket is placed on operating desk, not only in disorder but also dangerous after being easily splashed into water and soup juice and sticking with electric wire; When circuit leaks electricity, when overload or short trouble, traditional socket can not instant cut-off.Therefore, traditional socket is not applicable to modern kitchen electrical equipment.

Summary of the invention:

In order to solve modern kitchen high-power electric appliance safe power supply problem, the utility model provides a kind of kitchen special touch high power electric power supply system, and rated power supply load 8500W, adopts 6mm for electrical outlet box inlet wire ²three-core cable, replace former wall socket and the direct crimping of power line within the walls by special junction box, for electrical outlet box end of incoming cables, small-sized automatic circuit breaker is set, separate setting for electrical outlet box with external control box, connected by a multicore holding wire, external control box works under 5V voltage, membrane keyboard on external control box panel is by the corresponding relay in multicore holding wire control power supply socket box of single-chip microcomputer in box, the final power supply break-make of controlling corresponding socket, be placed on below operating desk for electrical outlet box, external control box is installed on operating desk metope, the clean and tidy convenient operation of safety, if control section breaks down, can emergency power for the hand switch on electrical outlet box, if circuit leaks electricity, when overload or short trouble, small-sized automatic circuit breaker instant cut-off, avoid the generation of accident.

The technical scheme that the utility model adopts is: adopt 6mm for electrical outlet box inlet wire ²three-core cable, replace former wall socket and the direct crimping of power line within the walls by special junction box, for electrical outlet box end of incoming cables, small-sized automatic circuit breaker is set, separate setting for electrical outlet box with external control box, connected by a multicore holding wire, turn 5V power module for the built-in 220V of electrical outlet box, the positive and negative line of 5V power module connects the power input of external control box through this root multicore holding wire; Establish relay for the each socket of electrical outlet box below, normally opened contact one end connection small automatic circuit breaker of each relay live wire out, the L end of a termination respective socket, the N of socket holds direct connecting small-sized automatic circuit breaker zero line out; 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 connects the positive pole of 5V power module, and coil negative pole is connected with the each output 11-18 pin of the driving chip ULN2803 on external control box control circuit board through multicore holding wire; The membrane keyboard corresponding with supplying electrical outlet box socket and output indication LED pipe are set on external control box panel; Each membrane keyboard is connected with the input 2-9 pin of the induction chip JR8626 on control circuit board respectively, and the P1.0-P1.7 mouth that the each corresponding output 13-20 pin of induction chip JR8626 connects respectively single-chip microcomputer STC90C58RD+ is 1-8 pin; The anodal common anode of output indication LED pipe meets 5V through current-limiting resistance, and the P2.0-P2.7 mouth that negative pole connects respectively single-chip microcomputer STC90C58RD+ is 21-28 pin; Driving the P3.0-P3.7 mouth of each input 1-8 pin connection single-chip microcomputer STC90C58RD+ of chip ULN2803 is 10-17 pin, drives the negative pole of corresponding output end 11-18 pin each relay coil in multicore holding wire connects for electrical outlet box of chip ULN2803.

Accompanying drawing explanation:

Below in conjunction with accompanying drawing, the utility model is further illustrated:

Fig. 1 is kitchen special touch high power electric power supply system structural representation.

Fig. 2 is control circuit schematic diagram.

1. small-sized automatic circuit breakers in figure, 2. protective earth G, 3. live wire L, 4. zero line N, 5. socket, 6. for electrical outlet box, 7. hand switch, the 8. normally opened contact of relay, 9. the 5V coil of relay, 10. multicore holding wire, 11.220V turns 5V power module, 12. external control boxes, 13. membrane keyboards, 14. output indication LED pipes, 15. external control box master switchs, 16. protective covers, 17. special junction boxes, 18.6m ²three-core cable, 19. tension discs, 20. touch sensible chip JR8626,21. single-chip microcomputer STC90C58RD+, 22. drive chip ULN2803.

Embodiment:

L, N, the G6mm of the special touch high power electric power supply system in kitchen ²three-core cable (18) replaces former wall socket and directly crimping of tension disc (19) for power line within the walls by special junction box (17), buckles well protective cover (16); Be fixed on correct position under operating desk for electrical outlet box (6), the hand switch (7) on each socket (5) side is placed in " pass "; External control box (12) is installed on operating desk metope.The plug of each kitchen appliance is inserted respectively after corresponding socket (5), small-sized automatic circuit breaker (1) is placed in to " opening ", enter holding state for electrical outlet box.

Press external control box master switch (15), 220V turns 5V power module (11) the output 5V direct current of starting working.Need to use certain electrical equipment time, touch the upper corresponding membrane keyboard of external control box (12) more than (13) two seconds, the corresponding output output low level [0] of touch sensible chip JR8626 (20), single-chip microcomputer STC90C58RD+ (21) is the respective foot output low level [0] in 21-28 pin according to initialize program at P2.0-P2.7 mouth, corresponding output indication LED pipe (14) is lighted, represent that this road " opens ", P3.0-P3.7 mouth is the also output low level [0] of respective foot in 10-17 pin simultaneously, driving the corresponding input of chip ULN2803 (22) is also low level [0], corresponding output end output low level [0], through multicore holding wire (10), supply the 5V coil (9) of the relay of the corresponding socket of electrical outlet box to obtain electric adhesive, normally opened contact (8) closure of relay, 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 corresponding membrane keyboard of external control box (12) more than (13) two seconds, the corresponding output output low level [0] of touch sensible chip JR8626 (20), single-chip microcomputer STC90C58RD+ (15) is the respective foot negate in 21-28 pin according to initialize program at P2.0-P2.7 mouth, output high level [1], corresponding output indication LED pipe (14) extinguishes, represent this road " pass ", P3.0-P3.7 mouth is the also negate of respective foot in 10-17 pin simultaneously, output high level [1], driving the corresponding input of chip ULN2803 (22) is also high level [1], corresponding output end output high level [1], through multicore holding wire (10), supply 5V coil (9) dead electricity of the relay of the corresponding socket of electrical outlet box, the normally opened contact (8) of relay disconnects, L end and the live wire of socket disconnect, without the plug of plugging electric.

If control section breaks down, can emergency power for the hand switch (7) on electrical outlet box.

Claims

1. the special touch high power electric power supply system in kitchen, is characterized in that: adopt 6mm for electrical outlet box inlet wire ²three-core cable, replaces former wall socket and the direct crimping of power line within the walls by special junction box, for electrical outlet box end of incoming cables, small-sized automatic circuit breaker is set; Separate setting for electrical outlet box with external control box, connected by a multicore holding wire, turn 5V power module for the built-in 220V of electrical outlet box, the positive and negative line of 5V power module connects the power input of external control box through this root multicore holding wire; Establish relay for the each socket of electrical outlet box below, normally opened contact one end connection small automatic circuit breaker of each relay live wire out, the L end of a termination respective socket, the N of socket holds direct connecting small-sized automatic circuit breaker zero line out; 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 connects the positive pole of 5V power module, and coil negative pole is connected with the each output 11-18 pin of the driving chip ULN2803 on external control box control circuit board through multicore holding wire; The membrane keyboard corresponding with supplying electrical outlet box socket and output indication LED pipe are set on external control box panel; Each membrane keyboard is connected with the input 2-9 pin of the induction chip JR8626 on control circuit board respectively, and the P1.0-P1.7 mouth that the each corresponding output 13-20 pin of induction chip JR8626 connects respectively single-chip microcomputer STC90C58RD+ is 1-8 pin; The anodal common anode of output indication LED pipe meets 5V through current-limiting resistance, and the P2.0-P2.7 mouth that negative pole connects respectively single-chip microcomputer STC90C58RD+ is 21-28 pin; Driving the P3.0-P3.7 mouth of each input 1-8 pin connection single-chip microcomputer STC90C58RD+ of chip ULN2803 is 10-17 pin, drives the negative pole of corresponding output end 11-18 pin each relay coil in multicore holding wire connects for electrical outlet box of chip ULN2803.