CN2257691Y - Automatic cooking machine - Google Patents

Abstract

The utility model discloses an automation apparatus of kitchen appliances for home application. The automatic cooking machine is composed of a power supply, a programme control automatic starting circuit, a programme control automatic stop circuit, a touch temperature adjustment and control circuit, a multiple protection alarm circuit, a display circuit, a bidirectional controlled silicon output circuit and a casing. The utility model can actualize full automatic cooking without manual operation, semiautomatic cooking under manual operation and the automation of kitchen appliances and makes the living of people convenient.

Description

Automatically machine is cooked in cooking

The utility model relates to a kind of civilian kitchen appliance automatic control device.

The electric cooker of each family's use no doubt can be carried out the back with food and be cut off main power source automatically, and transfer keeping warm mode automatically under unmanned situation at present, brings great convenience to people.The existing electric cooker of people can not self-opening power supply.People must connect power supply with electric cooker once being away from home and boil, and this can be cooked with meal prematurely, is incubated repeatedly again, wastes electric power first, and the meal that second cooks is not fragrant.Next is the function that existing electric cooker does not have overtemperature, discharge automatic temperature-control, and the function that can not report to the police automatically, cut off the electricity supply automatically after fire, flue dust, gas leak occurs.Therefore also there are some unsafe hidden danger in existing electric cooker.

The purpose of this utility model is to avoid outside the above-mentioned deficiency of the prior art, and provide a kind of energy to realize unmanned self-opening power supply, can carry out stepless temperature-regulating, also can be when overtemperature, discharge automatic temperature-control, simultaneously at breaking out of fire, flue dust, the automatic cooking culinary art machine that can report to the police automatically, cut off the electricity supply automatically when gas leaks.

The purpose of this utility model realizes as follows: this automatic cooking culinary art machine is to be made of power circuit, programme-control boot-strap circuit, programme-control shutdown circuit, touch thermoregulation circuit, holding circuit and display circuit.Its major technique measure at first is that the programme-control boot-strap circuit is by IC ₃Integrated package and peripheral circuit constitute.Wherein by IC ₃9,10,11 pin and peripheral capacitor C ₁₂, resistance R ₃₃, resistance R ₃₄And resistance R ₂₅～R ₃₂Constitute oscillator, for frequency divider provides clock signal.Resistance R ₂₂And capacitor C ₁₁Common contact and IC ₃The 12 pin formation clear circuit that joins.IC ₃Output pin 3 pass through R ₂₁With switching tube BG ₂Base stage fetch control relay J mutually ₂Break-make; It two is that the programme-control shutdown circuit is by IC ₂Integrated package and peripheral circuit constitute.IC wherein ₂6,7 pin and peripheral capacitor C ₈, resistance R ₁₀～R ₁₇Constitute clock control circuit, and resistance R ₉And capacitor C ₇Common contact and IC ₂2 pin join and constitute the differential start-up circuit.IC ₃Output pin 3 direct control relay J ₁It three is that to touch thermoregulation circuit be by IC ₁Integrated package and peripheral circuit constitute, wherein diode D ₃With resistance R ₂Be serially connected in AC power and IC ₁6 pin and 7 pin between to constitute step-down rectifying circuit be IC ₁Power supply.With inductance L ₂, change-over switch K _1-1, diode D ₁Be serially connected in the control utmost point and the IC of controllable silicon 3CT ₁8 pin between constitute the power supply output control circuit.Resistance R ₁With capacitor C ₅Common contact and IC ₁The 4 pin formation synchronous signal input circuit that joins; It four is that holding circuit is by IC ₅Integrated package and peripheral circuit constitute.Resistance R wherein ₃₉, R ₄₀, capacitor C ₁₄Be serially connected between the dc source, and resistance R ₃₉With R ₄₀Be total to contact and IC ₅7 pin join resistance R ₄₀With capacitor C ₁4 contact and IC ₅2 pin and the 6 pin formation oscillating circuit that joins.Liquid level sensor CGQ ₁, gas probe CGQ ₂, temperature sensor CGQ ₃, all be to be connected in parallel on power supply and IC ₅4 pin between.

Accompanying drawing is the utility model circuit diagram.

The utility model is described in further detail below in conjunction with embodiment: this automatic cooking culinary art machine is by power circuit, and programme-control boot-strap circuit, programme-control shutdown circuit, touch thermoregulation circuit, holding circuit and display circuit constitute.Power circuit is by transformer B and diode D ₉-D ₁₂Bridge rectifier is formed.And open K by often driving button ₂And K ₃, relay J ₄Constitute the incoming call that has a power failure again and close the electric protection circuit automatically.The programme-control boot-strap circuit constitutes ten level Four frequency dividers by integrated package CD4030 or CD4070 and peripheral circuit.Wherein by 9-11 pin and the peripheral capacitor C of CD4030 or CD4070 ₁₂, resistance R ₂₅-R ₃₄Constitute oscillator, clock signal is provided.Control signal is exported with gauge tap pipe BG from 3 pin ₂And relay J ₂Break-make; The programme-control shutdown circuit is to be made of integrated package 555 and peripheral circuit.Wherein 555 and capacitor C ₈, resistance R ₁₀-R ₁₇Constitute clock control circuit, capacitor C ₇, resistance R ₉Constitute the differential start-up circuit.The 3 pin output control relay Js of control signal from 555 ₁Duty; Touching thermoregulation circuit is to be made of integrated package MIS7232 and peripheral circuit.Diode D wherein ₃, resistance R ₂Constitute step-down rectifying circuit and be integrated package MIS7232 power supply.By resistance R ₃～R ₅Constitute the touch signal input circuit.By inductance L ₂, change-over switch K _1-1, diode D ₁Constitute the power supply output control circuit with controllable silicon 3CT.By resistance R ₁, capacitor C ₅Constitute synchronous signal input circuit; Holding circuit is to be made of integrated package 5555 and peripheral circuit.Wherein 555 and resistance R ₃₉, R ₄₀, capacitor C ₁₄Constitute oscillating circuit.The 3 pin output control relay Js of signal from 555 ₃Toot the sound of break-make and buzzer RL.Liquid level sensor CGQ ₁, gas-sensing probe CGQ ₂, temperature sensor CGQ ₃With 555 join, whether play shake work to determine 555.Switching tube BG in addition ₁, diode D ₅, capacitor C ₉Capacitor C ₁₀, resistance R ₁₉And R ₂₀Constitute and touch leakage control circuit, the A point meets load shell, BG ₁Colelctor electrode connect 555 pressure turn-off the utmost point 4 pin, and BG ₂Grounded emitter; Display circuit is as follows: the diode (LED) of giving out light ₁With relay J ₁Serial connection shows the shutdown duty.LED ₂～LED ₉With time control circuit and connect, display routine control gear.LED ₁₀With switching tube BG ₂Serial connection is in order to show open state.LED ₁₁With resistance R ₂₃Be serially connected with IC ₃7 pin, in order to show to measure the concussion frequency.LED ₁₂～LED ₁₉With IC ₃The oscillating circuit gear and connect, with display routine start gear.LED ₂₀For total power switch shows.LED ₂₁And voltmeter head and load output and connect, can intuitively show in the load voltage just, temperature just waits the regulation and control state.

The course of work of this automatic cooking culinary art machine is as follows:

One, fully automatic working mode: with change-over switch K ₁(seeing accompanying drawing) dialled in opposite location, presses the button K switch ₃, relay J ₄Adhesive is the complete machine power supply, for circuit provides 12V power supply.At this moment, by IC ₃The program control boot-strap circuit that constitutes is started working, but 3 pin are in electronegative potential, J ₂Not adhesive, IC ₂, IC ₁All not having electricity does not work.Work as IC ₃Timing is to 3 pin output high potential, J ₂Adhesive is IC ₂Power supply, IC ₂Start working, and pick up counting.IC ₂3 pin output high potential J ₁Adhesive.At this moment, circuit passes through J _1-2The contact connects the energy SCR control utmost point, makes the full conducting output voltage of controllable silicon heat for load (electric frying pan, electric cooker, chafing dish, electric furnace, electric oven etc.).When food performs, program control timing arrives, IC ₂3 pin become low level, J _1-2Discharge, circuit passes through J _1-2And J ₃The contact changes thyristor operating angle, changes automatically and keeping warm mode, finishes the overall process of automatic cooking.

Two, semi-automatic work mode: with change-over switch K ₁Dial at present position (seeing accompanying drawing) dc source through J ₂, J _1-2Directly to IC ₂Power supply, J _1-1IC is given in adhesive ₁Power supply, IC ₁Be ready.When touching IC ₁₅During the touch of pin, IC ₁8 pin promptly export the conducting of control signal control controllable silicon with by, and the stepless variation of tangible control and regulation thyristor operating angle, realize stepless temperature-regulating.Load promptly obtains the voltage of stepless variation, unclamp hand when seeing fit gets final product, and circuit locks voluntarily.Work as IC ₂Unused time arrives, J _1-1Discharge IC ₁Dead electricity is not worked, and controllable silicon also is turned off.Finish and close the automatic temperature-control working method.

Three, holding circuit: at ordinary times, IC ₅4 pin be in electronegative potential, IC ₅Constitute oscillator and do not play shake, 3 pin also are electronegative potential, J ₃Not adhesive is in position among the existing figure, keeps J ₁Normal operating conditions.When liquid level sensing device or fire, flue dust, gas sensor or temperature sensor are met abnormal conditions and after the conducting, 4 pin high potentials, IC ₅Play shake, 3 pin high potentials, J _3-2Adhesive disconnects, J ₁Cut off the back circuit power, the controllable silicon no-output, load power source is cut off.

Touch earth leakage protective: at ordinary times, BG ₁The base circuit input point connects the load shell and works as load just often, IC ₂Also operate as normal.When having when electric leakage, electric leakage, load makes BG by circuit ₁Conducting.IC ₂4 pin be forced electronegative potential, the circuit dead electricity of 3 pin no-outputs, back is not worked, and prevents personal Danger Electric shock risk.As long as the load shell has electric leakage, circuit just to be forced to be in the state of not opening.Have only and got rid of leak current fault, complete machine ability operate as normal, thereby effectively prevented Danger Electric shock risk.

Complete machine is provided with multiple display function, can intuitively show various duties, and is provided with multiple output, to satisfy the needs of different electrical appliances.

The utility model has following advantage compared to existing technology: this automatic cooking machine Can self-timing start, shutdown, can realize that nobody automatically cooks to do meal and manually-operated half Automatic cooking. But also can when breaking out of fire, flue dust, Leakage Gas, automatically report Alert. Automatic cut-off power. It can bring great convenience to people's life.

Claims (1)

1, a kind of by power circuit, programme-control boot-strap circuit, programme-control shutdown circuit, touch the automatic cooking culinary art machine that thermoregulation circuit, holding circuit and display circuit constitute, it is characterized in that:

A), the programme-control boot-strap circuit is by IC ₃Integrated package and peripheral circuit constitute, wherein by IC ₃9,10,11 pin and peripheral capacitor C ₁₂, resistance R ₃₃Resistance R ₃₄, and resistance R ₂₅～R ₃₂Constitute oscillator; Resistance R ₂₂And capacitor C ₁₁Common contact and IC ₃The 12 pin formation clear circuit that joins; IC ₃Output pin 3 pass through resistance R ₂₁With switching tube BG ₂Base stage fetch control relay J mutually ₂Break-make.

B), the programme-control shutdown circuit is by IC ₂Integrated package and peripheral circuit constitute, wherein IC ₂6,7 pin and peripheral capacitor C ₈, resistance R ₁₀-R ₁₇Constitute clock control circuit; And resistance R ₉And capacitor C ₇Common contact and IC ₂2 pin join and constitute the differential start-up circuit; IC ₃Output pin 3 direct control relay J ₁

C), touching thermoregulation circuit is by IC ₁Integrated package and peripheral circuit constitute, wherein diode D ₃With resistance R ₂Be serially connected in AC power and IC ₁6 pin and 7 pin between to constitute step-down rectifying circuit be IC ₁Power supply; With inductance L ₂, change-over switch K _1-1, diode D ₁Be serially connected in the control utmost point and the IC of controllable silicon 3CT ₁8 pin between constitute the power supply output control circuit; Resistance R ₁With capacitor C ₅Common contact and IC ₁The 4 pin formation synchronous signal input circuit that joins.

D), holding circuit is by IC ₅Integrated package and peripheral circuit constitute, wherein resistance R ₃₉R ₄₀, capacitor C ₁₄Be serially connected between the dc source, and resistance R ₃₉With R ₄₀Common contact and IC ₅7 pin join resistance R ₄₀With capacitor C ₁₄Common contact and IC ₅2 pin and the 6 pin formation oscillating circuit that joins; Liquid level sensor CGQ ₁, gas-sensing probe CGQ ₂, temperature sensor CGQ ₃, all be to be connected in parallel on power supply and IC ₅4 pin between.