CN2265752Y

CN2265752Y - Full-automatic electronic gas rice pot

Info

Publication number: CN2265752Y
Application number: CN 95222962
Authority: CN
Inventors: 李水成; 陈卫海
Original assignee: Individual
Current assignee: Individual
Priority date: 1995-09-28
Filing date: 1995-09-28
Publication date: 1997-10-29
Anticipated expiration: 2005-09-28

Abstract

The utility model relates to a full-automatic electronic gas rice pot, which is composed of burner furnace heads, levers, contact switches, automatic electromagnetic valves, electronic automatic ignition needles, automatic sensing needles, full automatic electronic controllers, magnetic steel temperature limiters, air draft aluminum pipes, and a pot body 17. The utility model is characterized in that the pot can automatically supply gas and ignite. When open fire is used for cooking and the temperature arrives at the range from 101 to 105 DGE C, the cooking is completed, and the utility model can automatically close the gas to extinguish the fire. Because of the automatic sensing needles, the utility model can automatically close the gas during burning periods when the fire is accidentally extinguished. Compared with a common gas rice pot, the utility model has the advantages of safety, convenience, labour saving, and time saving (15 to 20 minutes are used for cooking the rice with 1 to 1.5 kilograms). The utility model is particularly suitable for common families.

Description

Electronics automatic fuel gas meal pot

The utility model is a kind of rice cooker of electronics fully-automatic household combustion gas meal pot: especially electronics automatic fuel gas meal pot is equipped with a kind of thermo-responsive probe, can be respectively in combustion process, burning things which may cause a fire disaster is not burned to the information that probe makes thermo-responsive probe obtain low temperature and passes to the electronics full automatic controller during accident extinguishing, controller makes magnetic valve close gas automatically, not the dangerous electronics automatic fuel gas meal pot of gas leakage.

At present, known combustion gas meal pot structure is to be formed by pot lid, pot courage, shell, magnetic steel temperature limiter, burning jamb, lever, power knob, breather pipe, air inlet hand threshold switch, indicator lamp, electronic ignition pin structure, owing to electronics full automatic controller and automatic thermal sensitive sense probe are not set, feel dangerous during use.

The purpose of this utility model provides a kind of electronics automatic fuel gas meal pot, when using electronics automatic fuel gas meal pot, can open gas automatically and cook, can when meal is ripe, close gas automatically, need not see and fight and can when accident is flame-out, can close gas automatically, can not leak gas, convenient and safe.

The purpose of this utility model is achieved in that in electronics automatic fuel gas meal pot, pot lid, pot courage, shell, magnetic steel temperature limiter, burning jamb, lever, power knob, breather pipe, air inlet hand threshold switch, indicator lamp, the electronic ignition pin, a circuit that is provided with the electronics full automatic controller is connected with automatic electromagnetic valve, a circuit is connected with the pin of lighting a fire automatically, a circuit is connected with thermo-responsive probe, a circuit is connected with contact switch, power supply is connected with contact switch in the battery case in addition, automatic electromagnetic valve is connected with thermo-responsive probe circuit with the electronics full automatic controller, earlier ventilating glue tube is connected to the ventilation aluminum pipe of gas cylinder and meal pot, when pressing power knob, the contact of contact switch is left, the electronics full automatic controller obtains power supply, carry out fully automatic working simultaneously, magnetic valve can leave gas automatically, the igniting pin is lighted a fire automatically, automatic thermal sensitive sense probe is provided with shunt circuit, make thermo-responsive probe test in combustion process, it is normal to detect temperature, information is passed to the electronics full automatic controller, make automatic controller carry out operate as normal, when accident is flame-out, automatic thermal sensitive sense probe is connected with electronics full automatic controller circuit with automatic electromagnetic valve, thermo-responsive probe temperature is low not to work comparison circuit, make the magnetic valve ground connection of not switching on, magnetic core cannot produce magnetic field, loses magnetism, simultaneously, magnetic valve magnetic core outside spring automatically springs open and closes gas automatically, can open gas automatically thereby reach electronics automatic fuel gas meal pot, automatically igniting is cooked, and the ripe back of meal is closed gas automatically, flame-out.

Owing to adopt such scheme, electronics automatic fuel gas meal pot can be opened the gas igniting automatically, cooks, and closes gas automatically, closes gas automatically in the time of flame-out and electronics full automatic controller and temperature-sensitive probe are only adopted in the danger of can not leaking gas in electronic component, and is simple in structure.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the stew vertical section structural map of first embodiment of electronics automatic fuel gas meal.

Fig. 2 is that structural map is overlooked in the bottom of second embodiment of electronics automatic fuel gas meal pot.

Fig. 3 is a schematic circuit of the present utility model.

Fig. 4 is circuit theory diagrams of the present utility model.

1. pots cover 2. pot courages, 3. inner casings, 4. shells, 5. magnetic steel temperature limiters, 6. burning jambs, 7. levers, 8. power switch, 9. contact switch, 10. ventilation aluminum pipes, 11. intake valve doorways, 12. indicator lamps 13. igniting pin 14. electronics full automatic controllers 15. automatic thermal sensitive sense probes 16. automatic electromagnetic valves 17. battery cases automatically among the figure.

In Fig. 1; pot lid (1) covers on pot courage (2); pot courage (2) is put inner casing (3) into; inner casing (3) has a round hole in the middle of the bottom; inner casing (3) is connected with support; between pot courage (2) and inner casing (3) distance is the burning and gas-exhausting road; distance is thermal insulation layer protecting sheathing (4) between shell (4) and the inner casing (3); magnetic steel temperature limiter (5) is put in the cylinder of burning jamb (6) upper end; can protect 103 ± 2 ℃ of magnetic steel temperature limiter (5) limit temperature and the courage (2) of stewing closely contacts; lever (7) and magnetic steel temperature limiter (5) and power switch (8) are in succession; contact switch (9) is contained on power switch (8) support bottom at lever; when pressing power switch (8) and magnetic steel temperature limiter (5) adhesive; making contact switch (9) open power supply makes electronics full automatic controller (14) carry out fully automatic working; igniting is cooked; after treating that the meal boiled water is done; when magnetic steel temperature limiter (5) temperature rises to 103 ± 2 ℃; magnetic links in the magnetic steel temperature limiter (5) is lost magnetism; spring makes magnet break away from the attraction of sensing magnet steel and comes off; lever (7) is being pressed on contact switch (9) contact; the break of contact power supply is quit work; contact switch (9) and indicator lamp (12) pin (13) the automatic thermal sensitive sense probe (15) of lighting a fire automatically is connected with electronics full automatic controller (14) circuit; ventilation aluminum pipe (10) is contained on the top shelf of shell (4) bottom; leave air duct in the middle of an intake valve doorway (11) ventilation aluminum pipe (10) air nozzle reeve burning jamb (6) air inlet is arranged above the ventilation aluminum pipe (10), burning jamb (6) is contained on the top shelf of shell (4) bottom and stretches out in the middle empty circle in inner casing (3) bottom.

Among Fig. 2, magnetic steel temperature limiter (5) is contained in burning jamb (6) middle circle and contacts with lever (5), the intake valve doorway sealing that magnetic valve (16) is contained in the ventilation aluminum pipe is joined, ventilation aluminum pipe (10) air nozzle puts in the middle of burning jamb (6) air inlet, and battery case (17) is contained in meal pot shell (4) and goes up on every side.

Among Fig. 3, battery case (17) is connected with contact switch (9), and contact switch (9) is the through and off of control power supply, makes electronics full automatic controller (14) carry out fully automatic working, fully automatic electric sub-controller (14) is connected with magnetic valve (16), and the spring of magnetic valve (16) magnetic core is connected with film.

Among Fig. 4, when pressing power knob, lever makes the magnetic steel temperature limiter adhesive, lever leaves contact switch simultaneously, make contact switch connect power supply, when contact switch A point moment contact power supply, the Q2 base stage is subjected to powered operation, colelctor electrode produces voltage and gives the power supply of Q1 base stage, Q1 work back colelctor electrode produces voltage, and one the tunnel gives the power supply of Q4 base stage through D1, and the Q4 colelctor electrode produces voltage and powers to Q6, the Q6 colelctor electrode produces voltage D4 reverse-conducting ground connection, thereby the voltage that makes the generation of Q7 colelctor electrode is through electromagnetic valve coil ground connection, and behind the coil electricity, the magnetic field that coil produces is inhaled magnetic core and opened, the film that joins with magnetic core leaves air inlet aluminum pipe valve port and ventilates, and air feed is given combustion gas meal pot.One road voltage boosts through transformer B2 after supplying Q3 to amplify after L transformer B boosts again, two-stage transformer is boosted and is formed the high voltage pulse sparking and light a fire, the air feed igniting is carried out synchronously, when point catches fire, thermo-responsive probe detects normal temperature in the burning fire, make IC17339[8], [9], [14] the comparison circuit operate as normal of pin composition, [14] pin output normal voltage makes the D2 conducting give Q4, the Q6 power supply, Q4, the hold-in winding energising of Q6 work back produces magnetic field makes air feed normal, [14] pin output current major part is supplied with Q4 through D2, Q5 quits work Q1 because of not obtaining enough electric currents, Q2, Q3 also quits work, and sparking is stopped.When misfiring, thermo-responsive probe does not detect normal temperature does not work comparison circuit, [14] pin does not have voltage output, Q4, Q6 can not get power supply and quit work, make the electromagnetic valve coil ground connection of not switching on, coil can't produce magnetic field and decontrol magnetic core, and magnetic core outside spring automatically springs open magnetic core, and the film that joins with magnetic core closes gas above just being pressed in air inlet aluminum pipe valve port.After meal is ripe, when temperature reaches 103 ± 2 ℃, the magnetic steel temperature limiter of meal pot breaks away from, be pressed in powered-down on the contact switch by lever, this controller does not lose magnetism after having power supply to supply with electromagnetic valve coil, magnetic valve magnetic core outside spring will automatically spring open magnetic core, and the film that joins with magnetic core closes gas above just being pressed in air inlet aluminum pipe valve port, and is flame-out.

Claims

Combustion gas meal pot, in meal pot, pot lid, pot courage, shell, magnetic steel temperature limiter, burning jamb, lever, power switch, breather pipe, air inlet hand threshold switch, indicator lamp, electronic ignition pin structure form, its feature: circuit of electronics full automatic controller is connected with automatic electromagnetic valve, a circuit is connected with the pin of lighting a fire automatically, a circuit is connected with thermo-responsive control pin, a circuit is connected with the contact beginning, and power supply is connected with contact switch in the battery case in addition.
2. combustion gas meal pot according to claim 1 is characterized in that automatic electromagnetic valve is connected with thermo-responsive probe circuit with the electronics full automatic controller.
3. combustion gas meal pot according to claim 1 is characterized in that automatic electromagnetic valve and ventilation aluminum pipe, automatic electromagnetic valve above the ventilation aluminum pipe and ventilation aluminum pipe close proximity.