CN2582494Y

CN2582494Y - Multifunctional intelligent electric rice cooker

Info

Publication number: CN2582494Y
Application number: CN 02248440
Authority: CN
Inventors: 卢绍康
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-10-08
Filing date: 2002-10-08
Publication date: 2003-10-29
Anticipated expiration: 2012-10-08

Abstract

The utility model relates to a multifunctional intelligent electric rice cooker, which belongs to the technical field of domestic food cooking apparatuses, particularly a domestic electric rice cooker which can be activated in a time delay way for a long time and has simple operation and multiple functions. The utility model has the technical proposal that a stainless steel water pipe is arranged above the cooker, one side of the cooker is provided with a water storage tank, and a water tank cover is covered on the water storage tank; a water level switch and a water pump are arranged below the water storage tank; the water level switch and the stainless steel water pipe are connected with a water pump respectively via two silicone pipes; the operation of the water pump and a heating plate are controlled by a micro computer delaying control circuit. The utility model can be used for domestic rice/ gruel cooking and cooking different food set by computer software.

Description

The multifunctional intellectual electric cooker

Technical field:

The utility model relates to a kind of family expenses cooking vessel, refers in particular to a kind of can delay time for a long time that activate, simple to operate, multiduty Domestic Electric Cooker.

Background technology:

Along with science and technology, expanding economy, the improving constantly of people's living standard, the work rhythm of life is also accelerated, and time-delay prepared food has also become the needs in people's routine work life.At present, existing smart electronics electric cooker cooking/during congee, be that rice and water are put into pot simultaneously, connect the power supply of electric cooker after, electric cooker promptly enters automatically and cooks/the congee program, when cook/after congee was finished, electric cooker promptly entered keeping warm mode.Because it is rotten that the oversize meeting of time that rice is soaked in water causes, perhaps can influence the effect of cooking.Therefore present existing smart electronics electric cooker does not all have the function (can only delay time about 13 hours) that long-time time-delay is cooked.Cook when the user needs the longer time time-delay/during congee (such as 24 hours, 36 hours or longer time), present existing smart electronics electric cooker is just powerless.Can not delay time for a long time cook/congee is a weak point of present existing smart electronics electric cooker.

The utility model content:

The purpose of this utility model is to provide a kind of can delay time for a long time that activate, simple to operate, multiduty electric cooker.

The utility model is achieved by the following technical solution: be provided with a stainless steel waterpipe above pot; Side at pot has a storage tank setting, and tank lid is arranged on it; The below of storage tank is provided with water level switch and suction pump, and water level switch, stainless steel waterpipe are connected with suction pump by two silicone tubes respectively, and the work in suction pump, baking chamber is controlled by the micro computer delay control circuit.

Described storage tank one side is provided with a transparency window, and scale has level scale on the transparency window; It is one rotatable and can stop at the joint of level or upright position that middle-end one position of stainless steel waterpipe is provided with, and the front end of stainless steel waterpipe is a delivery port; Pot cover center has a pyroceram window, a side of pot cover that one groove that matches with stainless steel waterpipe is arranged; The storage tank top is provided with a keypad; The keypad surface is provided with digital lcd, options button, time-delay key, start key and abort key.

The utility model is owing to be provided with a storage tank in a side of pot, cooks in the long-time time-delay of needs/during congee, rice and water can be separated being placed in pot and the storage tank, thereby avoid rice to be immersed in crossing long-time in the water and cause going bad, and raising cooks/quality of congee.The work of suction pump, heating board is by micro computer delay control circuit control, even forget when injecting water in storage tank the user, the utility model can shut-down operation when time-delay finishes, and the situation that prevents dry combustion method takes place; Storage tank one side is provided with the transparency window that is rectangle, and scale has level scale on the transparency window; Can come into plain view to the water yield in the storage tank like this, the downside of storage tank is provided with suction pump and water level switch, thereby can control the running of suction pump, outlet is connected the delivery port of suction pump with water level switch with stainless steel waterpipe by two silicone tubes, and pot and the storage tank that separates is connected as a single entity.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is advanced an explanation:

Accompanying drawing 1 is a stereogram of the present utility model;

Accompanying drawing 2 is a water supply installation schematic diagram of the present utility model;

Accompanying drawing 3 is a circuit diagram of the present utility model;

Accompanying drawing 4 is a workflow diagram of the present utility model.

The specific embodiment:

See accompanying drawing 1 ∽ 3, the utility model includes pot 4, heating board 9, pot cover 20, and the top of pot 4 is provided with a stainless steel waterpipe 12; With present existing electric cooker coexist mutually the pot the below annular heating board is arranged; The utility model has a storage tank 1 to be provided with in a side of pot, and tank lid 18 is arranged on it; The below of storage tank 1 is provided with water level switch 2 and suction pump 3, and water level switch 2, stainless steel waterpipe 12 are connected with suction pump 3 by silicone tube 16a, silicone tube 16b respectively; The work of suction pump 3, heating board 9 is controlled by the micro computer delay control circuit.

Storage tank 1 one sides are provided with the transparency window 14 that is rectangle, and scale has level scale 15 on the transparency window 14, like this moisture storage capacity in the storage tank are come into plain view; Pot 4 tops are provided with a stainless steel waterpipe 12, it is one rotatable and can stop at the joint 11 of level or upright position that the middle-end of stainless steel waterpipe 12 is provided with, the front end of stainless steel waterpipe 12 is a delivery port 13, the utility model is when work, can observe situation in the chamber by pyroceram window 19, storage tank 1 top is provided with a keypad 21, and keypad 21 surfaces are provided with digital lcd 7, options button 5, time-delay key 6, start key 8 and abort key 10.

During operation, time-delay is cooked/congee as need, puts into earlier dry clean rice and an amount of water is injected storage tank 1 in pot 4.Plugging AC power then, is that display power supply is connected and is in and treats set condition on 7 on the digital lcd, and the utility model enters holding state.Select by options button 5 to cook/kind of congee and set needed delay time by time-delay key 6, delay time is presented on the digital lcd 7.Press start key 8, the utility model is by the micro computer programmed delay procedure that enters: the delay time that sets begins inverse: when inverse to zero the time, by the startup of suction pump 3, the water in the storage tank 1 is pumped in the pot 4; When water pump is intact, water level switch 2 closures, suction pump 3 promptly quits work.The utility model enters and cooks/the congee program, and 9 energisings of micro computer programmed heating board are being cooked/control the temperature and time in each stage by micro computer electronics circuit in the process of congee.The insulation of cooking/enter when congee finishes, heating board 9 outages then.

In operating process: press options button 5 once, 7 show and to cook/code name of congee kind on the digital lcd; Continue to press options button 5 once, 7 show new cooking/congee kind designation on the digital lcd, up to showing desired cooking/congee kind designation.Time-delay key 6 has two, can prolong or shorten delay time by different keys, whenever prolong or shortening delay time 1 hour (or as required by software set) by the key of once delaying time, the display delayed time adds and cooks/the needed altogether time of congee on the digital lcd 7.Long delay cooks/and the congee time is 36 hours (or as required by software set longer time).The user shows desired delay time according to own needs on LCD 7.When inverse was extremely zero, micro computer programmed program detected in the storage tank 1 whether water is arranged earlier.If water is arranged, suction pump 3 startups pump into the water in the storage tank 1 in the pot 4, and when water pump was intact, suction pump 3 quit work, and the utility model enters and cooks/the congee program.

Sometimes the user has set to delay time and has cooked/congee, but forgets in storage tank 1 and inject water.In order to prevent dry combustion method, the utility model is also being done design on the computer software: after pressing start key 8, the utility model by micro computer programmed enter the time-delay cook/the congee program.When inverse was extremely zero, the microcomputerized control program detected in the storage tank 1 whether water is arranged earlier.If anhydrous, demonstrate mismark on the LCD and quit work, can reach safety operation.

See that accompanying drawing 4:L and N are respectively the phase line and the center lines of alternating current, E is a ground wire, the metal partial earthing that can contact.T1 is a transformer, and alternating current is 12V through T1 transformer secondary output output voltage.BD1 is a bridge full wave rectifier, and C4, C5 are filter capacitors, and R9 is a current-limiting resistance, and ZD1 is the 12V Zener diode.The alternating current of transformer secondary output output is through BD1, C4, and C5, the rectification of R9 and ZD1, filtering and voltage stabilizing obtain the working power of 12V direct current as single-chip microcomputer U1 and its peripheral circuit.Crystal XTL1 and capacitor C 1, C2 constitutes the oscillating circuit of single-chip microcomputer U1, and single-chip microcomputer U1 is worked under the frequency of 8MHz.

TM1 is a thermistor, device is in the circular hole position at heating board 9 middle parts, and contact with the bottom of a pan, when kettle temperature changes, its resistance also changes thereupon, the bleeder circuit that TM1 and R1 form changes the voltage that mould/number conversion input pin A/D1 reads of single-chip microcomputer U1, and single-chip microcomputer U1 decoding becomes the voltage that changes the temperature in the bottom of a pan.

Select by options button K15 to cook/kind of congee, set needed delay time, time-delay is increased, can make the time-delay shortening by K3 (6b) by time-delay key K2 (6a) by time-delay key K2/K3 (6a/6b).Delay time is presented on the 4-digit number LCD 7, enters by start key 8 single-chip microcomputer U1 to cook/program of congee.The delay time that sets begins inverse, and when inverse was extremely zero, single-chip microcomputer U1 checked in the storage tank 1 by water level switch SW12 whether water is arranged.If anhydrous, demonstrate mismark on the LCD 7 and quit work, heating element keeps off-position to prevent dry combustion method.If water is arranged, the output pin O3 of single-chip microcomputer U1 will export high potential, make triode Q3 admittance.Since the Q3 admittance, the switch closure of relay R L2, suction pump 3 (PUMP1) energising work, C6 is the shunt capacitance of the high frequency noise of water pump generation.Suction pump 3 starts, and the water in the storage tank 1 is pumped in the pot 4; When water pump is intact, water level switch SW12 closure, suction pump 3 quits work.The utility model enters and cooks/the congee program, when output pin O2 output high potential, and triode Q2 admittance, the switch closure of relay R L1 is cooked/congee heating board 9 (H1) energising.Cook/the congee temperature and time by the control of micro computer electronics circuit.Cook/heating board 9 outages when the congee program finishes.

The output pin O1 control buzzer BZ1 of single-chip microcomputer U1 sounds.

In any operation sequence, press abort key 10, the utility model promptly stops all operations, enters holding state.

As the output pin O2 of single-chip microcomputer U1, during O3 output electronegative potential, triode Q2, Q3 ends, relay R L1, the RL2 outage, diode D2, D3 are relay R L1, the counter electromotive force that the coil of RL2 produces provides a loop and has prevented that corresponding triode is breakdown.

Claims

1, multifunctional intellectual electric cooker comprises: pot (4), heating board (9), pot cover (20), and there is annular heating board (9) below of pot; It is characterized in that: pot (4) top is provided with a stainless steel waterpipe (12), side at pot (4) has a storage tank (1), there is tank lid (18) its top, the below of storage tank (1) is provided with water level switch (2) and suction pump (3), water level switch (2), stainless steel waterpipe (12) are connected with suction pump (3) by silicone tube (16a), silicone tube (16b) respectively, and the work of suction pump (3), heating board (9) is controlled by the micro computer delay control circuit.

2, multifunctional intellectual electric cooker according to claim 1 is characterized in that: storage tank (1) one side is provided with a transparency window (14), and transparency window (14) is gone up scale level scale (15).

3, multifunctional intellectual electric cooker according to claim 1, it is characterized in that: middle-end one position of stainless steel waterpipe (12) is provided with one rotatable and can stop at the joint (11) of level or upright position, and the front end of stainless steel waterpipe (12) is delivery port (13).

4, multifunctional intellectual electric cooker according to claim 1 is characterized in that: pot cover (20) center has a pyroceram window (19), a side of pot cover (20) that a groove (201) that matches with stainless steel waterpipe (12) is arranged.

5, multifunctional intellectual electric cooker according to claim 1 is characterized in that: the top is provided with a keypad (21) between storage tank (1) and the baking bucket (4).

6, multifunctional intellectual electric cooker according to claim 1 is characterized in that: keypad (21) surface is provided with options button (5), time-delay key (6), digital lcd (7), start key (8), abort key (10).