CN201547854U

CN201547854U - Control circuit of electrothermal oven

Info

Publication number: CN201547854U
Application number: CN2009202371759U
Authority: CN
Inventors: 黄应林
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-10-14
Filing date: 2009-10-14
Publication date: 2010-08-11
Anticipated expiration: 2019-10-14

Abstract

The utility model discloses a control circuit of an electrothermal oven, which includes a programmable microprocessor, wherein an input terminal of the programmable microprocessor is connected with a temperature control sensor, an inner ring heat tube key and a function selection key group; and an output terminal is connected with a nixie tube display screen, an inner ring power driving circuit for driving the inner ring heating tube, an outer ring power driving circuit for driving an outer ring heating tube, and a cooling fan driving circuit. A user can select the inner ring heating tube to work independently or the inner ring heating tube and the outer ring heating tube to work simultaneously according to the diameter of a pot, thereby improving the electric energy utilization rate; and after the electrothermal oven is started, the user can select different cooking manners according to the function selection key group, and the programmable microprocessor determines the heating power at different stages and the heating lasting time according to the cooking manner selected by the user and the temperature detected by the temperature control sensor. The control circuit has reliable quality and is durable in use, and is suitable for frying, stir-frying, steaming, boiling, hotpot, stewing by metal pots and ceramic pans.

Description

A kind of electrothermal furnace control circuit

Technical field

The utility model relates to the control circuit of a kind of electrothermal furnace, particularly a kind of electrothermal furnace.

Background technology

The heat-generating pipe of existing its heat-generating disc of electrothermal furnace is regardless of inner and outer ring, the all heat-generating pipes in energising back generate heat simultaneously, if used pan can not cover all heat-generating pipes, being exposed to the outer heat that heat-generating pipe produced can not effectively be utilized, reduced the utilization rate of electric energy, and existing electrothermal furnace function is comparatively simple, at different cooking methods, this does not bring many inconvenience to the user.

Summary of the invention

In order to overcome the deficiencies in the prior art, the utility model provides a kind of multifunctional electric-heating stove control circuit easy to use.

The technical scheme that its technical problem that solves the utility model adopts is:

A kind of electrothermal furnace control circuit, comprise programmable microprocessor, the input of described programmable microprocessor is connected with temperaturecontrol sensor, interior ring heating tube selection key and function selection key group, the output of described programmable microprocessor is connected with digitron display screen, inner loop power drive circuit, exterior ring power drive circuit, ring heating tube in the described inner loop power drive circuit input termination, the output termination outer shroud heating tube of described exterior ring power drive circuit.

The beneficial effects of the utility model are: ring heating tube and outer shroud heating tube were two groups in heating tube of the present utility model divided, the user can be according to the diameter of used pan, select only interior ring heating tube or interior ring heating tube and outer shroud heating tube to work simultaneously by ring heating tube button in touching, improved utilization rate of electrical; Electrothermal furnace is opened the back user by the different cooking method of function selection key group selection, the temperature that programmable microprocessor is surveyed according to the cooking method and the temperaturecontrol sensor of user's selection, determine the heating power of different phase and heating and continuous time, the user also can change the heating power of different phase and heating and continuous time by function selection key group as required, its reliable in quality, durable in use, be applicable to the frying in shallow oil of metal pan, ceramic flat pan, fry, steam, boil, chafing dish, Baoshang etc.

Description of drawings

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

Fig. 1 is a circuit block diagram of the present utility model.

The specific embodiment

With reference to Fig. 1, a kind of electrothermal furnace control circuit, it comprises programmable microprocessor 1, the input of described programmable microprocessor 1 is connected with temperaturecontrol sensor 17, interior ring heating tube button 7 and function selection key group, the output of described programmable microprocessor 1 is connected with digitron display screen 2, inner loop power drive circuit 3, exterior ring power drive circuit 4, ring heating tube 5 in the described inner loop power drive circuit 3 input terminations, the output termination outer shroud heating tube 6 of described exterior ring power drive circuit 4; Described temperaturecontrol sensor 17 is arranged on the empty place at the center of the below of electrothermal furnace panel, interior ring heating tube 5; Described temperaturecontrol sensor 17 is arranged on the position of the center of electrothermal furnace panel heat-generating disc a little more than heat-generating disc, put behind the pot this temperaturecontrol sensor 17 contact and be forced into the bottom of a pan with heat-generating disc with high center.The bottom of described heat-generating disc is provided with temperature protection sensor 18, and this protection sensor is monitored the temperature of heat-generating disc in real time, when the temperature of heat-generating disc surpasses the predetermined safe temperature, gives an order, and cuts off system power supply.Electrothermal furnace of the present utility model has designed interior ring fire function key from the hommization angle, has only interior environment-development heat by lower inner ring heating tube button 7, and outer shroud does not generate heat, and can satisfy small container (120MM) and hot plate, to reach purpose of energy saving.

Attaching plug is injected the alternating current 220V socket, digitron display screen 2 shows in "----" expression machine that electricity has been arranged, by system power supply button 9, digitron display screen 2 shows 0000, machine is ready, electrothermal furnace is opened the back user by the different cooking method of function selection key group selection, and the temperature that programmable microprocessor is surveyed according to the cooking method and the temperaturecontrol sensor of user's selection is determined the heating power of different phase and heating and continuous time.

In order to protect control circuit, the output of described programmable microprocessor 1 also is connected with cooling blower drive circuit 19, and this cooling blower drive circuit 19 is started working after pressing system power supply button 9, and stops after 5-10 minute at the back delay working of finishing using.

In order to satisfy daily culinary art requirement, function selection key group described in the utility model comprises beginning button 10, transfers big key 11, turns button 12 down, steams and stew button 13, the button 14 of cooking, congee/soup button 15, marmite meal button 16, chafing dish/cooking button 8 and system power supply button 9, the user also can change the heating power of different phase and heating and continuous time by touching to transfer big key 11 and turn button 12 down as required, this accent big key 11 with turn button 12 down and under different culinary art patterns, have different functions, specify below.

1, cooks

(1) pressure cooker is cooked

Be placed on the stove after the pressure cooker sealing of putting rice, water well built, push the button 14 of cooking, enter the pressure cooker program of cooking, charactron shows 0005, and this is that the pressure cooker of presetting is calmed the anger 5 minutes time, also can be according to the hobby of oneself, push and transfer big key 11, turn down button 12 and select different calming the anger the time, push beginning button 10 then, promptly begin to cook, digitron display screen 2 can show the time of the process of cooking.

(2) common pan (iron pan, aluminum pot) is cooked

The common pan of putting rice, water well is placed on the stove after building, push the button 14 of cooking, enter the program of cooking, charactron shows 0005, and this is to boil 5 fens clock times again after the rice poach preset is opened, also can be according to the hobby of oneself, push and transfer big key 11, turn down button 12 and select the different time, push beginning button 10 then, promptly begin to cook, digitron display screen 2 can show the time of the process of cooking.

2, pot congee/Baoshang

(1) pressure cooker pot congee/Baoshang

Food is put into pressure cooker, put the water yield well, be placed on the stove after sealing is built, push congee/soup button 15, enter pot congee/Baoshang program, charactron shows 0030, and this is that the pressure cooker of presetting is calmed the anger 30 minutes time, also can be according to the hobby of oneself, push and transfer big key 11, turn different the calming the anger the time of button 12 selection pressure pots down, push beginning button 10 then, promptly begin stew congee, Baoshang, charactron can show the time of pot congee, Baoshang process.

(2) marmite pot congee/Baoshang:

Food is put into marmite, put the water yield well, be placed on the stove after building, push congee/soup button 15, enter pot congee/Baoshang program, charactron shows 0030, this be after the water preset is opened again pot boil 30 minutes time, also can be according to the hobby of oneself, push and transfer big key 11, turn down button 12 and select the different time, push beginning button 10 then, promptly begin stew congee, Baoshang, charactron can show the time of pot congee, Baoshang process.

3, steaming is stewed

(1) pressure cooker steams and stewes:

Needs are steamed the food of stewing put into pressure cooker, choose the water yield, be placed on the stove after sealing is built, push to steam and stew button 13, enter and steam the program of stewing, charactron shows 0020, and this is that the pressure cooker of presetting is calmed the anger 20 minutes time, also can be according to hobby and the dish difference of oneself, push and transfer big key 11, turn different the calming the anger the time of button 12 selection pressure pots down, push beginning button 10 then, promptly begin to steam and stew, charactron shows can show the time of steaming the process of stewing.

(2) common pan steams and stewes

Needs are steamed the food of stewing to be put in the pan steamed layer, choose the water yield, be placed on the stove after building, push to steam and stew button 13, enter and steam the program of stewing, charactron shows 0020, and this is that the water of presetting is opened the 20 minutes time that the back steaming is stewed, also can be according to hobby and the dish difference of oneself, push and transfer big key 11, turn down button 12 and select the different time, push beginning button 10 then, promptly begin to steam and stew, charactron can show the time of steaming the process of stewing.

4, common pan marmite is cooked

After building, the flat marmite of putting Mi Shui well is placed on the stove, push marmite meal button 16, enter marmite meal program, digitron display screen shows 0010, and this is 10 fens clock times of boiling again after the marmite meal water preset is opened, also can be according to the hobby of oneself, push and transfer big key 11, turn down button 12 and select the different time, push beginning button 10 then, promptly begin to cook, charactron can show the time of the process of cooking.

5, chafing dish, cooking

(1) chafing dish

The pan of putting food, water well (iron pan, aluminum pot, marmite) is placed on the stove, push chafing dish/cooking button 8, enter chafing dish/cooking program, digitron display screen shows 1600, and this is the power 1600W that presets, and pushes beginning button 10 then, promptly begin chafing dish, also can push and transfer big key 11, turn down button 12 and select different power according to the needs of oneself, the power points of the utility model setting has 400W, 800W, 1200W, 1400W, 1600W, 1800W.

(2) cooking

Pan (iron pan, aluminum pot) is placed on the stove, push chafing dish/cooking button 8, enter chafing dish/cooking program, digitron display screen shows 1600, and this is the power 1600W that presets, and pushes beginning button 10 then, promptly begin cooking, also can push and transfer big key 11, turn down button 12 and select different power according to the needs of oneself, the power points of the utility model setting has 400W, 800W, 1200W, 1400W, 1600W, 1800W.

6, pot Chinese herbal medicine:

Chinese herbal medicine is put into medicine pot, the water yield is put in requirement according to the doctor well, is placed on the stove after building, and pushes congee/soup button 15, enter pot congee/Baoshang program, digitron display screen shows 0030, this be after the water preset is opened again pot boil 30 minutes time, also can be according to doctor's requirement, push and transfer big key 11, turn down button 12 and select the different time, push beginning button 10 then, promptly begin the medicine of stewing, charactron can show the time of pot medicine process.

Ring heating tube and outer shroud heating tube were two groups in heating tube of the present utility model divided, and ring heating tube work or interior ring heating tube and outer shroud heating tube were worked simultaneously in the user can only select according to the diameter of used pan, had improved utilization rate of electrical; Electrothermal furnace is opened the back user by the different cooking method of function selection key group selection, the temperature that programmable microprocessor is surveyed according to the cooking method and the temperaturecontrol sensor of user's selection, determine the heating power of different phase and heating and continuous time, the user also can change the heating power of different phase and heating and continuous time by function selection key group as required, its reliable in quality, durable in use, be applicable to the frying in shallow oil of metal pan, ceramic flat pan, fry, steam, boil, chafing dish, Baoshang etc.

Claims

1. electrothermal furnace control circuit, it is characterized in that it comprises programmable microprocessor (1), the input of described programmable microprocessor (1) is connected with temperaturecontrol sensor (17), interior ring heating tube button (7) and function selection key group, the output of described programmable microprocessor (1) is connected with digitron display screen (2), inner loop power drive circuit (3), exterior ring power drive circuit (4), ring heating tube (5) in described inner loop power drive circuit (3) the input termination, the output termination outer shroud heating tube (6) of described exterior ring power drive circuit (4).

2. electrothermal furnace control circuit according to claim 1 is characterized in that described function selection key group comprises beginning button (10), transfers big key (11), turns button (12) down, steams and stew button (13), the button of cooking (14), congee/soup button (15), marmite meal button (16), chafing dish/cooking button (8) and system power supply button (9).

3. electrothermal furnace control circuit according to claim 1 is characterized in that described temperaturecontrol sensor (17) is arranged on the empty place of interior ring heating tube (5) annular center.

4. electrothermal furnace control circuit according to claim 3, it is characterized in that described temperaturecontrol sensor (17) is arranged on the position of the center of electrothermal furnace panel heat-generating disc a little more than heat-generating disc, put behind the pot this temperaturecontrol sensor (17) contact and be forced into the bottom of a pan and heat-generating disc with high.

5. electrothermal furnace control circuit according to claim 1 is characterized in that the bottom of described heat-generating disc is provided with the temperature protection sensor (18) that is connected with the input of programmable microprocessor (1).

6. electrothermal furnace control circuit according to claim 1 is characterized in that the output of described programmable microprocessor (1) also is connected with cooling blower drive circuit (19).