CN2499727Y - Computer controller for microwave oven - Google Patents

Abstract

The utility model relates to a microwave computer controller, comprising a circuit control part as well as a shell body. The circuit control part comprises a microprocessor, a key array, a sensor, a door opening signal, a microwave power drive, an infrared power drive, a lamp and a rotary table drive, a microwave power, an infrared heater, and a lamp and a rotary table drive. The microprocessor address line low power 8-bit is connected with a memory through an address locking memory, and the high power 8-bit is connected with the memory directly. The microprocessor is connected with the memory and both the microprocessor and the memory are connected with a lattice LCM display. The memory of the utility model stores the menu and the automatic control program, thereby being capable of automatically cooking Chinese cuisine with splendid color, flavor and taste.

Description

The micro-wave oven computer controller

The utility model relates to electronic technology field, particularly the micro-wave oven computer control technology.

Early stage micro-wave oven adopts mechanical timer to realize that along with the development of microcomputerized control technology, micro-wave oven is controlled by the controller that single chip microcomputer is formed gradually to magnetron control, and its major function is that cooking time and power division are realized control.In addition some controller weaves fixing program to be user-friendly to simple heating process commonly used such as microwave thawing, beverage heating, roast potato etc.The micro-wave oven inside of Chu Xianing had also increased infrared heating pipe in recent years, made micro-wave oven be converted into microwave and the mode that barbecue develops simultaneously from single heating using microwave, made more horn of plenty of cooking method.After micro-wave oven comes out, owing to can satisfy the more single eating habit of west family substantially, thereby obtain popularizing rapidly.And enter the family of east cooking culture, particularly China is only the thing of nearly more than ten years, because Chinese Cuisine is many, wide in variety, the eating habit difference of various places, in order to popularize micro-wave oven, producer synchronously supporting instructs the menu of cooking when selling micro-wave oven, utilize the cooking in microwave oven dish to help the user.Yet owing to complex process, too many, the difficult grasp of artificial participation, and kind is few, must browse menu in addition at any time, particularly the layman is with regard to more difficult (as firepower, time, batching and quantity etc.), therefore, domestic households, up to the present, most of family is used for hot leftovers, leftovers, steamed bun, milk etc. with micro-wave oven.

The purpose of this utility model is the deficiency at above technology, designs a kind of micro-wave oven computer controller, makes in its memory to have menu, and can control cooking in microwave oven automatically and go out all good Chinese cuisines of color.

The purpose of this utility model can be achieved through the following technical solutions:

The micro-wave oven computer controller, comprise circuit control section and housing, the circuit control section comprises, microprocessor MPU, the key display, sensor, enabling signal, microwave power drives, infrared power drives, the lamp rotating disk drives, the microwave power device, infrared heating device and lamp, rotating disk, it is characterized in that: described circuit control section central processing unit, the least-significant byte of address wire joins by address latch and memory, the most-significant byte of the address wire of microprocessor directly and memory join, dot matrix LCM display is used for display control state and the internal memory menu joins with memory and microprocessor.

The utility model compared with prior art, address, latch, memory and the setting of putting old LCM display have menu and control program in the memory, can carry out automatic-cooking to the menu that the user chooses, and cook out all good Chinese cuisines of color.

Below in conjunction with accompanying drawing the utility model is described in further detail:

Fig. 1 is a theory diagram of the present utility model;

Fig. 2 is a flow chart of the present utility model;

Fig. 3 is the utility model circuit diagram;

Fig. 4 is an embodiment FB(flow block) of the present utility model.

A kind of micro-wave oven computer controller, comprise circuit control section 1 and housing 2, the circuit control section comprises, microprocessor MPU 101, key array 102, sensor 103, enabling signal 104, microwave power drives 105, infrared power drives 106, the lamp rotating disk drives 107, microwave power device 108, infrared heating device 109, lamp and rotating disk 110, described circuit control section 1 central processing unit (101), the least-significant byte of address wire joins by address latch 113 and memory 111, the most-significant byte of the address wire of microprocessor 101 directly and memory 111 join, dot matrix LCM display 112 is used for display control state and menu joins with memory 111 and microprocessor 101.MPU is a chip microprocessor in the circuit, it is this controller CPU, bearing monitoring to all parts in the controller, ROM is a memory, can deposit the required execution command of MPU, ripe menu, the execution flow table that obtains after every kind of menu decomposes, character library etc., its program as shown in Figure 2, key array and dot matrix LCM display (lattice lcd display) person's of being to use man-machine interface, user's work request can be imported controller by keyboard array, carrying into execution a plan of controller shows to the user that by LCM whole implementation can be shown fully on LCM.It is that the control signal that MPU sends is converted into the switch motion that can promote microwave power that microwave power drives, the work of control microwave.Infrared power drives MPU is amplified the control of infrared power pipe, makes it to control infrared barbecue.It also is that the signal that MPU is sent out amplifies the bright and rotating disk action of back control lamp that lamp, rotating disk drive.Enabling signal is to establish in order to prevent microwave from revealing, when perceiving fire door when being opened, MPU sends instruction rupturing duty parts immediately, and sensor is a selectable unit, utilization is to the detection of temperature in the stove, revises control strategy to microwave and barbecue by the appropriate mathematical model.

Store the menu of classifying with the various styles of cooking in a large number in the ROM, the menu that the user whenever chooses when operation, MPU all can be with this menu raw materials used and quantity on dot matrix LCM, show in detail, after treating that the user confirms to prepare culinary art, whole cooking process can be shown again on the dot matrix LCM that controlling micro-wave oven automatically by MPU carries out.For must by manually the culinary art in the middle of operate, MPU can point out on dot matrix LCM in time, have sound simultaneously and send, the indication user carry out what the operation, whole process needn't be remembered by the user, the user is easy to operate.In each stage of the cooking, microwave and infrared power output, power division, the cooking time, under controller was controlled automatically, to reach best in cooking effect, this process user was difficult to grasp fully, and this controller is easy to realization.

MPU is in the process of control culinary art automatically, as the user special requirement is arranged, such as the increase and decrease of quantity of food, to giving birth to the requirement of ripe taste, all can increase and decrease the time of microwave and barbecue in real time by manual intervention, make the work of micro-wave oven obtain maximum flexibility, consider the function of most of micro-wave ovens of present market, the present invention also with these functions as work merely on time, simple barbecue, mix and to work on time, thaw, function such as quick is placed on the influential position of most convenient.

The menu that is stored among the ROM is classified with the style of cooking, kind, the user is easy to find, but the dish that each family does has only relatively-stationary several within a certain period of time, therefore controller again can be with menu by the user from line number, numbering by the user is come quick search, the speed of the micro-wave oven that speeds operations.

The least-significant byte of the address wire of MPU is preserved by U4, and most-significant byte is directly sent, and formed 16 bit address lines have been realized the addressing with the old LCM of point to ROM, and U1 and U2 are that voltage-stabiliser tube produces 12V respectively and the 5V power supply uses for controller.The microwave-driven circuit realizes that by resistance R 7 triode Q4 relay R L3 resistance plays metering function, provides base current of triode to make the electric current of transistor collector output can make the relay adhesive simultaneously, thereby is the power supply of microwave power pipe.Equally, infrared driver circuit is realized by resistance R 11 triode Q1 relay R L2.Lamp, rotating disk drive circuit are realized by resistance R 17 triode Q7 relay R L1.Buzzer drive circuit is driven by resistance R 15 triode Q8.Keyboard is made up of microswitch.

Physical circuit as shown in Figure 3, wherein U3 (MPU) model is 89C52, U5 (ROM) is 29C020, dot matrix LCM is JM12864A, U1 is 7812, U2 is 7805, U4 is 74HC373, U6 is IMP810JEUR, X1 is the 8M crystal oscillator, triode Q1, Q4, Q6, Q7, Q8, Q9 is 2N5551, Q5 is 2N5401, ZD1 is Zener diode 8.2V, buzzer B1 is HP-1206A, relay R L2, RL3 is OMF-S-112, RL1 is OJ-SS-112, diode D1-D9 is 1N4007, D10 is 1N4148, R1 22K, R2R20 51K, R3R7R11R14R15R16R17 4.7K, R4R8R12R18R23 10K, R13 100R, R19470R, capacitor C 3C5C7C9C11C16C17C21C23C24C25 0.1u, C19C20 30P, C1 0.001uF/4KV, C2 470uF, C4 1000uF, C8C10 220uF, C18C22100uF.

Be example to give birth to quick-fried meat below, the detailed description flow process of the present utility model and the course of work; Be computer program stored in the memory as shown in Figure 4, after the user chooses this dish, at first point out the user required materials, on the lattice lcd screen, show, 0.3 kilogram of leg of pork sliced meat, 0.04 kilogram of lard, 0.1 kilogram in garlic bolt, bean cotyledon, Salt black bean, refined salt, monosodium glutamate is an amount of.Prompting cooking route then: sliced meat+salted 3 minutes →+oil adds a cover → goes into and put into bean cotyledon after stove cooking → prompting taking-up is turned over, Salt black bean, and garlic bolt → go into stove → end is put monosodium glutamate.Wherein going into the stove gastronomical process carries out fully automatically, this process is divided three phases, about 2 minutes of phase I, adopt the intermittently mode of heating, i.e. low-power, major function is that meat and the oil that will pickle fully mix infiltration, make it tasty, second stage adopts the microwave total power, and high power, about 4 minutes, meat is fully fried in shallow oil.The method that phase III adopts High-Power Microwave and infrared barbecue to develop simultaneously makes surperficial little Huang of meat, about 1 minute of this time.The prompting user takes out to turn and to have sound when reinforced and sends, and this process must be participated in by the user, makes fried meat add batching and mixes thoroughly, reaches the dense purpose of color tool.Last process is the said process continuity, the method that adopts High-Power Microwave and infrared barbecue to develop simultaneously equally, about 1 minute of time.Last sent sound, prompting is finished.In said process, if the meat that the user joined is more, can be that unit increases the cooking time with per 10 seconds with " adding " key then the gastronomical process user, after process finishes, the user can get a numbering and deposit, the menu that meets own characteristics has so promptly formed, and choosing this numbering next time promptly is the cooking of carrying out from creating menu.

Claims (1)

1, a kind of micro-wave oven computer controller, comprise circuit control section (1) and housing (2), the circuit control section comprises that microprocessor (101), key array (102), sensor (103), enabling signal (104), microwave power drive (105), infrared power drives (106), lamp and rotating disk and drives (107), microwave power device (108), infrared heating device (109) and lamp, rotating disk; It is characterized in that: the least-significant byte of described circuit control section (1) central processing unit (101), address wire joins by address latch (113) and memory (111), the most-significant byte of the address wire of microprocessor (101) directly and memory (111) join, dot matrix LCM display (112) is used for display control state and menu joins with memory (111) and microprocessor (101).

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