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CN100527906C - Combined toaster and microwave oven and control method thereof - Google Patents

Combined toaster and microwave oven and control method thereof Download PDF

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Publication number
CN100527906C
CN100527906C CNB038237725A CN03823772A CN100527906C CN 100527906 C CN100527906 C CN 100527906C CN B038237725 A CNB038237725 A CN B038237725A CN 03823772 A CN03823772 A CN 03823772A CN 100527906 C CN100527906 C CN 100527906C
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CN
China
Prior art keywords
toaster
heater
time
bread
internal temperature
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Expired - Fee Related
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CNB038237725A
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Chinese (zh)
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CN1689374A (en
Inventor
李丙龙
申成云
郑信才
朴元庚
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LG Electronics Inc
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LG Electronics Inc
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Publication of CN1689374A publication Critical patent/CN1689374A/en
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Publication of CN100527906C publication Critical patent/CN100527906C/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/80Apparatus for specific applications
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/64Heating using microwaves
    • H05B6/66Circuits
    • H05B6/666Safety circuits
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J37/00Baking; Roasting; Grilling; Frying
    • A47J37/06Roasters; Grills; Sandwich grills
    • A47J37/08Bread-toasters
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B2206/00Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
    • H05B2206/04Heating using microwaves
    • H05B2206/042Microwave oven combined with a toaster or including a toaster

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electric Stoves And Ranges (AREA)

Abstract

The present invention relates to a combined toaster and microwave oven that can obtain uniformly toasted slices of bread even when the slices of the bread are toasted successively several times. The combined toaster and microwave oven includes a key input unit for selecting user's favorite kind of the bread and baking level, a memory for storing heating time of the heaters according to the favorite kind of the bread and the favorite baking level, a temperature sensor for sensing internal temperature of the toaster, a controller for counting an elapsed time for the heaters to operate after the heaters stop and adjusting the heating time of the heaters according to the counted time and the internal temperature of the sensor.

Description

The combination of toaster and microwave oven and control method thereof
Technical field
Microwave oven of the present invention more particularly, the present invention relates to the combination and the control method thereof of a kind of toaster and microwave oven.
Background technology
Usually, microwave oven is a kind of by means of the equipment of microwave to the heating object heating.In microwave oven as shown in Figure 1, provide microwave and heating chamber 2 that heating object is covered on wherein is arranged in the cavity assembly 1, and the structure of heating chamber 2 is designed to and can opens and closes by door 4.
In addition,, be provided for producing the electronic room 10 of microwave, and the structure of this electronic room 10 is designed to cover with shell 6 in a side of this heating chamber 4.The magnetron 12 be used to make microwave oscillation is installed in this electronic room 10, is used for high voltage is applied to the high-tension transformer 14 of this magnetron 12, and the blower fan (not shown) that is used to cool off this electric component and forms the air-flow that passes these heating chamber 2 interior zones.
Although the conventional microwave oven of said structure has various functions,, up to now, also do not have the microwave oven of easy baking function to cook various foods.
In other words, because this routine microwave oven that does not have a heater at all can not cooking surface bag sheet, in case the user wants to make toasted bread as simple food, even this microwave oven has many functions, they also will utilize independent toaster, therefore just feel very inconvenient.Therefore, the shortcoming that this routine microwave oven has is not only to increase the toaster purchase cost, and cause inconvenience when using.
Summary of the invention
Therefore, the present invention relates to the combination and the control method thereof of a kind of toaster and microwave oven, it has avoided one or more problems of causing owing to correlation technique limitation and shortcoming basically.
The combination and the control method thereof that the purpose of this invention is to provide a kind of toaster and microwave oven, although rusk carries out the several times baking continuously, this rusk is toasted with same degree.
Another object of the present invention provides the combination and the control method thereof of a kind of toaster and microwave oven, and it can consider to toast setting and adjustment cooking time under the bread quantity situation.
Other feature and advantage of invention will be illustrated in description subsequently, and will be apparent in description simultaneously, perhaps can understand by the invention practice.The structure of specifically noting from written description and claims and accompanying drawing will realize and reach purpose of the present invention and other advantages.
For realizing these and other advantage of the present invention, according to purpose of the present invention concrete and that briefly describe here, provide the combination of a kind of toaster and microwave oven, comprising: a plurality of heaters that are used to heat the bread in the toaster; Be used to select the bread kind that the user likes and the key entry unit of baking degree; Be used to store the memory of the heating time of bread kind that heater likes according to the user and baking degree; The temperature sensor that is used for this toaster internal temperature of sensing; And controller, this controller is used for that this heater is operated elapsed time once more after stopping to be added up, and adjusts heating time according to the time and the toaster internal temperature of statistics.
In order to realize these and other advantages according to the object of the invention, a kind of method of controlling the combination of toaster and microwave oven is provided, the step that this method comprises is: step a, the statistics heater is operated elapsed time once more behind complete operation; Step b adds hot heater according to user's instruction; Step c, the internal temperature of detection toaster; And steps d, according to the time of statistics and the heating time of toaster internal temperature adjustment heater.
In another aspect of the present invention, the combination of a kind of toaster and microwave oven is provided, comprising: be used to select first of microwave oven function to key in the unit; Be used to select second of toaster function, bread kind and baking degree to key in the unit; Be used to heat a plurality of heaters of the bread in the toaster; Be used to store heater likes best the heating time of bread kind and baking degree and toaster internal temperature reference change rate according to the user memory; The temperature sensor that is used for this toaster internal temperature of sensing; Be used to survey in this toaster bread quantity and adjust the controller of heater heats time according to surveying rusk quantity.
Aspect another, provide a kind of method of controlling the combination of toaster and microwave oven of the present invention, the step that this method comprises is: step a, user select bread kind and baking degree; Step b, heater heats according to the bread kind of selecting and the baking degree of selection; Step c surveys the internal temperature of this toaster; Steps d is surveyed bread quantity in this toaster by the toaster internal temperature rate of change of surveying, and step e, adjusts the heating time of heater according to the rusk quantity of surveying.
It should be understood that above-mentioned general remark and following detailed description are typical and illustrative, be used to provide to as the further specifying of the invention of claim qualification.
Description of drawings
The accompanying drawing that comprises provides further to be understood the present invention, incorporates and form a specification part simultaneously into, and these accompanying drawings show embodiment and are used for illustrating principle of the present invention with specification.
In the accompanying drawings:
Fig. 1 shows conventional microwave oven;
Fig. 2 shows according to combined toaster of the present invention and microwave oven;
Fig. 3 shows the structure of toaster shown in Figure 2;
Fig. 4 shows the block diagram that is used for control heater;
Fig. 5 and 6 is for showing the flow chart according to toaster control method of the present invention;
Fig. 7 shows after heater stops this toaster internal temperature with respect to the curve chart in elapsed time;
Fig. 8 is the block diagram that shows another embodiment of parts that is used to control this heater;
Fig. 9 is the flow chart that shows another embodiment of toaster control method of the present invention;
Figure 10 shows the block diagram that is used for the parts of control combination toaster and microwave oven according to of the present invention;
Figure 11 shows combined toaster and microwave oven in accordance with another embodiment of the present invention; And
Figure 12 shows toaster structure shown in Figure 11.
Embodiment
Below will be in detail with reference to the preferred embodiments of the present invention, the example of these embodiment shown in the drawings.
Fig. 2 shows according to combined toaster of the present invention and microwave oven, and Fig. 3 shows the structure of toaster shown in Figure 2.
As shown in Figure 2, culinary art chamber 22 is positioned at a side of cavity assembly 20.Electronic room 23 is positioned at the opposite side of this cavity assembly 20.In this culinary art chamber 22, food utilizes microwave cooking usually.This electronic room 23 has the various electronic installations that produce microwave therein.Label 21 expression shroud upper panels.
This culinary art chamber 22 opens and closes by culinary art chamber door 24.This culinary art chamber door 24 is sealed to this shroud upper panel 21, thereby this culinary art chamber 22 is covered out with the outside.These label 25 expression handles are to open and close the door 24 of this culinary art chamber 22.This shell 27 covers out this cavity assembly 20 with this electronic installation chamber 23.In the present embodiment, this shell 27 forms upper surface and two side surfaces of microwave oven.
As shown in Figure 3, this electronic installation chamber 23 has the toaster 30 that passes shroud upper panel 21 within it.Toaster panel 32 is positioned at the front surface of this toaster 30.Toaster door 40 is installed on this toaster panel 32.Toaster housing 50 is installed in the rear surface of this toaster panel 32.This toaster housing 50 combines with this toaster panel 32 by this shroud upper panel 21.This toaster housing 50 is become by metal, and has the space of baking bread therein.
Case front panel 51 is arranged on the front surface of this toaster housing 50.This case front panel 51 has the inlet 52 that is used for bread is received in this toaster housing 50 and this bread is released from this toaster housing 50.Toaster front 60 is installed on the housing front surface 51 and is made of metal.When this toaster door 40 was opened, this toaster front 60 was exposed to the outside, and had a plurality of parallel rectangle entrances 62.This inlet 62 is communicated with the inlet 52 of this case front panel 51.
Tray support 70 is installed on this toaster housing 50.This tray support 70 has carriage 74 thereon so that breading slices is stood in wherein.The number of carriage 74 is identical with these 62 numbers that enter the mouth.When this toaster door 40 was opened, this carriage 74 reached outside predetermined length by this inlet 62.
This toaster housing 50 has the heater 80 that is used to generate heat with baking bread therein.This heater 80 is installed on the position corresponding with these rusk both sides, so that heat the both sides of this rusk.This heater 80 has heating line therein and is used for heating, and can heat two surfaces of erectting the rusk of admitting equably.Breadcrumbs receiver 90 resembles to be mounted to by this toaster panel 32 bottoms the drawer and is inserted into toaster housing 50, and releases from this toaster housing 50.
In aforesaid this toaster 30, when this toaster door 40 was opened, this carriage 74 was pushed out into the front portion by this inlet 62.Rusk is erect and is placed on this carriage 74, and this toaster door 40 is closed simultaneously.Then, because carriage 74 moves, this rusk is drawn in this toaster housing 50.
When electric energy puts on this heater 80, produce heat, this bread is toasted simultaneously.As shown in Figure 3, this heater 80 is mounted to the both sides of this rusk of baking.In other words, owing to two surfaces of this rusk that are erected on this carriage 74 should be toasted, so this heater 80 comprises left heater 83, right heater 82 and central heater 81.A loaf of bread sheet is inserted between left heater 83 and the central heater 81, and a loaf of bread sheet is inserted between right heater 82 and the central heater 81.Here, be provided with bread is placed on two inlets on the carriage.If three inlets are arranged, four heaters should be arranged, that is to say, two at the center, one in the left side and one on the right side.
First embodiment
Fig. 4 is the block diagram that shows the parts of the toaster that is used for control combination toaster and microwave oven.
As shown in Figure 4, comprise a plurality of heaters 80, the fan motor 160 that is used to cool off this toaster inside, the key entry unit 110 that is used for this toaster of selection operation and baking degree menu, the memory 120 that is used to store the cooking time of setting according to baking degree that is used to toast the bread in this toaster, the temperature sensor 140 that is used for this toaster culinary art chamber interior temperature of sensing according to combined toaster of the present invention and microwave oven, and the microcomputer 130 that is used to control this heater 80 and fan electromotor 160.
If the user keys in unit 110 by this and selects this baking degree, and input culinary art instruction, then these microcomputer 130 statistics are from the culinary art termination time to input culinary art instruction time elapsed time (statistics culinary art termination time hereinafter referred to as), read first cooking time corresponding from memory 120, simultaneously control heater 80 during first cooking time with the baking degree of this selection.In the culinary art termination time of first cooking time and statistics, according to the internal temperature of surveying by this temperature sensor 140, this microcomputer 130 determines that second cooking time is to drive this heater 80.This microcomputer 130 is at this heater 80 of the second cooking time manipulate, and at second cooking time this heater 80 of shut-down operation later, the while is at setting-up time manipulate fan electromotor 160.
The method of this toaster of control of the present invention is described below with reference to Fig. 5.
As shown in Figure 5, when finishing culinary art, these microcomputer 130 operation culinary art termination time counters are up to next one culinary art instruction input (S10).Instruct when the user selects baking degree also to import culinary art by key entry unit 110, this microcomputer 130 reads the first cooking time T1 (S20-S40) corresponding with the baking degree of selecting from this memory 120.
This microcomputer 130 is at this first this heater 80 of cooking time T1 manipulate that reads, to toast this bread (S50).This temperature sensor 140 is surveyed the internal temperature Temp (S60) of this culinary art chamber in the time of ten seconds at the first cooking time T1 or after beginning to cook.
Then, determine the second cooking time T2 (S70) according to the culinary art termination time of statistics and the internal temperature Temp that surveys at step S60.When the statistics culinary art termination time was longer, this microcomputer 130 prolonged the heating time of this heater 80, adds up culinary art termination time more in short-term when this simultaneously, and shorten the heating time of this heater 80.When the internal temperature of this toaster was higher, this microcomputer 130 made the shortening 80 heating times of this heater, and when the internal temperature of this toaster hangs down, was prolonged the heating time of this heater 80.
To describe the method for determining the second cooking time T2 below in detail.As shown in Figure 6, this microcomputer 130 compares this first setting-up time and the culinary art termination time of adding up after these heater 80 shut-down operations.If should statistics cook the termination time than this first setting-up time weak point, then the second cooking time T2 determines (S71-S72) according to predetermined formula.Formula 1 is for determining the example of the second cooking time T2 formula.
Formula 1
T2=64-internal temperature * 10/21
On the other hand, if it is longer than this first setting-up time to add up the culinary art termination time, and shorter than second setting-up time, then determine the second cooking time T2 (S73-S74) according to another predetermined formula.Formula 2 is examples of determining the formula of the second cooking time T2 at step S74.
Formula 2
T2=69-internal temperature * 10/27
If determine that the statistics culinary art termination time is long than second setting-up time (S75), then this microcomputer 130 compares internal temperature of surveying at step S60 and design temperatures, and whether definite this internal temperature is lower than or equals design temperature (S76).
If than this design temperature height, then determine this second cooking time T2 (S77) according to formula 3 at the definite internal temperature Temp that surveys of step S76.Here, this design temperature is a room temperature, is about 35 ℃ specifically.
Formula 3
T2=80-internal temperature * 10/23
On the other hand, if determine that at step S76 the internal temperature Temp that surveys is lower than this design temperature, then determine the second cooking time T2 (S78) according to formula 4.
Formula 4
T2=50-internal temperature * 10/31
As shown in Figure 7, this first setting-up time for beginning to operate and cook the chamber time of cooling period at fan electromotor 160 from this culinary art termination time is specifically, with the pressure chilling room every (1) time corresponding.
Second setting-up time is latent heat effect blanking time (2), and wherein this internal temperature is owing to cause rising once more at fan electromotor 160 operation back latent heat.The interval that surpasses second setting-up time is corresponding to the balance interval owing to natural heat release, and promptly natural heat release is (3) at interval.
If should the culinary art instruction import at this nature heat release interval (3), if the internal temperature Temp that then passes through temperature sensor 40 detections is than room temperature height, then determine the second cooking time T2 according to formula 3, if but the internal temperature Temp that surveys by temperature sensor 40 is lower or equal room temperature than room temperature, then determines the second cooking time T2 according to formula 4.
In the present invention, according to the variation of internal temperature Temp, this toaster is divided into three intervals (1,2,3) cooling time.The second cooking time T2 depends on that interval that heater 80 heats once more in three intervals.By experiment, by means of directly measuring and each corresponding at interval state, formula 1 to 4 can be derived and be calculated each second cooking time T2 at interval.
During determining the second cooking time T2 as mentioned above, this heater 80 is operated always and is carried out cooking food.After through the second cooking time T2, this heater 80 stops (S80-S90), operates fan electromotor 160 in addition and ventilates to make the culinary art chamber interior during setting-up time.
Therefore, in the present invention,, determine best cooking time, thereby customer satisfaction system bread can be provided by considering culinary art termination time and the time between the input culinary art instruction time and the internal temperature of this toaster once more formerly.
Second embodiment
Fig. 8 is the block diagram of parts of heater that is used for being controlled at combined toaster and microwave oven according to second embodiment of the invention.
As shown in Figure 8, microcomputer 204 is connected to this first key entry unit 201 and second and keys in unit 202, wherein this first key entry unit 201 is used to import the operational order of microwave oven and selects the microwave oven menu, and the second key entry unit 202 is used to import the operational order of this toaster and selects this toaster menu.This microcomputer 204 is according to keying in the instruction output control signal of unit 202 inputs by this first key entry unit 201 and second with the control relevant device.
This microcomputer 204 is connected with second load driver 206 with first load driver 205, wherein this first load driver 205 is used for driving this microwave oven according to the control signal of this microcomputer 204, and second load driver 206 is used for driving this toaster according to the control signal of this microcomputer 204.
Heater 207 is according to the drive signal operation of second load driver 206.Cooling fan 208 these toaster inside of cooling.Temperature sensor 209 is surveyed the internal temperature of this toaster.Memory 203 stores the heating time of this heater according to this bread kind and baking degree.
The method of this toaster of control of the present invention is described below with reference to Fig. 9.
This microcomputer 204 determines whether power supply is opened (S111) and determined whether cooking signals imports (S112).If determine at step S112 whether cooking signals is imported, determine then the user keys in unit 201 and second which input signal (S114 and S121) of keying in the unit 202 by first.
If the user keys in unit 202 input instructions by second, then microcomputer 204 shows the function and the menu of toaster on this display unit (not shown).This menu comprises bread kind.This user selects bread kind in this toaster menu.This microcomputer 204 drives this heater 206 (S115).
This microcomputer 204 is set different cooking times according to following state: do not have bread in this toaster; A slice of bread is in this toaster; And two unilateral wrapping in this toaster.
If in this toaster, there is not this heater 207 under the situation of bread that the state of operation of bread is arranged in this toaster, then may be because the overheated fire incident that causes, electric power surpasses necessary amounts and uses simultaneously, thus energy dissipation.In addition, if having in this heater 207 has an a slice of bread in this toaster state and this toaster under the state of two bread with identical state of operation, the very not enough or unusual mistake of this bread baking then.Therefore, according to culinary art object value volume and range of product, the toaster of this combined toaster of the present invention and microwave oven is automatically adjusted this cooking status and is cooked object.
In more detail, be installed in this memory 203 of this combined toaster and microwave oven, store according to setting heating time of this heater 207 of culinary art object number with according to this toaster internal temperature reference change rate of rusk number.When this heater 207 of heating, this temperature sensor 209 is surveyed the internal temperature (S117) of this toaster.If this toaster internal temperature by temperature sensor 209 detections, for example, if when after heater 207 heating during through 10 seconds, this toaster internal temperature promptly rises to design temperature above (S118), this microcomputer 204 determines do not have bread in this toaster, and closes this heater 207 (S119) later at the fixed time.This microcomputer 204 can the toaster internal temperature rate of change of surveying by temperature sensor 209 be kept at that toaster internal temperature reference change rate compares in the memory, to survey the quantity of bread in this toaster.Because two kinds of situations, the a slice of bread situation is promptly arranged in this toaster and the situation of two bread is arranged in this toaster, the internal temperature growth rate differs from one another, thereby this microcomputer 204 is adjusted cooking status and control heater 207 according to the internal temperature growth rate with the related characteristic of this internal temperature growth rate.
By considering the object of this toaster internal temperature and rusk number or culinary art, automatically set and adjust cooking time according to the combined toaster and the microwave oven of second embodiment of the invention, thereby can toast bread to satisfy the user.
The 3rd embodiment
Figure 10 shows the block diagram that is used for controlling according to the parts of combined toaster of the present invention and microwave oven toaster.
As shown in figure 10, comprise that according to combined toaster of the present invention and microwave oven first keys in unit 301, the second key entry unit 302, microcomputer 304, first load driver 305, second load driver 306, heater 307, temperature sensor 310, cooling fan 308 and warning message output unit 309, wherein the first key entry unit 301 is used to import the operational order of microwave oven and selects the microwave oven menu; Second keys in operational order and the selected toaster menu that unit 302 is used to import toaster; Microcomputer 304 is used for according to exporting corresponding control signal by this first instruction of keying in the unit 301 or second key entry unit 302 inputs, whether the internal temperature of determining to survey by this temperature sensor 310 than this design temperature height, and notifies user's toaster mistake to occur; First load driver 305 is used for driving this microwave oven according to the control signal of microcomputer 304; Second load driver 306 is used for driving toaster according to the control signal of microcomputer 304; Heater 307 is used for operating according to the drive signal of second load driver 306; Temperature sensor 310 is used to survey the internal temperature of this toaster when keying in unit 302 input operations instruction by second; Cooling fan 308 is used for the control signal operation according to microcomputer 304, and warning message output unit 309 is used for notifying the user wrong according to the control signal of microcomputer 304.
Here, this warning message output unit 309 comprises the display unit 309a and the alarm generating unit 309b that is used to send false alarm that is used for showing with literal false alarm information.
In the combined toaster of the present invention and microwave oven that have as above-mentioned structure, when operational order was keyed in unit 302 inputs by second, these microcomputer 304 control heaters 307 were to operate according to user's set condition.
If these heater 307 operations, then this temperature sensor 310 is surveyed the internal temperature of this toaster, and whether the while is higher than according to this detection internal temperature or equals design temperature, from these microcomputer 304 output command adapted theretos.In other words, if the internal temperature of surveying by this temperature sensor 310 is higher than or equals design temperature, then this microcomputer 304 stops heater 307 and drives cooling fan 308.
In addition, if this heater 307 stops, cooling fan 308 operations, warning message output unit 309 is with literal or alarm output error warning message.
The method of various details control combination toaster and microwave oven.Microcomputer 304 determines whether power supply is opened.If determine power supply opening, determine then the user keys in unit 301 and second which input instruction of keying in the unit 302 by first.If this user keys in unit 301 input instructions by first, then this microcomputer 304 drives this microwave oven.On the contrary, if this user keys in unit 302 input instructions by second, then this microcomputer 304 drives heater 307 according to command adapted thereto.
If 307 operations of hot device, then this microcomputer 304 is surveyed the internal temperature of these toasters by this temperature sensor 310, and whether the internal temperature of determining the toaster surveyed is higher than or equals design temperature.If the toaster internal temperature of surveying is higher than or equals design temperature, then this microcomputer 304 determines that toaster is overheated, and passes through this warning message output unit 309 with literal or alarm output error warning message.On the contrary, if this toaster internal temperature of surveying is lower than design temperature, then this microcomputer 304 is surveyed the toaster internal temperature and is finished its operation up to heater 307.
Then, when this heater 307 was finished its operation, this microcomputer 304 drove cooling fan 308 to carry out one period cooling time.
As mentioned above, the internal temperature of surveying this toaster continuously according to the combined toaster and the microwave oven of third embodiment of the invention, and whether be higher than or equal design temperature according to this detection internal temperature and come control heater 306 and cooling fan 308, also be the false alarm information of user's output character or alarm form simultaneously, thereby can notify the user by overheated caused danger.
Figure 11 shows remodeling combined toaster and the microwave oven according to another embodiment of the present invention shown in Figure 2.As shown in figure 11, this combined toaster and cavity of microwave oven assembly 440 have culinary art chamber 441, and wherein this culinary art chamber 441 is for utilizing the cavity of microwaveable cooking object.
Culinary art chamber door 445 is used to open and close this culinary art chamber 441, and this culinary art chamber door 445 is installed in the side of these cavity assembly 440 shroud upper panels 443.The electronic installation chamber 447 that wherein has the various electronic units that are used to produce microwave is formed on the side (right side in the accompanying drawings) of this cavity assembly 440.The top of this cavity assembly 440 and both sides are covered by shell 449, and wherein this shell 449 forms this microwave oven upper surface and both side surface.
Toaster 450 is mounted for the roasting plant in this electronic installation chamber 447.This toaster 450 comprises the toaster panel 451 that is formed on the front portion, be installed in these toaster panel 451 back and have the toaster housing 460 of predetermined space, and is rotatably installed in the toaster door 453 on this toaster panel 451.
Carriage inlet 451a is formed on the bottom of this toaster panel 451, and wherein bread supports pallet 459 from this carriage inlet 451a ejection, and this carriage inlet 451a will describe subsequently.Case front panel 461 with inlet of a pair of ejection bread is installed on the front surface of this toaster housing 460.
This toaster door 453 is by opening and closing this inlet with respect to bottom rotation predetermined angular.This toaster door 453 is made by the plastic material the same with culinary art chamber door 445, thereby the front of this microwave oven looks like unanimity.
A pair of notch 455 is formed on this toaster housing 460.This notch 455 holds bread and extends towards these toaster housing 460 back from this inlet.
The bread carriage 457 that is used for ejecting easily by this notch bread is installed in this notch 455 bottoms.This bread carriage 457 is bread positions placed thereon, and it flatly is installed in this notch 455 bottoms.This bread carriage 457 is worked in coordination with the rotation of this toaster door 453, and ejects from these notch 455 front and back, so that eject this bread easily from this notch 455.
Breadcrumbs pallet 459 is installed in this toaster housing 460 bottoms, and ejects or collection surface cinder inclusion during baking when this bread.This breadcrumbs pallet 459 is mounted to like this, so that eject by this pallet inlet 451a that is formed on these toaster panel 451 bottoms.
Figure 12 at length shows the structure of the toaster housing according to the present invention.As shown in figure 12, a plurality of heaters 462,463 and 464 are installed in the both sides of these toaster housing 460 inner tank mouths 455.This heater 462,463 and 464 is used to heat bread, and be installed in this toaster housing 460 both sides and between notch 455.
A plurality of bread support 462a, 463a and 464a are installed in this heater 462,463 and 464 both sides.This heater 462,463 and 464 is installed on central heater 462 both side surface and is installed on the opposite face of left side and right side heater 463,464, so that stop the bread that inserts notch 455 directly to touch on this heater 462,463 and 464 surfaces.
Be used for the heat release that produces when toasting bread is formed on upper plate 465 to a plurality of exhaust outlet 465a of outside, wherein this upper plate 465 is formed on these toaster housing 460 upper surfaces.A plurality of air inlet (not shown) are formed on the lower surface of this toaster housing 460.Therefore, by air inlet, because being introduced in this toaster housing 460 towards these toaster housing 460 flow air of causing of the cooling fan of electronic installation chamber 447, and be discharged into electronic installation chamber 447 by exhaust outlet 465a.Owing to ventilate in this toaster housing 460, therefore from the heater 462,463 that is installed in this toaster housing 460 and 464 heat discharges that produce to this electronic installation chamber 447.
Air channel 467 is installed on this top board 465, is used for the guiding of the heat in this toaster housing 460 is outwards discharged by exhaust outlet 465a.This air channel 467 forms the rear end open that makes both side surface.Because this toaster door 453 is covered the front surface (referring to Fig. 1) of this toaster housing 460, be directed to the electronic installation chamber 447 at these toaster housing 460 rear portions by air channel 467 by the heat of the outside discharging of this exhaust outlet 465a.
Thermistor 469 is installed on these air channel 467 1 sides, is used for the internal temperature of this toaster housing 460 of sensing.This thermistor 469 is mounted to the through hole 467a that passes this air channel 467, passes wherein any one exhaust outlet 465a of top board 465, and extend in this toaster housing 460.
Preferably, this thermistor 469 is positioned at this toaster housing 460 centers, is specifically between these two notches 455, with the internal temperature of this toaster housing 460 of accurate detection.Because the heat in this toaster housing 460 outwards discharges by this exhaust outlet 465a, and move to this electronic installation chamber 447 from these toaster housing 460 rear portions, thereby thermistor 469 preferably is installed in the position of slightly being partial to these toaster housing 460 rear portions from toaster housing 460 inside center.
In other words, this thermistor 469 is passed in the through hole 467a that slightly is partial to the position at 467 rear portions, air channel from the center, pass be formed on this through hole 467a correspondence position on exhaust outlet 465a, thereby this thermistor 469 is arranged on by this exhaust outlet 465a outwards on the heat stream of discharging.
In the illustrated embodiment, because two notches 455 are arranged, thus this thermistor 469 is installed between two notches 455.Yet for example, if three notches 455 are arranged, this thermistor 469 is installed in the median slot of three notches.
Simultaneously, for the internal temperature of accurately surveying this toaster housing 460 and the temperature of passing through the outside discharges heat of exhaust outlet 465a in this toaster housing 460, this exhaust outlet 465a is passed in the bottom of this thermistor 469, and extend in this toaster housing 460, the top of this thermistor 469 is mounted between top board 465 and air channel 467 simultaneously.This thermistor 469 can be fixed on 467 upper surfaces of air channel by means of screw S.
The process with this textural association toaster and microwave oven of the present invention of using will be described below.
The front end of this toaster door 453 is rotated down, to open the inlet of this toaster housing 460.Simultaneously, the bread pallet 457 that is installed in these notch 455 bottoms is worked in coordination with the rotation of this toaster door 453, and is drawn out to the front portion of notch 455.
If this bread pallet 457 is directed, bread is positioned at upper surface, and this toaster door front end rotates up to cover this inlet simultaneously.This bread pallet 457 is worked in coordination with the rotation of this toaster door 453 and is contained in the notch 455.
If this bread is in this toaster housing 460, then this user handles the instruction of this key entry unit with the input user.User's input instruction is sent to for example controller of microcomputer, and the heater of this controller drives in this toaster housing 460, thereby the bread that is inserted in the notch 455 is toasted.
When this notch 455 ejects bread or when the breadcrumbs that falls down when being inserted into the bread baking in the notch 455, being collected in the bread pallet 459.
If the cooling fan of electronic installation chamber 447 is opened, then air is introduced in this toaster housing 460 by the inlet that is formed on these toaster housing 460 bottom surfaces.By a plurality of exhaust outlet 465a, be introduced in the heat that the air in this toaster housing 460 produces when toasting bread toaster housing 460 in and outwards be discharged into this electronic installation chamber 447.
Owing to the effect of this thermistor 469, may detect the internal temperature of this toaster housing 460 here.This controller comes control heater 462,463 and 464 according to the internal temperature of surveying by this thermistor 469, thereby bread can all evenly in this toaster housing 460 stably be toasted.
Because this thermistor 469 is installed in the position of slightly being partial to the rear portion from top board 465 and 467 centers, air channel, thereby this thermistor 469 is arranged on from the heat stream of this toaster housing out to 447 dischargings of electronic installation chamber.Therefore, the internal temperature of this toaster housing 460 can be surveyed more accurately.Because this thermistor 469 makes its underpart pass exhaust outlet 465a and extend into this toaster housing 460, simultaneously top is arranged between top board 465 and the air channel 467, thus the internal temperature of this toaster housing 460 and by exhaust outlet 465a outwards the heat temperature of discharging can survey more accurately.
Referring to Figure 11, apparently, basic technical conceive is according to regulating baking temperature by the temperature of thermistor detection, stably to be toasted thereby bread is all even.
Industrial applicibility
Combined toaster of the present invention and microwave oven can obtain following effect.
The first, in the present invention, re-enter the time between the time and the internal temperature of toaster by considering formerly culinary art termination time and culinary art starting command, determine best cooking time.Therefore, though rusk baking several times continuously, the also rusk that can evenly be toasted.
The second, this cooking time can consider that bread internal temperature and quantity automatically sets and adjust.In addition, when toaster was overheated, this heater automatically stopped to operate simultaneously cooling fan.Therefore, the parts in this toaster are prevented from distortion, and have avoided fire incident.
Although here preferred embodiment illustrates and described the present invention, those skilled in the art it is evident that, can carry out various modifications and variations under the situation that does not break away from the spirit and scope of the present invention.Like this, the invention is intended to cover these remodeling and the variation of invention, and these remodeling and change all belong to the accessory claim book with and the scope of equivalent in.

Claims (20)

1. the combination of toaster and microwave oven comprises:
Be used to heat a plurality of heaters of the bread in the toaster;
Be used to select the bread kind that the user likes and the key entry unit of baking degree;
Be used to store the memory of the heating time of bread kind that heater likes according to the user and baking degree;
The temperature sensor that is used for this toaster internal temperature of sensing; And
Controller, this controller are used for that this heater is operated elapsed time once more after stopping to be added up, and according to time of statistics and toaster internal temperature heating time of adjusting heater.
2. the combination of toaster as claimed in claim 1 and microwave oven, wherein this controller compares timing statistics and fiducial time, and calculates according to comparative result the heating time of heater.
3. the combination of toaster as claimed in claim 2 and microwave oven, wherein comprise first setting-up time and second setting-up time this fiducial time, first setting-up time is cooled in the toaster very first time of process for stop the back at heater, second setting-up time for stopping the back at heater because latent heat second time of causing toaster heating process wherein.
4. the combination of toaster as claimed in claim 1 and microwave oven, wherein long than fiducial time when timing statistics, it is elongated that then this controller makes the heater heats time, and shorter than fiducial time when timing statistics, then controller shortens the heating time of heater.
5. the combination of toaster as claimed in claim 1 and microwave oven, wherein work as the internal temperature of toaster than fiducial temperature height, then controller shortens the heating time of heater, and when the toaster internal temperature lower than fiducial temperature, it is elongated that then controller makes the heating time of heater.
6. the combination of toaster as claimed in claim 1 and microwave oven also comprises:
When overheated heater, be used to the warning message output unit of notifying the user mistake to occur.
7. method of controlling the combination of toaster and microwave oven, the step that this method comprises is:
Step a, statistics is finished from the heater operation and is begun to operating elapsed time once more;
Step b makes heater begin heating according to user's instruction;
Step c, the internal temperature of detection toaster; And
Steps d is according to the elapsed time of statistics and the heating time of toaster internal temperature adjustment heater.
8. method as claimed in claim 7, the step that also comprises is:
Step e selects favorite bread kind of user and baking degree; And
Step f, the heating time of coming from memory, to read heater according to favorite bread kind and baking degree.
9. method as claimed in claim 7, wherein the step that comprises of this steps d is:
Steps d-1 compares timing statistics and fiducial time; And
Steps d-2 is according to the heating time of comparative result adjustment heater.
10. method as claimed in claim 9, wherein the step that comprises of steps d-2 is:
D-2-i step, when timing statistics than longly then making the heating time of heater elongated fiducial time; And
D-2-ii step, when timing statistics than short shortening heating time that then makes heater fiducial time.
11. method as claimed in claim 9 wherein will be cooled off elapsed time for stopping at heater in the toaster of back fiducial time.
12. method as claimed in claim 9 wherein makes toaster heating institute elapsed time for stop the back at heater owing to wherein latent heat fiducial time.
13. method as claimed in claim 7, wherein the step that comprises of this steps d is:
In the d-3 step, then make shortening heating time of heater than fiducial temperature height when the internal temperature of toaster; And
D-4 step is when the internal temperature of toaster then makes the heating time of heater elongated than fiducial temperature is low.
14. the combination of toaster and microwave oven comprises:
Be used to select first of microwave oven function to key in the unit;
Be used to select second of toaster function, bread kind and baking degree to key in the unit;
Be used to heat a plurality of heaters of the bread in the toaster;
Be used to store heater likes best the heating time of bread kind and baking degree and toaster internal temperature reference change rate according to the user memory;
The temperature sensor that is used for this toaster internal temperature of sensing;
Be used for sensing bread quantity and adjust the controller of heater heats time according to sensing bread amount in this toaster.
15. combination as the toaster and the microwave oven of claim 14, wherein the rate of change of toaster internal temperature reference change rate and the toaster internal temperature of surveying by temperature sensor compares in the memory being kept at for this controller, and the quantity of definite bread.
16. the combination as the toaster and the microwave oven of claim 14 also comprises:
When overheated heater, be used to the user to show the display unit of false alarm information; And
Be used to produce the alarm generating unit of false alarm.
17. the combination as the toaster and the microwave oven of claim 14 also comprises:
Be used to reduce the cooling fan of this toaster internal temperature.
18. a method of controlling the combination of toaster and microwave oven, the step that this method comprises is:
In a step, the user selects bread kind and baking degree;
In the b step, heater heats according to the bread kind of selecting and the baking degree of selection;
C goes on foot, and surveys the internal temperature of this toaster;
In the d step, survey bread quantity in this toaster by the toaster internal temperature rate of change of surveying; And
The e step is according to the heating time of the bread quantity adjustment heater of surveying.
19. as the method for claim 18, the step that also comprises is:
F step, the heating time of coming from memory, to read heater according to the baking degree of bread kind of selecting and selection.
20. as the method for claim 18, wherein the step that comprises of this steps d is:
In the d-1 step, the toaster internal temperature rate of change of surveying and the reference change rate of this toaster internal temperature are compared; And
D-2 goes on foot, and determines the quantity of bread.
CNB038237725A 2002-09-03 2003-09-03 Combined toaster and microwave oven and control method thereof Expired - Fee Related CN100527906C (en)

Applications Claiming Priority (5)

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KR1020020052855A KR20040021258A (en) 2002-09-03 2002-09-03 Microwave oven having toaster function and method for controlling the same
KR1020020052855 2002-09-03
KR1020020084518 2002-12-26
KR1020020086533 2002-12-30
KR1020030005811 2003-01-29

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CN102508507A (en) * 2011-12-30 2012-06-20 晶辉科技(深圳)有限公司 Control method for sliced bread toasting time memory of toaster
CN102860761A (en) * 2012-10-19 2013-01-09 上海景力厨房设备科技有限公司 Energy-saving and efficient baking device
CN103654453B (en) * 2013-11-21 2019-04-12 东莞市海新金属科技有限公司 Oven safety control protection system and oven with same
CN103646172B (en) * 2013-12-04 2018-06-26 浙江绍兴苏泊尔生活电器有限公司 Cooking guiding method and device based on historical cooking information
CN106580109A (en) * 2016-12-20 2017-04-26 广州临广电气机械有限公司 Intermittent heating method for coffee brewing

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KR970047211A (en) * 1995-12-27 1997-07-26 배순훈 Microwave high temperature warning device and warning method
KR980010152A (en) * 1996-07-13 1998-04-30 김광호 Overheat safety control method of microwave oven
KR19980048980U (en) * 1996-12-30 1998-10-07 배순훈 Microwave high temperature alarm
KR100199140B1 (en) * 1997-06-30 1999-06-15 전주범 Controlling method in accordance with temperature of chamber for microwave oven
KR20000009334A (en) * 1998-07-23 2000-02-15 윤종용 Microwave oven and method for controlling the same
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