CN105708351A - Toaster with temperature control - Google Patents
Toaster with temperature control Download PDFInfo
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- CN105708351A CN105708351A CN201510977693.4A CN201510977693A CN105708351A CN 105708351 A CN105708351 A CN 105708351A CN 201510977693 A CN201510977693 A CN 201510977693A CN 105708351 A CN105708351 A CN 105708351A
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J37/00—Baking; Roasting; Grilling; Frying
- A47J37/06—Roasters; Grills; Sandwich grills
- A47J37/08—Bread-toasters
- A47J37/0814—Bread-toasters with automatic bread ejection or timing means
- A47J37/0835—Bread-toasters with automatic bread ejection or timing means with thermal timers
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- Baking, Grill, Roasting (AREA)
Abstract
Provided is a toaster with temperature control. The toaster comprises a body having at least one opening into a toasting slot, a carriage located within the toasting slot for holding a food item to be toasted and movable between a raised position and a lowered position, a plurality of heating elements located within the body for toasting the food item when in the lowered position, at least one temperature sensor for sensing the temperature within the toasting slot, a user interface for enabling a food-type selection of one of at least two different food items, and a controller for controlling the operation of the toaster. The controller is responsive to the food-type selection at the user interface and to the sensed temperature, and is configured to determine an end temperature associated with the food item being in a toasted state, the calculated end temperature being dependent on an initial sensed temperature, wherein the controller is arranged to de-energise the heating elements in response to the sensed temperature reaching the determined end temperature.
Description
Technical field
Present disclosure relates to a kind of baking box for toasting food, and more particularly, to having thermometric baking box.
Background technology
Baking box (toaster) is the well-known kitchen utensils for toasting food, and this food is generally rusk or other baking goodses, and it is yellow, golden or brown that this baking goods is heated until the outer surface of these goods.
Depend on being placed the type needs of bread in an oven different add heat.In conventional oven, user must adjust baking cycle to realize desired baking level.Generally, this is by changing intervalometer or completing by starting multiple baking cycle.But, this is usually by having guessed, and toast bread is often under-done or is burnt.
The part quoting the known general knowledge being not an admission that or implying that the prior art formed in any jurisdiction to any prior art in description, neither admit or imply that the prior art can reasonably expect that and be readily appreciated by one skilled in the art, be considered as relevant and/or combine with other prior aries.
Summary of the invention
According to the first aspect of the invention, it is provided that a kind of baking box, including:
Body, it has at least one opening leading to baking groove；
Support, it is positioned at baking groove, for keeping the food item being baked and can move between the raised and lowered positions；
Multiple heating element heaters, it is located within the body, for food item being toasted when food item is positioned at and dips；
At least one temperature sensor, for sensing the temperature in baking groove；
User interface, is used for making it possible to one of at least two difference food item is carried out food type selection；
Controller, for controlling the operation of baking box, controller selects in response to the food type at user interface place, and in response to the temperature sensed, and the exit temperature that the food item being configured to determine be in baking state is associated, computed exit temperature depends on initially sensing temperature；
Wherein, controller is arranged to reach determined exit temperature to the disconnected energy of heating element heater in response to the temperature sensed.
According to another aspect of the invention, it is provided that a kind of method that food item in baking box is toasted, including:
A) initial temperature in baking box is measured；
B) determining the exit temperature set point being associated with the food item being in baking state, exit temperature set point depends on initial temperature；
C) to one or more heating element heater energy supply of baking box so that food item is heated；And
If the measured temperature d) in baking box reaches exit temperature set point, then to the disconnected energy of this one or more heating element heater.
As used herein, unless context otherwise requirement, otherwise the various changes of term " including (comprise) " and this term such as " including (comprising) ", " including (comprises) " and " being included (comprised) " are not intended to the other additament of eliminating, parts, integer or step.
According to by means of example and the as explained below that is given with reference to the accompanying drawings, the other embodiment of the aspect described in the other aspect of the present invention and earlier paragraphs will become apparent from.
Accompanying drawing explanation
Figure 1A is the perspective view with the baking box controlling bar that user activates.
Figure 1B is the perspective view of the baking box of electromechanical actuation.
Fig. 2 is the schematic circuit diagram of the baking box with temperature sensor.
Fig. 3 is the cutting side view along B-B of the baking box of Figure 1A or Figure 1B.
Fig. 4 is the baking box excision end-view along A-A
Fig. 5 A is the functional block diagram of the baking box of Figure 1A.
Fig. 5 B is the functional block diagram of the baking box of the electromechanical actuation of Figure 1B.
Fig. 6 is the flow chart of the method preparing automatic ready baking grade.
Fig. 7 is the example of the relation between the initial temperature used in the method for figure 6 and target final temperature.
Detailed description of the invention
Figure 1A illustrates the baking box 100 with the body limiting the first cavity and the second cavity, and the first cavity and the second cavity are shown as receiving the first baking groove 102 and the second baking groove 104 drying barbi.Food can be any suitable goods, is generally baking goods such as bread.Body limits substrate 106, sidewall 108 and upper surface 110, and in upper surface 110, opening provides food to enter the passage of baking groove 102 and 104.In first baking groove 102 and the second baking groove 104, each being configured to receives rusk.Alternately, the size of each cavity can be configured to receive two panels bread adjacent one another are.
Baking each of groove 102 and 104 has the control bar being associated, and namely in the groove in end wall 109, the first control bar 112 and second of movement controls bar 114.Control pole pair lays respectively at the first support in cavity 102 and 104 and the second support (not shown) is operated.Each support is configured to receive and keep food for baking, and the operation that can pass through to control bar 112 and 114 is moved between the raised and lowered positions, in raised position, the food kept by support extends at least partly into above the upper surface 110 of baking box 100 to allow easily to remove food, in dipping, food is positioned in cavity 102,104 for baking.
Support is generally such as offset to raised position by spring by (either directly or indirectly).In use, user presses control one of bar 112,114 or both are to move the support being associated to dipping and starting baking.Support can pass through the securing member of fixing device such as solenoid control and be held in place within the persistent period of baking period.After baking period expiration, securing member discharges support, and support springs back to raised position.In other are arranged, baking box includes the lifting member (not shown) that can vertically move.Spring offsets up the securing member of lifting member and the control of fixing device such as solenoid and is operable to catch lifting member when lifting member is positioned at and dips and resists the skew of spring.Propping up is placed in lifting member so that when lifting member is trapped in and dips, support is dropped to by gravity and dips.When release fasteners, the lifting member offset by spring is by corresponding support lift to raised position.
In order to start baking, user can press one of control bar 112,114 and engage lifting member to dipping for securing member support and corresponding lifting member to be moved.This makes support can be placed in and dip during the baking period.Once baking period expiration, securing member is released so that the lifting member offset by spring is moved up, and makes support move to raised position.Being placed in lifting member owing to propping up, during the baking period, user can operate control bar support to be temporarily increased to raised position to check toast bread when without departing from securing member or interruption baking cycle.
Baking box can be provided with visual indicia 115 to indicate the information about baking cycle or the information about the input selected by user.In some are arranged, this information can be present in display such as liquid crystal display.
In other are arranged, baking box 100 can have the single control bar that the support being associated with baking both grooves 102,104 is operated.Alternately, a main control bar can activate two control bars.
Baking box also has user and inputs 113.In the illustrated example, there is the button being associated with display.User can use this button switch in different options and select desired option.Described in greater detail below, customer-furnished input can arrange relevant with the type of the bread being placed in an oven and baking box grade, and baking box grade arranges the baking grade that instruction is selected by user, for instance " golden brown ".Furthermore it is possible to give the following option of user: the instruction bread being placed in an oven is freezing." cancellation " option can also be provided the user with to terminate baking cycle.
Baking box can also have audio frequency export such as buzzer, for instance with when toast bread completes to user's alarm.
Present disclosure further relates to the baking box 151 of electromechanical actuation as shown in Figure 1B.The baking box 151 of electromechanical actuation includes for receive will by the baking groove 152 of the food of heating element heats and baking groove 154.Or can reduce at baking groove 152 and foodstuff is toasted being increased at least partially outside baking groove in groove 154 or by food by being raised by one or more support of motor activated.The controller that can include printed circuit board (PCB) (PCB) receives inputting and providing the output affecting motor and heating element heater from user interface 157.For operation of oven 151, user operation user interface 157, user interface 157 makes controller reduce support during baking cycle and heat heating element heater.When baking cycle terminates, by motor lifting bracket so that food can be removed.
During baking cycle, user can manipulation check feature.User interface 157 can include checking input 159, checks that input 159 is made controller lifting bracket when operating during baking cycle.It is then possible to checked by user rise at least in part baking groove outside toast bread.If user is satisfied to the state of food, then food can be removed from baking box 151.Alternatively, if the user determine that need heating further, then user manipulation check can input 159 again, makes controller reduce support to continue baking cycle.
In another is arranged, user interface 157 includes and checks that input 159 is different and continue with 161.For manipulation check feature, first user manipulation check can input 159 to make controller lifting bracket during baking cycle.If the user determine that need heating further, then user operation continues with 161, continues with 161 and makes controller reduce support and continue baking cycle.
In some are arranged, when support is elevated during checking feature, the output of controller guarantees that heating element heater is turned off.
Shown example each has two baking grooves.In other are arranged, baking box can have different number of cavity.Such as, other layouts include four parallel baking boxs and four in line (inline) baking boxs.The center guide 305 being used for that food is placed in the corresponding center toasting groove is there is in each cavity.Along with the support of carrying food moves to dipping, the center guide 305 on the opposite side of each baking groove moves toward each other, and therefore food be placed in the center of respective cavities.Center guide 305 includes the wire frame being positioned in the opposing sidewalls of respective cavities.A pair center guide in the opposite wall of baking groove can towards each other inwardly pivot to will be located in the food centering between guiding.When carriage assembly raises, center guide 305 is moved away from each other so that taking out food.
With reference to Fig. 2, the first heating assembly 116 and the second heating assembly 118 are associated with the first baking groove 102 and the second baking groove 104 (or 152 and 154) respectively.These heating assemblies 116 and 118 are located at or contiguous walls that cavity 102 and cavity 104 are defined and can be started with heating cavity 102 and cavity 104, the food therefore received in heating and baking cavity.Heating assembly can be mounted in the resistance winding on mica sheet or be the resistance winding without mica sheet alternatively.In other are arranged, heating element heater 116 and heating element heater 118 can include halogen heating element heater, ceramic heating element or printing heating element heater.
Temperature sensor 140 is positioned at the instruction of the inside of baking box 100 and baking box 151 heating-up temperature to provide food experienced.Temperature signal 142 measured by temperature sensor is provided to controller 128.As described in more detail below, baking cycle depends on measured temperature.
In arranging at one, temperature sensor 140 is NTC themistor.The resistance of thermal resistor depends on that temperature changes.In other are arranged, it is possible to there is multiple temperature sensor, for instance each temperature sensor is associated with corresponding baking groove.
In baking box 100, first control bar 112 with first heating assembly 116 is associated so that when user press control bar 112 with the first support is moved dip to it time, start first heat component switches 120.Such as when reach control bar 112 can connect or close a pair catalyst when dipping.This opens the first heating assembly 116.Similarly, the second control bar 114 is associated with the second heating assembly 118 so that press control bar 114, to be moved by the second support to its starting the second heating component switches 122 that dips, is opened second and heated assembly 118.Heating assembly 116 and heating assembly 118 is opened with power supply when assembly is connected by respective switch 120 and switch 122 usually by attaching plug.Power supply is represented in fig. 2 by active line 124 and the neutral conductor 126.
The operation of baking box is controlled by controller 128.It can be the microcontroller or any other device that provide necessary logic circuit for baking box Circuits System.Controller 128 receives the signal that instruction baking cycle should start.Such as, this is controlling bar 112 and is controlling bar 114 and be lowered or occur when electromechanical actuation support in baking box 151 is reduced to baking position.Controller 128 carries out data communication with switch 120,122 so that when baking cycle terminates, controller 128 can make switch 120,122 disconnect, and terminates the power supply to heating assembly 116,118.
Baking box can have the bagel pattern for toasting bagel or Crumpet.In bagel pattern, heating occurs over just the side of baking groove.Relay can be used the backhaul bypass of heating assembly 116,118.When have selected bagel pattern, side energy supply to heating chamber 102,104 during baking cycle, and heat the opposite side of chamber by the energy that breaks.
Fig. 3 is the excision schematic diagram that the section B-B along Figure 1B is observed from the inside of elongate slots 102 towards the side 108 of baking box.A part for center guide 305 is visible, and including five vertical bars, it forms a kind of retainer in use pressing toast bread towards the center of cavity 102.After center guide 305, a part for heating assembly 116 is visible.Rectangle mica sheet 305 contiguous baking groove 102 is positioned.Roundabout electric winding 301 is positioned at the side near cavity 102 of mica sheet 303.In use, electricity winding 301 provides resistance, and this resistance produces heat when a current is applied.
In the embodiment shown, temperature sensor 140 is approximate is centrally located in mica sheet 303.Sensor is accommodated in the earthenware 401 sensor 140 and heating element heater 301 shielded.Other heatshield materials can also be used.
The excision end-view of the Fig. 4 observed from inside to end wall such as 109 along section A-A also show the position of temperature sensor.Temperature sensor 140 is comprised in the pipe 401 being made up of heatshield material such as pottery, and pipe 401 is protrude into the inside of cavity 102 by the hole in mica sheet 303.In alternative arrangement, sensor 140 does not project through mica sheet 303, but recessed after mica sheet 303.In this arrangement, owing to mica sheet 303 provides the shielding from heating element heater 301, it is possible to need not shielded-plate tube 401.The temperature of the inside of cavity 102 monitored by sensor by the aperture in mica sheet.
This view also show the configuration of center guide 305, and center guide 305 is configured to be kept at by toast bread in baking groove 102 and baking groove 104.
In shown layout, the mica sheet 320 at the baking box center between cavity 102 and cavity 104 has the electric winding on mica sheet 320 both sides to produce the heat for two cavitys.
Fig. 5 A is the functional block diagram using manual control lever to move the baking box 100 seen in baking box such as Figure 1A of toast bread.This baking box includes the main printed circuit board 501 comprising power circuit and controller 128.PCB501 communicates with heating element heater 116,118, and also communicates with temperature sensor 140.
Functional device 503 represents and is configured to receive from the various inputs of user and also provides for the user interface of output information.Input allows a user to select that baking box grade is arranged.This allows users to the degree specifying toast bread to be baked.Such as, baking box grade can be " gently baking " or " golden brown ".
Another user input allows a user to select the type of the bread being placed in baking box.This is because different types of bread needs different to add heat to realize desired baking level.
Another user input allows users to specify the bread of oven for baking to be freezing.In this case, it is necessary to extra heating.
User interface also includes " cancellation " input allowing users to terminate baking cycle.
Existence can realize some modes of user interface.For specifying input each can there is independent input.It is, for example possible to use different input equipment inputs baking box grade arranges the selection of dough-making powder Packet type.In one example, user can rotate the graduated disc with the pointer indicating one of some selections.Baking box can have the independent button for each bread type.Alternatively, it is possible to present option is shown over the display, and user can start toggle switch to move between option.In another is arranged, user interface can include allowing users to by contacting the touch screen that desired option makes a choice.Can provide about the current feedback selected via LCD display.Alternatively or in combination, it is possible to by lighting the LED with text or the figure being associated, feedback is provided to user.Such as, LED can indicate that and have selected palm fibre bread, or LED can indicate that have selected " golden brown " is arranged.
Independent input can be set to, thus be prone to location when user wishes to terminate baking cycle by cancelling input.User's output can include one or more LED, one or more liquid crystal display (LCD) and audio frequency and export such as buzzer.Buzzer can such as indicate toast bread to complete.PCB501 also communicates with the functional device 505 specifying the support sensing mechanism for support and lock/release mechanism.As mentioned above, lock/release mechanism can include the securing member of solenoid controlled.Therefore, when baking cycle terminates, PCB can interrupt the electric power to securing member.Therefore, securing member discharges support or lifting member, and support recoils to its raised position.
Fig. 5 B illustrates the functional block diagram of all electromechanical actuation baking boxs as shown in Figure 1B.Functional configuration 550 is similar to seen functional configuration in fig. 5.Difference is in that: support is raised by support motor 555 and reduces, and rather than relies on support sensing and lock/release mechanism 505.
PCB551 communicates with temperature sensor 140 and heating element heater 116,118.User interface 553 include previously for user interface 503 describe functional.In addition, it is necessary to other input enables a user to actuating motor, support is made to be moved downward to baking position.
Fig. 6 illustrates the flow chart 600 of the method using the above-mentioned baking box automatic ready baking grade of preparation.The method is from the stage 601, in the stage 601, powers up to baking box and prepares to receive input.In process 603, user's input to be placed in the type of the bread of oven for baking.In step 605, controller 128 checks whether user has specified white bread.If user does not specify white bread, then controller checks whether user has inputted palm fibre bread in step 607.If user does not input palm fibre bread, then check whether user has inputted black bread in step 609 middle controller.If user does not input black bread, then controller checks whether user has inputted bread.Without any one (such as, the no output of step 611) of selecting in available options, then controller is back to ready mode 601.The different options of bread type can be presented in a different order.It addition, the other option of bread type may be added to the option list shown in Fig. 6 or removes from the option list shown in Fig. 6.
Once have selected for bread type (step 605, any one step in 607,609,611 be option), then process flow carries out to step 613.At this, the algorithm of selected bread type distribution had previously been given in controller retrieval.As described below, selected algorithm determines final temperature set-point, and this final temperature set-point is depended on:
Selected bread type；
Specified baking box grade is arranged；And
The initial temperature measured in elongated chamber (such as, 102,104).
Step 615 allows users to specify desired baking grade.The example of Fig. 6 illustrates the step 615 after bread type selecting.Order can overturn.As an alternative, it is possible to scanning two selects 603,615 concurrently.
If have selected bread type in process 603 and have input baking box grade in process 615, then process flow continues to 617, and in step 617, controller checks whether user has begun to baking cycle.When having the baking box of manual control lever, this information is provided to PCB501 from support sensing mechanism 505.When baking box 550 of electromechanical actuation, it is possible to provide this information from support motor 555 or press startupoptions by detecting user from user interface 553 and this information is provided.
If user does not start baking cycle (the no option of step 617), then process flow is back to ready mode 601.If user has started baking cycle, then in process 619, controller 128 uses temperature sensor 140 to record the temperature of toaster case.In step 621, by measured thermograph to the algorithm selected by bread type and baking grade distribution.Algorithm specifies final temperature set-point.
In step 623, as controller 128 monitor, by heating element heater 116,118, heat is provided to baking vessel.
In process 625, whether controller inquiry has started cancel button.Without starting cancel button, then process flow continues to 627.If having started cancel button (step 625 is option), then process flow carries out to step 629 to terminate baking cycle.
In process 627, controller monitors the temperature in the baking vessel as measured by temperature sensor 140.If not yet reaching the final set-point specified by algorithm, then in step 623, continue baking.If having reached final temperature, then process flow continues to 629.With stopping, baking vessel can be heated heating element heater 116,118 is disconnected.Furthermore it is possible to lifting support enables a user to obtain toast bread.Can by lock/release mechanism 505 or by start support motor 555 carry out aforesaid operations.Once baking cycle terminates or is cancelled, process flow is back to ready mode 601.
Fig. 7 presents the curve chart of the algorithm of the final temperature set-point in the algorithm illustrating the method for being determined for 600.Shown example is for white bread, wherein, has selected for " golden yellow " and arranges.
X-axis in Fig. 7 illustrate by degree Celsius in units of input temp.This represents such as the measurement temperature in baking cycle beginning measured in the step 619 of method 600.
The y-axis of Fig. 7 is required final temperature set-point.
Relation shown in Fig. 7 obtains by repeating experiment, and in this experiment, white bread is baked to golden brown level.Start experiment is repeated with the different initial temperatures in baking box.During being baked to desired terminal stage, temperature profile is monitored, and record the final temperature of baking vessel.Fig. 7 illustrates the experimental result of a series of test and the linear fit to result.
Experiment is repeated for each different types of bread and for each baking grade.In a number of ways algorithm can be stored in controller 128.For example, it is possible to storage equation, enabling calculate final temperature set-point based on measured initial temperature.As an alternative, it is possible to result is stored as look-up table.
Describing in the functional device 503 of Fig. 5 A and Fig. 5 B and functional device 553 as above and respectively, it is freezing option that the user interface of the baking box of present embodiment can have for user's bread of placing in an oven of instruction or food.In alternative embodiment, user interface can also include for user's instruction except common baking and the option from the other function setting except the baking of freezing setting.These additional functions of baking box arrange to include but not limited to reheat and arrange and grade+setting.
When user wishes to reheat the bread or the food that are baked and allow to cool off, it is possible to select to reheat setting.When user wishes to time just to reach next baking box rating fraction setting (B0-, B0, B0+, B1-, B1, B1+ etc.), bread or food rebake can be selected grade+setting.Such as, if user specified baking box grade previously to initial baking cycle and arranged B1 and then have selected grade+setting after completing this initial baking cycle, then then toasted bread or food arrange B1+ by experiencing other baking cycle to reach baking box grade.Grade+setting may be configured so that only this grade+arrange and just work when selecting grade+arrange in 30 seconds that user such as completes in the predetermined amount of time that initial baking cycle completes, if and/or the temperature in measured elongated chamber is in the temperature range specified, such as measured temperature is higher than the 80% of the target temperature of initial baking cycle, this grade+arrange and just work.
The baking box including the setting of these additional functions is used to prepare the method that the method according to the automatic ready baking grade of present embodiment is corresponding generally to prior embodiments.Therefore, this alternative method follows the process flow being similar to method that is disclosed above and that describe in the flow chart 600 of Fig. 6, therefore without being repeated in corresponding method step at this.But, except the parameter utilized in the method previously described, the algorithm for determining this alternative method of final temperature set-point additionally depends on additional function and arranges.
As the result of additional algorithm parameter, the process flow of alternative method includes step 603 to the other process flow step between step 615 or the other process flow step parallel with step 603 to step 615.This other process flow step relates to whether inquiry has selected for the setting of one or more additional function.Therefore, step 613 is adapted so that controller retrieval not only give selected bread type and also give described additional function previous allocated algorithm is set.
Similar with the method for previously described embodiment, the initial temperature that the algorithm retrieved is subsequently used in the additional parameter that arranges based on specified baking box grade and measured elongated chamber calculates final temperature set-point.In the controller this algorithm can be stored as the combination of equation, look-up table or even equation and look-up table.
Table 1 below to table 4 can be used for determining the example of the possible look-up table obtaining the target temperature required by baking grade specified.These tables already by begin at from room temperature/ambient temperature the oven for baking standard with particular thermal characteristic and specific mechanical configurations thin rusk (10mm thick) and what sample plot drew.Different bread and food type will have different temperature parameters, have the baking box of different structures and/or thermal characteristics and naturally have different thermal response features and offer has the look-up table of other temperature values.
The common baking of table 1.:
Table 2. reheats baking:
Table 3. grades+baking:
The freezing baking of table 4.:
As it has been described above, generate these example lookup table based on the baking experiment proceeded by from chamber temperature/ambient temperature.Can by baking box shell arrange additional temperature sensor or measure room temperature/ambient temperature when baking box has had been switched off being longer than predetermined amount of time by existing temperature sensor easily.Room temperature/ambient temperature can also be determined: this temperature is by existing sensor measurement, and keeps constant with being longer than predetermined amount of time based on temperature below.As an alternative, room temperature/ambient temperature can correspond to the predetermined temperature that can arrange when manufacturing baking box or the predetermined temperature that can arrange via the input from user.
Further look-up table can be generated based on the experiment proceeded by from other temperature various.As an alternative, the algorithm retrieved can include Adjustable calculation, and this Adjustable calculation can consider the initial temperature from room temperature/ambient temperature deviation.
Such as, if the initial temperature in baking box lower than room temperature/ambient temperature or exceeds less than 1 DEG C than room temperature/ambient temperature, then algorithm can be configured to return the original object temperature determined by look-up table as final goal temperature.But, if the initial temperature in baking box is higher than room temperature/ambient temperature more than 1 DEG C, then algorithm can be configured to calculate final goal temperature based on original object temperature and the additional correction function for considering this deviation.The example of the algorithm including such Adjustable calculation expressed with the form of " if so otherwise " statement includes Equation 1 below, equation 2 and equation 3.
If:
T1-TA>=1 DEG C (equation 1)
So
Otherwise
TF=TO(equation 3)
Wherein:
T1Initial temperature in=measured elongated chamber
TA=room temperature/ambient temperature
TO=(determining according to look-up table) original object temperature
TF=final goal temperature
C=correction factor
Because described method determines completing of baking cycle based on measured temperature rather than time, so advantage is in that: even if when baking box is previously used and causes the different ambient temperature in baking chamber, the method also is able to provide consistent baking grade.
Should be appreciated that disclosed in this description and invention defined extends to that be previously mentioned or according to text or figure significantly two or more independent features all alternative combinations.All these different combinations constitute the various alternative aspects of the present invention.
Claims (13)
1. a baking box, including:
Body, described body has at least one opening leading to baking groove；
Support, described support is positioned at described baking groove, for keeping the food item being baked and can move between the raised and lowered positions；
Multiple heating element heaters, the plurality of heating element heater be positioned at described internal, for described food item being toasted when dipping described in described food item is positioned at；
At least one temperature sensor, at least one temperature sensor described is for sensing the temperature in described baking groove；
User interface, described user interface is used for making it possible to one of at least two difference food item is carried out food type selection；
Controller, described controller is for controlling the operation of described baking box, described controller selects in response to the described food type at described user interface place, and in response to the temperature sensed, and the exit temperature that the described food item being configured to determine be in baking state is associated, computed exit temperature depends on initially sensing temperature；
Wherein, described controller is arranged to reach determined exit temperature to the disconnected energy of described heating element heater in response to the temperature sensed.
2. baking box according to claim 1, wherein, described controller reaches determined exit temperature in response to the temperature sensed makes described support be moved to described raised position.
3. baking box according to claim 1 and 2, wherein, described user interface allows for baking hierarchical selection, described baking hierarchical selection specifies the desired expectation baking degree of baking state, and wherein, described controller selects according to described food type, described baking hierarchical selection and described initial sensing temperature determine described exit temperature.
4. baking box according to claim 1 and 2, wherein, described user interface allows for baking hierarchical selection and additional function arranges selection, described baking hierarchical selection specifies the desired expectation baking degree of baking state, described additional function arranges selection specified value baking setting, freezing baking arranges, reheats one of setting and grade+setting, and wherein, described controller selects according to described food type, described additional function arranges selection, described baking hierarchical selection and described initial sensing temperature determine described exit temperature.
5. according to baking box in any one of the preceding claims wherein, wherein, described food type select to make it possible to select two in following item or more: white bread, palm fibre bread, black bread, bread, Crumpet and bagel.
6. according to baking box in any one of the preceding claims wherein, wherein, based in algorithm or look-up table, at least one determines described exit temperature to described controller.
7. according to baking box in any one of the preceding claims wherein, wherein, described temperature sensor is NTC themistor.
8. according to baking box in any one of the preceding claims wherein, it has bagel pattern, and under described bagel pattern, during toasting, the heating element heater on the side of described baking groove is energized, and the heating element heater on the opposite side of described baking groove is by the energy that breaks.
9. the method food item in baking box toasted, including:
A) initial temperature in described baking box is measured；
B) determining the exit temperature set point being associated with the described food item being in baking state, described exit temperature set point depends on described initial temperature；
C) to one or more heating element heater energy supply of described baking box so that described food item is heated；And
If d) the measured temperature in described baking box reaches described exit temperature set point, then to the disconnected energy of one or more heating element heater.
10. method according to claim 9, including:
The food type being received one of the food item that at least two is different by user interface is selected；And wherein, determine described exit temperature set point for selected food item.
11. the method according to claim 9 or 10, including:
The baking hierarchical selection to one of at least two difference baking state is received by described user interface；And wherein, described exit temperature set point depends on described baking hierarchical selection.
12. the method according to any one of claim 9 to 11, including:
Receive specified value baking setting by described user interface, the freezing additional function arranging, reheating one of setting and grade+setting that toasts arranges selection, and wherein, described exit temperature set point depends on that described additional function arranges selection.
13. the method according to any one of claim 9 to 12, wherein, described food type select to make it possible to select two in following item or more: white bread, palm fibre bread, black bread, bread, Crumpet and bagel.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2014905254A AU2014905254A0 (en) | 2014-12-23 | Toaster with temperature control | |
| AU2014905254 | 2014-12-23 |
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| CN105708351A true CN105708351A (en) | 2016-06-29 |
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| CN201510977693.4A Pending CN105708351A (en) | 2014-12-23 | 2015-12-23 | Toaster with temperature control |
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| AU (1) | AU2015275269B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107638088A (en) * | 2017-11-06 | 2018-01-30 | 东台市新杰科机械有限公司 | A kind of constant temperature bread baker |
| CN108201368A (en) * | 2018-04-25 | 2018-06-26 | 青岛海尔智慧厨房电器有限公司 | Oven control method and oven applying same |
| CN108693900A (en) * | 2018-05-21 | 2018-10-23 | 广东美的厨房电器制造有限公司 | Oven and its temprature control method and control device |
| CN114072029A (en) * | 2019-03-12 | 2022-02-18 | 马蒙食品服务技术公司 | Infrared oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2023502553A (en) * | 2019-07-29 | 2023-01-25 | ジョンソン ジュリアン | System and method for heating food |
| WO2022256424A1 (en) * | 2021-06-02 | 2022-12-08 | Spectrum Brands, Inc. | Precision control for heating appliance |
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Also Published As
| Publication number | Publication date |
|---|---|
| AU2015275269B2 (en) | 2020-02-27 |
| AU2015275269A1 (en) | 2016-07-07 |
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