Summary of the invention
For solving the problems referred to above, it is an object of the invention to provide a kind of heat-preserving toaster and control method thereof.
The present invention solves its problem and be the technical scheme is that a kind of heat-preserving toaster, including shell, on described shell
Being provided with for placing the heating chamber treating toast bread, described heating intracavity is provided with the heater for toasting bread, described heating
Device includes the primary heater for toasting bread and for toasting the secondary heater of bread and insulation, also includes for controlling
The control circuit of toaster heated condition, described control circuit includes control chip and for controlling the electricity of primary heater break-make
Son switch, described electrical switch is connected with control chip, and when the pattern of baking, primary heater, secondary heater work simultaneously,
When holding mode, control chip disconnects primary heater by electrical switch, and secondary heater is incubated.
Further, described electrical switch is the relay being arranged on primary heater power circuit, described relay
Control end to be connected with control chip.
Further, described shell being provided with the button group for controlling toaster duty, described button group includes
Multiple buttons being connected with control chip.
Further, described button group includes the insulation button entering holding mode for controlling toaster, and described insulation is pressed
Key is connected with control chip, and at the end of baking pattern, described control chip detects that insulation button is pressed, and passes through electrical switch
Disconnect primary heater, enter holding mode.
Further, described button group includes the defrosting button entering defrosting pattern for controlling toaster, and described defrosting is pressed
Key is connected with control chip, and before entering baking pattern, control chip detects that defrosting button is pressed, then enter defrosting pattern,
Beforehand through primary heater, secondary heater, bread is thawed before baking.
Further, the button in described button group is in series with the LED display lamp for display button state, when button is pressed
Time lower, the energising conducting of LED display lamp.The present invention often clicks button, corresponding LED display lamp will bright once, so use
Person can directly judge that the operation of oneself is the most successful, greatly reduces the probability of maloperation, improves the subjectivity of user
Experience.
Further, described control circuit includes the swept resistance for regulating baking time, described swept resistance and control
Chip connects, and described shell is additionally provided with the knob for regulating swept resistance resistance size, and described control chip is according to reading
To the voltage of swept resistance regulate the baking time of heater.The present invention regulates the resistance of swept resistance by knob,
The voltage of swept resistance sliding end changes along with the change in resistance of swept resistance, and control chip slides by measuring swept resistance
The voltage of end determines the heat time heating time how long arranged.This mechanism of the present invention not only can according to the kind of heating bread not
With, corresponding heat time heating time is set so that the cured effect of bread is more preferable, and there is control and precisely, easily realize and become
This cheap advantage.
Further, described shell is additionally provided with control primary heater, the pole type switch of secondary heater energising work,
Be additionally provided with in described shell and suppress mechanism for control that bread enters and eject heating chamber, described pole type switch with suppress machine
Structure links, and described control circuit also includes for making pole type switch be maintained at the electric magnet of stitching state, described electric magnet and control
Coremaking sheet connects, and when pole type switch is pressed, linkage is suppressed and pressed under mechanism, makes bread enter heating intracavity, at this moment the first heating
Device, secondary heater energising work, control chip controls electric magnet energising and holds pole type switch, keeps suppressing pressing under mechanism, open
Open baking pattern;Open holding mode time, when insulation terminate when, control chip control electric magnet power-off, pole type switch and
Suppress reset, make bread eject;When being not turned on holding mode, when baking terminates when, control chip controls electromagnetism
Ferrum power-off, pole type switch and suppress reset, make bread eject.
Further, described primary heater and secondary heater are the most respectively arranged on heating intracavity.The present invention is so
Setting can ensure that no matter bread is that its all ratio that is heated is more uniform, can be prevented effectively from because of face in heating or insulating process
Wrap uneven and cooked-on situation of being heated.
Further, enclosure is provided with the mu balanced circuit for stabilization control circuit running voltage, described mu balanced circuit
It is connected with control chip.The mu balanced circuit that the present invention is arranged can be effectively ensured stablizing of product work voltage, improves product
Security reliability.
Further, enclosure is provided with the buzzer for sending prompt tone, and described buzzer is connected with control chip.
Whenever operation control button and bread baked after, Mel device all can send corresponding prompt tone, accordingly even when user is not seen
Display lamp, it is also possible to know the duty of toaster so that this product is more convenient.
Further, shell is provided with the display screen for showing toaster duty, and display screen is provided with backlight, institute
State display screen to be connected with control chip.The setting of display screen of the present invention makes the duty of this product and various running parameter more
Add directly perceived, further facilitated the user control to this product.
Further, shell is provided with the cancellation button for stopping toaster work, described cancellation button and control chip
Connect.The cancellation button of this product can stop all of work at once, so can be user Iterim Change idea or behaviour
When slipping up, there is certain remedial measure, fully demonstrated the hommization of this product.
Further, the running voltage of toaster is at below 390V.
The control method of a kind of heat-preserving toaster, comprises the following steps:
Step A: bread is toasted by control circuit by primary heater and secondary heater;
Step B: control circuit disconnects primary heater, is incubated bread by secondary heater;
Step C: electric magnet disconnects, pole type switch is upspring, and is upspring by bread from heating chamber.
Further, further comprising the steps of before step A:
Step D: whether detection defrosting button is pressed, is then to perform step E, otherwise performs step A;
Step E: enter defrosting pattern, thaw bread beforehand through primary heater, secondary heater before baking, solves
Step A is performed again after having frozen.
Further, step A comprises the following steps:
Step A1: set baking time T1 according to the voltage that control chip reads from swept resistance, perform step A2.
Step A2: heated by primary heater and secondary heater, is opened baking pattern and starts timing, performs
Step A3;
Step A3: whether detection baking time reaches T1, is then to perform step B, otherwise performs step A4;
Step A4: after time delay T2, performs step A3.
Further, step B comprises the following steps:
Step B1: whether detection insulation button is pressed, is then to perform step B2, otherwise performs step C;
Step B2: disconnect primary heater by electrical switch, is only heated by secondary heater, opens holding mode also
Trigger;
Step B3: whether detection reaches T3 time delay, is then to perform step C, otherwise performs step B4;
Step B4: time delay T4, perform step B3.
Further, drop power supply while of the when of bread being upspring from heating chamber in step C.
Further, if detecting in above-mentioned flow process, cancellation button is pressed, then interrupt the flow process that is carrying out and perform
Step C walks, drop power supply while of the when of being upspring from heating chamber by bread in rapid C.
The invention has the beneficial effects as follows: the present invention is a kind of heat-preserving toaster and control method thereof, and the present invention is by controlling
Chip controls the work of primary heater and secondary heater, and during heating, primary heater works together with secondary heater,
Disconnect primary heater by relay during insulation, use secondary heater to be incubated, not only high insulating effect, and can be effective
Avoid external interference, control precisely, it is to avoid the situation that bread is cooked-on.
Detailed description of the invention
Fig. 1 is the structure chart of the present invention, and Fig. 2 is the circuit diagram of the present invention, as depicted in figs. 1 and 2, and the many scholars of a kind of insulation
Stove, including shell 1, described shell 1 is provided with and treats the heating chamber 3 of toast bread for placing, be provided with in described heating chamber 3 for
The heater of baking bread, described heater includes the primary heater 4 for toasting bread and for toasting bread and insulation
Secondary heater 5, also include the control circuit for controlling toaster heated condition, described control circuit includes control chip
2 and for controlling the electrical switch of primary heater 4 break-make, described electrical switch is connected with control chip 2, in the pattern of baking
Time, primary heater 4, secondary heater 5 work simultaneously, and when holding mode, control chip 2 disconnects first by electrical switch
Heater 4, secondary heater 5 is incubated.The electrical switch of the present invention is to be arranged at continuing on primary heater 4 power circuit
Electrical equipment 6, the control end of described relay 6 is connected with control chip 2.It is provided with for controlling toaster on the shell 1 of the present invention
The button group of duty, described button group includes multiple button being connected with control chip 2.The button group of the present invention includes using
Enter the insulation button 7 of holding mode in control toaster, described insulation button 7 is connected with control chip 2, and baking pattern terminates
Time, described control chip 2 detects that insulation button 7 is pressed, disconnects primary heater 4 by electrical switch, enters insulation mould
Formula.
Fig. 1 is the structure chart of the present invention, and Fig. 2 is the circuit diagram of the present invention, as depicted in figs. 1 and 2, and the button group of the present invention
Including the defrosting button 18 for controlling toaster entrance defrosting pattern, described defrosting button 18 is connected with control chip 2, enters
Before baking pattern, control chip 2 detects that defrosting button 18 is pressed, then enter defrosting pattern, beforehand through the before baking
Bread is thawed by one heater 4, secondary heater 5.Button in the button group of the present invention is in series with for display button
The LED display lamp 8 of state, when the button is pressed, LED display lamp 8 energising conducting.The present invention often clicks button, accordingly
LED display lamp 8 will bright once, such user can directly judge the operation whether success of oneself, greatly reduces behaviour by mistake
The probability made, improves the subjective experience of user.The control circuit of the present invention includes the slip for regulating baking time
Resistance 10, described swept resistance 10 is connected with control chip 2, and described shell 1 is additionally provided with for regulating swept resistance 10 resistance
The knob 9 of size, described control chip 2 regulates the baking time of heater according to the voltage of the swept resistance 10 read.
The present invention regulates the resistance of swept resistance 10 by knob 9, and the voltage of swept resistance 10 sliding end is along with swept resistance 10
Change in resistance and change, during the heating how long control chip 2 is arranged by measuring the voltage of swept resistance 10 sliding end to determine
Between.This mechanism of the present invention not only can be different according to the kind of heating bread, arrange corresponding heat time heating time so that bread
Cured effect more preferable, and have and control precisely, easily realize and advantage with low cost.
Fig. 1 is the structure chart of the present invention, and Fig. 2 is the circuit diagram of the present invention, as depicted in figs. 1 and 2, and the shell 1 of the present invention
On be additionally provided with control primary heater 4, secondary heater 5 and be energized in the pole type switch 11 of work, described shell 1 and be additionally provided with
Enter and eject the mechanism of suppressing in heating chamber 3 for controlling bread, described pole type switch 11 links with suppressing mechanism, described control
Circuit also includes that described electric magnet 12 is with control chip 2 even for making pole type switch 11 be maintained at the electric magnet 12 of stitching state
Connecing, when pole type switch 11 is pressed, linkage is suppressed and is pressed under mechanism, makes bread enter in heating chamber 3, at this moment primary heater 4, the
Two heaters 5 are energized work, and control chip 2 controls electric magnet 12 energising and holds pole type switch 11, keeps suppressing pressing under mechanism, opens
Open baking pattern;When opening holding mode, when insulation terminates when, control chip 2 controls electric magnet 12 power-off, pole type switch
11 and suppress reset, make bread eject;When being not turned on holding mode, when baking terminates when, control chip 2 is controlled
Electric magnet 12 processed power-off, pole type switch 11 and suppress reset, make bread eject.
Fig. 1 is the structure chart of the present invention, and Fig. 2 is the circuit diagram of the present invention, and as depicted in figs. 1 and 2, the first of the present invention adds
Hot device 4 and secondary heater 5 are the most respectively arranged in heating chamber 3.The present invention so arranges and can ensure that no matter bread be
In heating or insulating process, its all ratio that is heated is more uniform, can be prevented effectively from because bread is heated uneven and cooked-on feelings
Condition.The shell 1 of the present invention is internally provided with the mu balanced circuit 13 for stabilization control circuit running voltage, described mu balanced circuit 13
It is connected with control chip 2.The mu balanced circuit 13 that the present invention is arranged can be effectively ensured stablizing of product work voltage, improves product
Security reliability.The shell 1 of the present invention is internally provided with the buzzer 14 for sending prompt tone, described buzzer 14 and control
Coremaking sheet 2 connects.Whenever operation control button and bread baked after, Mel device all can send corresponding prompt tone, is so
User is made not see display lamp, it is also possible to know the duty of toaster so that this product is more convenient.The present invention's
Shell 1 is provided with the display screen 16 for showing toaster duty, and display screen 16 is provided with backlight 17, described display screen
16 are connected with control chip 2.The setting of display screen 16 of the present invention makes the duty of this product and various running parameter more
Intuitively, the user control to this product has been further facilitated.The shell 1 of the present invention is provided with for stopping toaster work
Cancelling button 15, described cancellation button 15 is connected with control chip 2.The cancellation button 15 of this product can stop all of at once
Work, so can have certain remedial measure when user Iterim Change idea or operational error, has fully demonstrated this product
The hommization of product.The running voltage of toaster is at below 390V.
Fig. 3 is the control flow chart of the present invention, as it is shown on figure 3, the control method of a kind of heat-preserving toaster, including following step
Rapid:
Step S1: whether detection defrosting button 18 is pressed, is then to perform step S2, otherwise performs step S3;
Step S2: enter defrosting pattern, beforehand through primary heater 4, secondary heater 5, bread is solved before baking
Freeze, after having thawed, perform step S3 again;
Step S3: set baking time T1 according to the voltage that control chip 2 reads from swept resistance 10, perform step S4;
Step S4: heated by primary heater 4 and secondary heater 5, is opened baking pattern and starts timing, performing step
Rapid S5;
Step S5: whether detection baking time reaches T1, is then to perform step S7, otherwise performs step S6;
Step S6: after time delay T2, performs step A5;
Step S7: whether detection insulation button 7 is pressed, is then to perform step S8, otherwise performs step S9;
Step S8: disconnect primary heater 4 by electrical switch, is only heated by secondary heater 5, opens holding mode
And trigger, perform step S9;
Step S9: whether detection delay time reaches T3, is then to perform step S11, otherwise performs step S10;
Step S10: time delay T4, performs step S9;
Step S11: electric magnet disconnects 12, and pole type switch 11 is upspring, upsprings bread from heating chamber 3.
Specifically, if detecting in above-mentioned flow process, cancellation button 15 is pressed, then interrupt the flow process that is carrying out also
Perform step S11, drop power supply while of the when of being upspring from heating chamber 3 by bread in step S11.Pole type switch 11 is pressed
The when of lower, bread enters heating chamber 3, and the when that pole type switch 11 being upspring, bread ejects from heating chamber 3, and bread ejects
Time buzzer 14 sound three sound.
The above, simply presently preferred embodiments of the present invention, the invention is not limited in above-mentioned embodiment, as long as
It reaches the technique effect of the present invention with identical means, all should belong to protection scope of the present invention.