CN109077625A - Automatic bread baking machine - Google Patents
Automatic bread baking machine Download PDFInfo
- Publication number
- CN109077625A CN109077625A CN201810593688.7A CN201810593688A CN109077625A CN 109077625 A CN109077625 A CN 109077625A CN 201810593688 A CN201810593688 A CN 201810593688A CN 109077625 A CN109077625 A CN 109077625A
- Authority
- CN
- China
- Prior art keywords
- motor
- control unit
- stirring blade
- baking machine
- inverter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- A47J37/0871—Accessories
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Baking, Grill, Roasting (AREA)
- Food-Manufacturing Devices (AREA)
Abstract
Automatic bread baking machine is provided, which has container, stirring blade, motor, pulse output section, inverter and control unit.Bread raw materials are put into container.Stirring blade is mounted in container in a manner of it can rotate.Motor rotates stirring blade.Pulse output section is according to the rotation angle of motor come output pulse signal.Inverter drives motor.Control unit controls inverter according to pulse.In deairing step, control unit calculates the rotation speed of motor also according to pulse signal, and is by inverter control, so that rotation speed becomes target rotational speed.Control unit calculates the rotation angle of motor according to pulse signal, and is by inverter control, so that rotation angle, which becomes target, rotates angle.According to the method, in deairing step, it is able to suppress the damage of bread dough, and can steadily be exhausted.
Description
Technical field
Disclosure herein is related to the mainly automatic bread baking machine used in average family.
Background technique
In home-use automatic bread baking machine, raw material is put into the container as baking mold and makes bread.
In general, this automatic bread baking machine by successively execute agitating procedure, one time fermentation process, deairing step, secondary fermentation process,
Process is baked to make bread.
Deairing step is the process of the gas discharge for will be present in the bread dough after fermenting.When in exhaust work
When the stirring blade that bread dough is rotated in sequence is torn up, bread hardly expands in baking process.
In conventional art used to solve the problem, include following automatic bread baking machine: automatic bread baking machine tool
The stirring blade for having the container for being put into raw material and being rotated in container centered on vertical rotary shaft, the automatic bread baking machine structure
As being stirred to the bread raw materials being put into container (for example, referring to International Publication No. 2014/162743).
Stirring blade has the 1st function part and the 2nd function part.When stirring blade rotates clockwise, the 1st function part is by face
The side wall of packet dough/pasta towards container presses.When stirring blade rotates counterclockwise, the 2nd function part is along clockwise with stirring blade
The case where rotation different direction, bread dough is pressed.
According to this structure, it by switching the direction of rotation of stirring blade, is able to select whether to hold bread dough direction
The side wall of device is pressed.
As a result, in the case where needing to apply stronger power to bread dough in agitating procedure, bread dough quilt
The side wall of 1st function part towards container is pressed and is moved between the side wall and stirring blade of container.As a result, being capable of opposite
Packet dough/pasta applies stronger pressure.
On the other hand, by rotating stirring blade counterclockwise, stronger pressure will not be applied to bread dough, it can
Damage bread dough.
The amount of required bread dough depends on breadmaking menu.According to the amount of bread dough, even if cutting sometimes
Changing direction of rotation also can apply stronger pressure to bread dough, to not can avoid the damage of bread dough.
In solution to the problems described above, include following method: making to stir and carrying out intermittent driving to motor
The rotation speed of blade seems slack-off.Hereinafter, by the referred to as intermittent driving of motor the case where carrying out intermittent driving to motor.
But in the intermittent driving of motor, according to the performance of motor or the position of bread dough, it can generate and cause face
Excessive or gas, which is discharged, in the gas of the damage of packet dough/pasta can not be successfully the exhaust deficiency of discharge.
Summary of the invention
Disclosure herein is to complete to solve the above-mentioned problems, it is intended that providing following automatic bread processed
Machine: in deairing step, the position of the performance of amount, motor regardless of bread dough, bread dough will not all make face
The damage of packet dough/pasta, can carry out the exhaust of bread dough well.
The automatic bread baking machine of a mode disclosed herein has container, stirring blade, motor, pulse output section, inverse
Become device portion and control unit.Bread raw materials are put into container.Stirring blade is mounted in container in a manner of it can rotate.Motor
Rotate stirring blade.Pulse output section is according to the rotation angle of motor come output pulse signal.In breadmaking process
In, inverter drives motor.Control unit controls inverter according to pulse signal.It is wrapped in breadmaking process
In the deairing step contained, control unit calculates the rotation speed of motor also according to pulse signal, and is to make by inverter control
Obtaining rotation speed becomes target rotational speed.Control unit calculates the rotation angle of motor according to pulse signal, and by inverter
Portion's control is, so that rotation angle, which becomes target, rotates angle.
According to the method, following automatic bread baking machine can be realized: can inhibit bread dough in deairing step
Damage, and can steadily be exhausted.
Detailed description of the invention
Fig. 1 is the local sectional elevation for showing the outline structure of the automatic bread baking machine of embodiments disclosed herein 1.
Fig. 2 is the structural block diagram of the driving portion of embodiment 1.
Fig. 3 A be the target rotational speed of the stirring blade in the deairing step of previous automatic bread baking machine, motor it is defeated
Enter the waveform diagram of the rotation speed of electric current, stirring blade.
Fig. 3 B be the target rotational speed of the stirring blade in the deairing step of previous automatic bread baking machine, motor it is defeated
Enter the waveform diagram of the rotation speed of electric current, stirring blade.
Fig. 4 A is the target rotational speed of the stirring blade in the deairing step of the automatic bread baking machine of embodiment 1, electricity
The waveform diagram of the input current of machine, the rotation speed of stirring blade.
Fig. 4 B is the target rotational speed of the stirring blade in the deairing step of the automatic bread baking machine of embodiment 1, electricity
The waveform diagram of the input current of machine, the rotation speed of stirring blade.
Fig. 5 be the target rotational speed of the stirring blade in the agitating procedure of previous automatic bread baking machine, motor it is defeated
Enter the waveform diagram of electric current.
Fig. 6 is the target rotation of the stirring blade in the agitating procedure of the automatic bread baking machine of embodiments disclosed herein 2
Rotary speed, motor input current waveform diagram.
Specific embodiment
The automatic bread baking machine of 1st mode disclosed herein has container, stirring blade, motor, pulse output section, inversion
Device portion and control unit.Bread raw materials are put into container.Stirring blade is mounted in container in a manner of it can rotate.Motor makes
Stirring blade is rotated.Pulse output section is according to the rotation angle of motor come output pulse signal.In breadmaking process,
Inverter drives motor.Control unit controls inverter according to pulse signal.Included in breadmaking process
Deairing step in, control unit calculates the rotation speed of motor also according to pulse signal, and is by inverter control so that
Rotation speed becomes target rotational speed.Control unit calculates the rotation angle of motor according to pulse signal, and by inverter
Control is, so that rotation angle, which becomes target, rotates angle.
In the automatic bread baking machine of the 2nd mode disclosed herein, other than the 1st mode, control unit is in deairing step
Middle control inverter is to make motor become target by the intermittent driving of motor to rotate angle.
In the automatic bread baking machine of the 3rd mode disclosed herein, other than the 1st mode, control unit is in breadmaking
It is by inverter control in the agitating procedure that process is included, by making the rotation speed of motor change come so that rotation
The average value of the time fluctuation of speed is equal with target rotational speed.
In the automatic bread baking machine of the 4th mode disclosed herein, other than the 3rd mode, control unit is in agitating procedure
It is middle to be by inverter control, so that the time fluctuation of the rotation speed of stirring blade is rendered as sine wave.
In the automatic bread baking machine of the 5th mode disclosed herein, other than the 1st mode, control unit is according to bread original
The amount of material rotates angle to set target rotational speed and target.
In the automatic bread baking machine of the 6th mode disclosed herein, other than the 5th mode, increase in the amount of bread raw materials
In the case where adding, target rotational speed and target rotation angle are set to bigger by control unit.
In the automatic bread baking machine of the 7th mode disclosed herein, other than the 5th mode, it is former that control unit detects bread
The amount of material.
The 8th mode disclosed herein automatic bread baking machine other than the 5th mode, also have operation portion, the operation
Portion is configured to input the amount of bread raw materials.
Hereinafter, being illustrated referring to attached drawing to embodiments disclosed herein.
(embodiment 1)
Fig. 1 is the local section section view for showing the outline structure of the automatic bread baking machine 1 of embodiments disclosed herein 1
Figure.Automatic bread baking machine 1 has operation portion 2, container 3, baking chamber 4, stirring blade 5, rotary shaft 6, belt wheel 7 and 8, band 9, motor
10 and driving portion 20.
The body top of automatic bread baking machine 1 is arranged in operation portion 2.Multiple operation keys are provided on operation portion 2, it
For carrying out the operation of beginning/stopping of breadmaking etc.；And display unit, it is used for display operation content.Display unit
Show progress status, terminate predetermined instant etc..Multiple operation keys also may include the operation key of the amount for inputting bread raw materials.
Bread raw materials are put into container 3.Container 3 is accommodated in baking chamber 4.It is stored in baking chamber 4 with surrounding
The mode of container 3 configure heater (not shown).Stirring blade 5 is configured in container 3.Stirring blade 5 is can hold
The mode rotated in device 3 is mounted in the rotary shaft 6 of the bottom of container 3.
The belt wheel 7 for being set to rotary shaft 6 is connect by band 9 with belt wheel 8.Belt wheel 8 is mounted on the output shaft 11 of motor 10.
Belt wheel 7,8 is respectively equivalent to the 1st, the 2nd belt wheel.
When motor 10 rotates, belt wheel 7,8 is functioned, and rotary shaft 6 is rotated with the speed lower than motor 10.Stirring
Blade 5 is rotated together with rotary shaft 6.
Fig. 2 is the structural block diagram of driving portion 20.As shown in Fig. 2, driving portion 20 has rectification circuit 22, smoothing capacity device
23, inverter 24, current sensor 25a, current sensor 25b, current sensor 25c, pulse output section 26 and control
Portion 27.Current sensor 25a, 25b, 25c are equivalent to current detecting part.
Rectification circuit 22 rectifies the AC power supplied by source power supply 21.After 23 pairs of smoothing capacity device rectifications
Direct current power is smoothed.Inverter 24 receives the direct current power after smoothing and drives to motor 10.Pulse is defeated
Portion 26 exports pulse signal corresponding with the rotation angle of motor 10 out.The arteries and veins that control unit 27 is exported according to pulse output section 26
Signal is rushed, sends inverter 24 for driving signal.
Control unit 27 have current detecting part 28, rotation speed operational part 29, voltage output portion 30, current control unit 31,
Rotation speed control unit 32, target rotational speed control unit 33, driver 34 and rotation angle operational part 35.Current detecting part
28 phase current Iu, Iv, Iw according to detected by current sensor 25a, 25b, 25c are come calculating current value I.Control unit 27 is by micro-
Type computer is constituted.
Inverter 24 has freewheeling diode 110, freewheeling diode 111, freewheeling diode 112, freewheeling diode
113, freewheeling diode 114, freewheeling diode 115, switch element 100, switch element 101, switch element 102, switch element
103, switch element 104, switch element 105.
Freewheeling diode 110~115 is arranged in parallel with switch element 100~105 respectively.Switch element 100~105 is for example
It is made of IGBT (Insulated Gate Bipolar Transistor: insulated gate bipolar transistor).
Switch element 100,101,102 is equivalent to the switch element of upper arm.Switch element 103,104,105 is equivalent to lower arm
Switch element.
The series circuit of 1 system is made up of the switch element of the switch element of upper arm and a lower arm.It is inverse
Become the series circuit with U phase, V phase, W phase this 3 systems in total of device portion 24.The connection of upper and lower arms in each series circuit
Point is connect with the motor 10 as load.
As described above, the configuration of motor 10 is in the main body of automatic bread baking machine 1.The rotary shaft 6 and paddle of motor 10
Piece 5 connects.
When receiving the driving signal from control unit 27 and act switch element 100~105, inverter 24
DC voltage is converted into the alternating voltage of three-phase and motor 10 is driven.The use of control unit 27 current sensor 25a,
Electric current detected by 25b, 25c carries out feedback control.
In the automatic bread baking machine 1 of present embodiment, control unit 27 is controlled such that motor 10 to inverter 24
Rotation speed desirably is rotated, to produce bread.
In the breadmaking process of automatic bread baking machine 1, agitating procedure, one time fermentation process, exhaust work are generally comprised
Sequence, bakes process at secondary fermentation process.
Agitating procedure is the process that bread raw materials mixing is made bread dough.When passing through defined from the outset
Between when, agitating procedure terminates, and one time fermentation process starts.One time fermentation process is the process for making bread dough ferment.When from
When having started by the defined time, one time fermentation process terminates, and deairing step starts.
Deairing step is the process of the gas discharge in the bread dough for that will expand.In deairing step, alternately
Fermentation and exhaust is repeatedly repeated in ground.When the volume of bread dough for example increase to approximately twice as when, deairing step terminates,
Secondary fermentation process starts.
Secondary fermentation process is to expand bread dough fermentation so that bread dough, which becomes, is suitable for next baking
The process for roasting the state of process.When passing through the defined time from the outset, secondary fermentation process terminates, and bakes process and starts.
Baking process is the process baked to the bread dough after fermentation.When from the outset by the defined time
When, baking process terminates.All breadmaking processes terminate as a result,.
Control unit 27 controls inverter 24 according to the process of the breadmaking menu of regulation, so that in Beater operator
When sequence, motor 10 is rotated according to target rotational speed corresponding with the process time from breadmaking.In bread
In production process, control unit 27 controls inverter 24, so that motor 10 is carried out according to following target rotational speed
Rotation: the target rotational speed is calculated according to the pulse signal that pulse output section 26 is exported.
Specifically, rotation speed operational part 29 calculates rotation angle using the pulse signal that pulse output section 26 is exported
Pace of change, so as to find out rotation speed ω.
The output of rotation speed control unit 32 is directed to the current instruction value I* of the current value I of motor 10, so that rotation speed is transported
Target rotation speed calculated by the actual rotation speed ω and target rotational speed control unit 33 of motor 10 calculated by calculation portion 29
It is equal to spend ω *.The operation is controlled based on common PI to carry out.
Pulse output section 26 is attached by the rotor being fixedly arranged in motor 10 as Hall sensor (Hall sensor)
Close Hall IC (Hall IC) is constituted.
Pulse output section 26 is also possible to the sensor of the changes of magnetic field according to rotor and output pulse signal.Pulse output
Portion 26 is also possible to following sensor: having along rotor as fluxgate sensor (Fluxgate sensor)
Magnetic pole is formed in the coil windings of stator side, and the pulse signal changed according to rotation speed come output frequency.
Current sensor 25a, 25b, 25c respectively detect phase current Iu, Iv, Iw for flowing through motor 10.Electric current inspection
Survey portion 28 is according to phase current Iu, Iv, Iw come calculating current value I.Current control unit 31 uses current value I and current instruction value I*
Difference carry out operation, by output voltage V send voltage output portion 30.
Voltage output portion 30 receives the rotation angle obtained of pulse output section 26 and output voltage V, and pwm signal is sent
To driver 34.Six signals for being used to drive inverter 24 are separately sent to switch member according to pwm signal by driver 34
Part 100~105.
In deairing step, control unit 27 calculates the rotation of motor 10 according to the pulse signal obtained of pulse output section 26
Gyration, and motor 10 is controlled so that its rotation angle is equal with target rotation angle via inverter 24.
Specifically, the rotation speed of motor 10 is sent out in the output of 29 input pulse output section 26 of rotation speed operational part
It is sent to rotation angle operational part 35.Rotation angle operational part 35 sets target rotation angle, and passes through rotation speed
With the rotation angle for calculating motor 10 by the time.When the rotation angle reaches desired target rotation angle, rotation angle
It spends operational part 35 and sends target rotational speed control unit 33 for the stop signal for stopping motor 10.
The target rotational speed control unit 33 for receiving stop signal exports " 0 " as target rotational speed ω *'s
Value.Rotation speed control unit 32 is come using the difference of the value " 0 " of actual rotation speed ω and target rotational speed the ω * of motor 10
The current instruction value I* for calculating the current value I for motor 10, so that rotation speed ω is consistent with target rotational speed ω *.
Rotation speed control unit 32 carries out operation until the actual rotation speed ω of motor 10 is " 0 ".When the reality of motor 10
When border rotation speed ω is " 0 ", motor 10 is halted state.
Then, to the relationship and stirring blade 5 and motor between stirring blade 5 and the target rotational speed of motor 10
Relationship between 10 target rotation angle is illustrated.
When motor 10 rotates, 6 low speed rotation of rotary shaft is made by the deceleration (for example, decelerating to 1/5) of belt wheel 7,8
(for example, 250rpm).The stirring blade 5 connecting with rotary shaft 6 is rotated according to speed identical with rotary shaft 6.
The motor 10 connecting via belt wheel 7,8 and band 9 with stirring blade 5 is obtained according to target rotational speed control unit 33
Target rotational speed rotated, and in deairing step, when the rotation angle of motor 10 reaches rotation angle fortune
When the target obtained of calculation portion 35 rotates angle, motor 10 stops.
In the case where the target rotational speed of stirring blade 5 is set as 250rpm, pass through the deceleration of belt wheel 7,8
(for example, decelerating to 1/5) makes the target rotational speed 1250rpm of motor 10.Equally, it is rotated by the target of stirring blade 5
In the case that angle is set as 90 degree, the target rotation angle of motor 10 is 450 degree.
Hereinafter, being illustrated to the movement in the automatic bread baking machine of above structure, common deairing step.Passing through
When previous automatic bread baking machine makes bread, deairing step is the gas for will be present in the bread dough after fermenting
The process of discharge.The success or not of exhaust influences whether to bake the quality of the bread such as the bulkiness of bread in process.
It as described above, include the direction of rotation by switch motor 10 without right in the method for previous exhaust
Bread dough applies the method for stronger pressure, inhibited by the intermittent driving of motor 10 bread dough damage side
Method.
But in the previous method, the amount of required bread dough depends on breadmaking menu.It is raw according to bread
The amount of dough can apply stronger pressure to bread dough switching direction of rotation sometimes, not can avoid bread dough
The damage of group.In the intermittent driving of motor 10, according to the performance of motor or the position of bread dough, it can generate and cause bread
The excessive or gas that discharges of the gas of the damage of dough/pasta can not be successfully the exhaust deficiency of discharge.
Hereinafter, being asked using attached drawing in the deairing step of previous automatic bread baking machine, the intermittent driving of motor 10
Topic point is illustrated.
Fig. 3 A, Fig. 3 B are the target rotational speed of the stirring blade 5 in the deairing step of previous automatic bread baking machine, electricity
The waveform diagram of the input current of machine 10, the actual rotation speed of stirring blade 5.Fig. 3 A is the target rotation angle of stirring blade 5
The waveform diagram of the case where for 180 degree, Fig. 3 B are the waveform diagrams for the case where target rotation angle of stirring blade 5 is 90 degree.
In Fig. 3 A, Fig. 3 B, input current refers to the input current for flowing into inverter 24.Rotation in Fig. 3 A, Fig. 3 B
The unit of speed and target rotational speed be [V], to [rpm] as long as indicate if multiplied by conversion coefficient.
In the starting method of the motor 10 of present embodiment, make to apply while detecting the position of the rotor in motor 10
Making alive is gradually increasing, so that the rotation speed of motor 10 be made to be gradually increasing, makes the target rotational speed of motor 10 desirably
It is rotated.
When application voltage upon start up is larger, the starting current in motor 10 increases.Above-mentioned starting method is in order to anti-
Only starting current increases and uses.When being gradually increasing the rotation speed of motor 10, according to the bread dough in container 3
Position, the load for being applied to stirring blade 5 can be different, and it is poor to generate in terms of the rising of the rotation speed of stirring blade 5 as a result,
It is different.
When nevertheless, also carrying out intermittent driving to motor 10 as shown in Fig. 3 A, Fig. 3 B, the shifting of stirring blade 5
Dynamic rotation angle can generate difference, as a result, generating difference in terms of the rising of rotation speed.
In the case where loading biggish situation, i.e., at the larger situation of input current (waveform A1 shown in Fig. 3 A), rotation speed
The rising of degree is smaller (waveform A2 shown in Fig. 3 A).In the case where loading lesser situation, i.e., in the lesser situation of input current (Fig. 3 A
Shown in waveform B 1) under, the rising of rotation speed is larger (waveform B 2 shown in Fig. 3 A).
The area of rotation speed in the value of the time integral of rotation speed, i.e. Fig. 3 A, Fig. 3 B is equivalent to stirring blade 5
Mobile rotation angle.As shown in Figure 3A, angle being rotated for the target of 180 degree, the mobile rotation angle of stirring blade 5 generates ±
20% deviation.As shown in Figure 3B, angle being rotated for 90 degree of target, the mobile rotation angle of stirring blade 5 also generates ±
20% deviation.
Deviation in the mobile rotation angle of stirring blade 5, which generates, means cannot achieve set target rotation angle
Under optimal exhaust.That is, generating, gas discharge is excessive or exhaust is insufficient.
In the present embodiment, in deairing step, control unit 27 controls inverter by the intermittent driving of motor 10
Portion 24, so that there is stirring blade 5 target to rotate angle.When the rotation angle of stirring blade 5 reaches desired target rotation angle
When spending, the stop signal for stopping motor 10 is output to target rotational speed control unit 33 by control unit 27.
Control unit 27 makes the stopping certain time of stirring blade 5 and then secondary driving stirring blade 5.It is desired when reaching
When target rotates angle, control unit 27 stops motor 10 again.
Hereinafter, controlling the intermittent driving by motor 10 inverter 24 in the deairing step of present embodiment
So that the movement for the automatic bread baking machine 1 that stirring blade 5 is rotated according to target rotational speed is illustrated.
Fig. 4 A, Fig. 4 B are the target rotations of the stirring blade 5 in the deairing step of the automatic bread baking machine 1 of present embodiment
The waveform diagram of speed, the actual rotation speed of the input current of motor 10, stirring blade 5.Fig. 4 A is the target rotation of stirring blade 5
The waveform diagram for the case where gyration is 180 degree, Fig. 4 B are the waveforms for the case where target rotation angle of stirring blade 5 is 90 degree
Figure.
In Fig. 4 A, Fig. 4 B, input current refers to the input current for being flowed into inverter 24.Rotation in Fig. 4 A, Fig. 4 B
The unit of rotary speed and target rotational speed be [V], to [rpm] as long as indicate if multiplied by conversion coefficient.
In the starting method of the motor 10 of present embodiment, make to apply while detecting the position of the rotor in motor 10
Making alive is gradually increasing, so that the rotation speed of motor 10 be made to be gradually increasing, makes the target rotational speed of motor 10 desirably
It is rotated.
When application voltage on startup is larger, the starting current in motor 10 increases.Above-mentioned starting method is in order to anti-
Only starting current increases and uses.When being gradually increasing the rotation speed of motor 10, according to the bread dough in container 3
Position, the load for being applied to stirring blade 5 can be different, upper in terms of the rising of the rotation speed of stirring blade 5 as a result, to generate
Difference.
In Figure 4 A, turn-on time T1 is to load larger, input current is larger situation (Fig. 4 A institute in stirring blade 5
The waveform C1 shown) under time that motor 10 is driven.Turn-on time T2 be stirring blade 5 load it is smaller, input electricity
Flow the time driven under lesser situation (waveform D1 shown in Fig. 4 A) to motor 10.
As shown in Figure 4 A, turn-on time T1 is than turn-on time T2 long.When stirring blade 5 reaches target rotation angle, stir
Mix the stopping of blade 5.
In figure 4b, turn-on time T3 be stirring blade 5 load is smaller, the lesser situation of input current (Fig. 4 B institute
The waveform E1 shown) under time that motor 10 is driven.Turn-on time T4 be stirring blade 5 load it is larger, input electricity
Flow the time driven under larger situation (waveform F1 shown in Fig. 4 B) to motor 10.
As shown in Figure 4 B, turn-on time T3 is shorter than turn-on time T4.When stirring blade 5 reaches target rotation angle, stir
Mix the stopping of blade 5.
The area of rotation speed in the value of the time integral of rotation speed, i.e. Fig. 4 A, Fig. 4 B is equivalent to stirring blade 5
Mobile rotation angle.As described above, in the control of previous automatic bread baking machine, angle is rotated for the target of 180 degree,
The mobile rotation angle of stirring blade 5 generates ± 20% deviation.
However, according to the present embodiment, as shown in Figure 4 A, rotating angle for the target of 180 degree, stirring blade can be made
The deviation of 5 mobile rotation angle is reduced to ± 5%.As shown in Figure 4 B, angle is rotated for 90 degree of target, can will also stirred
The deviation for mixing the mobile rotation angle of blade 5 is reduced to ± 5%.
As a result, gas discharge will not be generated excessively and be vented deficiency, it can be steadily by the gas of bread dough
Discharge.
Then, the method for the amount of the bread raw materials in detection container 3 is illustrated.In the present embodiment, in order to examine
The amount for surveying bread raw materials, uses current sensor 25a, 25b, 25c.
In advance the bread raw materials of various amounts are measured with the current value under the rotation speed of defined stirring blade 5, by these
Data are stored in memory (not shown).
In agitating procedure, stirring blade 5 is driven according to the rotation speed of regulation, current sensor 25a, 25b, 25c
Phase current Iu, Iv, Iw of motor 10 are flowed through in detection.Current detecting part 28 is according to phase current Iu, Iv, Iw come calculating current value I.Control
Portion 27 processed is compared current value I and the data stored, detects the amount of bread raw materials.
Operation key for inputting the amount of bread raw materials can also be set on operation portion 2.
Hereinafter, being carried out to the amount based on the bread raw materials for being detected or being inputted by the above method, stirring blade 5 movement
Explanation.
In deairing step, control unit 27 sets target rotational speed and mesh according to the amount of the bread raw materials in container 3
Mark rotation angle.Specifically, when the amount of the bread raw materials in container 3 increases, control unit 27 is by target rotational speed and mesh
Mark rotation angle is set to bigger.
When the amount of bread raw materials increases, the load for being applied to stirring blade becomes larger.Therefore, more in the amount of bread raw materials
In the case where, if applying voltage identical with the less situation of the amount of bread raw materials, the rotation of stirring blade 5 to motor 10
Speed and mobile rotation angle are insufficient, as a result, it is insufficient to generate exhaust.
After detecting by the above method or having input the amount of bread raw materials, in deairing step, according to bread raw materials
Amount come set stirring blade 5 target rotational speed and target rotation angle.For example, being the length for 1 jin in bread raw materials
In the case where the amount of bread, target rotational speed is set to 200rpm, and target rotation angle is set to 90 degree.In bread original
In the case that material is the amount for 1.5 jin of loaf, target rotational speed is set to 250rpm, and target rotation angle is set
It is set to 120 degree.
In the present embodiment, when the amount of bread raw materials increases, target rotational speed and target are rotated into angle initialization
It obtains bigger.Thereby, it is possible to obtain the rotation speed of desired stirring blade 5 and mobile rotation angle.As a result, being able to carry out
Adequately exhaust.
As described above, the control unit 27 of present embodiment is made of microcomputer.Control unit 27 is not limited to miniature
Computer.But if using programmable microcomputer, just can easily exception processes content, can be improved design
Freedom degree.
In order to improve processing speed, control unit 27 can also be made of logic circuit.Control unit 27 can also be physically
It is made of one or more elements.It, can also be by the member that is individually separated in the case where control unit 27 is made of multiple element
Part implements the constituent element that control unit 27 is included.In this case, it is believed that multiple element is corresponding with a control unit.
(embodiment 2)
Hereinafter, the embodiment 2 to automatic bread baking machine disclosed herein is illustrated.
At the initial stage of agitating procedure, bread raw materials are not sufficiently agitated.Therefore, at the initial stage of agitating procedure, make paddle
Piece 5 is rotated according to lower rotation speed (for example, 60rpm), to inhibit dispersing for bread raw materials.
When passing through the defined time in agitating procedure, the stirring of bread dough is carried out to a certain degree.At this
Quarter makes the rotation speed of stirring blade 5 rise (for example, 250rpm).
When rising the rotation speed of stirring blade 5, it sometimes appear that stirring blade 5 is pasted in bread dough and stirs
Mix the idle running of stirring blade 5 rotated in the state of blade 5, so-called.It, can not when there is the idle running of stirring blade 5
Bread dough is fully stirred.
Fig. 5 is the target rotational speed of the stirring blade 5 in the agitating procedure of previous automatic bread baking machine, motor 10
The waveform diagram of input current.
As shown in figure 5, input current reduces when passing through 2.5 seconds from the outset.The phenomenon shows to be applied to stirring blade
5 load becomes smaller because of the idle running of stirring blade 5.
Fig. 6 be the stirring blade 5 in the agitating procedure of the automatic bread baking machine 1 of present embodiment target rotational speed,
The waveform diagram of the input current of motor 10.As shown in fig. 6, in the present embodiment, in agitating procedure, control unit 27 is to inversion
Device portion 24 is controlled such that the rotation speed of stirring blade 5 periodically changes, thus make the time fluctuation of rotation speed
Average value is equal to true target rotational speed.
Specifically, target rotational speed control unit 33 (referring to Fig. 2) output stirring blade 5 that control unit 27 is included
Target rotational speed, so that the time fluctuation of the rotation speed of stirring blade 5 is rendered as sine wave.For example, target rotational speed
Control unit 33 makes target rotational speed change relative to true target rotational speed 250rpm, so that time fluctuation is presented
For the sine wave of the frequency of amplitude and 4.167Hz with ± 80rpm.
According to the present embodiment, the idle running of the stirring blade 5 in agitating procedure can be prevented.As a result, being capable of opposite
Packet dough/pasta is fully stirred.
In the present embodiment, as shown in fig. 6, the time fluctuation of rotation speed is rendered as sine wave.However, not limiting
In this.The time fluctuation of target rotational speed can also be rendered as the waveform other than sine wave.
As described above, disclosure herein can be applied in automatic bread baking machine.
Claims (8)
1. a kind of automatic bread baking machine, includes
Container is consisted of and is put into for bread raw materials；
Stirring blade is installed in the container in a manner of it can rotate；
Motor, consisting of rotates the stirring blade；
Pulse output section consists of the rotation angle according to the motor come output pulse signal；
Inverter is consisted of and is driven in breadmaking process to the motor；And
Control unit is consisted of and is controlled according to the pulse signal the inverter,
In the deairing step that the breadmaking process is included, the control unit calculates described according to the pulse signal
The rotation speed of motor, and be by inverter control, so that the rotation speed becomes target rotational speed,
The control unit is configured to calculate the rotation angle of the motor according to the pulse signal, and by the inverter
Control is, so that the rotation angle becomes target and rotates angle.
2. automatic bread baking machine according to claim 1, wherein
The control unit is configured in the deairing step control the inverter, is driven by the interval of the motor
It moves to make the stirring blade become target and rotate angle.
3. automatic bread baking machine according to claim 1, wherein
The control unit is configured in the agitating procedure that the breadmaking process is included control the inverter,
Rotation speed by making the stirring blade change come so that the time fluctuation of the rotation speed average value and mesh
It is equal to mark rotation speed.
4. automatic bread baking machine according to claim 3, wherein
The control unit is configured in the agitating procedure control the inverter, so that the institute of the stirring blade
The time fluctuation for stating rotation speed is rendered as sine wave.
5. automatic bread baking machine according to claim 1, wherein
The control unit is configured to set the target rotational speed and target rotation according to the amount of the bread raw materials
Angle.
6. automatic bread baking machine according to claim 5, wherein
The control unit is configured in the increased situation of amount of the bread raw materials, by the target rotational speed and the mesh
Mark rotation angle is set to bigger.
7. automatic bread baking machine according to claim 5, wherein
The control unit is configured to detect the amount of the bread raw materials.
8. automatic bread baking machine according to claim 5, wherein
The automatic bread baking machine also has operation portion, which is configured to input the amount of the bread raw materials.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017116370 | 2017-06-14 | ||
| JP2017-116370 | 2017-06-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109077625A true CN109077625A (en) | 2018-12-25 |
| CN109077625B CN109077625B (en) | 2022-05-17 |
Family
ID=64839828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810593688.7A Active CN109077625B (en) | 2017-06-14 | 2018-06-11 | Automatic bread maker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019000629A (en) |
| CN (1) | CN109077625B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401632A (en) * | 2020-10-30 | 2021-02-26 | 添可智能科技有限公司 | Slice assembly and control method thereof |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02109520A (en) * | 1988-10-19 | 1990-04-23 | Toshiba Corp | Bread manufacturing machine |
| JPH02119821A (en) * | 1988-10-28 | 1990-05-07 | Matsushita Electric Ind Co Ltd | Bread making machine |
| CN1518880A (en) * | 2003-02-07 | 2004-08-11 | ������������ʽ���� | Automatic bread maker and bread prodn. method |
| JP2007111307A (en) * | 2005-10-21 | 2007-05-10 | Matsushita Electric Ind Co Ltd | Automatic bread maker |
| TW200803747A (en) * | 2006-07-14 | 2008-01-16 | Matsushita Electric Tw Co Ltd | Method for manufacturing bread containing dry fruit |
| TW200913949A (en) * | 2007-09-21 | 2009-04-01 | Wen-Qing Li | Automatic stirring and bread baking device |
| CN101990920A (en) * | 2009-08-25 | 2011-03-30 | 三洋电机株式会社 | Automatic bread maker |
| CN102138574A (en) * | 2010-01-15 | 2011-08-03 | 三洋电机株式会社 | Automatic bread maker |
| CN202112945U (en) * | 2011-06-22 | 2012-01-18 | 威斯达电器(中山)制造有限公司 | Bread maker |
| WO2012056763A1 (en) * | 2010-10-25 | 2012-05-03 | 三洋電機株式会社 | Automatic bread maker |
| CN103750735A (en) * | 2013-12-30 | 2014-04-30 | 九阳股份有限公司 | Cooking method for steamed bun making machine |
| WO2014162743A1 (en) * | 2013-04-04 | 2014-10-09 | パナソニック株式会社 | Heat cooker |
| CN205585193U (en) * | 2016-02-04 | 2016-09-21 | 李晋云 | Flour -mixing machine stirred tank |
| CN106308566A (en) * | 2016-09-08 | 2017-01-11 | 广东新宝电器股份有限公司 | Bread maker control system, device and method |
-
2018
- 2018-06-01 JP JP2018105737A patent/JP2019000629A/en active Pending
- 2018-06-11 CN CN201810593688.7A patent/CN109077625B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02109520A (en) * | 1988-10-19 | 1990-04-23 | Toshiba Corp | Bread manufacturing machine |
| JPH02119821A (en) * | 1988-10-28 | 1990-05-07 | Matsushita Electric Ind Co Ltd | Bread making machine |
| CN1518880A (en) * | 2003-02-07 | 2004-08-11 | ������������ʽ���� | Automatic bread maker and bread prodn. method |
| JP2007111307A (en) * | 2005-10-21 | 2007-05-10 | Matsushita Electric Ind Co Ltd | Automatic bread maker |
| TW200803747A (en) * | 2006-07-14 | 2008-01-16 | Matsushita Electric Tw Co Ltd | Method for manufacturing bread containing dry fruit |
| TW200913949A (en) * | 2007-09-21 | 2009-04-01 | Wen-Qing Li | Automatic stirring and bread baking device |
| CN101990920A (en) * | 2009-08-25 | 2011-03-30 | 三洋电机株式会社 | Automatic bread maker |
| CN102138574A (en) * | 2010-01-15 | 2011-08-03 | 三洋电机株式会社 | Automatic bread maker |
| WO2012056763A1 (en) * | 2010-10-25 | 2012-05-03 | 三洋電機株式会社 | Automatic bread maker |
| CN202112945U (en) * | 2011-06-22 | 2012-01-18 | 威斯达电器(中山)制造有限公司 | Bread maker |
| WO2014162743A1 (en) * | 2013-04-04 | 2014-10-09 | パナソニック株式会社 | Heat cooker |
| CN103750735A (en) * | 2013-12-30 | 2014-04-30 | 九阳股份有限公司 | Cooking method for steamed bun making machine |
| CN205585193U (en) * | 2016-02-04 | 2016-09-21 | 李晋云 | Flour -mixing machine stirred tank |
| CN106308566A (en) * | 2016-09-08 | 2017-01-11 | 广东新宝电器股份有限公司 | Bread maker control system, device and method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112401632A (en) * | 2020-10-30 | 2021-02-26 | 添可智能科技有限公司 | Slice assembly and control method thereof |
| CN112401632B (en) * | 2020-10-30 | 2023-09-15 | 添可智能科技有限公司 | Slice assembly and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019000629A (en) | 2019-01-10 |
| CN109077625B (en) | 2022-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI328337B (en) | ||
| CN102201777B (en) | Control device and control method of induction motor | |
| EP2678937B1 (en) | Method and system for controlling an electric motor with variable switching frequency at variable operating speeds | |
| US20150048766A1 (en) | Synchronous motor control apparatus | |
| US8853990B2 (en) | Inverter device of rotating electrical machine, and driving method for rotating electrical machine | |
| EP2523343A2 (en) | Apparatus and method for controlling rotary electric machine | |
| CN109077625A (en) | Automatic bread baking machine | |
| CN105048891A (en) | Motor control device | |
| CN106992735A (en) | Controller for motor | |
| CN103445696A (en) | Automatic bread making machine | |
| JP2008167525A (en) | Motor driver and electrical equipment equipped therewith | |
| CN104901598B (en) | Motor driver, method and motor | |
| CN105794104A (en) | Electric-motor drive device | |
| CN104869877B (en) | Automatic bread baking machine | |
| US9287807B2 (en) | Apparatus and method of decreasing speed of sensorless brush less direct current (BLDC) motor | |
| JP2019135893A (en) | Motor control device | |
| TW201402056A (en) | Stirring machine having brushless motor driving system | |
| JP2007089775A (en) | Washing machine | |
| JP2012090429A (en) | Motor drive device | |
| CN110999070B (en) | Motor control device, sensorless brushless motor, and blower device | |
| JP2005312227A (en) | Pump or fan motor driving apparatus | |
| CN116995979A (en) | Motor control device, motor device and dust collector | |
| WO2023153420A1 (en) | Power conversion device and motor module | |
| CN112421997B (en) | Torque compensation device, method and system of motor, household appliance and storage medium | |
| CN212279661U (en) | Weak magnetic speed-up type domestic cook machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |