CN208259522U - Cooking apparatus and its mangneto driving source - Google Patents
Cooking apparatus and its mangneto driving source Download PDFInfo
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- CN208259522U CN208259522U CN201721247302.4U CN201721247302U CN208259522U CN 208259522 U CN208259522 U CN 208259522U CN 201721247302 U CN201721247302 U CN 201721247302U CN 208259522 U CN208259522 U CN 208259522U
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Abstract
The utility model discloses a kind of cooking apparatus and its mangneto driving sources, the cooking apparatus includes pot body ontology and magnetostrictive member, the mangneto driving source includes: magnetostriction exciting unit, including excitation coil, and excitation coil includes AC coil and DC coil；Excitation power supply, it is connected with magnetostriction exciting unit, excitation power supply is by providing excitation energy so that AC coil and DC coil provide different magnetic field to magnetostriction exciting unit, wherein, AC coil provides alternating current magnetic field, DC coil provides bias magnetic field, bias magnetic field is added to alternating current magnetic field to form alternation total magnetic field, magnetostrictive member flexible amplitude-controllable under the action of alternation total magnetic field, to drive pot body ontology to be vibrated, so as to promote materials abstraction during the cooking process, emulsification, water suction, so that the nutritional ingredient of material obtains depth extraction, promote mouthfeel, and compared to using iron plate mode of vibration, without the mechanical fatigue of vibrating reed, and without providing an oscillation space.
Description
Technical field
The utility model belongs to living electric apparatus technical field, specifically, the utility model relates to the mangnetos of cooking apparatus
Driving source and cooking apparatus.
Background technique
Conventional electric cooker is usually to start by beginning or reservation, electric cooker starts to preheat after user puts rice and water well
It cooks, during cooking, the nutrition of the grain of rice or other food materials is only absorbed by moisture oneself, but because of moisture major part
Time is in slow motion state, so the ability that moisture draws food materials nutrition is also just poor, leads to the food mouthfeel cooked
It is poor.
Therefore, existing electric cooker is further improved.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of mangneto driving source of cooking apparatus with first novel purpose, by the magnetic being arranged on cooking apparatus
Extensible member is caused to provide alternating magnetic field, deformation occurs so that magnetostrictive member is under the action of alternating magnetic field, to drive pot body ontology
It is vibrated, so as to promote materials abstraction, emulsification, water suction during the cooking process, so that the nutritional ingredient of material obtains depth
Degree extraction promotes mouthfeel, and due to providing magnetic field by two coils of AC coil and DC coil, can effectively change
Become the direction of alternating magnetic field, so that the flexible amplitude-controllable of magnetostrictive member, so that the vibration of pot body ontology is controllable,
It is controllable to cook effect, and compared to iron plate mode of vibration is used, without the mechanical fatigue of vibrating reed, and without providing one
Oscillation space.
Second purpose of the utility model is to propose a kind of cooking apparatus.
In the one aspect of the utility model, the utility model proposes a kind of mangneto driving sources of cooking apparatus.According to
The embodiments of the present invention, the cooking apparatus include pot body ontology and magnetostrictive member, and the mangneto driving source includes: magnetic
Flexible exciting unit is caused, the magnetostriction exciting unit includes excitation coil, and the excitation coil includes AC coil and straight
Streamline circle；Excitation power supply, the excitation power supply are connected with the magnetostriction exciting unit, and the excitation power supply passes through to described
Magnetostriction exciting unit provides excitation energy so that the AC coil and the DC coil provide different magnetic field,
In, the AC coil provides alternating current magnetic field, and the DC coil provides bias magnetic field, and the bias magnetic field is added to the friendship
To form alternation total magnetic field, the magnetostrictive member stretches amplitude-controllable under the action of the alternation total magnetic field in stream magnetic field, with
The pot body ontology is driven to be vibrated.
The mangneto driving source of cooking apparatus according to the present utility model is mentioned by excitation power supply to magnetostriction exciting unit
For excitation energy so that AC coil and DC coil provide different magnetic field, wherein AC coil provides alternating current magnetic field, direct current
Coil provides bias magnetic field, and bias magnetic field is added to alternating current magnetic field to form alternation total magnetic field, and magnetostrictive member is in the total magnetic of alternation
Stretch amplitude-controllable under the action of, to drive pot body ontology to be vibrated, so as to promote material to extract during the cooking process
It takes, emulsify, absorb water, so that the nutritional ingredient of material obtains depth extraction, promote mouthfeel, and due to by AC coil and directly
Two coils of streamline circle provide magnetic field, therefore can effectively change the direction of alternating magnetic field, so that magnetostrictive member is stretched
Contracting amplitude-controllable, so that the vibration of pot body ontology is controllable, culinary art effect is controllable, and compared to using iron plate vibration side
Formula, without the mechanical fatigue of vibrating reed, and without providing an oscillation space.
In addition, the mangneto driving source of cooking apparatus according to the present utility model can also have following additional technology special
Sign:
Optionally, the magnetostrictive member is magneto strictive material, and the magneto strictive material is arranged in the pot
On at least part surface of body ontology.
Optionally, the AC coil is arranged concentrically with the DC coil.
Optionally, meet relationship between the intensity of the bias magnetic field and the intensity peak of the alternating current magnetic field: H2pp*3/
4 >=H1 > H2pp*1/4, wherein H1 is the intensity of the bias magnetic field, and H2pp is the intensity peak of the alternating current magnetic field.
Optionally, the excitation power supply exports ac-excited source and DC source of energization respectively, and the magnetostriction excitation is single
Member further includes the first control circuit of the corresponding AC coil and the second control circuit of the corresponding DC coil, wherein
The ac-excited source is AC coil power supply, and the first control circuit controls the AC coil and carries out resonance, institute
DC source of energization is stated as DC coil power supply, the second control circuit controls the curent change of the DC coil.
Optionally, the first control circuit includes the first R-T tube and resonant capacitance, the resonant capacitance and institute
One end after stating AC coil parallel connection is connected with ac-excited source, another after the resonant capacitance is in parallel with the AC coil
End is connected with the collector of first R-T tube, the emitter ground connection of first R-T tube.
Optionally, the second control circuit includes protection diode, rectifier diode, storage capacitor and second switch
Pipe, wherein the anode of the protection diode is connected to the DC source of energization, institute after being connected with one end of the DC coil
The other end for stating DC coil is connected with the anode of the collector of the second switch and the rectifier diode respectively, described
The cathode of rectifier diode is connected after being connected with the cathode of the protection diode with one end of the storage capacitor, the energy storage
The other end of capacitor is grounded, the emitter ground connection of the second switch.
Optionally, the magnetostrictive member is made of Tb0.3Dy0.7Fe1.95 alloy.
Optionally, the magneto strictive material with a thickness of 10 μm~1mm.
Optionally, the pot body ontology is metal pan, ceramic pan, casserole or olla.
Optionally, the pot body ontology is metal pan, and the magneto strictive material is arranged in the pot body ontology appearance
In at least part in face.
Optionally, the pot body ontology is ceramic pan, casserole or olla, and the magneto strictive material is arranged in pot body sheet
On the outer surface of body or at least part of inner surface.
Optionally, the cooking apparatus is heated using IH (Indirect Heating, indirect heating) heating method.
Optionally, the cooking apparatus further includes foot pad.
In another aspect of the utility model, the utility model proposes a kind of cooking apparatus.According to the utility model
Embodiment, the cooking apparatus includes above-mentioned mangneto driving source.
Cooking apparatus according to the present utility model can be to setting in cooking pot by using above-mentioned mangneto driving source
Magnetostrictive member on tool provides alternating magnetic field, so that magnetostrictive member is under the action of alternating magnetic field, deformation occurs, to drive
Pot body ontology is vibrated, so as to promote materials abstraction, emulsification, water suction during the cooking process so that the nutrition of material at
Get depth extraction, promotes mouthfeel, and due to providing magnetic field by two coils of AC coil and DC coil, it can
Effectively to change the direction of alternating magnetic field, so that the flexible amplitude-controllable of magnetostrictive member, so that pot body ontology
Vibration is controllable, and culinary art effect is controllable, and compared to using iron plate mode of vibration, without the mechanical fatigue of vibrating reed, and nothing
One oscillation space need to be provided.
The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description
In become obvious, or recognized by the practice of the utility model.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 a be according to the pot body ontology of the utility model one embodiment be metal pan when magneto strictive material position
Set schematic diagram；
Fig. 1 b be according to the pot body ontology of the utility model further embodiment be metal pan when magneto strictive material
Position view；
Fig. 2 a be according to the pot body ontology of the utility model one embodiment be nonmetal pot when magneto strictive material
Position view；
Fig. 2 b be according to the pot body ontology of the utility model further embodiment be nonmetal pot when magneto strictive material
Position view；
Fig. 3 a is the structural schematic diagram according to the mangneto driving source of the utility model one embodiment；
Fig. 3 b is the structural schematic diagram according to the mangneto driving source of the utility model further embodiment；
Fig. 4 is the schematic diagram according to the excitation coil of the utility model one embodiment；
Fig. 5 is the waveform diagram according to the alternation total magnetic field of the utility model one embodiment；
Fig. 6 a is to carry out work according to the magnetostriction exciting unit of the utility model one embodiment with continuous current mode
The current waveform figure of excitation coil when making；
Fig. 6 b is to be carried out according to the magnetostriction exciting unit of the utility model further embodiment with discontinuous current mode
The current waveform figure of excitation coil when work；
Fig. 6 c is the magnetostriction exciting unit according to the utility model another embodiment with critical continuous mode current-mode
The current waveform figure of excitation coil when being worked.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model
Limitation.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the one aspect of the utility model, the utility model proposes a kind of mangneto driving sources of cooking apparatus.According to
The embodiments of the present invention, cooking apparatus may include pot body ontology and magnetostrictive member, which is stretched by mangneto
Compression material is made.Utility model people discovery, passes through the apparatus body (such as cooker body, upper cover) or pot body ontology in cooking apparatus
The magnetostrictive member made of magnetostriction materials is set at position, which can occur under the action of alternating magnetic field
Deformation, so as to drive pot body ontology to vibrate, and the vibration of pot body ontology can promote materials abstraction, emulsification, water suction, so that
The nutritional ingredient of material obtains depth extraction, mouthfeel is promoted, and compared to iron plate mode of vibration is used, without vibrating reed
Mechanical fatigue, and without providing an oscillation space.Wherein, alternating magnetic field can be provided by mangneto driving source.
In some embodiments of the utility model, magnetostrictive member is magneto strictive material 200, magnetostriction materials
Layer 200 is arranged at least part surface of pot body ontology 100.
Specifically, with reference to Fig. 1 a- Fig. 2 b, cooking apparatus may include pot body ontology 100 and magneto strictive material 200,
Wherein, magneto strictive material 200 is arranged at least part surface of pot body ontology 100, in this way in the work of alternating magnetic field
Under, magneto strictive material 200 will deformation occurs, so as to directly drive pot body ontology 100 to vibrate.And work as magnetostriction
When part is arranged in the upper cover or cooker body of cooking apparatus, it can will be vibrated by the component on cooking apparatus and indirectly be transferred to pot
Body ontology 100, and the vibration of pot body ontology 100 can make cooking food vibrate, and then can promote materials abstraction, cream
Change, water suction, so that the nutritional ingredient of material obtains depth extraction, promotes mouthfeel.In practical applications, specifically by magnetostrictive member
It is arranged in which way wherein, can selects to determine according to the actual situation, here with no restrictions.
In some embodiments of the utility model, pot body ontology 100 can be metal pan, ceramic pan, casserole or olla, right
This those skilled in the art can select according to actual needs.
Further, a specific embodiment according to the present utility model, pot body ontology 100 are metal pan, magnetostriction
Material layer 200 is arranged at least part of 100 outer surface of pot body ontology.With reference to Fig. 1 a and Fig. 1 b, magneto strictive material
200 can be arranged on the partial outer face of pot body ontology 100 or entire outer surface on, can root to this those skilled in the art
It is selected according to actual needs, it is preferred that as shown in Figure 1 b, magneto strictive material 200 can be arranged in pot body ontology 100
On entire outer surface.As a result, by arranging magneto strictive material on the outer surface of entire pot body ontology, the magnetostriction material
Deformation occurs under action of alternating magnetic field for the bed of material, drives the stationary vibration of pot body ontology, and the vibration of pot body ontology can accelerate pot
Interior material absorbs the extraction of moisture, nutrition, and then improves it and cook effect.
Another specific embodiment according to the present utility model, pot body ontology 100 are ceramic pan, casserole or olla, mangneto
Strictive material 100 can be arranged in the outer surface of pot body ontology 100 or at least part of inner surface.For example, mangneto is stretched
Compression material layer 200 can be arranged on the partial outer face of pot body ontology 100 or entire outer surface on or portion inner surface or portion
Divide inner surface, this those skilled in the art can be selected according to actual needs, with reference to Fig. 2 a, magneto strictive material
200 can be arranged in the entire outer surface of pot body ontology 100, and with reference to Fig. 2 b, magneto strictive material 200 can be arranged in pot body
On the entire inner surface of ontology 100.As a result, by arranging magnetostriction material on the outer surface of entire pot body ontology or inner surface
The bed of material, deformation occurs under the action of alternating magnetic field for the magneto strictive material, drive pot body ontology stationary vibration, and pot body sheet
The vibration of body can accelerate material in pot to absorb the extraction of moisture, nutrition, and then improve it and cook effect.
In some embodiments of the utility model, magnetostrictive member may include magnetostrictive Metal and Alloy, iron
Oxysome magnetostriction materials, rare earth intermetallic compound magnetostriction materials etc..In a specific embodiment of the utility model
In, magnetostrictive member can be rare earth intermetallic compound, such as TbFe2, DyFe2, SmFe2 etc..Due to the magnetic of these materials
Cause coefficient of dilatation very big, the response time of magnetostrictive effect is short, so that the pot body ontology 100 of the utility model can
With very strong vibration frequency, materials abstraction, emulsification, water suction can be effectively facilitated in cooking, improves cooking speed, and reduction is cooked
It prepares food the nutritive loss of material, improves cooking quality.
In some embodiments of the utility model, the method for preparing magnetostrictive member has very much, such as pressure difference method, conjunction
Golden melt consecutive solidification method, czochralski method etc..It, can be directly from magnetostrictive member in a specific embodiment of the utility model
Melt in draw out the magnetostrictive member with various cross sectional shapes.Thus, it is possible to quickly be made described in the utility model
Then magnetostrictive member can be formed on the surface of pot body ontology by way of attaching.
Further, a specific embodiment according to the present utility model, magnetostrictive member can be by
Tb0.3Dy0.7Fe1.95 alloy is made, specifically, magnetostrictive member such as magneto strictive material 200 can by thermal spraying or
The modes such as coating or etching are formed on the surface of pot body ontology 100.Utility model people discovery, is closed by Tb0.3Dy0.7Fe1.95
The coefficient of strain λ of magneto strictive material 200 made of gold is up to 800~1200 × 10-6(500~1000Oe, 0~5MPa) satisfies
With magnetostriction coefficient up to 1200~1500 × 10-6, Curie temperature up to 380~420 DEG C, the magnetomechanical coefficient of coup up to 0.7~0.75,
Energy conversion efficiency is up to 50~59%, and energy density is up to 14~25KJ/m3, compression strength is not less than 700MPa, and resistivity is up to 60
×10-8Ω m, density reach 9.25g/cm3, being thus arranged on the surface of pot body ontology can drive pot body ontology steadily to shake
It is dynamic, and the vibration of pot body ontology can accelerate materials abstraction, emulsification, water suction, improve cooking speed, reduce the nutrition of culinary art material
Loss improves cooking quality.
In some embodiments of the utility model, the thickness of magneto strictive material 200 is not particularly restricted, ability
Field technique personnel can select according to actual needs, a specific embodiment according to the present utility model, magnetostriction material
The thickness of the bed of material 200 can be 10 μm~1mm.Utility model people discovery, if the thickness of magneto strictive material 200 is less than 10 μ
M, will lead to magneto strictive material 200 and 100 bond strength of pot body ontology declines, and the thickness of magneto strictive material 200
Greater than 1mm, it will lead to that magneto strictive material 200 is easy to fall off and increased costs.The magnetostriction of the application range is used as a result,
Material layer can be reduced while guaranteeing has excellent bond strength between pot body ontology and magneto strictive material its at
This.
Embodiment according to the present utility model, with reference to Fig. 1 a- Fig. 3 b, mangneto driving source includes: magnetostriction exciting unit
310 excitation power supplies 320 and power module, wherein magnetostriction exciting unit 310 includes excitation coil L, and excitation coil includes handing over
Streamline circle Lac and DC coil Ldc；Excitation power supply 320 is connected with magnetostriction exciting unit 310, and excitation power supply 320 is by giving
Magnetostriction exciting unit 310 provides excitation energy so that AC coil Lac and DC coil Ldc provide different magnetic field,
In, AC coil Lac provides alternating current magnetic field, and DC coil Ldc provides bias magnetic field, and bias magnetic field is added to alternating current magnetic field with shape
At alternation total magnetic field, magnetostrictive member flexible amplitude-controllable under the action of alternation total magnetic field, to drive pot body ontology 100 to carry out
Vibration；Power module to excitation power supply 320 to power.
Specifically, certain metamorphosis can occur under the action of alternating magnetic field for magnetostrictive member, as size can be sent out
Raw elongation is shortened, and when removing alternating magnetic field, size is restored to original state again, so being imitated according to magnetostriction
It answers, when magnetostrictive member senses the magnetic field of alternation, high-frequency vibration can be generated, and pass through pot body ontology 100 for conduct vibrations
Into culinary art material, so that cooking apparatus can effectively facilitate materials abstraction, emulsification, water suction in the process of cooking, so that object
The nutritional ingredient of material obtains depth extraction, promotes cooking quality, promotes mouthfeel.And the side of magnetostrictive effect and alternating magnetic field
It is related with frequency to, amplitude, and specific magnetostrictive member is generally only that elongation effect is significant, and pinch effect is unobvious, or
Person's pinch effect is significant, and elongation effect is unobvious, utility model people discovery, by being superimposed direct current point in alternating current magnetic field
Amount, can effectively reduce or remove the changes of magnetic field direction in alternating current magnetic field, thus change the direction of alternating magnetic field, therefore,
In the embodiments of the present invention, by the way that two coils, an AC coil Lac and a DC coil Ldc is arranged, and pass through
Excitation power supply 320 provides excitation energy so that AC coil Lac and DC coil Ldc is provided to magnetostriction exciting unit 310
Different magnetic field, wherein AC coil Lac provides alternating current magnetic field, and DC coil Ldc provides bias magnetic field, bias magnetic field superposition
To alternating current magnetic field so as to there is a biggish DC component in alternation total magnetic field, so that the direction-agile of alternation total magnetic field,
The amplitude-controllable so that magnetostrictive member stretches under the action of alternation total magnetic field, is effectively improved culinary art effect.
According to one embodiment of the utility model, with reference to Fig. 4, AC coil Lac is arranged concentrically with DC coil Ldc.
According to one embodiment of the utility model, meet between the intensity of bias magnetic field and the intensity peak of alternating current magnetic field
Relationship: H2pp*3/4 >=H1 > H2pp*1/4, wherein H1 is the intensity of bias magnetic field, and H2pp is the intensity peak of alternating current magnetic field,
The waveform of superimposed alternation total magnetic field is as shown in Figure 5.From fig. 5, it can be seen that in the effect of bias magnetic field (i.e. DC component)
Under, the negative sense amplitude of alternating current magnetic field reduces, so that the direction of alternating magnetic field changes.
According to one embodiment of the utility model, referring to Fig. 3 a and Fig. 3 b, excitation power supply 320 exports ac-excited respectively
Source and DC source of energization, magnetostriction exciting unit 310 further include the first control circuit of corresponding AC coil Lac and correspond to straight
The second control circuit of streamline circle Ldc, wherein ac-excited source is AC coil Lac power supply, first control circuit control exchange
Coil Lac carries out resonance, and DC source of energization is DC coil Ldc power supply, and second control circuit controls the electric current of DC coil Ldc
Change.
According to one embodiment of the utility model, referring to Fig. 3 a, first control circuit includes the first R-T tube Q1
One end after (such as IGBT) and resonant capacitance C, resonant capacitance C are in parallel with AC coil Lac is connected with ac-excited source, resonance electricity
Hold C to be connected with the other end after AC coil Lac parallel connection with the collector of the first R-T tube Q1, the first R-T tube Q1
Emitter be grounded GND.
Specifically, with reference to Fig. 3 a, when excitation power supply 320 exports ac-excited source, excitation power supply 320 may include rectification
Unit 321 and filter unit 322, wherein rectification unit 321 can be rectifier bridge, and filter unit 322 may include the first absorption
Capacitor C1, the first filter inductance L1 (or choking-winding) and the second Absorption Capacitance C2.Wherein, two input terminals of rectifier bridge with
The feeder ear of electric main AC is corresponding to be connected, and the first output end of rectifier bridge is grounded GND, the second output terminal of rectifier bridge respectively with
One end of first Absorption Capacitance C1 is connected with one end of the first filter inductance L1, and the other end of the first Absorption Capacitance C1 is grounded GND,
The other end of first filter inductance L1 is connected with one end of the second Absorption Capacitance C2, AC coil Lac and resonant capacitance C respectively,
The other end of second Absorption Capacitance C2 is grounded GND.
When cooking pot tool work, electric main AC is rectified into the direct current of pulsation by rectification unit 321, then by the
It is defeated after the π type filter unit 322 that one Absorption Capacitance C1, the first filter inductance L1 and the second Absorption Capacitance C2 are constituted is filtered
Constant direct current out provides excitation energy to magnetostriction exciting unit 310, meanwhile, 330 output phase of drive control unit is answered
PPG (Programme Pulse Generator, programmable pulse generator) signal or PWM (Pulse Width
Modulation, pulse width modulation) signal to the first R-T tube Q1 control terminal, to control the first R-T tube Q1
Turn-on and turn-off, so that resonance occurs for AC coil Lac and resonant capacitance C, to generate alternating current magnetic field.
According to one embodiment of the utility model, with reference to Fig. 3 b, second control circuit includes protection diode D1, rectification
Diode D2, storage capacitor C4 and second switch Q2 (such as IGBT), wherein the anode and DC coil of protection diode D1
One end of Ldc is connected to DC source of energization after being connected, the other end of the DC coil Ldc collector with second switch Q2 respectively
It is connected with the anode of rectifier diode D2, after the cathode of rectifier diode D2 is connected with the cathode of protection diode D1 and energy storage is electric
The one end for holding C4 is connected, and the other end of storage capacitor C4 is grounded GND, and the emitter of second switch Q2 is grounded GND.
Specifically, with reference to Fig. 3 b, when excitation power supply 320 exports DC source of energization, excitation power supply 320 may include rectification
Unit 321 and filter unit 322, wherein rectification unit 321 can be rectifier bridge, and filter unit 322 may include that third absorbs
Capacitor C3.Wherein, two input terminals of rectifier bridge are corresponding with the feeder ear of electric main AC is connected, the first output end of rectifier bridge
Be grounded GND, the second output terminal of rectifier bridge respectively with one end of third Absorption Capacitance C3, DC coil Ldc and protection diode
D1 is connected, and the other end of third Absorption Capacitance C3 is grounded GND.
When cooking pot tool work, electric main AC is rectified into the direct current of pulsation by rectification unit 321, then by the
After three Absorption Capacitance C3 carry out low frequency filtering processing, excitation energy is provided to magnetostriction exciting unit 310, meanwhile, driving control
Unit 330 processed exports the control terminal of corresponding PPG signal or pwm signal to second switch Q2, to control second switch
Q2 turn-on and turn-off, so that DC coil Ldc carries out charge and discharge, to be generated by the electric current for changing DC coil Ldc partially
Set magnetic field.
Since DC coil Ldc and AC coil Lac is arranged on cooking pot tool simultaneously, so when bias magnetic field is superimposed to
When alternating current magnetic field, so that having a biggish DC component in the alternation total magnetic field formed, so that the side of alternation total magnetic field
To can be changed, the amplitude-controllable so that magnetostrictive member stretches under the action of alternation total magnetic field is effectively improved culinary art effect.
It should be noted that Fig. 3 a and Fig. 3 b are that the two is separately illustrated with drawing for ease of description, in practical application
In, the partial circuit in two circuits can be merged, for example, rectification unit 321 uses the same rectification unit, filtering
Unit 322 can use identical filter unit, can also can be used using different filter units in order to save cost
Identical filter unit can specifically select according to the actual situation.
In addition, it is necessary to which explanation, magnetostrictive effect are related with the direction of alternating magnetic field, amplitude and frequency, wherein logical
Control unit of overdriving 330 exports the driving signal of different duty to the first R-T tube Q1, can effectively change alternation
The frequency in magnetic field to change the vibration frequency of magnetostrictive member, and then changes culinary art effect；Alternatively, passing through drive control list
Member 330 exports the driving signal of different duty to second switch Q2, to change the electric current of excitation coil L, to change inclined
The intensity in magnetic field is set, and then changes the direction of alternating magnetic field, changes culinary art effect.In some embodiments of the utility model,
Drive control unit 330, to second switch Q2, can make excitation coil L's by the driving signal of output different duty
Electric current is in continuous state, on-off state or critical continuous mode state, i.e. magnetostriction exciting unit 310 shown in Fig. 3 b is with even
Continuous current-mode, discontinuous current mode or critical continuous mode current-mode work.Specifically, with reference to Fig. 6 a, magnetostriction swashs
Unit 310 is encouraged to work with continuous current mode；With reference to Fig. 6 b, magnetostriction exciting unit 310 with discontinuous current mode into
Row work；With reference to Fig. 6 c, magnetostriction exciting unit 310 is worked with critical continuous mode current-mode.It can be with from Fig. 6 a- Fig. 6 c
Find out, when magnetostriction exciting unit 310 is worked with continuous current mode, the amplitude of the bias magnetic field of acquisition will most
Greatly, when magnetostriction exciting unit 310 is worked with discontinuous current mode, the amplitude of the bias magnetic field of acquisition will be minimum,
But whether be that can obtain bias magnetic field under which kind of mode, and being used cooperatively by Three models, can obtain compared with
The bias magnetic field of wide strength range such as meets H2pp*3/4 >=H1 > H2pp*1/4 to meet the needs of different alternating magnetic fields.
In some embodiments of the utility model, cooking apparatus is heated using IH heating method.Since IH is heated
The bottom that (such as electromagnetic induction heating) does not need pot body ontology is in contact with coil panel, it is possible to effectively avoid the mistake in vibration
The effect that the bottom of pot body ontology and heating element cause heat to be transmitted due to poor contact in journey is bad.
In some embodiments of the utility model, cooking apparatus further includes foot pad (such as silica gel foot pad), to avoid pot
The vibration and noise of body ontology is transmitted downwards, to reduce the influence to platform (such as desk, hearth).
According to the mangneto driving source of the cooking apparatus of the utility model embodiment, motivated by excitation power supply to magnetostriction
Unit provides excitation energy so that AC coil and DC coil provide different electromagnetism, wherein AC coil provides AC magnetism
, DC coil provides bias magnetic field, and bias magnetic field is added to alternating current magnetic field to form alternation total magnetic field, and magnetostrictive member is being handed over
Stretch amplitude-controllable under the action of change total magnetic field, to drive pot body ontology to be vibrated, so as to promote during the cooking process
Materials abstraction, emulsification, water suction promote mouthfeel, and due to passing through AC line so that the nutritional ingredient of material obtains depth extraction
Two coils of circle and DC coil provide magnetic field, therefore can effectively change the direction of alternating magnetic field, so that magnetostriction
The flexible amplitude-controllable of part, so that the vibration of pot body ontology is controllable, culinary art effect is controllable, and shakes compared to using iron plate
Flowing mode, without the mechanical fatigue of vibrating reed, and without providing an oscillation space.
In another aspect of the utility model, the utility model proposes a kind of cooking apparatus.According to the utility model
Embodiment, which may include pot body ontology, magnetostrictive member and above-mentioned mangneto driving source.Utility model human hair
Existing, which can provide the magnetostrictive member being arranged on cooking apparatus by using above-mentioned mangneto driving source
Alternating magnetic field, so that magnetostrictive member is under the action of alternating magnetic field, deformation occurs, to drive pot body ontology to be vibrated, thus
It can promote materials abstraction, emulsification, water suction during the cooking process, so that the nutritional ingredient of material obtains depth extraction, promote mouth
Sense, and due to providing magnetic field by two coils of AC coil and DC coil, it can effectively change alternating magnetic field
Direction, so that the flexible amplitude-controllable of magnetostrictive member, so that the vibration of pot body ontology is controllable, culinary art effect can
Control, and compared to iron plate mode of vibration is used, without the mechanical fatigue of vibrating reed, and without providing an oscillation space.
One embodiment according to the present utility model, cooking apparatus can be electric cooker.It is carried out as a result, using the electric cooker
When cooking, deformation occurs under the action of alternating magnetic field, and the pot body ontology of electric cooker can be driven to be vibrated, so as to
Promote materials abstraction, emulsification, water suction in cooking process, so that the nutritional ingredient of material obtains depth extraction, promotes mouthfeel.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (15)
1. a kind of mangneto driving source of cooking apparatus, which is characterized in that the cooking apparatus includes pot body ontology and magnetostriction
Part, the mangneto driving source include:
Magnetostriction exciting unit, the magnetostriction exciting unit includes excitation coil, and the excitation coil includes AC line
Circle and DC coil；
Excitation power supply, the excitation power supply are connected with the magnetostriction exciting unit, and the excitation power supply is by giving the magnetic
Flexible exciting unit is caused to provide excitation energy so that the AC coil and the DC coil provide different magnetic field, wherein
The AC coil provides alternating current magnetic field, and the DC coil provides bias magnetic field, and the bias magnetic field is added to the exchange
Magnetic field is to form alternation total magnetic field, the magnetostrictive member flexible amplitude-controllable under the action of the alternation total magnetic field, with band
The pot body ontology is moved to be vibrated.
2. the mangneto driving source of cooking apparatus as described in claim 1, which is characterized in that the magnetostrictive member is stretched for mangneto
Compression material layer, the magneto strictive material are arranged at least part surface of the pot body ontology.
3. the mangneto driving source of cooking apparatus as described in claim 1, which is characterized in that the AC coil and the direct current
Coil is arranged concentrically.
4. the mangneto driving source of cooking apparatus as described in claim 1, which is characterized in that the intensity of the bias magnetic field and institute
It states and meets relationship between the intensity peak of alternating current magnetic field: H2pp*3/4 >=H1 > H2pp*1/4, wherein H1 is the bias magnetic field
Intensity, H2pp be the alternating current magnetic field intensity peak.
5. the mangneto driving source of cooking apparatus as described in claim 1, which is characterized in that the excitation power supply exports friendship respectively
It flows driving source and DC source of energization, the magnetostriction exciting unit further includes the first control circuit of the corresponding AC coil
With the second control circuit of the correspondence DC coil, wherein the ac-excited source is AC coil power supply, described the
One control circuit controls the AC coil and carries out resonance, and the DC source of energization is that the DC coil is powered, and described second
Control circuit controls the curent change of the DC coil.
6. the mangneto driving source of cooking apparatus as claimed in claim 5, which is characterized in that the first control circuit includes the
One R-T tube and resonant capacitance, one end and ac-excited source phase after the resonant capacitance is in parallel with the AC coil
Even, the other end after the resonant capacitance is in parallel with the AC coil is connected with the collector of first R-T tube,
The emitter of first R-T tube is grounded.
7. the mangneto driving source of cooking apparatus as claimed in claim 5, which is characterized in that the second control circuit includes protecting
Protect diode, rectifier diode, storage capacitor and second switch, wherein the anode of the protection diode and the direct current
One end of coil is connected to the DC source of energization after being connected, the other end of the DC coil respectively with the second switch
Collector be connected with the anode of the rectifier diode, the cathode of the cathode of the rectifier diode and the protection diode
It is connected after being connected with one end of the storage capacitor, the other end ground connection of the storage capacitor, the transmitting of the second switch
Pole ground connection.
8. such as the mangneto driving source of cooking apparatus of any of claims 1-7, which is characterized in that the magnetostriction
Part is made of Tb0.3Dy0.7Fe1.95 alloy.
9. the mangneto driving source of cooking apparatus as claimed in claim 2, which is characterized in that the thickness of the magneto strictive material
Degree is 10 μm~1mm.
10. the mangneto driving source of cooking apparatus as claimed in claim 2, which is characterized in that the pot body ontology be metal pan,
Ceramic pan, casserole or olla.
11. the mangneto driving source of cooking apparatus as claimed in claim 10, which is characterized in that the pot body ontology is metal
Pot, the magneto strictive material are arranged at least part of the pot body body outer surface.
12. the mangneto driving source of cooking apparatus as claimed in claim 10, which is characterized in that the pot body ontology is ceramics
Pot, casserole or olla, the magneto strictive material are arranged in the outer surface of pot body ontology or at least part of inner surface.
13. the mangneto driving source of cooking apparatus as described in claim 1, which is characterized in that the cooking apparatus is added using IH
Hot mode is heated.
14. the mangneto driving source of cooking apparatus as described in claim 1, which is characterized in that the cooking apparatus further includes foot
Pad.
15. a kind of cooking apparatus, which is characterized in that the mangneto including the cooking apparatus as described in any one of claim 1-14
Driving source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721247302.4U CN208259522U (en) | 2017-09-25 | 2017-09-25 | Cooking apparatus and its mangneto driving source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721247302.4U CN208259522U (en) | 2017-09-25 | 2017-09-25 | Cooking apparatus and its mangneto driving source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208259522U true CN208259522U (en) | 2018-12-21 |
Family
ID=64672409
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721247302.4U Active CN208259522U (en) | 2017-09-25 | 2017-09-25 | Cooking apparatus and its mangneto driving source |
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| Country | Link |
|---|---|
| CN (1) | CN208259522U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549458A (en) * | 2017-09-25 | 2019-04-02 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus and its mangneto driving source |
-
2017
- 2017-09-25 CN CN201721247302.4U patent/CN208259522U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549458A (en) * | 2017-09-25 | 2019-04-02 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus and its mangneto driving source |
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