CN104613513A - Microwave heating device, and controlling method thereof - Google Patents
Microwave heating device, and controlling method thereof Download PDFInfo
- Publication number
- CN104613513A CN104613513A CN201310535997.6A CN201310535997A CN104613513A CN 104613513 A CN104613513 A CN 104613513A CN 201310535997 A CN201310535997 A CN 201310535997A CN 104613513 A CN104613513 A CN 104613513A
- Authority
- CN
- China
- Prior art keywords
- microwave
- radio frequency
- switch
- heating equipment
- controlled oscillator
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/70—Feed lines
- H05B6/707—Feed lines using waveguides
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
- H05B6/687—Circuits for monitoring or control for cooking
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Constitution Of High-Frequency Heating (AREA)
- Control Of High-Frequency Heating Circuits (AREA)
Abstract
The invention discloses a microwave heating device. The microwave heating device comprises a heating chamber; a microwave source used for generating microwave; a plurality of waveguide outlets arranged on the heating chamber; a plurality of radio frequency switches; a plurality of radio frequency outlets corresponding to the radio frequency switches; and a controller; wherein the radio frequency outlets are correspondingly connected with the waveguid outlets respectively, and the radio frequency switches are connected with the microwave source; the controller is used for controlling the radio frequency switches, so that at least one of the radio frequency outlets is used for outputting microwave in each time period. According to the microwave heating device, different radio frequency outlets are switched for outputting of microwave, heating uniformity of microwave ovens is increased, heating efficiency of microwave ovens is increased, and user experience is improved. The microwave source is shared by the waveguide outlets of the microwave heating device, and controlling is realized via the radio frequency switches, so that the microwave heating device is simple in structure, cost is low, and application is flexible. The invention also discloses a controlling method of the microwave heating device.
Description
Technical field
The present invention relates to household electrical appliance technical field, particularly the control method of a kind of microwave heating equipment and a kind of microwave heating equipment.
Background technology
Existing micro-wave oven kind is a lot, such as rotating disc type microwave oven, flat plate microwave oven etc.Common micro-wave oven comprises the housing, the microwave generator that are provided with heating clamber and electric apparatus room.Wherein, in heating clamber, there is microwave transmissive openings; Microwave generator is positioned at housing, communicates with microwave transmissive openings, usually comprises microwave source and wave guide box.
Rotating disc type microwave oven also comprises glass rotary disc structure, and heated food is placed on rotating disk and rotates together with rotating disk, reaches the object of homogeneous heating; And flat plate microwave oven also comprises agitator for micro-wave oven, microwave stirrer is located in heating clamber, and by electric machine rotation, thus be beneficial to microwave be uniformly distributed for stirring microwave, but the volume of agitator and motor is large, power consumption is high, and heating uniformity is poor.In correlation technique, the shape usually by changing the shape of microwave stirrer or the shape of microwave transmissive openings or wave guide box realizes the uniformity of microwave distribution, but this improving cost is high, weak effect.
Summary of the invention
Object of the present invention is intended to solve above-mentioned technological deficiency at least to a certain extent.
For this reason, one object of the present invention is to propose a kind of microwave heating equipment, and this microwave heating equipment can improve the heating uniformity of micro-wave oven, thus improves the efficiency of heating surface of micro-wave oven, and adding users is experienced.
One object of the present invention is the control method proposing a kind of microwave heating equipment.
For achieving the above object, a kind of microwave heating equipment that one aspect of the present invention embodiment proposes, comprising: heating clamber; For generation of the microwave source of microwave; Be positioned at the multiple waveguide mouths on described heating clamber; Multiple RF switch and the multiple radio frequency delivery outlets corresponding with described multiple RF switch, wherein, described multiple radio frequency delivery outlet is corresponding with described multiple waveguide mouth to be respectively connected, and described multiple RF switch is connected with described microwave source; Controller, described controller controls described multiple RF switch, exports microwave to make at least one the radio frequency delivery outlet in radio frequency delivery outlet multiple described in each time period.
According to the microwave heating equipment that the embodiment of the present invention proposes, multiple RF switch is controlled by controller, microwave is exported to make at least one the radio frequency delivery outlet in multiple radio frequency delivery outlet of each time period, like this, microwave is exported by switching different radio frequency delivery outlets, thus improve the heating uniformity of micro-wave oven, improve the efficiency of heating surface of micro-wave oven, adding users is experienced.Further, multiple waveguide mouths of this microwave heating equipment share a microwave source, and are controlled by multiple RF switch, thus this apparatus structure simple, realize that cost is low, applying flexible.
Particularly, described microwave source comprises: voltage controlled oscillator and amplifier, and wherein, described voltage controlled oscillator has multiple vibration frequency, and the vibration frequency of described voltage controlled oscillator is controlled by described controller.
Further, described controller also comprises: detector, described detector is for detecting the reflection power reflected through described multiple radio frequency delivery outlet from described multiple waveguide mouth, wherein, described controller controls described voltage controlled oscillator and works on described multiple vibration frequency respectively, and the reflection power of the described multiple waveguide mouths detected according to described detector obtains total reflection power corresponding to each described vibration frequency, the described controller vibration frequency of selecting minimum total reflection power corresponding is as the working frequency points of described voltage controlled oscillator.
Preferably, the waveguide mouth that the reflection power determination minimum reflected power of described multiple waveguide mouths that described controller detects according to described detector is corresponding, and control waveguide mouth corresponding to described minimum reflected power and export microwave, and control other waveguide mouths and close.
Further, described microwave heating equipment also comprises: radio-frequency cable, and described multiple radio frequency delivery outlet is connected with described multiple waveguide mouth respectively by described radio-frequency cable.
For achieving the above object, the present invention on the other hand embodiment proposes a kind of control method of microwave heating equipment, described microwave heating equipment has microwave source, multiple waveguide mouth, multiple RF switch and the multiple radio frequency delivery outlets corresponding with described multiple RF switch, said method comprising the steps of: S1, control described multiple RF switch, export microwave to make at least one the radio frequency delivery outlet in radio frequency delivery outlet multiple described in each time period; S2, when the heat time reaches Preset Time, controls described microwave heating equipment and stops heating.
According to the control method of the microwave heating equipment that the embodiment of the present invention proposes, the vibration frequency selecting minimum total reflection power corresponding is as the working frequency points of voltage controlled oscillator, and control multiple RF switch, microwave is exported to make at least one the radio frequency delivery outlet in multiple radio frequency delivery outlet of each time period, when reaching Preset Time, controlling microwave heating equipment and terminating heating.Like this, export microwave by switching different radio frequency delivery outlets, thus improve the heating uniformity of micro-wave oven, improve the efficiency of heating surface of micro-wave oven, adding users is experienced.
Particularly, described microwave source comprises voltage controlled oscillator, and described voltage controlled oscillator has multiple vibration frequency, before described step S1, also comprises: the vibration frequency selecting minimum total reflection power corresponding is as the working frequency points of described voltage controlled oscillator.
Particularly, specifically comprised before step S1: select initial vibration frequency as the working frequency points of described voltage controlled oscillator; Control described multiple RF switch alternately to open, detect the reflection power of corresponding waveguide mouth when each RF switch is opened, and obtain total reflection power of described multiple waveguide mouth; Adjust the working frequency points of described voltage controlled oscillator, until obtain total reflection power that in described multiple vibration frequency, each vibration frequency is corresponding; Obtain the vibration frequency that minimum total reflection power is corresponding.
Preferably, described step S2 specifically comprises: the waveguide mouth that the reflection power determination minimum reflected power of described multiple waveguide mouths of detection is corresponding; Control waveguide mouth corresponding to described minimum reflected power and export microwave, and control the closedown of other waveguide mouths.
The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, wherein:
Fig. 1 is the block diagram of the microwave heating equipment according to the embodiment of the present invention;
Fig. 2 is the structural representation of the microwave heating equipment according to the present invention's specific embodiment;
Fig. 3 is the structural representation of the microwave heating equipment according to another specific embodiment of the present invention;
Fig. 4 is the circuit diagram of the high-power RF electronic switch of microwave heating equipment according to another specific embodiment of the present invention;
Fig. 5 is the flow chart of the control method of microwave heating equipment according to the embodiment of the present invention;
Fig. 6 is the flow chart obtaining vibration frequency corresponding to minimum total reflection power in the control method according to the microwave heating equipment of the present invention's specific embodiment;
Fig. 7 is the flow chart of the control method of microwave heating equipment in accordance with a preferred embodiment of the present invention; And
Fig. 8 is the flow chart of the control method of microwave heating equipment according to another preferred embodiment of the present invention.
Reference numeral:
Heating clamber 1, microwave source 2, multiple waveguide mouth 3, multiple RF switch 4, multiple radio frequency delivery outlet 5, controller 6, voltage controlled oscillator 21, amplifier 22, radio-frequency cable 7 and detector 8.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.
In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
With reference to description below and accompanying drawing, these and other aspects of embodiments of the invention will be known.Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, representing some modes of the principle implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.
The control method of microwave heating equipment and the microwave heating equipment proposed according to the embodiment of the present invention is described with reference to the accompanying drawings.
Fig. 1 is the block diagram of the microwave heating equipment according to the embodiment of the present invention.As shown in Figure 1, this microwave heating equipment comprises: heating clamber 1, microwave source 2, multiple waveguide mouth 3, multiple RF switch 4, multiple radio frequency delivery outlet 5 and controller 6.Wherein, microwave source 2 is for generation of microwave; Multiple waveguide mouth 3 is positioned on heating clamber 1, and preferably multiple waveguide mouth 3 lays respectively at the different lateral of heating clamber 1; Multiple radio frequency delivery outlet 5 is corresponding with multiple RF switch 4 to be respectively connected, and multiple radio frequency delivery outlet 5 is corresponding with multiple waveguide mouth 3 connected respectively, and multiple RF switch 4 is all connected with microwave source 2; Controller 6 controls multiple RF switch 4, exports microwave to make at least one the radio frequency delivery outlet in multiple radio frequency delivery outlet 5 of each time period.
In a preferred embodiment of the invention, controller 6 controls multiple RF switch 4 alternately and opens, and exports microwave to control multiple radio frequency delivery outlet 5 alternately.Certainly in other embodiments of the invention, also can adopt other control mode, if such as multiple waveguide mouth 3 lays respectively at the different lateral of heating clamber 1, then controller 6 also can control two relative waveguide mouths 3 and export microwave, other waveguide mouth is closed, etc.Therefore can find out, can adopt multiple control mode in the present invention, above-mentioned example is only schematic, is not construed as limiting the present invention.
Specifically, in order to clearer understanding can be had to the present invention, describe in detail below in conjunction with Fig. 2.As shown in Figure 2, be the structural representation of the microwave heating equipment according to the present invention's specific embodiment.
Multiple waveguide mouth 3 such as 3 waveguide mouths can lay respectively at the upside of heating clamber 1, left side and right side.Further, microwave is input to the mode of heating clamber 1 by multiple waveguide mouth 3 can be Antenna Type or probe-type.Corresponding with 3 waveguide mouths, multiple RF switch 4 can be 3, such as the first RF switch S1, the second RF switch S2, the 3rd RF switch S3.
Particularly, as shown in Figure 2, microwave source 2 comprises: voltage controlled oscillator 21 and amplifier 22, and wherein, voltage controlled oscillator 21 has multiple vibration frequency, and the vibration frequency of voltage controlled oscillator 21 is controlled by controller 6.Specifically, controller 6 can arrange the vibration frequency of voltage controlled oscillator 21 by the control voltage controlling voltage controlled oscillator 21.
As shown in Figure 2, above-mentioned microwave heating equipment also comprises: radio-frequency cable 7.Multiple radio frequency delivery outlet 5 is connected with multiple waveguide mouth 3 respectively by radio-frequency cable 7.
Further, as shown in Figure 2, this microwave heating equipment also comprises: detector 8.Specifically, detector 8 is for detecting the reflection power reflected through multiple radio frequency delivery outlet 5 from multiple waveguide mouth 3, that is, detector 8 is for detecting the reflection power reflected to amplifier 22 via radio-frequency cable 7, multiple radio frequency delivery outlet 5 from multiple waveguide mouth 3.
Wherein, controller 6 controls voltage controlled oscillator 21 and works on multiple vibration frequency respectively, and obtaining total reflection power corresponding to each vibration frequency according to the reflection power of multiple waveguide mouths 3 that detector 8 detects, the controller 6 vibration frequency of selecting minimum total reflection power corresponding is as the working frequency points of voltage controlled oscillator 21.
That is, controller 6 can obtain and store the reflection power of each waveguide mouth corresponding to multiple vibration frequency, and calculating the summation of the reflection power of the multiple waveguide mouths 3 corresponding to each vibration frequency, contrast draws the vibration frequency that minimum total reflection power is corresponding.Specifically, first setting initial vibration frequency is as the working frequency points of voltage controlled oscillator 21, and afterwards, controller 6 control S1 opens, and S2, S3 close, and detector 8 detects the reflection power of the corresponding waveguide mouth of S1, and controller 6 obtains and stores reflection power; Control S2 opens again, and S1, S3 disconnect, and detector 8 detects the reflection power of the corresponding waveguide mouth of S2, and controller 6 obtains and stores reflection power; Control S3 opens again, S1, S2 disconnect, detector 8 detects the reflection power of the corresponding waveguide mouth of S3, controller 6 obtains and stores reflection power, like this, calculates the summation of the reflection power of multiple waveguide mouth 3, thus, the reflection power of multiple waveguide mouths 3 that can detect according to detector 8, thus obtain total reflection power corresponding to each vibration frequency, controller 6 obtains vibration frequency corresponding to minimum total reflection power.
In a preferred embodiment of the invention, controller 6 controls multiple RF switch 4 alternately and opens, make multiple radio frequency delivery outlet 5 in turn with microwave source 2 conducting, thus from the waveguide mouth of diverse location, microwave to be input in heating clamber 1 in turn.Such as, first, select minimum total reflection power vibration frequency to be set as heating frequency, afterwards, controller 6 control S1 opens, and S2, S3 close, heating preset interval time such as 5s; Control S2 opens again, and S1, S3 close, heating preset interval time such as 5s; Control S3 opens again, and S1, S2 close, heating preset interval time such as 5s.Like this, controller 6 controls multiple RF switch 4 alternately and opens, until the heat time reaches Preset Time, stops heating.Wherein, Preset Time can be more than or equal to preset interval time.
In another preferred embodiment of the invention, the waveguide mouth that the reflection power determination minimum reflected power of multiple waveguide mouths 3 that controller 6 detects according to detector 8 is corresponding, and control waveguide mouth output microwave corresponding to minimum reflected power, and control the closedown of other waveguide mouths.Thus the efficiency of heating surface of micro-wave oven can be improved.
That is, first, select minimum total reflection power vibration frequency to be set as heating frequency, afterwards, controller 6, according to the reflection power of each waveguide mouth corresponding to this vibration frequency stored, calculates the waveguide mouth that minimum reflected power is corresponding; And control waveguide mouth output microwave corresponding to minimum reflected power, and control the closedown of other waveguide mouths, heat; When the heat time reaches Preset Time, heating completes.
In another specific embodiment of the present invention, multiple RF switch 4 can be high-power RF electronic switch, and amplifier 22 can be semiconductor power amplifier.As shown in Figure 3, semiconductor power amplifier is connected with multiple radio frequency delivery outlet 5 by multiple high-power RF electronic switch, controller 6 alternately controls the unlatching of multiple high-power RF electronic switch, make multiple radio frequency delivery outlet 5 and the conducting of microwave source 2 alternately, thus switch the radio frequency delivery outlet output microwave being positioned at diverse location.Wherein, Fig. 4 is the circuit diagram of the high-power RF electronic switch of microwave heating equipment according to another specific embodiment of the present invention.
According to the microwave heating equipment that the embodiment of the present invention proposes, multiple RF switch is controlled by controller, microwave is exported to make at least one the radio frequency delivery outlet in multiple radio frequency delivery outlet of each time period, like this, microwave is exported by switching different radio frequency delivery outlets, thus improve the heating uniformity of micro-wave oven, improve the efficiency of heating surface of micro-wave oven, adding users is experienced.Further, multiple waveguide mouths of this microwave heating equipment share a microwave source, and are controlled by multiple RF switch, thus this apparatus structure simple, realize that cost is low, applying flexible.
Fig. 5 is the flow chart of the control method of microwave heating equipment according to the embodiment of the present invention.This microwave heating equipment has microwave source, multiple waveguide mouth, multiple RF switch and the multiple radio frequency delivery outlets corresponding with multiple RF switch, and wherein, microwave source comprises voltage controlled oscillator, and voltage controlled oscillator has multiple vibration frequency.As shown in Figure 5, the control method of this microwave heating equipment comprises the following steps:
S1, controls multiple RF switch, exports microwave to make at least one the radio frequency delivery outlet in multiple radio frequency delivery outlet of each time period.
S2, when the heat time reaches Preset Time, controls microwave heating equipment and stops heating.
Also comprised before step S1: the vibration frequency selecting minimum total reflection power corresponding is as the working frequency points of voltage controlled oscillator.
Particularly, comprised before step S1: select initial vibration frequency as the working frequency points of voltage controlled oscillator; Control multiple RF switch alternately to open, detect the reflection power of corresponding waveguide mouth when each RF switch is opened, and obtain total reflection power of multiple waveguide mouth; The working frequency points of adjustment voltage controlled oscillator, until obtain total reflection power that in multiple vibration frequency, each vibration frequency is corresponding; Obtain the vibration frequency that minimum total reflection power is corresponding.Like this, as shown in Figure 6, the vibration frequency obtaining minimum total reflection power corresponding comprises the following steps:
S601, the initial vibration frequency of setting voltage controlled oscillator.
S602, S1 open, and S2, S3 close, detection of reflected power.
S603, S2 open, and S1, S3 close, detection of reflected power.
S604, S3 open, and S1, S2 close, detection of reflected power.
S605, the summation of computational reflect power.
S606, judges whether multiple vibration frequency has all detected.If so, then step S608 is performed; If not, then step S607 is performed.
S607, adjustment vibration frequency, returns step S602.
S608, obtains the vibration frequency that minimum total reflection power is corresponding, and is set to the working frequency points of voltage controlled oscillator.
In a preferred embodiment of the invention, control multiple RF switch alternately and open, export microwave to control multiple radio frequency delivery outlet alternately.As shown in Figure 7, comprise the following steps:
S701, the vibration frequency selecting minimum total reflection power corresponding is as the working frequency points of voltage controlled oscillator.
S702, S1 open, and S2, S3 close, heating preset interval time such as 5s.
S703, S2 open, and S1, S3 close, heating preset interval time such as 5s.
S704, S3 open, and S1, S2 close, heating preset interval time such as 5s.
S705, judges whether the heat time reaches Preset Time.If so, then step S706 is performed; If not, then step S702 is returned.
Wherein, Preset Time can be more than or equal to preset interval time.
S706, stops heating.
Certainly, in other embodiments of the invention, also can adopt other control mode, if such as multiple waveguide mouth lays respectively at the different lateral of heating clamber, then controller also can control two relative waveguide mouths and export microwave, and other waveguide mouth is closed, etc.Therefore can find out, can adopt multiple control mode in the present invention, above-mentioned example is only schematic, is not construed as limiting the present invention.
In a preferred embodiment of the invention, step S2 specifically comprises, the waveguide mouth that the reflection power determination minimum reflected power of multiple waveguide mouths of detection is corresponding, and the waveguide mouth controlling minimum reflected power corresponding exports microwave, and controls other waveguide mouths and close.As shown in Figure 8, comprise the following steps:
S801, the vibration frequency selecting minimum total reflection power corresponding is as the working frequency points of voltage controlled oscillator.
S802, calculates the waveguide mouth that minimum reflected power is corresponding.
S803, the RF switch controlling waveguide mouth corresponding to minimum reflected power is opened, and the switch controlling other waveguide mouths cuts out.
S804, judges whether the heat time reaches Preset Time.If so, then step S805 is performed; If not, then step S804 is returned.
S805, stops heating.
According to the control method of the microwave heating equipment that the embodiment of the present invention proposes, the vibration frequency selecting minimum total reflection power corresponding is as the working frequency points of voltage controlled oscillator, and control multiple RF switch, microwave is exported to make at least one the radio frequency delivery outlet in multiple radio frequency delivery outlet of each time period, when reaching Preset Time, controlling microwave heating equipment and terminating heating.Like this, export microwave by switching different radio frequency delivery outlets, thus improve the heating uniformity of micro-wave oven, improve the efficiency of heating surface of micro-wave oven, adding users is experienced.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random-access memory (ram), read-only storage (ROM), erasablely edit read-only storage (EPROM or flash memory), fiber device, and portable optic disk read-only storage (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only storage, disk or CD etc.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.
Claims (9)
1. a microwave heating equipment, is characterized in that, comprising:
Heating clamber;
For generation of the microwave source of microwave;
Be positioned at the multiple waveguide mouths on described heating clamber;
Multiple RF switch and the multiple radio frequency delivery outlets corresponding with described multiple RF switch, wherein, described multiple radio frequency delivery outlet is corresponding with described multiple waveguide mouth to be respectively connected, and described multiple RF switch is connected with described microwave source; And
Controller, described controller controls described multiple RF switch, exports microwave to make at least one the radio frequency delivery outlet in radio frequency delivery outlet multiple described in each time period.
2. microwave heating equipment as claimed in claim 1, it is characterized in that, described microwave source comprises:
Voltage controlled oscillator and amplifier, wherein, described voltage controlled oscillator has multiple vibration frequency, and the vibration frequency of described voltage controlled oscillator is controlled by described controller.
3. microwave heating equipment as claimed in claim 2, is characterized in that, also comprise:
Detector, described detector is for detecting the reflection power reflected through described multiple radio frequency delivery outlet from described multiple waveguide mouth, wherein, described controller controls described voltage controlled oscillator and works on described multiple vibration frequency respectively, and the reflection power of the described multiple waveguide mouths detected according to described detector obtains total reflection power corresponding to each described vibration frequency, the described controller vibration frequency of selecting minimum total reflection power corresponding is as the working frequency points of described voltage controlled oscillator.
4. microwave heating equipment as claimed in claim 3, it is characterized in that, the waveguide mouth that the reflection power determination minimum reflected power of described multiple waveguide mouths that described controller detects according to described detector is corresponding, and control waveguide mouth output microwave corresponding to described minimum reflected power, and control the closedown of other waveguide mouths.
5. microwave heating equipment as claimed in claim 1, is characterized in that, also comprise:
Radio-frequency cable, described multiple radio frequency delivery outlet is connected with described multiple waveguide mouth respectively by described radio-frequency cable.
6. a control method for microwave heating equipment, is characterized in that, described microwave heating equipment has microwave source, multiple waveguide mouth, multiple RF switch and the multiple radio frequency delivery outlets corresponding with described multiple RF switch, said method comprising the steps of:
S1, controls described multiple RF switch, exports microwave to make at least one the radio frequency delivery outlet in radio frequency delivery outlet multiple described in each time period; And
S2, when the heat time reaches Preset Time, controls described microwave heating equipment and stops heating.
7. the control method of microwave heating equipment as claimed in claim 6, described microwave source comprises voltage controlled oscillator, and described voltage controlled oscillator has multiple vibration frequency, it is characterized in that, before described step S1, also comprises:
The vibration frequency selecting minimum total reflection power corresponding is as the working frequency points of described voltage controlled oscillator.
8. the control method of microwave heating equipment as claimed in claim 6, is characterized in that, before step S1, also comprise:
Select initial vibration frequency as the working frequency points of described voltage controlled oscillator;
Control described multiple RF switch alternately to open, detect the reflection power of corresponding waveguide mouth when each RF switch is opened, and obtain total reflection power of described multiple waveguide mouth;
Adjust the working frequency points of described voltage controlled oscillator, until obtain total reflection power that in described multiple vibration frequency, each vibration frequency is corresponding; And
Obtain the vibration frequency that minimum total reflection power is corresponding.
9. the control method of microwave heating equipment as claimed in claim 8, it is characterized in that, described step S2 specifically comprises:
The waveguide mouth that the reflection power determination minimum reflected power of described multiple waveguide mouths detected is corresponding;
Control waveguide mouth corresponding to described minimum reflected power and export microwave, and control the closedown of other waveguide mouths.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310535997.6A CN104613513A (en) | 2013-11-01 | 2013-11-01 | Microwave heating device, and controlling method thereof |
| PCT/CN2014/085577 WO2015062355A1 (en) | 2013-11-01 | 2014-08-29 | Microwave heating device and control method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310535997.6A CN104613513A (en) | 2013-11-01 | 2013-11-01 | Microwave heating device, and controlling method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104613513A true CN104613513A (en) | 2015-05-13 |
Family
ID=53003285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310535997.6A Pending CN104613513A (en) | 2013-11-01 | 2013-11-01 | Microwave heating device, and controlling method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104613513A (en) |
| WO (1) | WO2015062355A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642232A (en) * | 2016-09-27 | 2017-05-10 | 广东美的厨房电器制造有限公司 | Microwave oven |
| CN109587861A (en) * | 2018-12-29 | 2019-04-05 | 京信通信系统（中国）有限公司 | A kind of multifrequency solid state microwave furnace and the heating means using multifrequency solid state microwave furnace |
| CN110169200A (en) * | 2017-01-10 | 2019-08-23 | 松下电器产业株式会社 | Magnetic distribution adjusts device and microwave heating equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010073383A (en) * | 2008-09-17 | 2010-04-02 | Panasonic Corp | Microwave heating apparatus |
| CN101743778A (en) * | 2007-07-13 | 2010-06-16 | 松下电器产业株式会社 | Microwave heating device |
| CN102934518A (en) * | 2011-04-19 | 2013-02-13 | 松下电器产业株式会社 | High frequency heating apparatus |
| US20130206749A1 (en) * | 2012-02-10 | 2013-08-15 | Goji Ltd. | Apparatus and Method for Improving Efficiency of RF Heating |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03129696A (en) * | 1989-10-13 | 1991-06-03 | Sanyo Electric Co Ltd | Microwave heating device |
| KR19990026281A (en) * | 1997-09-23 | 1999-04-15 | 윤종용 | Microwave Disperser |
| JP5239229B2 (en) * | 2007-07-04 | 2013-07-17 | パナソニック株式会社 | Microwave heating device |
| CN102769952B (en) * | 2012-07-18 | 2015-03-11 | 广东格兰仕微波炉电器制造有限公司 | Semiconductor microwave oven and semiconductor microwave generator connecting structure for same |
-
2013
- 2013-11-01 CN CN201310535997.6A patent/CN104613513A/en active Pending
-
2014
- 2014-08-29 WO PCT/CN2014/085577 patent/WO2015062355A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101743778A (en) * | 2007-07-13 | 2010-06-16 | 松下电器产业株式会社 | Microwave heating device |
| JP2010073383A (en) * | 2008-09-17 | 2010-04-02 | Panasonic Corp | Microwave heating apparatus |
| CN102934518A (en) * | 2011-04-19 | 2013-02-13 | 松下电器产业株式会社 | High frequency heating apparatus |
| US20130206749A1 (en) * | 2012-02-10 | 2013-08-15 | Goji Ltd. | Apparatus and Method for Improving Efficiency of RF Heating |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642232A (en) * | 2016-09-27 | 2017-05-10 | 广东美的厨房电器制造有限公司 | Microwave oven |
| CN110169200A (en) * | 2017-01-10 | 2019-08-23 | 松下电器产业株式会社 | Magnetic distribution adjusts device and microwave heating equipment |
| CN110169200B (en) * | 2017-01-10 | 2021-10-19 | 松下电器产业株式会社 | Electromagnetic field distribution adjusting device and microwave heating device |
| CN109587861A (en) * | 2018-12-29 | 2019-04-05 | 京信通信系统（中国）有限公司 | A kind of multifrequency solid state microwave furnace and the heating means using multifrequency solid state microwave furnace |
| CN109587861B (en) * | 2018-12-29 | 2021-11-12 | 京信网络系统股份有限公司 | Multi-frequency solid-state microwave oven and heating method using same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015062355A1 (en) | 2015-05-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10667337B2 (en) | Method of control of a multifeed radio frequency device | |
| US11277890B2 (en) | Microwave heating apparatus and method of operating such a microwave heating apparatus | |
| US20160323940A1 (en) | Method of calibrating a multifeed radio frequency device | |
| EP3120665B2 (en) | Solid-state microwave device | |
| CN104613513A (en) | Microwave heating device, and controlling method thereof | |
| JP2020514943A (en) | System and method for detecting changes in food load characteristics using coefficient of variation of efficiency | |
| EP4068907A1 (en) | Cooking appliance, method for controlling cooking appliance, and cooking system | |
| CN104180406A (en) | Thawing method and system for microwave oven and microwave oven | |
| CN105114993A (en) | Microwave heating equipment and heating control method | |
| CN105928021A (en) | Method and device for controlling power of cooking appliance and cooking appliance thereof | |
| CN104344434A (en) | Microwave oven and control method thereof | |
| CN103574706B (en) | Bull electromagnetic stove and method for heating and controlling thereof | |
| CN105351981A (en) | Heating method and heating device | |
| CN104244481B (en) | The method for heating and controlling of electromagnetic induction heater and electromagnetic induction heater | |
| CN205430656U (en) | Hybrid heating control circuit and electromagnetic heating equipment | |
| KR20140088323A (en) | Induction heat cooking apparatus and method for controlling of output level the same | |
| Dibben et al. | Frequency domain vs. time domain finite element methods for calculation of fields in multimode cavities | |
| CN205430655U (en) | Hybrid heating control circuit and electromagnetic heating equipment | |
| US10925126B2 (en) | Cooker | |
| US20170071036A1 (en) | Apparatus for providing rf stirring with solid state components | |
| CN204385476U (en) | Washing machine | |
| CN105671856A (en) | Washing machine and washing control method thereof | |
| CN104981038B (en) | The control method and device of frequency converter in micro-wave oven | |
| CN109661056B (en) | Microwave equipment | |
| CN112303759B (en) | Electrical equipment and control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150513 |
|
| RJ01 | Rejection of invention patent application after publication |