CN103836682B - A kind of electromagnetic oven with multiple kitchen range - Google Patents
A kind of electromagnetic oven with multiple kitchen range Download PDFInfo
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- CN103836682B CN103836682B CN201210488907.8A CN201210488907A CN103836682B CN 103836682 B CN103836682 B CN 103836682B CN 201210488907 A CN201210488907 A CN 201210488907A CN 103836682 B CN103836682 B CN 103836682B
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Abstract
The invention discloses a kind of electromagnetic oven with multiple kitchen range, comprising: Power Entry Module, for being connected with external power source；Filter rectification module, described filter rectification module is connected with described Power Entry Module, for input current is filtered rectification；Driving module, described driving module is connected with described filter rectification module, drives signal for generating according to the input current after filter rectification；Transformator, the main winding of described transformator is connected with described driving module, and the secondary winding of described transformator produces according to the driving signal inputting described main winding and drives electric current；Multiple kitchen ranges parallel with one another, and the secondary winding parallel of the plurality of kitchen range and described transformator.Use the electromagnetic oven with multiple kitchen range of the present embodiment, it is possible to the equipment cost in reduction kitchen, and avoid the waste of ample resources, and reduce equipment failure rate, reduce maintenance cost.
Description
Technical field
The present invention relates to electromagnetic heating technique field, particularly to a kind of electromagnetic oven with multiple kitchen range.
Background technology
Electromagnetic oven the most in the industry all uses a control circuit to complete heating work.Wherein, this control circuit from
Being rectified to frequency conversion and control, protection, then one high frequency alternating current of output is to load (drum), and drum produces high varying magnetic field and makees
For the bottom of a pan, the bottom of a pan is generated heat.
When the multiple electromagnetic oven of needs works simultaneously, multiple electromagnetic ovens the most all use man-to-man power supply
Mode, the most each electromagnetic oven equipment is both needed to arrange its independent power panel, and needs the place using this electromagnetic oven equipment to join
Standby more power supply input device.So, not only make the relatively costly of each kitchen, and too much power supply input device also can
Cause the wasting of resources.
Therefore, prior art has the drawback that, when a kitchen uses the work of multiple stage electromagnetic oven equipment, needs multiple
Power supply input device, its cost is greatly increased, and also correspondingly increases equipment failure rate.Additionally, prior art is line
Inductance in dish and pan composition resonance circuit, can cause the change of resonance circuit sensibility reciprocal when pan changes, thus cause by
Cause circuit unstable in pan to drum distance and material change, add maintenance cost.
Summary of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technical problem.
To this end, it is an object of the invention to propose a kind of electromagnetic oven with multiple kitchen range, it is possible to reduce the equipment in kitchen
Cost, and avoid the waste of ample resources, and reduce equipment failure rate, reduce maintenance cost.
For reaching above-mentioned purpose, the electromagnetic oven with multiple kitchen range that embodiments of the invention propose, including: power supply inputs
Module, for being connected with external power source；Filter rectification module, described filter rectification module is connected with described Power Entry Module,
For input current is filtered rectification；Driving module, described driving module is connected, for root with described filter rectification module
Generate according to the input current after filter rectification and drive signal；Transformator, the main winding of described transformator and described driving module
Being connected, the secondary winding of described transformator produces according to the driving signal inputting described main winding and drives electric current；Multiple parallel with one another
Kitchen range, and the secondary winding parallel of the plurality of kitchen range and described transformator.
The electromagnetic oven with multiple kitchen range according to embodiments of the present invention, only needs a power supply input device, it is possible to significantly
The equipment cost in reduction kitchen, and avoid the waste of ample resources, and reduce equipment failure rate, reduce and keep in repair into
This, reliability is the highest.
In one embodiment of the invention, the electromagnetic oven with multiple kitchen range also includes: EMI module, described EMI module
It is connected between described Power Entry Module and described filter rectification module.
Further, in one embodiment of the invention, described kitchen range includes: kitchen range coil, described kitchen range coil with
Described winding parallel, wherein, described kitchen range coil has multiple joint；Multiple driving switch, the plurality of driving switch divides
It is not connected with the multiple joints in described kitchen range coil.
The heating power of each kitchen range can be regulated according to multiple driving switch, control finer, it is to avoid waste of energy,
Meet the living needs of people.
In one embodiment of the invention, described driving module farther includes: the first switch element, second switch list
Unit, the 3rd switch element and the 4th switch element, described first switch element and described second switch unit are connected in series with each other
In parallel with described 3rd switch element being connected in series and described 4th switch element afterwards, described first switch element and described
Node between two switch elements is connected with one end of the main winding of described transformator, described 3rd switch element and the described 4th
Node between switch element is connected with the other end of the main winding of described transformator.
Wherein, described first switch element, second switch unit, the 3rd switch element and the 4th switch element are respectively
IGBT。
In one embodiment of the invention, the electromagnetic oven with multiple kitchen range also includes: controller, and described controller divides
Not being connected with described first switch element, second switch unit, the 3rd switch element and the 4th switch element, described controller is used
Described first switch element, second switch unit, the 3rd switch element and the 4th switch is controlled respectively single in output control signal
The turn-on and turn-off of unit.
Wherein, described control signal is pulse width modulation (PWM) signal.
Aspect and advantage that the present invention adds will part be given in the following description, and part will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Accompanying drawing explanation
The present invention above-mentioned and/or that add aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially with easy to understand, wherein:
Fig. 1 is the block diagram of the electromagnetic oven with multiple kitchen range according to the embodiment of the present invention；
Fig. 2 is the further block diagram of the electromagnetic oven with multiple kitchen range according to one embodiment of the invention；
And
Fig. 3 is the schematic diagram of a kitchen range in the electromagnetic oven with multiple kitchen range according to one example of the present invention.
Reference:
Power Entry Module 10, filter rectification module 20, driving module 30, transformator 40 and multiple kitchen range 1,2 ... N,
Main winding 41, secondary winding 42, EMI module 50, kitchen range coil 31 and multiple driving switch 32, the first switch element 11, second open
Close unit the 12, the 3rd switch element 13 and the 4th switch element 14, controller 60.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish
Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached
The embodiment that figure describes is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Following disclosure provides many different embodiments or example for realizing the different structure of the present invention.For letter
Changing disclosure of the invention, hereinafter parts and setting to specific examples are described.Certainly, they are the most merely illustrative, and
It is not intended to limit the present invention.Additionally, the present invention can in different examples repeat reference numerals and/or letter.This heavy
It is for purposes of simplicity and clarity again, the relation between itself not indicating discussed various embodiment and/or arranging.This
Outward, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art it can be appreciated that
The property of can be applicable to of other techniques and/or the use of other materials.It addition, fisrt feature described below second feature it
On " " structure can include that the first and second features are formed as the embodiment directly contacted, it is also possible to include other feature shape
Becoming the embodiment between the first and second features, such first and second features are not likely to be directly contact.
In describing the invention, it should be noted that unless otherwise prescribed and limit, term " is installed ", " being connected ",
" connect " and should be interpreted broadly, for example, it may be mechanically connected or electrical connection, it is also possible to be the connection of two element internals, can
Being to be joined directly together, it is also possible to be indirectly connected to by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
With reference to explained below and accompanying drawing, it will be clear that these and other aspects of embodiments of the invention.Describe at these
With in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, represent the enforcement implementing the present invention
Some modes of the principle of example, but it is to be understood that the scope of embodiments of the invention is not limited.On the contrary, the present invention
All changes, amendment and equivalent in the range of spirit that embodiment includes falling into attached claims and intension.
A kind of electromagnetic oven with multiple kitchen range proposed according to embodiments of the present invention is described with reference to the accompanying drawings.
As it is shown in figure 1, this electromagnetic oven with multiple kitchen range includes Power Entry Module 10, filter rectification module 20, drives
Dynamic model block 30, transformator 40 and multiple kitchen range 1,2 ... N.Wherein, N is the integer more than or equal to 2.
In the present embodiment, as it is shown in figure 1, Power Entry Module 10 is for being connected with external power source, wherein external power source
It can be the alternating current of 220V.Filter rectification module 20 is connected with Power Entry Module 10, for being filtered input current
Rectification.Drive module 30 to be connected with filter rectification module 20, drive letter for generating according to the input current after filter rectification
Number.The main winding 41 of transformator 40 is connected with driving module 30, and the secondary winding 42 of transformator 40 is according to being input to main winding 41
Driving signal to produce drives electric current to supply multiple kitchen ranges 1,2 ... N.Wherein, multiple kitchen ranges 1,2 ... N is parallel with one another, and many
Individual kitchen range 1,2 ... N is connected in parallel with the secondary winding 42 of transformator 40.
It is to say, in an embodiment of the present invention, module 30 is driven to produce according to the electric current after the filter rectification of input
High-frequency driving signal, and high-frequency driving signal after transformator 40 export resonance electric current be supplied respectively to multiple kitchen range 1,
2 ... N, it is achieved multiple kitchen ranges 1,2 ... N can carry out heating work simultaneously.
In one embodiment of the invention, as in figure 2 it is shown, the above-mentioned electromagnetic oven with multiple kitchen range also includes EMI
(Electro Magnetic Interference, electromagnetic interference) module 50, EMI module 50 is connected to Power Entry Module 10
And between filter rectification module 20.This EMI module 50 can suppress the electromagnetic oven interference to external ac power source effectively, simultaneously
Also can prevent the impact on electromagnetic oven of the High-frequency Interference in external ac power source, therefore, considerably increase this and there is multiple kitchen range
The capacity of resisting disturbance of electromagnetic oven, improve the quality of power supply of AC network.
Further, in one embodiment of the invention, as it is shown on figure 3, each kitchen range includes that kitchen range coil 31 is with many
Individual driving switch 32.Wherein, kitchen range coil 31 is in parallel with time winding 42, and, kitchen range coil 31 has multiple joint, and multiple
Driving switch 32 is connected with the multiple joints in kitchen range coil 31 respectively.In an example of the present invention, as it is shown on figure 3, many
Individual driving switch 32 can be divided into little fire, moderate heat, big fire gear, each gear correspondingly with multiple joint phases of kitchen range coil 31
Even.It is understood that according to actual needs, multiple driving switch 32 can also be carried out according to heating power carefully further
Point, the corresponding different heating power of each gear.
The heating power of each kitchen range can be regulated according to multiple driving switch 32, control finer, it is to avoid electric energy wave
Take, meet the living needs of people.
In one embodiment of the invention, as in figure 2 it is shown, drive module 30 farther include the first switch element 11,
Second switch unit the 12, the 3rd switch element 13 and the 4th switch element 14.Wherein, the first switch element 11 and second switch list
Unit 12 is in parallel with the 3rd switch element 13 being connected in series and the 4th switch element 14 after being connected in series with each other, the first switch element
11, second switch unit the 12, the 3rd switch element 13 and the 4th switch element 14 constitute full bridge circuit.First switch element 11
With the node between second switch unit 12 is connected with one end of the main winding 41 of transformator 40, the 3rd switch element 13 and the 4th
Node between switch element 14 is connected with the other end of the main winding 41 of transformator 40.
In one embodiment of the invention, as in figure 2 it is shown, the first switch element 11, second switch unit the 12, the 3rd are opened
Closing unit 13 and the 4th switch element 14 is respectively IGBT(Insulated GateBipolar Transistor, insulated gate is double
Bipolar transistor).
In one embodiment of the invention, as in figure 2 it is shown, the above-mentioned electromagnetic oven with multiple kitchen range also includes controller
60, controller 60 respectively with the first switch element 11, second switch unit the 12, the 3rd switch element 13 and the 4th switch element 14
Being connected, controller 60 is used for exporting control signal and controls the first switch element 11, second switch unit the 12, the 3rd switch list respectively
Unit 13 and the turn-on and turn-off of the 4th switch element 14.Wherein, control signal is PWM(Pulse Width Modulation, arteries and veins
Rush width modulated) signal.
In an embodiment of the present invention, the control signal of each switch element, i.e. regulation PWM letter are adjusted according to controller 60
Number dutycycle adjust drive module 30 output driving signal, thus adjust transformator 40 output driving electric current, and then
Control multiple kitchen range 1,2 ... the heating work of N.
The electromagnetic oven with multiple kitchen range according to embodiments of the present invention, only needs a power supply input device, it is possible to significantly
The equipment cost in reduction kitchen, and avoid the waste of ample resources, and reduce equipment failure rate, reduce and keep in repair into
This, reliability is the highest.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and these embodiments can be carried out multiple change without departing from the principles and spirit of the present invention, revise, replace
And modification, the scope of the present invention is limited by claims and equivalent thereof.
Claims (6)
1. an electromagnetic oven with multiple kitchen range, it is characterised in that including:
Power Entry Module, for being connected with external power source；
Filter rectification module, described filter rectification module is connected with described Power Entry Module, for filtering input current
Ripple rectification；
Driving module, described driving module is connected with described filter rectification module, for according to the input electricity after filter rectification
Stream generates and drives signal；
Transformator, the main winding of described transformator is connected with described driving module, and the secondary winding of described transformator is according to input institute
The driving signal stating main winding produces driving electric current；
Multiple kitchen ranges parallel with one another, and the secondary winding parallel of the plurality of kitchen range and described transformator, wherein, described kitchen range bag
Include:
Kitchen range coil, described kitchen range coil and described winding parallel, wherein, described kitchen range coil has multiple joint；
Multiple driving switch, the plurality of driving switch is connected with the multiple joints in described kitchen range coil respectively.
There is the electromagnetic oven of multiple kitchen range the most as claimed in claim 1, it is characterised in that also include:
EMI module, described EMI module is connected between described Power Entry Module and described filter rectification module.
There is the electromagnetic oven of multiple kitchen range the most as claimed in claim 1, it is characterised in that described driving module is wrapped further
Include:
First switch element, second switch unit, the 3rd switch element and the 4th switch element, described first switch element and institute
Described 3rd switch element stated after second switch unit is connected in series with each other and be connected in series and described 4th switch element are also
Connection, one end phase of the node between described first switch element and described second switch unit and the main winding of described transformator
Even, the other end phase of the node between described 3rd switch element and described 4th switch element and the main winding of described transformator
Even.
There is the electromagnetic oven of multiple kitchen range the most as claimed in claim 3, it is characterised in that: described first switch element, second
Switch element, the 3rd switch element and the 4th switch element are respectively IGBT.
There is the electromagnetic oven of multiple kitchen range the most as claimed in claim 4, it is characterised in that also include:
Controller, described controller is opened with described first switch element, second switch unit, the 3rd switch element and the 4th respectively
Pass unit is connected, described controller be used for exporting control signal control respectively described first switch element, second switch unit, the
Three switch elements and the turn-on and turn-off of the 4th switch element.
There is the electromagnetic oven of multiple kitchen range the most as claimed in claim 5, it is characterised in that: described control signal is pulse width
Modulation (PWM) signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488907.8A CN103836682B (en) | 2012-11-26 | 2012-11-26 | A kind of electromagnetic oven with multiple kitchen range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488907.8A CN103836682B (en) | 2012-11-26 | 2012-11-26 | A kind of electromagnetic oven with multiple kitchen range |
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| Publication Number | Publication Date |
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| CN103836682A CN103836682A (en) | 2014-06-04 |
| CN103836682B true CN103836682B (en) | 2016-12-21 |
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| CN201210488907.8A Active CN103836682B (en) | 2012-11-26 | 2012-11-26 | A kind of electromagnetic oven with multiple kitchen range |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042653A (en) * | 2015-09-10 | 2015-11-11 | 朱锦龙 | High-frequency electromagnetic induction safety power source and matched heating electric appliance |
| CN107087319B (en) * | 2017-05-15 | 2020-11-17 | 深圳拓邦股份有限公司 | Control method and device for multi-burner induction cooker |
| WO2019010642A1 (en) * | 2017-07-12 | 2019-01-17 | 深圳拓邦股份有限公司 | Electromagnetic cooker control circuit and electromagnetic cooker |
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| CN1484884A (en) * | 2002-03-12 | 2004-03-24 | 松下电器产业株式会社 | Communication radar system |
| CN101257742A (en) * | 2008-02-01 | 2008-09-03 | 卢伟文 | High frequency heating device |
| CN102484907A (en) * | 2010-01-20 | 2012-05-30 | 松下电器产业株式会社 | Induction heating apparatus |
| WO2012081221A1 (en) * | 2010-12-15 | 2012-06-21 | パナソニック株式会社 | Magnetron-driving power supply and high-frequency heating device equipped with same |
| CN102598849A (en) * | 2009-11-05 | 2012-07-18 | Bsh博世和西门子家用电器有限公司 | Cook top comprising at least two heating inductors |
| CN202973223U (en) * | 2012-11-26 | 2013-06-05 | 美的集团股份有限公司 | Induction cooker with multiple cooking ranges |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5423260B2 (en) * | 2009-09-08 | 2014-02-19 | パナソニック株式会社 | Electromagnetic cooker |
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2012
- 2012-11-26 CN CN201210488907.8A patent/CN103836682B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484884A (en) * | 2002-03-12 | 2004-03-24 | 松下电器产业株式会社 | Communication radar system |
| CN101257742A (en) * | 2008-02-01 | 2008-09-03 | 卢伟文 | High frequency heating device |
| CN102598849A (en) * | 2009-11-05 | 2012-07-18 | Bsh博世和西门子家用电器有限公司 | Cook top comprising at least two heating inductors |
| CN102484907A (en) * | 2010-01-20 | 2012-05-30 | 松下电器产业株式会社 | Induction heating apparatus |
| WO2012081221A1 (en) * | 2010-12-15 | 2012-06-21 | パナソニック株式会社 | Magnetron-driving power supply and high-frequency heating device equipped with same |
| CN202973223U (en) * | 2012-11-26 | 2013-06-05 | 美的集团股份有限公司 | Induction cooker with multiple cooking ranges |
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