CN106304451A - A kind of wireless power heating system - Google Patents
A kind of wireless power heating system Download PDFInfo
- Publication number
- CN106304451A CN106304451A CN201610847487.6A CN201610847487A CN106304451A CN 106304451 A CN106304451 A CN 106304451A CN 201610847487 A CN201610847487 A CN 201610847487A CN 106304451 A CN106304451 A CN 106304451A
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- China
- Prior art keywords
- energy
- heated
- wireless power
- heating system
- resonance coil
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Classifications
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- 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
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
- H05B6/1209—Cooking devices induction cooking plates or the like and devices to be used in combination with them
- H05B6/1236—Cooking devices induction cooking plates or the like and devices to be used in combination with them adapted to induce current in a coil to supply power to a device and electrical heating devices powered in this way
Abstract
The open a kind of wireless power heating system of the present invention, including the transmitting coil for launching magnetic energy, for receiving magnetic energy and being translated into the resonance coil of electric energy and in parallel with described resonance coil and the electric energy being transformed is again converted to magnetic energy for emission, with the resonant capacitance heated metallic object to be heated by electromagnetic induction phenomenon.Wherein, transmitting coil converts electrical energy into magnetic energy and outwardly sends, resonance coil receives magnetic energy and is re-converted into electric energy, and the electric energy being converted to is again converted to magnetic energy and sends it at metallic object to be heated by resonant capacitance, and is heated it by electromagnetic induction phenomenon.The magnetic energy sent from transmitting coil due to heat energy, passage in transit multiple energy converts the heating finally realized metallic object to be heated, period is without introducing city's electric energy by power line, only realized the transmission of energy by the magnetic field energy in space, from root, therefore stop the circuit safety accidents such as electric shock electric leakage.
Description
Technical field
The present invention relates to wireless power technical field, particularly to a kind of wireless power heating system.
Background technology
Along with the development of China Power technology, increasing power electronic equipment is used widely.
In electric cooker industry, the most typically there are two kinds of common types, i.e. directly-heated type electric cooker and sensing heating electric rice cooker.
Wherein, directly-heated type electric cooker can only be at bottom-heated, inequality of being heated, and even burns, bottom appearance, the phenomenon that surface is sandwich.For gram
Take the defect of directly-heated type electric cooker, use the Novel rice cooker of electromagnetic induction heating the most also to come into vogue.With directly-heated type electricity
Rice cooker is compared, and sensing heating electric rice cooker can carry out Omnibearing even heating to pot, and the quality of meal is higher.
But, either directly-heated type electric cooker or induction heating type electric cooker, the most do not break away from the constraint of power line, this
Class heating equipment must be introduced directly into civil power as operating power source, and the power of heating equipment is the highest, when deployed between
Time longer, electric leakage, the accident got an electric shock easily occur.
Therefore, how when using heating equipment, from root, stop the security incidents such as electric leakage electric shock, be art technology
The technical problem that personnel are urgently to be resolved hurrily.
Summary of the invention
It is an object of the invention to provide a kind of wireless power heating system, it is possible in use, from root, stop electric leakage
Electric shock and other safety accidents.
For solving above-mentioned technical problem, the present invention provides a kind of wireless power heating system, including for launching magnetic energy
Transmitting coil, for receive magnetic energy and be translated into electric energy resonance coil and in parallel with described resonance coil and general conversion
Electric energy be again converted to magnetic energy for emission, with by electromagnetic induction phenomenon, metallic object to be heated is heated resonance electricity
Hold.
Preferably, described resonance coil be arranged in parallel with described transmitting coil, and the side of described resonance coil is with described
The surface of transmitting coil is the most right, and the opposite side of described resonance coil is the most right with the surface of described metallic object to be heated.
Preferably, also include that several are in parallel with described resonance coil, for reducing described resonance coil and resonant capacitance
The range of decrease electric capacity of peak swing.
Preferably, the branch road at each described range of decrease electric capacity place is all in series with the switching molding for controlling self break-make
Block.
Preferably, described switch module is mechanical switch or electrical switch.
Preferably, also include in parallel with described resonance coil, for described electrical switch is formed DC control supply
Rectification module.
Preferably, described rectification module includes the current rectifying and wave filtering circuit in parallel with described resonance coil and DC voltage-stabilizing electricity
Road.
Preferably, also include the temperature sensor for detecting described metallic object temperature to be heated and pass with described temperature
Sensor signal connects, for controlling the control module of each described electrical switch break-make according to temperature detection value.
Preferably, the communication module being connected with described control module signal, making itself and communicating terminal communicate also is included.
Preferably, it is provided with between described control module and each described electrical switch and is produced for strengthening described control module
The driving signal amplifier of raw control signal.
Wireless power heating system provided by the present invention, mainly includes transmitting coil, resonance coil and resonant capacitance.Its
In, transmitting coil is mainly used in converting electrical energy into magnetic energy and outwardly sending, and resonance coil is mainly used in receiving transmitting coil
The magnetic energy launched also is re-converted into electric energy, and resonant capacitance is in parallel with resonance coil, and (after parallel connection, resonance coil is harmonious
The electric capacity that shakes commonly referred to collectively as relays resonant ring), the electric energy being mainly used in being converted to by resonance coil is again converted to magnetic energy and incites somebody to action
It sends to metallic object to be heated, adds to produce eddy current by electromagnetic induction phenomenon in metallic object to be heated
Heat.Wireless power heating system provided by the present invention, due to the heat energy of metallic object to be heated from transmitting coil institute
The magnetic energy sent, the multiple energy conversion process of passage in transit magnetic energy-electric energy-magnetic energy-electric energy-interior energy finally realizes to be heated
The heating of metallic object, period without by power line introducing city electric energy, only realizing the biography of energy by the magnetic field energy in space
Passing, resonance coil contacts even without with electrical equipment or metallic object to be heated with resonant capacitance, therefore shuts out from root
The absolutely circuit safety accidents such as electric shock electric leakage.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to
The accompanying drawing provided obtains other accompanying drawing.
Fig. 1 is the overall structure schematic diagram of a kind of detailed description of the invention provided by the present invention；
Fig. 2 is the concrete structure schematic diagram of the A structure shown in Fig. 1；
Fig. 3 is a kind of circuit structure diagram of range of decrease electric capacity and switch module mating reaction；
Fig. 4 is the another kind of circuit structure diagram of range of decrease electric capacity and switch module mating reaction；
Fig. 5 is a kind of circuit structure diagram after setting up rectification module；
Fig. 6 is a kind of circuit structure diagram after setting up temperature sensor, control module and communication module.
Wherein, in Fig. 1 Fig. 6:
Relaying resonant ring A, transmitting coil 1, resonance coil 2, resonant capacitance 3, range of decrease electric capacity 4, switching molding
Block 5, rectification module 6, temperature sensor 7, control module 8, communication module 9, drive signal amplifier 10.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise
Embodiment, broadly falls into the scope of protection of the invention.
Refer to the overall structure schematic diagram that Fig. 1, Fig. 1 are a kind of detailed description of the invention provided by the present invention.
In a kind of detailed description of the invention provided by the present invention, wireless power heating system mainly include transmitting coil 1,
Resonance coil 2 and resonant capacitance 3.(the arrow in figure as in figure 2 it is shown, the concrete structure schematic diagram that Fig. 2 is the A structure shown in Fig. 1
Represent magnetic direction, inwardly for receiving, outwards for sending).
Wherein, transmitting coil 1 is mainly used in converting electrical energy into magnetic energy and outwardly sending, resonance coil 2 (L in figure)
Be mainly used in receiving the magnetic energy launched of transmitting coil 1 and being re-converted into electric energy, and resonant capacitance 3 (C in figure) with
Resonance coil 2 (resonance coil 2 and resonant capacitance 3 commonly referred to collectively as relaying resonant ring A after parallel connection) in parallel, is mainly used in resonance
The electric energy that coil 2 is converted to is again converted to magnetic energy and sends it at metallic object to be heated, to pass through electromagnetic induction phenomenon
In metallic object to be heated, produce eddy current thus it is heated.
So, wireless power heating system provided by the present invention, due to the heat energy of metallic object to be heated from
The magnetic energy that transmitting coil 1 is sent, the multiple energy conversion process of passage in transit magnetic energy-electric energy-magnetic energy-electric energy-interior energy is final
Realizing the heating to metallic object to be heated, period, without introducing city's electric energy by power line, only passes through the magnetic field energy in space
Realize the transmission of energy, resonance coil 2 and resonant capacitance 3 to contact even without with electrical equipment or metallic object to be heated,
Therefore from root, the circuit safety accidents such as electric shock electric leakage have been stopped.
For improving energy transmission between transmitting coil 1, resonance coil 2 and resonant capacitance 3, transformation efficiency, it is preferable that
Resonance coil 2 can be arranged in parallel with transmitting coil 1, meanwhile, the side of resonance coil 2 is the most right with the surface of transmitting coil 1,
And the opposite side of resonance coil 2 is the most right with the surface of metallic object to be heated.It is arranged such, the magnetic energy that transmitting coil 1 is launched
Signal can pass completely through resonance coil 2 and be received, it is to avoid energy dissipation, and the opposite side of resonance coil 2 and gold to be heated
The surface belonging to body is the most right, then can improve the strength of vortex that electromagnetic induction phenomenon produces to a certain extent, improves the efficiency of heating surface.And
For the metallic object to be heated of some complex surface, during the firing equipment of trapezoidal shape such as such as electric cooker etc., can be suitably by humorous
The coil 2 that shakes bends, to cover its whole outer surface.
In the another kind of detailed description of the invention that invention is provided, it is contemplated that existing electric power firing equipment, such as electromagnetism
Stoves etc. are that the eddy current effect utilizing metal is made, and its basic functional principle is: metal furnaces be placed in the magnetic field of an alternation,
Metal material induced inside forms powerful eddy current and generates heat, and for the control of this process, such as power adjusts, the time controls
All carry out at transmitting terminal with temperature monitoring etc., and actually real needs monitoring is heated one end, therefore for carrying
The high present invention is accurate to the heating and temperature control of metallic object to be heated, is additionally arranged several range of decrease electric capacity 4 (in figure in the present embodiment
C1, C2).
Need to know, the relaying resonant ring A formed after resonance coil 2 and resonant capacitance 3 parallel connection, its operationally, its resonance
State can only be carried out with peak swing state, i.e. can only heat metallic object to be heated with peak power, although heating speed
Rate quickly, but needs precisely controlled.And the Main Function of range of decrease electric capacity 4 is i.e. to reduce resonance coil 2 and resonant capacitance 3
Peak swing in resonant condition, limits the upper limit of its peak swing, thus reduces the resonant capacity of relaying resonant ring A, reduce
The energy received and convert, and then the heats to metallic object to be heated is reduced.
Concrete, range of decrease electric capacity 4 need to be in parallel with resonance coil 2, i.e. in parallel with resonant capacitance 3, is equivalent to add electric capacity
Capacity, correspondingly the resonance amplitude in the resonant condition between resonant capacitance 3 and resonance coil 2 will reduce.And in order to improve fall
Width effect, can simultaneously multiple range of decrease electric capacity 4 in parallel on resonance coil 2.
Further, for enabling wireless power heating system according to practical situation, metallic object to be heated to be heated,
Improve heating and temperature control precision, in the present embodiment, the branch road at each range of decrease electric capacity 4 place has all been connected for controlling certainly
The switch module 5 of body break-make.It is arranged such that the on off operating mode that can determine each switch module 5 according to actual needs, by opening
Close the break-make ratio change of module 5, the resonance amplitude of relaying resonant ring A can be regulated in real time, thus relatively accurately control heating temperature
Degree.
As shown in Figures 3 and 4, Fig. 3 is a kind of circuit structure diagram of range of decrease electric capacity and switch module mating reaction, and Fig. 4 is
Range of decrease electric capacity and the another kind of circuit structure diagram of switch module mating reaction.
Concrete, this switch module 5 can be mechanical switch (K1, K2 in figure) or electrical switch (T1, T2 in figure) etc.,
Single-pole single-throw switch (SPST) in such as mechanical switch or the MOSFET in electrical switch, IGBT, controllable silicon BCR, SCR switch etc..
As it is shown in figure 5, Fig. 5 is a kind of circuit structure diagram after setting up rectification module.
On the basis of switch module 5 is electrical switch, the present embodiment is also additionally arranged rectification module 6.This rectification module 6
In parallel with resonance coil 2, it is mainly used in each electrical switch is formed DC control supply, controls each electrical switch to facilitate
Break-make.Concrete, this rectification module 6 mainly includes the current rectifying and wave filtering circuit in parallel with resonance coil 2 and direct current regulation circuit.Ratio
As, current rectifying and wave filtering circuit can include commutation diode D1 and filter capacitor C5, and direct current regulation circuit can include DC2DC circuit mould
Block.
As shown in Figure 6, Fig. 6 is a kind of circuit structure diagram after setting up temperature sensor, control module and communication module.
Moreover, in order to improve the control accuracy of the heating-up temperature to metallic object to be heated further, the present embodiment increases
If temperature sensor 7 and control module 8.Wherein, temperature sensor 7 is mainly for detection of the real-time temperature of metallic object to be heated
Degree, and control module 8 is connected with temperature sensor 7 signal, is mainly used in controlling each electrical switch according to temperature detection value
Break-make.
Further, the present embodiment also continues to be additionally arranged communication module 9.This communication module 9 is with control module 8 signal even
Connect, be mainly used in making control module 8 can communicate with communicating terminal, in order to control end by mobile phone A PP or PC end etc. and enter
Row Artificial Control.
And in order to improve the heating and temperature control response time to metallic object to be heated and signal reliability, the present embodiment exists
The driving signal for strengthening control signal produced by control module 8 it is provided with between control module 8 and each electrical switch
Amplifier 10 (DR1, DR2 in figure).
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one
The widest scope caused.
Claims (10)
1. a wireless power heating system, it is characterised in that include the transmitting coil for launching magnetic energy (1), be used for receiving
Magnetic energy is also translated into the resonance coil (2) of electric energy and electric energy that is in parallel with described resonance coil (2) and that will be transformed
It is again converted to magnetic energy for emission, with the resonant capacitance (3) metallic object to be heated heated by electromagnetic induction phenomenon.
Wireless power heating system the most according to claim 1, it is characterised in that described resonance coil (2) and described
Ray circle (1) be arranged in parallel, and the side of described resonance coil (2) is the most right with the surface of described transmitting coil (1), described resonance
The opposite side of coil (2) is the most right with the surface of described metallic object to be heated.
Wireless power heating system the most according to claim 1 and 2, it is characterised in that also include that several are humorous with described
Shake the range of decrease electric capacity (4) that coil (2) is in parallel, be used for reducing the peak swing of described resonance coil (2) and resonant capacitance (3).
Wireless power heating system the most according to claim 3, it is characterised in that each described range of decrease electric capacity (4) place
Branch road on be all in series with the switch module (5) for controlling self break-make.
Wireless power heating system the most according to claim 4, it is characterised in that described switch module (5) is that machinery leaves
Close or electrical switch.
Wireless power heating system the most according to claim 5, it is characterised in that also include and described resonance coil (2)
In parallel, for described electrical switch being formed the rectification module (6) of DC control supply.
Wireless power heating system the most according to claim 6, it is characterised in that described rectification module (6) includes and institute
State resonance coil (2) current rectifying and wave filtering circuit in parallel and direct current regulation circuit.
Wireless power heating system the most according to claim 7, it is characterised in that also include for detecting described to be heated
The temperature sensor (7) of metallic object temperature and being connected with described temperature sensor (7) signal, for according to temperature detection value control
Make the control module (8) of each described electrical switch break-make.
Wireless power heating system the most according to claim 8, it is characterised in that also include and described control module (8)
The communication module (9) that signal connects, makes itself and communicating terminal communicate.
Wireless power heating system the most according to claim 9, it is characterised in that described control module (8) is described with each
It is provided with between electrical switch for strengthening the driving signal amplifier of control signal produced by described control module (8)
(10)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847487.6A CN106304451A (en) | 2016-09-23 | 2016-09-23 | A kind of wireless power heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610847487.6A CN106304451A (en) | 2016-09-23 | 2016-09-23 | A kind of wireless power heating system |
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| Publication Number | Publication Date |
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| CN106304451A true CN106304451A (en) | 2017-01-04 |
Family
ID=57714843
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610847487.6A Pending CN106304451A (en) | 2016-09-23 | 2016-09-23 | A kind of wireless power heating system |
Country Status (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107482792A (en) * | 2017-08-11 | 2017-12-15 | 中惠创智（深圳）无线供电技术有限公司 | Wireless power water heater |
| CN108552962A (en) * | 2018-06-04 | 2018-09-21 | 长春中际互频科技有限公司 | A kind of heating means can heat instrument assemblies and can heat utensil |
| CN111419091A (en) * | 2020-03-24 | 2020-07-17 | 镓能半导体（佛山）有限公司 | Wireless eddy-current heating household electrical appliance system |
| US20200267806A1 (en) * | 2019-02-20 | 2020-08-20 | Lg Electronics Inc. | Wireless induction heating cooker and wireless induction heating system including same |
| WO2023110672A1 (en) * | 2021-12-15 | 2023-06-22 | BSH Hausgeräte GmbH | Induction-energy-receiving device |
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Effective date of registration: 20210304 Address after: 518000 room 133-134, No.1 International Students (Longgang) Pioneer Park, Longcheng street, Longgang District, Shenzhen City, Guangdong Province Applicant after: ZONECHARGE (SHENZHEN) WIRELESS POWER TECHNOLOGY Co.,Ltd. Address before: 264003 Mingda West Road, Laishan District, Yantai, Shandong Province, No. 11 Applicant before: ZONECHARGE WIRELESS POWER TECHNOLOGY Co.,Ltd. |
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