CN209693087U - Magnetic isolation control circuit and cooker - Google Patents
Magnetic isolation control circuit and cooker Download PDFInfo
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- CN209693087U CN209693087U CN201920139391.3U CN201920139391U CN209693087U CN 209693087 U CN209693087 U CN 209693087U CN 201920139391 U CN201920139391 U CN 201920139391U CN 209693087 U CN209693087 U CN 209693087U
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Abstract
The utility model provides a magnetism isolation control circuit and cooking utensil, this circuit includes: electromagnetism stove the control unit, electromagnetism power supply unit and electromagnetic data receiving unit to and pan the control unit, electromagnetism receives electric unit and electromagnetic data sending unit, wherein the electromagnetism stove the control unit respectively with electromagnetism power supply unit and electromagnetic data receiving unit connection, wherein pan the control unit respectively with electromagnetism receive electric unit and electromagnetic data sending unit connection, the utility model discloses the problem that the cost is expensive and power consumptive is higher has been avoided.
Description
Technical field
The utility model embodiment is related to a power technology more particularly to a kind of Magnetic isolation control circuit and cooker.
Background technique
Electromagnetic oven is that a kind of household electrical appliance for being commonly used in heating can control with the continuous development of the relevant technologies
The cookware being arranged on electromagnetic oven obtains electric energy from electromagnetic oven, and is communicated with electromagnetic oven.
The prior art generallys use directly between electromagnetic oven and cookware by way of line, so that cookware obtains
Direct communication between electric energy and realization cookware and electromagnetic oven, wherein power supply must use isolating switch power, the side of communication
Formula generallys use light-coupled isolation.
However, will lead to the higher problem of expensive and power consumption using isolating switch power and light-coupled isolation.
Utility model content
The utility model embodiment provides a kind of Magnetic isolation control circuit and cooker, with overcome use isolating switch power with
And expensive caused by light-coupled isolation, the higher problem of power consumption.
In a first aspect, the utility model provides a kind of Magnetic isolation control circuit, the Magnetic isolation control circuit is applied to electricity
Magnetic furnace, comprising:
Electromagnetic oven control unit, electromagnetism power supply unit and electromagnetic data receiving unit, wherein
The electromagnetic oven control unit is connect with the electromagnetism power supply unit and the electromagnetic data receiving unit respectively；
The electromagnetic oven control unit is used for the electromagnetism power supply unit output level pulse；
The electromagnetism power supply unit is for generating magnetic field under the action of the level pulse, so that electromagnetism is by electricity in cookware
Unit produces electricl energy；
The electromagnetic data receiving unit is used to receive the data that the electromagnetic data transmission unit of the cookware is sent.
In a kind of possible design, the electromagnetism power supply unit include charge-discharge circuit and power supply armature winding, it is described
Charge-discharge circuit is connect with the electromagnetic oven control unit and the power supply armature winding respectively, and the power supply armature winding is used for
Generate magnetic field.
In a kind of possible design, the charge-discharge circuit includes triode Q20, triode Q21 and capacitor C20, institute
Stating triode Q20 is NPN type triode, and the triode Q21 is PNP type triode；Wherein,
The base stage of the triode Q20 and the base stage of the triode Q21 are defeated with the electromagnetic oven control unit respectively
Outlet connection；
The emitter of the emitter of the triode Q20 and the triode Q21 respectively with the power supply armature winding
One end connection；
The collector of the triode Q20 is connect with voltage, and the collector of the triode Q21 is with the capacitor C20's
One end connection, the other end of the capacitor C20 are connect with the power supply armature winding.
In a kind of possible design, the electromagnetic data receiving unit includes: communication secondary windings, bleeder circuit and limit
Volt circuit；Wherein
The bleeder circuit is connect with the communication secondary windings and the pressure limiting circuit respectively, the pressure limiting circuit difference
It is connect with the electromagnetic oven control unit and the bleeder circuit；
The communication secondary windings is used to receive the data that the communication armature winding of the cookware is sent.
In a kind of possible design, the bleeder circuit is resistor voltage divider circuit, and the pressure limiting circuit is diode limit
Volt circuit.
Second aspect, the utility model provide a kind of Magnetic isolation control circuit, and the Magnetic isolation control circuit is applied to pot
Tool, comprising:
Cookware control unit, electromagnetism are by electric unit and electromagnetic data transmission unit；Wherein
The cookware control unit is connect with the electromagnetism by electric unit and the electromagnetic data transmission unit respectively；
The electromagnetism is used to produce electricl energy under the magnetic fields of the electromagnetism power supply unit of electromagnetic oven by electric unit；
The cookware control unit is used for the electromagnetic data transmission unit output level pulse；
The electromagnetic data transmission unit is for generating magnetic field under the action of the level pulse, with to the number of electromagnetic oven
Data are sent according to receiving unit.
In a kind of possible design, the electromagnetism is included: by electric secondary windings and current rectifying and wave filtering circuit, institute by electric unit
Current rectifying and wave filtering circuit is stated to be connect with described by electric secondary windings and the cookware control unit respectively.
In a kind of possible design, the electromagnetic data transmission unit include one-way conduction circuit, charge/discharge unit with
And communication armature winding；
The one-way conduction circuit is connect with the cookware control unit and the charge/discharge unit respectively；
The charge/discharge unit is also connect with the communication armature winding；
The communication armature winding is used to send data to the communication secondary windings of the electromagnetic oven.
In a kind of possible design, the one-way conduction circuit is triode Q1, and the triode Q1 is three pole of NPN type
Pipe, the charge/discharge unit includes diode D3 and resistance R5；
The base stage of the triode Q1 is connect with the output end of the cookware control unit, the collector of the triode Q1
It is connect with the communication armature winding, the emitter ground connection of the triode Q1；
The anode of the diode D3 is connect with one end of the communication armature winding, the cathode of the diode D3 and institute
State resistance R5 connection；
The resistance R5 is connect with one end of the diode D3 and the communication armature winding respectively.
The third aspect, the utility model provide a kind of cooker, including electromagnetic oven and cookware, which is characterized in that the electromagnetism
Furnace includes the various possible designs of first aspect and first aspect as above, and the cookware includes second aspect as above and second
The various possible designs of aspect.
It includes: electromagnetic oven control unit, electromagnetism that the utility model, which provides a kind of Magnetic isolation control circuit and cooker, the circuit,
Power supply unit and electromagnetic data receiving unit and cookware control unit, electromagnetism are sent single by electric unit and electromagnetic data
Member, wherein electromagnetic oven control unit is connect with electromagnetism power supply unit and electromagnetic data receiving unit respectively；Electromagnetic oven control unit
For to electromagnetism power supply unit output level pulse；Electromagnetism power supply unit makes for generating magnetic field under the action of level pulse
Electromagnetism in cookware is obtained to be produced electricl energy by electric unit；Electromagnetic data receiving unit is used to receive the electromagnetic data transmission unit hair of cookware
The data sent.Wherein cookware control unit is connect with electromagnetism by electric unit and electromagnetic data transmission unit respectively；Electromagnetism is by electric single
Member under the magnetic fields of the electromagnetism power supply unit of electromagnetic oven for producing electricl energy；Cookware control unit is used to send out to electromagnetic data
Send unit output level pulse；Electromagnetic data transmission unit is for generating magnetic field under the action of level pulse, with to electromagnetic oven
Data receipt unit send data.It is real in such a way that setting electromagnetism power supply unit and electromagnetism are used Magnetic isolation by electric unit
It now powers to cookware, so as to avoid expensive problem, secondly by setting electromagnetic data transmission unit and electromagnetism number
Realize the communication of cookware and electromagnetic oven, by the way of Magnetic isolation according to receiving unit so as to avoid the higher problem of power consumption.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram one of Magnetic isolation control circuit provided by the utility model；
Fig. 2 is the structural schematic diagram two of Magnetic isolation control circuit provided by the utility model；
Fig. 3 is the structural schematic diagram three of Magnetic isolation control circuit provided by the utility model.
Description of symbols:
10- electromagnetic oven control unit 20- electromagnetism power supply unit 30- electromagnetic data receiving unit
40- cookware control unit 50- electromagnetism is by electric unit 60- electromagnetic data transmission unit
21- charge-discharge circuit 22- power supply armature winding 31- communicates secondary windings
32- bleeder circuit 33- pressure limiting circuit 51- is by electric secondary windings
52- current rectifying and wave filtering circuit 61- one-way conduction circuit 62- charge/discharge unit
63- communicates armature winding
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, every other embodiment obtained by those of ordinary skill in the art without making creative efforts belong to
The range of the utility model protection.
Fig. 1 is the structural schematic diagram one of Magnetic isolation control circuit provided by the utility model, as shown in Figure 1, the circuit packet
It includes: electromagnetic oven control unit 10, electromagnetism power supply unit 20 and electromagnetic data receiving unit 30, wherein
Electromagnetic oven control unit 10 is connect with electromagnetism power supply unit 20 and electromagnetic data receiving unit 30 respectively；
Electromagnetic oven control unit 10 is used for the 20 output level pulse of electromagnetism power supply unit；
Electromagnetism power supply unit 20 is for generating magnetic field under the action of level pulse, so that electromagnetism is by electric unit 50 in cookware
It produces electricl energy；
Electromagnetic data receiving unit 30 is used to receive the data that the electromagnetic data transmission unit of cookware is sent.
Further include: cookware control unit 40, electromagnetism by electric unit 50 and electromagnetic data transmission unit 60, wherein
Cookware control unit 40 is connect with electromagnetism by electric unit 50 and electromagnetic data transmission unit 60 respectively；
Wherein electromagnetism is used to produce electricl energy under the magnetic fields of the electromagnetism power supply unit 20 of electromagnetic oven by electric unit 50；
Cookware control unit 40 is used for the 60 output level pulse of electromagnetic data transmission unit；
Electromagnetic data transmission unit 60 is for generating magnetic field under the action of level pulse, with to the data receiver of electromagnetic oven
Unit sends data.
Specifically, electromagnetic oven control unit 10 can be for example micro-control unit, it also for example can be programmable controller
Deng the present embodiment is not particularly limited the specific implementation of electromagnetic oven control unit 10, and those skilled in the art can manage
Solution, electromagnetic oven control unit 10, which can according to need, to be selected, and wherein electromagnetic oven control unit 10 is arranged on electromagnetic oven, this
Embodiment is equally not particularly limited the setting position of electromagnetic oven control unit 10.
Wherein, electromagnetism power supply unit 20 is used to provide power supply to cookware, and wherein electromagnetism power supply unit 20 for example may include
The electric elements such as triode, capacitor may also include, for example diode, winding etc., and the present embodiment is to electromagnetism power supply unit 20
Concrete composition and its connection type with no restrictions, it is all be able to achieve according to level pulse generate magnetic field the equal data sheet of circuit it is practical
Novel protection scope, further, electromagnetism power supply unit 20 are connect with electromagnetic oven control unit 10, are specifically connected to it herein
The mode of connecing is not specially limited.
It will be understood by those skilled in the art that electromagnetic oven control unit 10 and electromagnetism power supply unit 20 can connect electricity
Source, thus the demand for meeting the electricity consumption of electromagnetic oven and powering to cookware.
Magnetic isolation control circuit provided in this embodiment further includes cookware control unit 40, and cookware control unit 40 for example may be used
Micro-control unit is thought, also such as can be for programmable controller, herein to the specific implementation of cookware control unit 40
It is not particularly limited, cookware control unit 40 is arranged on cookware, and setting position is without limitation.
Further, electromagnetism is connect by electric unit 50 with cookware control unit 40, for receiving the electric energy of electromagnetic oven offer
It powers to realize to cookware, wherein electromagnetism may also include, for example by electric unit 50 such as may include diode, capacitor
The electric elements such as winding, the present embodiment to electromagnetism by electric unit 50 concrete composition and its connection type with no restrictions, this field
It is specific as long as technical staff is appreciated that electromagnetism is able to achieve by electric unit 50 and produces electricl energy under the influence of a magnetic field
Design, which can according to need, to be selected.
Further, Magnetic isolation control circuit provided in this embodiment further includes electromagnetic data receiving unit 30, wherein electricity
Magnetic data receiving unit 30 is connect with electromagnetic oven control unit 10, and electromagnetic data receiving unit 30 for example may include resistance, also
It such as may include the electric elements such as diode, concrete composition and its connection side of the present embodiment to electromagnetic data receiving unit 30
Formula is not specially limited, as long as electric current can be generated according to the effect in magnetic field.
It further include electromagnetic data transmission unit 60, wherein electromagnetic data transmission unit 60 is connect with cookware control unit 40,
Wherein electromagnetic data transmission unit for example may include triode, diode etc., may also include, for example winding etc., herein to electricity
The concrete composition and its connection type of magnetic data transmission unit 60 with no restrictions, it will be understood by those skilled in the art that electromagnetism number
Can be according to current induced magnetic field according to transmission unit 60, specific design, which can according to need, to be selected.
Aiming at the problem that installation of power supply in the prior art must be using higher cost caused by isolating switch power, this reality
It include electromagnetism power supply unit 20 and electromagnetism by electric unit 50 with the Magnetic isolation control circuit of novel offer, specifically, electromagnetic oven
Control unit 10 is to the 20 output level pulse of electromagnetism power supply unit, and wherein the mode of output level pulse for example can be high level
Pulse and low level pulse continue alternately to export, also for example can be for according to predetermined manner output high level pulse or low level arteries and veins
Punching, the present embodiment to the specific implementation of output level pulse with no restrictions.
Further, electromagnetism power supply unit 20 is for generating magnetic field under the action of level pulse, so that electromagnetism is by electric single
Member 50 produces electricl energy under the magnetic fields of electromagnetism power supply unit 20, specifically, for example may include in Electromagnetic Control unit 20
Power supply armature winding, electromagnetism is by for example may include power supply secondary windings in electric unit 50, wherein power supply armature winding and confession
Electric secondary windings can be for example coil etc..
Optionally, Electromagnetic Control unit 20 makes armature winding generation alternating current of powering under the action of level pulse, from
And generate magnetic field and electromagnetism produced electricl energy by the power supply secondary windings of electric unit 50, realize to cookware provide power supply, it is above only
Illustratively to introduce, not unique implementation, such as electromagnetism power supply unit 20 and electromagnetism are gone back by between electric unit 50
Can be realized to cookware by the way that transformer is arranged and power supply etc. is provided, implementation is similar, herein to electromagnetism power supply unit 20 with
And electromagnetism is not particularly limited by the working principle powered between electric unit 50.
In the present embodiment, the electromagnetism of cookware is separated by the electromagnetism power supply unit 20 of electric unit 50 and electromagnetic oven, is being needed
When being powered, electromagnetism is set by electric unit 50 and electromagnetism power supply unit 20 and is in specific position, such as the side of power supply
Formula is mode when carrying out of armature winding and secondary windings of powering of powering, can be by placing so that the electromagnetism of cookware is by electric unit
Power supply secondary windings in 50 is in the state being aligned with the power supply armature winding in the electromagnetism power supply unit 20 of electromagnetic oven, thus
It realizes power supply, is introduced the above is only illustrative, not unique implementation, as long as it will be understood by those skilled in the art that
So that electromagnetism, which is in specific position by electric unit 50 and electromagnetism power supply unit 20, can be realized power supply, to solve electricity
The problem of installation in source must be using higher cost caused by isolating switch power.
Further, for the communication in the prior art between electromagnetic oven and cookware using power consumption caused by light-coupled isolation compared with
It is high and there are problems that temperature drift error, Magnetic isolation control circuit provided by the utility model include electromagnetic data transmission unit 60
With electromagnetic data receiving unit 30, specifically, cookware control unit 40 is to the 60 output level pulse of electromagnetic data transmission unit,
The mode of middle output level pulse for example can be to export high level or low level according to preset communications protocol, also for example can be with
It is low and high level according to fixed cycle alternately output etc., the present embodiment does not limit the specific implementation of output level pulse
System.
Further, electromagnetic data transmission unit 60 is for generating magnetic field under the action of level pulse, with to electromagnetic oven
Data receipt unit send data, electromagnetic data receiving unit 30 be used for receive cookware electromagnetic data transmission unit send
Data, specifically, for example may include communicating armature winding in electromagnetic data transmission unit 60, electromagnetic data receiving unit 30
It such as may include communication secondary windings, electromagnetic data transmission unit 60 makes to communicate armature winding production under the action of level pulse
Raw alternating current further generates magnetic field, so that the communication secondary windings of electromagnetic data receiving unit 30 produces electricl energy, wherein electric energy
Height can for example correspond to frame data, to realize the transmission and reception of data.
It is introduced the above is only illustrative, not unique implementation, such as electromagnetic data transmission unit 60 and electricity
Communication etc., this implementation can also be realized between magnetic data receiving unit 30 by way of directly transmitting and receiving data
Example to the mode of the communication between electromagnetic data transmission unit 60 and electromagnetic data receiving unit 30 with no restrictions.
In the present embodiment, the electromagnetic data transmission unit 60 of cookware and the electromagnetic data receiving unit 30 of electromagnetic oven divide
From, communicated by the way of Magnetic isolation, thus solve power supply installation must using caused by isolating switch power at
This higher problem.
Magnetic isolation control circuit provided by the utility model, comprising: electromagnetic oven control unit, electromagnetism power supply unit and electricity
Magnetic data receiving unit and cookware control unit, electromagnetism are by electric unit and electromagnetic data transmission unit, and wherein electromagnetic oven controls
Unit is connect with electromagnetism power supply unit and electromagnetic data receiving unit respectively；Electromagnetic oven control unit is used for electromagnetism power supply unit
Output level pulse；Electromagnetism power supply unit is for generating magnetic field under the action of level pulse, so that electromagnetism is by electric single in cookware
Member produces electricl energy；Electromagnetic data receiving unit is used to receive the data that the electromagnetic data transmission unit of cookware is sent.Wherein cookware
Control unit is connect with electromagnetism by electric unit and electromagnetic data transmission unit respectively；Electromagnetism is used for the electricity in electromagnetic oven by electric unit
It is produced electricl energy under the magnetic fields of magnetic power supplying unit；Cookware control unit is used for electromagnetic data transmission unit output level arteries and veins
Punching；Electromagnetic data transmission unit is for generating magnetic field under the action of level pulse, to send out to the data receipt unit of electromagnetic oven
Send data.It realizes in such a way that setting electromagnetism power supply unit and electromagnetism are used Magnetic isolation by electric unit to cookware and powers, from
And expensive problem is avoided, magnetic is used secondly by setting electromagnetic data transmission unit and electromagnetic data receiving unit
The mode of isolation realizes the communication of cookware and electromagnetic oven, so as to avoid the higher problem of power consumption.
On the basis of the above embodiments, Magnetic isolation control circuit provided by the utility model is carried out below with reference to Fig. 2
It is further discussed in detail, Fig. 2 is the structural schematic diagram two of Magnetic isolation control circuit provided by the utility model, as shown in Figure 2:
Electromagnetism power supply unit 20 include charge-discharge circuit 21 and power supply armature winding 22, charge-discharge circuit 21 respectively with electromagnetism
Furnace control unit 10 and power supply armature winding 22 connect, and power supply armature winding 22 is for generating magnetic field.
Electromagnetism is included: by electric secondary windings 51 and current rectifying and wave filtering circuit 52 by electric unit 50, and current rectifying and wave filtering circuit 52 is distinguished
It is connect with by electric secondary windings 51 and cookware control unit 40.
Specifically, charge-discharge circuit 21 is connect with electromagnetic oven control unit 10, for receiving from electromagnetic oven control unit 10
Level pulse, secondly charge-discharge circuit 21 is also connect with power supply armature winding 22, to realize first to power supply according to level pulse
The charging and electric discharge of grade winding, wherein charge-discharge circuit 21 for example may include triode, may also include, for example capacitor etc.,
The present embodiment to the specific implementation of charge-discharge circuit 21 with no restrictions.
Optionally, charge-discharge circuit 21 can also connect to power supply, as long as it will be understood by those skilled in the art that charge and discharge
Circuit 21 can realize that charging and electric discharge, specific design can be selected as needed according to level pulse.At this
In embodiment, power supply armature winding 22 for example can be coil, the present embodiment to power supply armature winding concrete model, composition with
And parameter etc. is with no restrictions.
Further, electromagnetism is included by electric secondary windings 51 and current rectifying and wave filtering circuit 52, wherein by electric time by electric unit 50
Grade winding 51 for example can be coil, without limitation herein, in the present embodiment, power supply armature winding 22 with by it is electric secondary around
Group 51 cooperates, and power supply armature winding 22 generates magnetic field according to the alternating current that charge-discharge modules 21 provide, secondly by electric secondary
Winding 51 is produced electricl energy according to magnetic field, to realize that electromagnetic oven provides power supply to cookware, wherein electromagnetic oven and the connectionless pass of cookware
System is realized using Magnetic isolation and is powered, to solve the problems, such as that isolating switch power is expensive.
Secondly, being connect by electric secondary windings 51 with current rectifying and wave filtering circuit 52, wherein current rectifying and wave filtering circuit 52 for example be can wrap
Include capacitor, diode etc., the present embodiment to the specific implementation of current rectifying and wave filtering circuit 52 with no restrictions, those skilled in the art
It is appreciated that the specific design of current rectifying and wave filtering circuit 52 can according to need and be selected, wherein current rectifying and wave filtering circuit 52 is used for
The electric energy generated by electric secondary windings 51 is rectified and filtered, so that the supply voltage supplied to cookware is stablized.
In the present embodiment, current rectifying and wave filtering circuit 52 is also connect with cookware control unit 40, to realize stable electricity
Source is supplied to cookware control system 40, so that cookware control system 40 electric must can work, optionally, current rectifying and wave filtering circuit 52 is also
It can be connect with electromagnetic data transmission unit 60, to provide power supply to electromagnetic data transmission unit 60, wherein electromagnetic data is sent out
Power supply can be obtained from cookware control unit 60 for example to work by sending unit 60 also, and the present embodiment is to this without limiting.
Electromagnetism power supply unit 20 provided in this embodiment includes charge-discharge circuit 21 and power supply armature winding 22, charge and discharge electricity
Road 21 is connect with electromagnetic oven control unit 10 and power supply armature winding 22 respectively, and power supply armature winding 22 is for generating magnetic field.Electricity
Magnetic is included: by electric secondary windings 51 and current rectifying and wave filtering circuit 52 by electric unit 50, and current rectifying and wave filtering circuit 52 is respectively and by electric secondary
Winding 51 and cookware control unit 40 connect.To realize that the electromagnetic oven based on Magnetic isolation supplies power supply to cookware, avoid into
The problem of this valuableness.
On the basis of the above embodiments, electromagnetic data transmission unit 60 includes one-way conduction circuit 61, charge/discharge unit
62 and communication armature winding 63；
One-way conduction circuit 61 is connect with cookware control unit 40 and charge/discharge unit 62 respectively；
Charge/discharge unit 62 is also connect with communication armature winding 63；
Armature winding 63 is communicated to be used to send data to the communication secondary windings 31 of electromagnetic oven.
Electromagnetic data receiving unit 30 includes: communication secondary windings 31, bleeder circuit 32 and pressure limiting circuit 33；Wherein
Bleeder circuit 32 respectively with communication secondary windings 31 and pressure limiting circuit 33 connect, pressure limiting circuit 33 respectively with electromagnetic oven
Control unit 10 and bleeder circuit 32 connect；
Communication secondary windings 31 is used to receive the data that the communication armature winding of cookware is sent.
Wherein, one-way conduction circuit 61 is connect with cookware control circuit 40, for what is exported according to cookware control circuit 40
Low and high level pulse control electric current whether conducting, wherein one-way conduction circuit 61 for example may include triode, also for example may be used
To include diode etc., the present embodiment to the concrete composition and its connection relationship of individual event turning circuit with no restrictions.
Further, one-way conduction circuit 61 is also connect with charge/discharge unit 62, charge/discharge unit 62 also with communicate primary
Winding 63 connects, and wherein charge/discharge unit 62 is used for when one-way conduction circuit 61 is in the conductive state as communication armature winding 63
Charging and electric discharge, wherein charge/discharge unit 62 is such as may include diode, resistance, and the present embodiment is to charge/discharge unit 62
Concrete composition and its connection relationship with no restrictions.
In the present embodiment, after charge/discharge unit 62 is charged and discharged to communication armature winding 63, communication is just
Grade winding 63 generates alternating current to generate magnetic field, secondly communicates secondary windings 31 and produces electricl energy under magnetic fields, wherein leading to
Believe armature winding 63 and communication secondary windings 31 all for example can be coil, the present embodiment is to communication armature winding 63 and leads to
Believe concrete model, parameter of secondary windings 31 etc. with no restrictions.
In the present embodiment, communication secondary windings 31 cooperates with armature winding 63 is communicated, and communicates 63 basis of armature winding
The alternating current that charge/discharge unit 62 provides generates magnetic field, secondly communicates secondary windings 31 and is produced electricl energy according to magnetic field, bleeder circuit
32 and pressure limiting circuit 33 convert electrical energy into high level or low level, to realize that cookware control unit 40 and electromagnetic oven control
Communication between unit 10, wherein electromagnetic oven and the connectionless relationship of cookware, are realized using Magnetic isolation and are communicated, to solve optocoupler
The high problem of the power consumption generated is isolated.
Further, communication secondary windings 31 is connect with bleeder circuit 32, and pressure limiting circuit 33 controls with electromagnetic oven single respectively
Member 10 and bleeder circuit 32 connect, wherein bleeder circuit 32 for realizing to communication secondary windings 31 generate electric energy partial pressure,
Pressure limiting circuit 33 passes through bleeder circuit 32 and pressure limiting circuit for realizing the pressure limiting of the electric energy generated to communication secondary windings 31
33 can be realized the power output high level or low level according to generation.
Secondly bleeder circuit 32 and pressure limiting circuit 33 are connect with electromagnetic oven control unit 10, thus by the high level of output
Or low level output is to electromagnetic oven control unit 10, electromagnetic oven control unit 10 based on the received low and high level to receive pot
Have the data sent.
Optionally, bleeder circuit 32 is resistor voltage divider circuit, and the pressure limiting circuit 33 is diode pressure limiting circuit.
Magnetic isolation circuit provided in this embodiment, electromagnetic data transmission unit 60 include one-way conduction circuit 61, charge and discharge
Unit 62 and communication armature winding 63；One-way conduction circuit 61 connects with cookware control unit 40 and charge/discharge unit 62 respectively
It connects；Charge/discharge unit 62 is also connect with communication armature winding 63；Communicate armature winding 63 be used for electromagnetic oven communication secondary around
Group 31 sends data.Electromagnetic data receiving unit 30 includes: communication secondary windings 31, bleeder circuit 32 and pressure limiting circuit 33；Its
Middle bleeder circuit 32 is connect with communication secondary windings 31 and pressure limiting circuit 33 respectively, and pressure limiting circuit 33 controls with electromagnetic oven single respectively
Member 10 and bleeder circuit 32 connect；Communication secondary windings 31 is used to receive the data that the communication armature winding of cookware is sent.
In the present embodiment, communication secondary windings 31 cooperates with armature winding 63 is communicated, and communicates 63 basis of armature winding
The alternating current that charge/discharge unit 62 provides generates magnetic field, secondly communicates secondary windings 31 and is produced electricl energy according to magnetic field, bleeder circuit
32 and pressure limiting circuit 33 convert electrical energy into high level or low level, to realize that cookware control unit 40 and electromagnetic oven control
Communication between unit 10, wherein electromagnetic oven and the connectionless relationship of cookware, are realized using Magnetic isolation and are communicated, to solve optocoupler
The high problem of the power consumption generated is isolated.
On the basis of the above embodiments, below with reference to a specific circuit to Magnetic isolation control provided by the utility model
Circuit processed is further discussed in detail, herein only a kind of possible implementation, not unique to limit, below with reference to
Fig. 3 is illustrated, and Fig. 3 is the structural schematic diagram three of Magnetic isolation control circuit provided by the utility model.
As shown in figure 3, charge-discharge circuit 21 includes triode Q20, triode Q21 and capacitor C20, triode Q20 is NPN
Type triode, triode Q21 are PNP type triode；Wherein,
The base stage of triode Q20 and the base stage of triode Q21 are connect with the output end of electromagnetic oven control unit 10 respectively；
The emitter of triode Q20 and the emitter of triode Q21 are connect with one end of power supply armature winding 22 respectively；
The collector of triode Q20 is connect with voltage, and the collector of triode Q21 is connect with one end of capacitor C20, capacitor
The other end of C20 is connect with power supply armature winding 22.
One-way conduction circuit 61 is triode Q1, and triode Q1 is NPN type triode, and charge/discharge unit 62 includes diode
D3 and resistance R5；
The base stage of triode Q1 is connect with the output end of cookware control unit 40, the collector of triode Q1 with communicate primary
Winding 63 connects, the emitter ground connection of triode Q1；
The anode of diode D3 is connect with one end of communication armature winding 63, and the cathode of diode D3 is connect with resistance R5；
Resistance R5 is connect with one end of diode D3 and communication armature winding 63 respectively.
It include output end and input terminal specifically, electromagnetic oven control unit 10 connects power supply, the wherein base of triode Q20
The base stage of pole and triode Q21 are connect with the output end of electromagnetic oven control unit 10 respectively, and wherein triode Q20 is NPN type three
Pole pipe, triode Q21 are PNP type triode.
Further, when the output end of electromagnetic oven control unit 10 exports high level pulse, triode Q20 conducting, this
When power supply armature winding 22 to capacitor C20 charge, secondly when electromagnetic oven control unit 10 output end export low level pulse when,
Triode Q21 conducting, capacitor C20 is to power supply armature winding electric discharge, so that charge-discharge circuit 21 realizes its charging and electric discharge
Function.
Secondly electromagnetic oven control unit 10 to generate exchange on power supply armature winding 22 by exporting low and high level pulse
Electricity further powers and armature winding 21 and is generated magnetic field by between electric secondary windings 51, by electric secondary windings 51 in magnetic field
It is produced electricl energy under effect, the electric energy of generation is powered by current rectifying and wave filtering circuit 52 to cookware control unit 40, as described in Figure 3, whole
Flowing filter circuit 52 includes rectifier bridge D20 and the exemplary only introduction of capacitor C21, Fig. 3, not unique implementation.
As shown in figure 3, rectifier bridge D20 and capacitor C21 are connected with the power end VCC1 of cookware, to control to cookware single
Member 40 is powered, and can also be powered to electromagnetic data transmission unit, in the present embodiment, electromagnetic oven control unit 10 is exporting
Stable frequency and duty ratio are exported when level pulse, to make VCC1 voltage stabilization.
Further, cookware control system 40 connects power end VCC1 so as to send phase to electromagnetic oven control unit 10
Information is closed, specifically, cookware control system 40 is communicated according to communications protocol by output end outputs level signals, wherein leading to
News agreement for example can represent the excessively high information of temperature for output 15s high level, can be for example also output 5s low level and 10s
High level indicates flooding information, or can also indicate warning information to continue alternately output low and high level according to predetermined period
Deng, the present embodiment to the specific implementation of communications protocol with no restrictions, can according to need and be designed.
Secondly, cookware control unit 40 exports corresponding low and high level pulse, so that communication armature winding 63 generates magnetic field,
Electromagnetic oven control unit 10 is by communication secondary windings 21 and 33 frames received evidence of bleeder circuit 32 and pressure limiting circuit, thus complete
At the communication of cookware control unit 40 and electromagnetic oven control unit 10.
Specifically, the one-way conduction circuit 61 provided in Fig. 3 is triode Q1, base stage and the cookware control of triode Q1 is single
The collector of the output end connection of member 40, triode Q1 is connect with communication armature winding 63, the emitter ground connection of triode Q1, when
When cookware control unit 40 exports high level, triode Q1 conducting, in the effect of one-way conduction circuit 61 and charge/discharge unit 62
Under, communication armature winding 63 generates electric current and further generates magnetic field, and communication secondary windings 31 generates electric current under the influence of a magnetic field,
Input terminal through bleeder circuit 32 with 33 input high level of pressure limiting circuit to electromagnetic oven control unit 10.
Optionally, when cookware control unit 40 exports low level, triode Q1 cut-off, communication armature winding 63 is by filling
Discharge cell 62 discharges, and wherein charge/discharge unit 62 is diode D3 and resistance R5, communicates secondary windings 31 at this time and does not generate electricity
Stream, bleeder circuit 32 and 33 input low level of pressure limiting circuit arrive the input terminal of electromagnetic oven control unit 10, so that realization is by frame
Data are sent to electromagnetic oven control unit 10, and frame data therein are high level and low level combination, corresponding different letter
Breath, it is without limitation herein.
It will be understood by those skilled in the art that electromagnetic oven on cookware for example can pass through setting groove or it is related mark
The mode of will, so that electromagnetic oven and cookware are when in use, by the way that cookware is placed on the specific position on electromagnetic oven to realize
By electric armature winding 22 and by electric secondary windings 51 and communication armature winding 63 and communicate the work between secondary windings 31.
Magnetic isolation circuit provided in this embodiment, charge-discharge circuit include triode Q20, triode Q21 and capacitor C20,
Triode Q20 is NPN type triode, and triode Q21 is PNP type triode；Wherein, the base stage of triode Q20 and triode Q21
Base stage connect respectively with the output end of electromagnetic oven control unit；The emitter of triode Q20 and the emitter point of triode Q21
It is not connect with one end of power supply armature winding；The collector of triode Q20 is connect with voltage, the collector and electricity of triode Q21
Hold one end connection of C20, the other end of capacitor C20 is connect with power supply armature winding.One-way conduction circuit is triode Q1, three poles
Pipe Q1 is NPN type triode, and charge/discharge unit includes diode D3 and resistance R5；The base stage and cookware control unit of triode Q1
The collector of 40 output end connection, triode Q1 is connect with communication armature winding, the emitter ground connection of triode Q1；Diode
The anode of D3 is connect with one end of communication armature winding, and the cathode of diode D3 is connect with resistance R5；Resistance R5 respectively with two poles
Pipe D3 is connected with one end of communication armature winding.Charge and discharge are realized by using electric elements such as triode, capacitor or diodes
Circuit, individual event turning circuit and charge/discharge unit etc. can effectively realize the stabilization of the electric energy in Magnetic isolation control circuit,
Power supply and communication based on Magnetic isolation are further realized between cookware and electromagnetic oven.
The utility model also provides a kind of cooker, including electromagnetic oven and cookware, and the electromagnetic oven includes embodiment institute as above
The Magnetic isolation control circuit stated, the cookware include Magnetic isolation control circuit described in embodiment as above.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of Magnetic isolation control circuit, which is characterized in that the Magnetic isolation control circuit is applied to electromagnetic oven, the circuit packet
It includes: electromagnetic oven control unit (10), electromagnetism power supply unit (20) and electromagnetic data receiving unit (30), wherein
The electromagnetic oven control unit (10) respectively with the electromagnetism power supply unit (20) and the electromagnetic data receiving unit
(30) it connects；
The electromagnetic oven control unit (10) is used for electromagnetism power supply unit (20) the output level pulse；
The electromagnetism power supply unit (20) is for generating magnetic field under the action of the level pulse, so that electromagnetism is by electricity in cookware
Unit (50) produces electricl energy；
The electromagnetic data receiving unit (30) is used to receive the data that the electromagnetic data transmission unit of the cookware is sent.
2. circuit according to claim 1, which is characterized in that the electromagnetism power supply unit (20) includes charge-discharge circuit
(21) and power supply armature winding (22), the charge-discharge circuit (21) respectively with the electromagnetic oven control unit (10) and the confession
Electric armature winding (22) connection, the power supply armature winding (22) is for generating magnetic field.
3. circuit according to claim 2, which is characterized in that the charge-discharge circuit (21) includes triode Q20, three poles
Pipe Q21 and capacitor C20, the triode Q20 are NPN type triode, and the triode Q21 is PNP type triode；Wherein,
The base stage of the triode Q20 and the base stage of the triode Q21 are defeated with the electromagnetic oven control unit (10) respectively
Outlet connection；
The emitter of the emitter of the triode Q20 and the triode Q21 respectively with power supply armature winding (22)
One end connection；
The collector of the triode Q20 is connect with voltage, one end of the collector of the triode Q21 and the capacitor C20
Connection, the other end of the capacitor C20 are connect with the power supply armature winding (22).
4. circuit according to claim 2, which is characterized in that the electromagnetic data receiving unit (30) includes: communication time
Grade winding (31), bleeder circuit (32) and pressure limiting circuit (33)；Wherein
The bleeder circuit (32) connect with the communication secondary windings (31) and the pressure limiting circuit (33) respectively, the pressure limiting
Circuit (33) is connect with the electromagnetic oven control unit (10) and the bleeder circuit (32) respectively；
Communication secondary windings (31) is used to receive the data that the communication armature winding of the cookware is sent.
5. circuit according to claim 4, which is characterized in that the bleeder circuit (32) is resistor voltage divider circuit, described
Pressure limiting circuit (33) is diode pressure limiting circuit.
6. a kind of Magnetic isolation control circuit, which is characterized in that the Magnetic isolation control circuit is applied to cookware, the circuit packet
Include: cookware control unit (40), electromagnetism are by electric unit (50) and electromagnetic data transmission unit (60)；Wherein
The cookware control unit (40) is respectively with the electromagnetism by electric unit (50) and the electromagnetic data transmission unit (60)
Connection；
The electromagnetism is used to produce electricl energy under the magnetic fields of the electromagnetism power supply unit (20) of electromagnetic oven by electric unit (50)；
The cookware control unit (40) is used for electromagnetic data transmission unit (60) the output level pulse；
The electromagnetic data transmission unit (60) is for generating magnetic field under the action of the level pulse, with to the number of electromagnetic oven
Data are sent according to receiving unit.
7. circuit according to claim 6, which is characterized in that the electromagnetism by electric unit (50) include: by it is electric secondary around
Group (51) and current rectifying and wave filtering circuit (52), the current rectifying and wave filtering circuit (52) respectively with it is described by electric secondary windings (51) and described
Cookware control unit (40) connection.
8. circuit according to claim 6, which is characterized in that the electromagnetic data transmission unit (60) includes one-way conduction
Circuit (61), charge/discharge unit (62) and communication armature winding (63)；
The one-way conduction circuit (61) connect with the cookware control unit (40) and the charge/discharge unit (62) respectively；
The charge/discharge unit (62) also connect with the communication armature winding (63)；
Communication armature winding (63) is used to send data to the communication secondary windings (31) of the electromagnetic oven.
9. circuit according to claim 8, which is characterized in that the one-way conduction circuit (61) is triode Q1, described
Triode Q1 is NPN type triode, and the charge/discharge unit (62) includes diode D3 and resistance R5；
The base stage of the triode Q1 is connect with the output end of the cookware control unit (40), the collector of the triode Q1
It is connect with the communication armature winding (63), the emitter ground connection of the triode Q1；
The anode of the diode D3 is connect with one end of communication armature winding (63), the cathode of the diode D3 and institute
State resistance R5 connection；
The resistance R5 is connect with one end of the diode D3 and communication armature winding (63) respectively.
10. a kind of cooker, including electromagnetic oven and cookware, which is characterized in that the electromagnetic oven includes as claim 1 to 5 is any
Magnetic isolation control circuit described in, the cookware include such as the described in any item Magnetic isolation control circuits of claim 6 to 9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920139391.3U CN209693087U (en) | 2019-01-28 | 2019-01-28 | Magnetic isolation control circuit and cooker |
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| CN201920139391.3U CN209693087U (en) | 2019-01-28 | 2019-01-28 | Magnetic isolation control circuit and cooker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114052512A (en) * | 2020-07-31 | 2022-02-18 | 浙江绍兴苏泊尔生活电器有限公司 | Wireless communication method and cooking appliance |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114052512A (en) * | 2020-07-31 | 2022-02-18 | 浙江绍兴苏泊尔生活电器有限公司 | Wireless communication method and cooking appliance |
| CN114052512B (en) * | 2020-07-31 | 2022-10-04 | 浙江绍兴苏泊尔生活电器有限公司 | Wireless communication method and cooking appliance |
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