CN205657861U - Electromagnetic heating cooks device and drive circuit thereof - Google Patents
Electromagnetic heating cooks device and drive circuit thereof Download PDFInfo
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- CN205657861U CN205657861U CN201620396208.4U CN201620396208U CN205657861U CN 205657861 U CN205657861 U CN 205657861U CN 201620396208 U CN201620396208 U CN 201620396208U CN 205657861 U CN205657861 U CN 205657861U
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Abstract
The utility model discloses an electromagnetic heating cooks device and drive circuit thereof, drive circuit includes: the control signal receiving terminal, drive unit has input, output and feeder ear, and drive unit's input links to each other with the control signal receiving terminal in order to receive control signal, and drive unit's output links to each other with opening or turn -offing according to the control signal drive power switch tube with the power switch pipe in the electromagnetic heating culinary art device, the power supply unit links to each other with drive unit's feeder ear to provide drive power supply for drive unit, the thermal fuse ware is connected between control signal receiving terminal and drive circuit's input, and temperature that the pan that the device goes on heating was cooked at electromagnetic heating to the thermal fuse ware was broken off when being greater than the default temperature threshold value to make electromagnetic heating culinary art device stop to heat the pan, and the power supply unit discharging through drive unit, thereby having reduced the false load resistance in the circuit, simplify circuit structure, reduction in production cost has effectively reduced the stand -by power consumption.
Description
Technical field
This utility model relates to household electrical appliance technical field, particularly to the drive circuit and of a kind of Electromagnetic Heating cooker
Plant the Electromagnetic Heating cooker with it.
Background technology
In relevant Electromagnetic Heating cooker, generally increase fuse to meet safety requirement.But, work as fuse
After disconnection, in device, the voltage of electrochemical capacitor can accumulate always, and correlation technique is discharged by increasing load resistance, but,
Correlation technique has the drawback that, adds load resistance, improves cost, and also adds stand-by power consumption.
Therefore, correlation technique needs to improve.
Utility model content
One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new
One purpose of type is to propose the drive circuit of a kind of Electromagnetic Heating cooker, and this circuit decreases load resistance, effectively
Reduce stand-by power consumption.
Another purpose of the present utility model is to propose a kind of electromagnetic heater.
For reaching above-mentioned purpose, the drive circuit of a kind of Electromagnetic Heating cooker that on the one hand this utility model proposes, including:
Control signal receiving terminal；Driver element, described driver element has input, outfan and feeder ear, described driver element
Input be connected to receive control signal with described control signal receiving terminal, the outfan of described driver element and Electromagnetic Heating
Power switch pipe in cooker is connected to drive being switched on or off of described power switch pipe according to described control signal；Supply
Electric unit, said supply unit is connected with the feeder ear of described driver element, thinks that described driver element provides and drives power supply；
Thermal cut-off, described thermal cut-off is connected between described control signal receiving terminal and the input of described drive circuit, described
Thermal cut-off disconnects when described Electromagnetic Heating cooker carries out the temperature of pan that heats more than preset temperature threshold value, so that
Described Electromagnetic Heating cooker stops heating described pan, and said supply unit is carried out by described driver element
Electric discharge.
According to the drive circuit of the Electromagnetic Heating cooker that the utility model proposes, thermal cut-off is connected to control signal and connects
Between receiving end and the input of drive circuit, when the pan temperature that Electromagnetic Heating cooker carries out heating is more than predetermined threshold value
Disconnecting, so that Electromagnetic Heating cooker stops heating pan, and power supply unit is discharged by drive circuit,
Thus, decrease the dummy resistance in circuit, simplify circuit structure, reduce production cost, effectively reduce stand-by power consumption.
Specifically, described thermal cut-off is arranged on the lower section of the heating panel of described Electromagnetic Heating cooker, and is close to described
Heating panel is arranged.
Further, said supply unit includes: the first electrochemical capacitor, the positive pole of described first electrochemical capacitor and default power supply
It is connected, the minus earth of described first electrochemical capacitor；First resistance, one end of described first resistance and described default power supply phase
Even；Second electrochemical capacitor, the positive pole of described second electrochemical capacitor is connected with the other end of described first resistance, described second electricity
Solve the minus earth of electric capacity；First electric capacity, one end of described first electric capacity be connected with the positive pole of described second electrochemical capacitor after with
The feeder ear of described driver element is connected, the other end ground connection of described first electric capacity.
Further, described driver element includes: the second resistance, and one end of described second resistance is as described driver element
Input is connected with described control signal receiving terminal；3rd resistance, one end of described 3rd resistance respectively with described second resistance
One end be connected with described control signal receiving terminal, the other end of described 3rd resistance is connected with said supply unit；One or three
Pole is managed, and the base stage of described first audion is connected with the other end of described second resistance, and the emitter stage of described first audion connects
Ground, the colelctor electrode of described first audion is connected with said supply unit by the 4th resistance；Second audion, described second
The base stage of audion is connected with the colelctor electrode of described first audion, the colelctor electrode of described second audion by the 5th resistance with
Said supply unit is connected；3rd audion, the base stage of described 3rd audion is connected with the base stage of described second audion,
The grounded collector of described 3rd audion；6th resistance, one end of described 6th resistance and the transmitting of described 3rd audion
The most connected, the other end of described 6th resistance is connected with the emitter stage of described second audion；7th resistance, described 7th electricity
One end of resistance other end with the emitter stage of described second audion and described 6th resistance respectively is connected, described 7th resistance
The other end is connected with described power switch pipe as the outfan of described driver element.
Further, described driver element also includes: stabilivolt, the plus earth of described stabilivolt, the moon of described stabilivolt
Pole is connected with the other end of described 7th resistance；8th resistance, described 8th resistance is in parallel with described stabilivolt.
Further, described driver element also includes: the second electric capacity, one end of described second electric capacity and described 7th resistance
One end be connected, the other end ground connection of described second electric capacity；9th resistance, described 9th resistance and described 7th resistor coupled in parallel.
Preferably, described power switch pipe can be that the G pole of IGBT, described IGBT is connected with the outfan of described driver element,
The C pole of described IGBT is connected with the resonance circuit of described Electromagnetic Heating cooker, the E pole ground connection of described IGBT.
For reaching above-mentioned purpose, a kind of Electromagnetic Heating cooker that on the other hand this utility model proposes, including described electricity
The drive circuit of magnetic heating cooking device.
According to the Electromagnetic Heating cooker that the utility model proposes, by the drive circuit of above-mentioned Electromagnetic Heating cooker,
Power supply is discharged by drive circuit, thus, decrease dummy resistance, reduce production cost, effectively reduce
Stand-by power consumption.
Preferably, described Electromagnetic Heating cooker can be electromagnetic oven, electromagnetic rice cooker or prevention electromagnetic pressure cooker.
Accompanying drawing explanation
Fig. 1 is the block diagram of the drive circuit of the Electromagnetic Heating cooker according to this utility model embodiment；And
Fig. 2 is the circuit theory diagrams of the drive circuit of the Electromagnetic Heating cooker according to this utility model embodiment.
Reference:
Control signal receiving terminal A, driver element 10, power supply unit 20, power switch pipe 30 and thermal fuse F U；
First electrochemical capacitor C101, the first resistance R1, the second electrochemical capacitor C102 and the first electric capacity C1；
Second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the first audion Q1, the second audion
Q2, the 3rd audion Q3, the 6th resistance R6 and the 7th resistance R7；
Stabilivolt ZD1, the 8th resistance R8, the second electric capacity C2 and the 9th resistance R9.
Detailed description of the invention
Of the present utility model embodiment is 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, it is intended to be used for explaining this utility model, and it is not intended that to limit of the present utility model
System.
Below with reference to the accompanying drawings Electromagnetic Heating cooker and drive circuit thereof that this utility model embodiment proposes are described in detail.
Fig. 1 is the block diagram of the drive circuit of the Electromagnetic Heating cooker according to this utility model embodiment.Such as Fig. 1
Shown in, this drive circuit includes: control signal receiving terminal A, driver element 10, power supply unit 20 and thermal fuse F U.
Wherein, driver element 10 has input, outfan and feeder ear, the input of driver element 10 and control signal
Receiving terminal A is connected to receive control signal, the outfan of driver element 10 and the power switch pipe in Electromagnetic Heating cooker
30 are connected to drive being switched on or off of power switch pipe 30 according to control signal；Power supply unit 20 and driver element 10
Feeder ear is connected, and thinks that driver element 10 provides and drives power supply；Thermal fuse F U is connected to control signal receiving terminal A and drives
Between the input on galvanic electricity road, the temperature of pan that thermal fuse F U carries out at Electromagnetic Heating cooker heating is more than presetting temperature
Disconnecting during degree threshold value, so that Electromagnetic Heating cooker stops heating pan, and power supply unit 20 passes through driver element
10 discharge.
Specifically, as it is shown in figure 1, when Electromagnetic Heating cooker normally works, thermal fuse F U in an ON state,
When control signal receiving terminal A receives high level, high level inputs driver element 10 through thermal fuse F U, drives single
Unit 10 drives power switch pipe 30 to turn off；When control signal receiving terminal A receives low level, low level is broken through hot melt
Device FU inputs driver element 10, and driver element 10 drives power switch pipe 30 open-minded.
So, when control signal receiving terminal A receives the low and high level i.e. control signal of signal of high frequency conversion, power switch
Pipe 30 high frequency break-make, to produce high frequency alternating current in the heating coil of Electromagnetic Heating cooker, and then produces high frequency friendship
The magnetic field become, thus pan is heated by Electromagnetic Heating cooker.
During pan is heated by Electromagnetic Heating cooker, if the temperature of pan is more than preset temperature threshold value,
Then thermal fuse F U disconnects, and the major loop of Electromagnetic Heating cooker disconnects, and control signal cannot input driver element 10,
Stop pan being heated, and power supply unit 20 is discharged by driver element 10.
According to a specific embodiment of the present utility model, power switch pipe 30 can be IGBT (Insulated Gate Bipolar
Transistor, insulated gate bipolar transistor), the G pole of IGBT is connected with the outfan of driver element 10, IGBT's
C pole is connected with the resonance circuit of Electromagnetic Heating cooker, the E pole ground connection of IGBT.
According to an embodiment of the present utility model, thermal fuse F U is arranged under the heating panel of Electromagnetic Heating cooker
Side, and it is close to heating panel setting.Thus, when the temperature of pan is more than preset temperature threshold value, the temperature of heating panel is also
Can be correspondingly improved, thermal fuse F U senses that high temperature fuses.
According to an embodiment of the present utility model, as in figure 2 it is shown, power supply unit 20 includes: the first electrochemical capacitor C101,
First resistance R1, the second electrochemical capacitor C102 and the first electric capacity C1.
Wherein, the positive pole of the first electrochemical capacitor C101 is connected with default power supply VCC, and the negative pole of the first electrochemical capacitor C101 connects
Ground；One end of first resistance R1 is connected with default power supply VCC；The positive pole of the second electrochemical capacitor C102 and the first resistance R1's
The other end is connected, the minus earth of the second electrochemical capacitor C102；One end of first electric capacity C1 is with the second electrochemical capacitor C102's
Positive pole is connected with the feeder ear of driver element 10 after being connected, the other end ground connection of the first electric capacity C1.
Specifically, as in figure 2 it is shown, power supply unit 20 provides power supply VDD for driver element 10.Because of electrochemical capacitor
Energy storage characteristic, if the first electrochemical capacitor C101 and the second electrochemical capacitor C102 does not has discharge loop, power supply VDD's
Magnitude of voltage can be driven high always, is susceptible to puncture the risk of components and parts.
Therefore, in this utility model embodiment, access between control signal receiving terminal A and the input of drive circuit 10
Thermal fuse F U, after the open circuit of thermal fuse F U, the first electrochemical capacitor C101 and the second electrochemical capacitor C102 is by driving
Moving cell 10 discharges.
According to a specific embodiment of the present utility model, the magnitude of voltage of power supply VDD can be 18V.
According to an embodiment of the present utility model, as in figure 2 it is shown, driver element 10 includes: the second resistance R2, the 3rd electricity
Resistance R3, the 4th resistance R4, the 5th resistance R5, the first audion Q1, the second audion Q2, the 3rd audion Q3, the 6th
Resistance R6 and the 7th resistance R7.
Wherein, one end of the second resistance R2 is connected with control signal receiving terminal A as the input of driver element 10；3rd
One end of resistance R3 is connected with one end and the control signal receiving terminal A of the second resistance R2 respectively, the other end of the 3rd resistance R3
It is connected with power supply unit 20；The base stage of the first audion Q1 is connected with the other end of the second resistance R2, the first audion Q1
Grounded emitter, the colelctor electrode of the first audion Q1 is connected with power supply unit 20 by the 4th resistance R4；Second audion
The base stage of Q2 is connected with the colelctor electrode of the first audion Q1, and the colelctor electrode of the second audion Q2 passes through the 5th resistance R5 and confession
Electric unit 20 is connected；The base stage of the 3rd audion Q3 is connected with the base stage of the second audion Q2, the collection of the 3rd audion Q3
Electrode ground connection；One end of 6th resistance R6 is connected with the emitter stage of the 3rd audion Q3, the other end of the 6th resistance R6 and
The emitter stage of two audion Q2 is connected；One end of 7th resistance R7 respectively with emitter stage and the 6th resistance of the second audion Q2
The other end of R6 is connected, and the other end of the 7th resistance R7 is connected with power switch pipe 30 as the outfan of driver element 10.
Further, as in figure 2 it is shown, driver element 10 also includes: stabilivolt ZD1 and the 8th resistance R8.Wherein, voltage stabilizing
The plus earth of pipe ZD1, the negative electrode of stabilivolt ZD1 and the other end of the 7th resistance R7 are connected；8th resistance R8 and voltage stabilizing
Pipe ZD1 is in parallel.
Further, as in figure 2 it is shown, driver element 10 also includes: the second electric capacity C2 and the 9th resistance R9.Wherein,
One end of two electric capacity C2 is connected with one end of the 7th resistance R7, the other end ground connection of the second electric capacity C2；9th resistance R9 with
7th resistance R7 is in parallel.
Specifically, during pan is heated by Electromagnetic Heating cooker, control signal receiving terminal A receives
The low and high level signal of high frequency conversion, power supply unit 20 provides power supply VDD for driver element 10, if Electromagnetic Heating
The temperature of pan that cooker carries out heating less than or equal to preset temperature threshold value, thermal fuse F U in an ON state, when
When control signal receiving terminal A receives high level, high level inputs driver element 10, driver element through thermal fuse F U
The first audion Q1 in 10 opens, the second audion Q2 ends, the 3rd audion Q3 conducting, and then drives power to open
Close pipe 30 to turn off；When control signal receiving terminal A receives low level, low level drives single through the input of thermal fuse F U
Unit 10, the first audion Q1 in driver element 10 ends, the second audion Q2 opens, the 3rd audion Q3 cut-off,
And then drive power switch pipe 30 open-minded.
If the temperature of pan that Electromagnetic Heating cooker carries out heating is more than preset temperature threshold value, the then open circuit of thermal fuse F U,
Control signal cannot input driver element 10, and Electromagnetic Heating cooker stops heating pan.Further, thermal cut-off
After FU open circuit, the base stage of the first audion Q1 is single for driving with power supply unit 20 by the second resistance R2 and the 3rd resistance R3
The power supply VDD that unit 10 provides is connected, and the first audion Q1 is open-minded.Thus, the second resistance R2, the 3rd resistance R3
And first the base-emitter of audion Q1 constitute the first discharge loop, the 4th resistance R4 and the first audion Q1
Colelctor electrode-emitter stage constitutes the second discharge loop, the first electrochemical capacitor C101 and the second electrochemical capacitor C102 and can put by first
Electricity loop and the second discharge loop discharge.
As it has been described above, after thermal fuse F U disconnects, the first electrochemical capacitor C101 and the second electrochemical capacitor C102 can be by driving
Second resistance R2 of moving cell 10, the 3rd resistance R3 and the 4th resistance R4 and the first audion Q1 discharge.Thus,
Think that electrochemical capacitor discharges without being further added by load resistance, decrease load resistance, reduce complete machine stand-by power consumption.
To sum up, according to the drive circuit of the Electromagnetic Heating cooker that this utility model embodiment proposes, thermal cut-off is connected
Between control signal receiving terminal and the input of drive circuit, the pan temperature carrying out heating at Electromagnetic Heating cooker is big
Disconnecting when predetermined threshold value, so that Electromagnetic Heating cooker stops heating pan, and power supply unit is by driving electricity
Discharge in road, thus, decrease the dummy resistance in circuit, simplify circuit structure, reduce production cost, effectively drop
Low stand-by power consumption.
This utility model also proposed a kind of Electromagnetic Heating cooker, including the driving electricity of above-mentioned Electromagnetic Heating cooker
Road.
According to an embodiment of the present utility model, Electromagnetic Heating cooker can be electromagnetic oven, electromagnetic rice cooker or electromagnetism pressure
Power pot.
To sum up, the Electromagnetic Heating cooker proposed according to this utility model embodiment, by above-mentioned Electromagnetic Heating culinary art dress
The drive circuit put, power supply is discharged by drive circuit, thus, decrease dummy resistance, reduce and produce into
This, effectively reduce stand-by power consumption.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width
Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end "
The orientation of the instruction such as " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " or position relationship
For based on orientation shown in the drawings or position relationship, it is for only for ease of description this utility model and simplifies description rather than refer to
Show or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not manage
Solve as to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, example
Such as two, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu
Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible
It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area
For those of ordinary skill, above-mentioned term concrete meaning in this utility model can be understood as the case may be.
In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score
Can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And,
Fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature
Or oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first
Levy level height less than second feature.
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
Feature is contained at least one embodiment of the present utility model or example.In this manual, schematic to above-mentioned term
Statement is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature
Can be so that one or more embodiments in office or example to combine in an appropriate manner.Additionally, in the case of the most conflicting,
Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example
Levy and be combined and combine.
Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model
Above-described embodiment be changed, revise, to replace and modification.
Claims (9)
1. the drive circuit of an Electromagnetic Heating cooker, it is characterised in that including:
Control signal receiving terminal；
Driver element, described driver element has input, outfan and feeder ear, the input of described driver element and institute
State control signal receiving terminal to be connected to receive control signal, in the outfan of described driver element and Electromagnetic Heating cooker
Power switch pipe is connected to drive being switched on or off of described power switch pipe according to described control signal；
Power supply unit, said supply unit is connected with the feeder ear of described driver element, thinks that described driver element provides and drives
Power supply；
Thermal cut-off, described thermal cut-off is connected between described control signal receiving terminal and the input of described drive circuit,
Described thermal cut-off disconnects when described Electromagnetic Heating cooker carries out the temperature of pan that heats more than preset temperature threshold value,
So that described Electromagnetic Heating cooker stops heating described pan, and said supply unit is by described driver element
Discharge.
The drive circuit of Electromagnetic Heating cooker the most according to claim 1, it is characterised in that described thermal cut-off
It is arranged on the lower section of the heating panel of described Electromagnetic Heating cooker, and is close to the setting of described heating panel.
The drive circuit of Electromagnetic Heating cooker the most according to claim 1, it is characterised in that said supply unit
Including:
First electrochemical capacitor, the positive pole of described first electrochemical capacitor is connected with default power supply, the negative pole of described first electrochemical capacitor
Ground connection；
First resistance, one end of described first resistance is connected with described default power supply；
Second electrochemical capacitor, the positive pole of described second electrochemical capacitor is connected with the other end of described first resistance, described second electricity
Solve the minus earth of electric capacity；
First electric capacity, one end of described first electric capacity is connected rear and described driver element with the positive pole of described second electrochemical capacitor
Feeder ear is connected, the other end ground connection of described first electric capacity.
The drive circuit of Electromagnetic Heating cooker the most according to claim 1, it is characterised in that described driver element
Including:
Second resistance, one end of described second resistance is as the input of described driver element and described control signal receiving terminal phase
Even；
3rd resistance, one end of described 3rd resistance respectively with one end of described second resistance and described control signal receiving terminal phase
Even, the other end of described 3rd resistance is connected with said supply unit；
First audion, the base stage of described first audion is connected with the other end of described second resistance, described first audion
Grounded emitter, the colelctor electrode of described first audion is connected with said supply unit by the 4th resistance；
Second audion, the base stage of described second audion is connected with the colelctor electrode of described first audion, described two or three pole
The colelctor electrode of pipe is connected with said supply unit by the 5th resistance；
3rd audion, the base stage of described 3rd audion is connected with the base stage of described second audion, described 3rd audion
Grounded collector；
6th resistance, one end of described 6th resistance is connected with the emitter stage of described 3rd audion, described 6th resistance another
One end is connected with the emitter stage of described second audion；
7th resistance, one end of described 7th resistance another with the emitter stage of described second audion and described 6th resistance respectively
One end is connected, and the other end of described 7th resistance is connected with described power switch pipe as the outfan of described driver element.
The drive circuit of Electromagnetic Heating cooker the most according to claim 4, it is characterised in that described driver element
Also include:
Stabilivolt, the plus earth of described stabilivolt, the negative electrode of described stabilivolt is connected with the other end of described 7th resistance；
8th resistance, described 8th resistance is in parallel with described stabilivolt.
The drive circuit of Electromagnetic Heating cooker the most according to claim 5, it is characterised in that described driver element
Also include:
Second electric capacity, one end of described second electric capacity is connected with one end of described 7th resistance, the other end of described second electric capacity
Ground connection；
9th resistance, described 9th resistance and described 7th resistor coupled in parallel.
7. according to the drive circuit of the Electromagnetic Heating cooker according to any one of claim 1-6, it is characterised in that institute
Stating power switch pipe is IGBT, and the G pole of described IGBT is connected with the outfan of described driver element, the C pole of described IGBT
It is connected with the resonance circuit of described Electromagnetic Heating cooker, the E pole ground connection of described IGBT.
8. an Electromagnetic Heating cooker, it is characterised in that include according to the electromagnetism according to any one of claim 1-7
The drive circuit of heating cooking device.
Electromagnetic Heating cooker the most according to claim 8, it is characterised in that described Electromagnetic Heating cooker is
Electromagnetic oven, electromagnetic rice cooker or prevention electromagnetic pressure cooker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396208.4U CN205657861U (en) | 2016-05-04 | 2016-05-04 | Electromagnetic heating cooks device and drive circuit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396208.4U CN205657861U (en) | 2016-05-04 | 2016-05-04 | Electromagnetic heating cooks device and drive circuit thereof |
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| CN205657861U true CN205657861U (en) | 2016-10-19 |
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| CN201620396208.4U Expired - Fee Related CN205657861U (en) | 2016-05-04 | 2016-05-04 | Electromagnetic heating cooks device and drive circuit thereof |
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| CN106793220A (en) * | 2016-12-20 | 2017-05-31 | 珠海格力电器股份有限公司 | Capacitor discharge method and circuit of electromagnetic heating device and electromagnetic oven |
| CN107809231A (en) * | 2017-09-25 | 2018-03-16 | 上海卫星工程研究所 | Spaceborne heating plate power field effect drive control and state acquisition circuit and method |
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| CN108809283A (en) * | 2017-05-02 | 2018-11-13 | 佛山市顺德区美的电热电器制造有限公司 | The Drive Protecting Circuit of electromagnetic heating system and its IGBT |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106793220A (en) * | 2016-12-20 | 2017-05-31 | 珠海格力电器股份有限公司 | Capacitor discharge method and circuit of electromagnetic heating device and electromagnetic oven |
| CN106793220B (en) * | 2016-12-20 | 2023-02-03 | 珠海格力电器股份有限公司 | Capacitor discharge method and circuit of electromagnetic heating device and electromagnetic oven |
| CN108809283A (en) * | 2017-05-02 | 2018-11-13 | 佛山市顺德区美的电热电器制造有限公司 | The Drive Protecting Circuit of electromagnetic heating system and its IGBT |
| CN107809231A (en) * | 2017-09-25 | 2018-03-16 | 上海卫星工程研究所 | Spaceborne heating plate power field effect drive control and state acquisition circuit and method |
| CN107809231B (en) * | 2017-09-25 | 2021-07-30 | 上海卫星工程研究所 | Satellite-borne heating plate power field effect driving control and state acquisition circuit and method |
| CN108541094A (en) * | 2018-05-14 | 2018-09-14 | 顺德职业技术学院 | A kind of outdoor cooking device based on DC low-voltage electromagnetic heating technique |
| CN108541094B (en) * | 2018-05-14 | 2024-03-29 | 顺德职业技术学院 | Outdoor cooker based on direct-current low-voltage electromagnetic heating technology |
| CN109327019A (en) * | 2018-10-17 | 2019-02-12 | 广东美的厨房电器制造有限公司 | A kind of circuit board discharge control method, discharge control device and circuit board |
| CN110567007A (en) * | 2019-09-17 | 2019-12-13 | 珠海格力电器股份有限公司 | Half-bridge induction cooker pot detection method and device and half-bridge induction cooker |
| CN110567007B (en) * | 2019-09-17 | 2020-06-05 | 珠海格力电器股份有限公司 | Half-bridge induction cooker pot detection method and device and half-bridge induction cooker |
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