CN108662629B - Adjust the method, apparatus and electromagnetic oven of power device temperature in electromagnetic oven - Google Patents
Adjust the method, apparatus and electromagnetic oven of power device temperature in electromagnetic oven Download PDFInfo
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- CN108662629B CN108662629B CN201710197253.6A CN201710197253A CN108662629B CN 108662629 B CN108662629 B CN 108662629B CN 201710197253 A CN201710197253 A CN 201710197253A CN 108662629 B CN108662629 B CN 108662629B
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- temperature
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- electromagnetic oven
- power device
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/08—Arrangement or mounting of control or safety devices
- F24C7/082—Arrangement or mounting of control or safety devices on ranges, e.g. control panels, illumination
-
- 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
- H05B6/06—Control, e.g. of temperature, of power
- H05B6/062—Control, e.g. of temperature, of power for cooking plates or the like
-
- 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
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/02—Induction heating
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The present invention relates to household appliance technical field, the method for power device temperature, device and household electrical appliance for adjusting power device temperature in household electrical appliance in a kind of adjusting household electrical appliance are disclosed.It is exported this method comprises: controlling the household electrical appliance with an output power；Detect the temperature of the power device；And after the temperature of the power device is stablized, the output power of the household electrical appliance is adjusted, so that the power device is in optimum temperature.The device is corresponding with the above method, comprising: temperature-detecting device, driving circuit and controller.The household electrical appliance include above-mentioned apparatus.Taking this, household electrical appliance make its power device be in optimum temperature by automatically adjusting its operating power, thus realize that the power device temperature rise is minimum, the function of the power device automatic adjustment temperature rise of different household electrical appliance.
Description
Technical field
The present invention relates to household appliance technical fields, and in particular, to a kind of side for adjusting power device temperature in household electrical appliance
Method, device and household electrical appliance for adjusting power device temperature in household electrical appliance.
Background technique
Electromagnetic oven is a kind of using electromagnetic inductive heating principle, and the New type kitchen range of eddy heating for heating is carried out to pot body.In electromagnetism
Furnace interior, becomes DC voltage for alternating voltage by rectification circuit, and DC voltage is converted into high-frequency electrical using control circuit
Pressure.The electric current of high speed variation, which flows through coil, can generate high speed changing magnetic field, and the magnetic line of force in magnetic field passes through metalware bottom
Countless small vortex is generated in metallic object, making vessel itself, voluntarily high speed is generated heat, and then reheats the thing in vessel.
(general 240V~more than) work under high alternating voltage of current electromagnetic oven is all when IGBT temperature rise is excessively high
Power is manually adjusted for 430 cookwares and 304 cookwares, a suitable power is found and then solidifies in a program, it is all
Electromagnetic oven is heated according to this cured power, and this method has the cookware of 430 and 304 both materials relatively good
Improve, wherein 430 and 304 be the generation title of two kinds of manufacture cookware materials.But the cookware outside both materials is used, effect is different
It surely is best, while this method is influenced also bigger by disk spacing, when disk spacing changes, temperature rise is also deteriorated, i.e.,
The temperature of the power device of the electromagnetic oven is not minimum.
Summary of the invention
The method of power device temperature in household electrical appliance is adjusted, for adjusting household electric the object of the present invention is to provide a kind of
The device and household electrical appliance of power device temperature in device, this method can make household electrical appliance by automatically adjusting its operating power, look for
To suitable operating power, its power device is made to be in optimum temperature, to realize that the power device temperature rise is minimum, not consanguinity
The function of the power device automatic adjustment temperature rise of electrical appliance.
To achieve the goals above, the present invention provides a kind of method for adjusting power device temperature in household electrical appliance, the party
Method includes: that the control household electrical appliance are exported with an output power；Detect the temperature of the power device；And described
After the temperature of power device is stablized, the output power of the household electrical appliance is adjusted, so that the power device is in best
Temperature.
Optionally, the output power for adjusting the household electrical appliance, so that the power device is in optimum temperature
It include: the output power for increasing the household electrical appliance；In the case where the decline of the temperature of the power device, continue described in increase
The output power of household electrical appliance；And if continuing to increase the temperature of the power device after the output power of the household electrical appliance not
Decline, then keep the output power of the household electrical appliance.
Optionally, the output power for adjusting the household electrical appliance, so that the power device is in optimum temperature
It include: the output power for increasing the household electrical appliance；In the case where the temperature of the power device does not decline, reduce the family
The output power of electrical appliance；And if reduce the temperature of the power device after the output power of the household electrical appliance and do not decline,
Then keep the output power of the household electrical appliance.
Optionally, the output power for adjusting the household electrical appliance, so that the power device is in optimum temperature
It include: the output power for reducing the household electrical appliance；In the case where the decline of the temperature of the power device, continue described in reduction
The output power of household electrical appliance；And if continuing to reduce the temperature of the power device after the output power of the household electrical appliance not
Decline, then keep the output power of the household electrical appliance.
Optionally, the output power for adjusting the household electrical appliance, so that the power device is in optimum temperature
It include: the output power for reducing the household electrical appliance；In the case where the temperature of the power device does not decline, increase the family
The output power of electrical appliance；And if increase the temperature of the power device after the output power of the household electrical appliance and do not decline,
Then keep the output power of the household electrical appliance.
Correspondingly, the present invention provides a kind of for adjusting the device of power device temperature in household electrical appliance, the device packet
It includes: temperature-detecting device, for detecting the temperature of the power device；Driving circuit, for driving the power device；And
Controller controls the driving circuit after the temperature of the power device is stablized to adjust the output of the household electrical appliance
Power, so that the optimum temperature that the power device is in.
Optionally, the control driving circuit is to adjust the output power of the household electrical appliance so that the power
The optimum temperature that device is in includes: the output power for increasing the household electrical appliance；Decline in the temperature of the power device
In the case of, continue the output power for increasing the household electrical appliance；And if after continuing to increase the output power of the household electrical appliance
The temperature of the power device does not decline, then keeps the output power of the household electrical appliance.
Optionally, the control driving circuit is to adjust the output power of the household electrical appliance so that the power
The optimum temperature that device is in includes: the output power for increasing the household electrical appliance；Do not decline in the temperature of the power device
In the case where, reduce the output power of the household electrical appliance；And if reducing the function after the output power of the household electrical appliance
The temperature of rate device does not decline, then keeps the output power of the household electrical appliance.
Optionally, the control driving circuit is to adjust the output power of the household electrical appliance so that the power
The optimum temperature that device is in includes: the output power for reducing the household electrical appliance；Decline in the temperature of the power device
In the case of, continue the output power for reducing the household electrical appliance；And if after continuing to reduce the output power of the household electrical appliance
The temperature of the power device does not decline, then keeps the output power of the household electrical appliance.
Optionally, the control driving circuit is to adjust the output power of the household electrical appliance so that the power
The optimum temperature that device is in includes: the output power for reducing the household electrical appliance；Do not decline in the temperature of the power device
In the case where, increase the output power of the household electrical appliance；And if increasing the function after the output power of the household electrical appliance
The temperature of rate device does not decline, then keeps the output power of the household electrical appliance.
In addition, the household electrical appliance include above-mentioned device the present invention also provides a kind of household electrical appliance.
Optionally, the household electrical appliance are electromagnetic oven.
Through the above technical solutions, by the output power of control household electrical appliance, in conjunction with the power for detecting the household electrical appliance
The temperature of device realizes that the output power for adjusting the household electrical appliance makes its power device be in optimum temperature, to realize institute
State that power device temperature rise is minimum, the function of the power device automatic adjustment temperature rise of different household electrical appliance.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The drawings are intended to provide a further understanding of the invention, and constitutes part of specification, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart for adjusting the method for power device temperature in household electrical appliance that the embodiment of the present invention one provides；
Fig. 2 is the flow chart of the method for power device temperature in adjusting household electrical appliance provided by Embodiment 2 of the present invention；
The flow chart for adjusting the method for power device temperature in household electrical appliance that Fig. 3 embodiment of the present invention three provides
Fig. 4 is that the structure for adjusting the device of power device temperature in household electrical appliance that the embodiment of the present invention four provides is shown
It is intended to；And
Fig. 5 is the work flow diagram for the household electrical appliance including Fig. 4 described device that the embodiment of the present invention five provides.
Specific embodiment
Below in conjunction with attached drawing, detailed description of the preferred embodiments.It should be understood that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
Fig. 1 is the flow chart for adjusting the method for power device temperature in household electrical appliance that the embodiment of the present invention one provides.It should
Method the following steps are included:
S10: the household electrical appliance are controlled and are exported with an output power；
S11: the temperature of the power device is detected；And
S12: after the temperature of the power device is stablized, the output power of the household electrical appliance is adjusted, so that institute
It states power device and is in optimum temperature.
In the method provided by the embodiment, after the stable output power of the household electrical appliance, i.e., the described power device
The temperature of part is stablized, and by automatically adjusting the output power of the household electrical appliance, is matched with searching with the household electrical appliance
Power device temperature, so that the power device is in optimum temperature, i.e., so that the minimum temperature of the power device temperature, from
And realize that the power device temperature rise is minimum, the function of the power device automatic adjustment temperature rise of different household electrical appliance.
Fig. 2 is the flow chart of the method for power device temperature in adjusting household electrical appliance provided by Embodiment 2 of the present invention.With
Unlike Fig. 1 the method, has been described in detail how after the temperature of the power device is stablized, adjust the household electric
The output power of device, so that the power device is in optimum temperature, i.e., so that the minimum temperature of the power device temperature rise.
As shown in Fig. 2, method provided by the present embodiment two the following steps are included:
Step S20: the household electrical appliance are controlled and are exported with an output power；
Step S21: the temperature of the power device is detected；
Step S22: current power is increased automatically；
Step S23: whether power device temperature declines；If so, S24 is thened follow the steps, if it is not, thening follow the steps S27；
Step S24: increasing current power automatically,
Step S25: whether power device temperature declines；If so, S24 is thened follow the steps, if it is not, thening follow the steps S26: protecting
Current power heating is held, is taken this, the output power by automatically adjusting the household electrical appliance finds the best of the power device
Temperature；
Step S27: reducing current power automatically,
Step S28: whether power device temperature declines；If so, S27 is thened follow the steps, if it is not, thening follow the steps S29: protecting
Current power heating is held, is taken this, the output power by automatically adjusting the household electrical appliance finds the best of the power device
Temperature.
Fig. 3 is the flow chart for adjusting the method for power device temperature in household electrical appliance that the embodiment of the present invention three provides.With
Method shown in embodiment in Fig. 2 the difference is that, after executing step S31 (temperature for detecting the power device), hold
Row step S32: current power is reduced by software, and then executes following steps:
Step S33: whether power device temperature declines；If so, S34 is thened follow the steps, if it is not, thening follow the steps S37；
Step S34: reducing current power automatically,
Step S35: whether power device temperature declines；If so, S34 is thened follow the steps, if it is not, thening follow the steps S36: protecting
Current power heating is held, is taken this, the output power by automatically adjusting the household electrical appliance finds the best of the power device
Temperature；
Step S37: increasing current power automatically,
Step S38: whether power device temperature declines；If so, S37 is thened follow the steps, if it is not, thening follow the steps S39: protecting
Hold current power heating.Take this, the output power by automatically adjusting the household electrical appliance finds the best of the power device
Temperature.
Fig. 4 is that the structure for adjusting the device of power device temperature in household electrical appliance that the embodiment of the present invention four provides is shown
It is intended to.As shown in figure 4, the device includes: temperature-detecting device 42, for detecting the temperature of the power device；Driving circuit
41, for driving the power device；And controller 40 controls the drive after the temperature of the power device is stablized
Circuit is moved to adjust the output power of the household electrical appliance, so that the optimum temperature that the power device is in.When the temperature
After degree detection device 42 detects that the power device temperature is stablized, the controller 40 controls the driving circuit 41 and adjusts institute
The output power of household electrical appliance is stated, and then adjusts the temperature of the power device, the power device is finally made to be in best
Temperature realizes the function of the power device temperature rise of automatic adjustment household electrical appliance so that the temperature rise of the power device is minimum.
Wherein, for controlling the driving circuit to adjust the output power of the household electrical appliance so that the power device
The optimum temperature that part is in,
The executable following operation of the controller 40: increase the output power of the household electrical appliance；
In the case where the decline of the temperature of the power device, continue the output power for increasing the household electrical appliance；And
If the temperature for continuing to increase the power device after the output powers of the household electrical appliance does not decline, keep described in
The output power of household electrical appliance.
Alternatively, the controller 40 can also carry out following operation: increasing the output power of the household electrical appliance；In the function
In the case that the temperature of rate device does not decline, reduce the output power of the household electrical appliance；And if reducing the household electrical appliance
Output power after the temperature of the power device do not decline, then keep the output power of the household electrical appliance.
In addition, for controlling the driving circuit to adjust the output power of the household electrical appliance so that the power device
The optimum temperature that part is in,
The executable following operation of the controller 40: reduce the output power of the household electrical appliance；In the power device
Temperature decline in the case where, continue the output power for reducing the household electrical appliance；And if continuing to reduce the household electrical appliance
Output power after the temperature of the power device do not decline, then keep the output power of the household electrical appliance.
Following operation also can be performed in the controller 40: reducing the output power of the household electrical appliance；In the power device
In the case that the temperature of part does not decline, increase the output power of the household electrical appliance；And if increasing the defeated of the household electrical appliance
The temperature of the power device does not decline after power out, then keeps the output power of the household electrical appliance.
The present invention also provides a kind of household electrical appliance, which includes device described in above-described embodiment, wherein
The household electrical appliance can be electromagnetic oven.
Fig. 5 is the work flow diagram for the household electrical appliance including Fig. 4 described device that the embodiment of the present invention five provides.In this reality
It applies in example, power device selects IGBT.As shown in figure 5, household electrical appliance add according to constant power at line voltage (>=240V)
Heat (such as 430 cookwares are according to fixed X1W power heating, 304 cookwares according to fixed X2W power heating), when IGBT temperature rise is stablized, i.e.,
After temperature reaches stationary value, current power is increased by software automatically, and the household is adjusted according to IGBT temperature variation
The output power of electric appliance: current power is increased by software automatically if IGBT temperature decline, hereafter, if the IGBT temperature
Decline then executes and increases current power automatically by software, forms circulation, keeps current power if the IGBT temperature does not decline
Heating；If the IGBT temperature does not decline current power is reduced by software automatically, hereafter, is held if IGBT temperature decline
Row reduces current power by software automatically, keeps current power to heat if the IGBT temperature does not decline.In this way, finding described
The suitable operating power of household electrical appliance keeps its temperature rise minimum so that the IGBT is in optimum temperature, realizes automatic adjustment man
The function of the power device temperature rise of electrical appliance.
In addition to the workflow for the household electrical appliance that the embodiment described in Fig. 5 provides, can also after the IGBT temperature rise is stablized,
Reduce current power automatically by software, next execute following operation: is automatic by software if IGBT temperature decline
Reduce current power, hereafter, is executed if IGBT temperature decline and current power is reduced by software automatically, form circulation, if
The IGBT temperature does not decline, and current power is kept to heat；It is increased automatically currently if the IGBT temperature does not decline by software
Hereafter power executes if IGBT temperature decline and increases current power automatically by software, if the IGBT temperature does not decline
Keep current power heating.
Described in synthesis, the present invention is become by the output power of automatic adjustment household electrical appliance with the temperature of the power device
Foundation is turned to, suitable output power is had found, so that the power device is in optimum temperature, i.e., the described power device is most
Low temperature, thus realize that the power device temperature rise is minimum, the function of the power device automatic adjustment temperature rise of different household electrical appliance.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical solution of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case where shield, it can be combined in any appropriate way.In order to avoid unnecessary repetition, the present invention to it is various can
No further explanation will be given for the combination of energy.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (11)
1. a kind of method for adjusting power device temperature in electromagnetic oven, which is characterized in that this method comprises:
The electromagnetic oven is controlled to be exported with an output power；
Detect the temperature of the power device；And
After the temperature of the power device is stablized, the output power of the electromagnetic oven is adjusted, so that the power device
In optimum temperature, to realize that the power device temperature rise is minimum.
2. the method according to claim 1, wherein the output power for adjusting the electromagnetic oven, so that
The power device includes: in optimum temperature
Increase the output power of the electromagnetic oven；
In the case where the decline of the temperature of the power device, continue the output power for increasing the electromagnetic oven；And
If the temperature for continuing to increase the power device after the output power of the electromagnetic oven does not decline, the electromagnetic oven is kept
Output power.
3. the method according to claim 1, wherein the output power for adjusting the electromagnetic oven, so that
The power device includes: in optimum temperature
Increase the output power of the electromagnetic oven；
In the case where the temperature of the power device does not decline, reduce the output power of the electromagnetic oven；And
If the temperature for reducing the power device after the output power of the electromagnetic oven does not decline, the defeated of the electromagnetic oven is kept
Power out.
4. the method according to claim 1, wherein the output power for adjusting the electromagnetic oven, so that
The power device includes: in optimum temperature
Reduce the output power of the electromagnetic oven；
In the case where the decline of the temperature of the power device, continue the output power for reducing the electromagnetic oven；And
If the temperature for continuing to reduce the power device after the output power of the electromagnetic oven does not decline, the electromagnetic oven is kept
Output power.
5. the method according to claim 1, wherein the output power for adjusting the electromagnetic oven, so that
The power device includes: in optimum temperature
Reduce the output power of the electromagnetic oven；
In the case where the temperature of the power device does not decline, increase the output power of the electromagnetic oven；And
If the temperature for increasing the power device after the output power of the electromagnetic oven does not decline, the defeated of the electromagnetic oven is kept
Power out.
6. a kind of for adjusting the device of power device temperature in electromagnetic oven, which is characterized in that the device includes:
Temperature-detecting device, for detecting the temperature of the power device；
Driving circuit, for driving the power device；And
Controller controls the driving circuit after the temperature of the power device is stablized to adjust the defeated of the electromagnetic oven
Power out, so that the power device is in optimum temperature, to realize that the power device temperature rise is minimum.
7. device according to claim 6, which is characterized in that the control driving circuit is to adjust the electromagnetic oven
Output power so that the optimum temperature that the power device is in includes:
Increase the output power of the electromagnetic oven；
In the case where the decline of the temperature of the power device, continue the output power for increasing the electromagnetic oven；And
If the temperature for continuing to increase the power device after the output power of the electromagnetic oven does not decline, the electromagnetic oven is kept
Output power.
8. device according to claim 6, which is characterized in that the control driving circuit is to adjust the electromagnetic oven
Output power so that the optimum temperature that the power device is in includes:
Increase the output power of the electromagnetic oven；
In the case where the temperature of the power device does not decline, reduce the output power of the electromagnetic oven；And
If the temperature for reducing the power device after the output power of the electromagnetic oven does not decline, the defeated of the electromagnetic oven is kept
Power out.
9. device according to claim 6, which is characterized in that the control driving circuit is to adjust the electromagnetic oven
Output power so that the optimum temperature that the power device is in includes:
Reduce the output power of the electromagnetic oven；
In the case where the decline of the temperature of the power device, continue the output power for reducing the electromagnetic oven；And
If the temperature for continuing to reduce the power device after the output power of the electromagnetic oven does not decline, the electromagnetic oven is kept
Output power.
10. device according to claim 6, which is characterized in that the control driving circuit is to adjust the electromagnetism
The output power of furnace is so that the optimum temperature that the power device is in includes:
Reduce the output power of the electromagnetic oven；
In the case where the temperature of the power device does not decline, increase the output power of the electromagnetic oven；And
If the temperature for increasing the power device after the output power of the electromagnetic oven does not decline, the defeated of the electromagnetic oven is kept
Power out.
11. a kind of electromagnetic oven, which is characterized in that the electromagnetic oven includes the described in any item devices of claim 6-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197253.6A CN108662629B (en) | 2017-03-29 | 2017-03-29 | Adjust the method, apparatus and electromagnetic oven of power device temperature in electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710197253.6A CN108662629B (en) | 2017-03-29 | 2017-03-29 | Adjust the method, apparatus and electromagnetic oven of power device temperature in electromagnetic oven |
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| Publication Number | Publication Date |
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| CN108662629A CN108662629A (en) | 2018-10-16 |
| CN108662629B true CN108662629B (en) | 2019-09-06 |
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ID=63786184
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| CN201710197253.6A Active CN108662629B (en) | 2017-03-29 | 2017-03-29 | Adjust the method, apparatus and electromagnetic oven of power device temperature in electromagnetic oven |
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| CN201547849U (en) * | 2009-11-30 | 2010-08-11 | 中山市嘉德龙电器有限公司 | Induction cooker |
| CN104918342A (en) * | 2014-03-14 | 2015-09-16 | 美的集团股份有限公司 | Electromagnetic heating device and control assembly and control method thereof |
| CN105318366A (en) * | 2014-07-23 | 2016-02-10 | 上海推晋科技发展有限公司 | Oil smoke-resistant environment-friendly induction cooker |
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| CN106332341A (en) * | 2016-08-30 | 2017-01-11 | 杭州信多达电器有限公司 | Software pulse width modulation drive IGBT/MOSFET device method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8532158B2 (en) * | 2007-11-17 | 2013-09-10 | Inductotherm Corp. | Melting and mixing of materials in a crucible by electric induction heel process |
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- 2017-03-29 CN CN201710197253.6A patent/CN108662629B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201547849U (en) * | 2009-11-30 | 2010-08-11 | 中山市嘉德龙电器有限公司 | Induction cooker |
| CN104918342A (en) * | 2014-03-14 | 2015-09-16 | 美的集团股份有限公司 | Electromagnetic heating device and control assembly and control method thereof |
| CN105318366A (en) * | 2014-07-23 | 2016-02-10 | 上海推晋科技发展有限公司 | Oil smoke-resistant environment-friendly induction cooker |
| CN106304454A (en) * | 2016-08-01 | 2017-01-04 | 广东美的厨房电器制造有限公司 | The Poewr control method of microwave oven, device and microwave oven |
| CN106332341A (en) * | 2016-08-30 | 2017-01-11 | 杭州信多达电器有限公司 | Software pulse width modulation drive IGBT/MOSFET device method and device |
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| CN108662629A (en) | 2018-10-16 |
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