CN110801160B - Control method and system of cooking device and cooking device - Google Patents
Control method and system of cooking device and cooking device Download PDFInfo
- Publication number
- CN110801160B CN110801160B CN201810887589.XA CN201810887589A CN110801160B CN 110801160 B CN110801160 B CN 110801160B CN 201810887589 A CN201810887589 A CN 201810887589A CN 110801160 B CN110801160 B CN 110801160B
- Authority
- CN
- China
- Prior art keywords
- module
- frequency
- resonance
- ultrasonic vibrator
- real
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses a cooking device and a control method and system thereof. The control method of the cooking device comprises the following steps: adjusting the resonant frequency of the resonant module in a preset frequency detection interval; detecting a real-time voltage of the resonance module; determining the optimal resonant working frequency of the ultrasonic vibrator according to the real-time voltage; and performing ultrasonic cooking at the optimal resonance working frequency. The control method of the cooking device can enable the ultrasonic vibrator to be in the optimal working state, and improves the working efficiency of the ultrasonic vibrator.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a cooking device and a control method and system thereof.
Background
In the case of a cooking device using ultrasonic cooking technology, such as an electric cooker, an electric pressure cooker, and other cooking appliances having a cooking cavity therein, an ultrasonic heating device including ultrasonic vibrators has a possibility of deviation in the natural vibration frequency of each vibrator due to processing and assembly deviations, and when a fixed control frequency is used, the working frequency of the ultrasonic vibrator deviates from the fixed frequency and does not work in an optimal state, resulting in low working efficiency.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, a first object of the present invention is to propose a control method of a cooking apparatus. The method can enable the ultrasonic vibrator to be in the best working state and improve the working efficiency of the ultrasonic vibrator.
A second object of the present invention is to provide a control system for a cooking apparatus.
A third object of the present invention is to provide a cooking apparatus.
In order to achieve the above object, an embodiment of a first aspect of the present invention discloses a method for controlling a cooking apparatus, the cooking apparatus including an inverter module, a resonance module connected to the inverter module, a driving module for driving the inverter module, a control module for controlling the driving module, and a sampling circuit, the method including: adjusting the resonant frequency of the resonant module in a preset frequency detection interval; detecting a real-time voltage of the resonance module; determining the optimal resonant working frequency of the ultrasonic vibrator according to the real-time voltage; and performing ultrasonic cooking at the optimal resonance working frequency.
According to the control method of the cooking device, the optimal vibration frequency of the ultrasonic vibrator can be simply, conveniently and accurately detected, frequency deviation influenced by processing, process, assembly, material abnormity and the like is reduced, the ultrasonic vibrator can be in the optimal working state, and the working efficiency of the ultrasonic vibrator is improved.
In some examples, further comprising: acquiring the inherent vibration frequency of the ultrasonic vibrator in the resonance module; and determining the frequency detection interval according to the natural vibration frequency.
In some examples, the determining an optimal resonant operating frequency of the ultrasonic vibrator from a peak in the voltage includes: acquiring a peak voltage in the real-time voltage; and taking the resonance frequency corresponding to the peak voltage as the optimal resonance working frequency of the ultrasonic vibrator.
An embodiment of a second aspect of the present invention discloses a control system of a cooking apparatus, including: the contravariant module, with the resonance module that the contravariant module links to each other for the drive module of drive the contravariant module, the system includes: the control module is used for adjusting the resonant frequency of the resonant module in a preset frequency detection interval and determining the optimal resonant working frequency of the ultrasonic vibrator according to the real-time voltage; and the sampling circuit is connected with the control module and used for detecting the real-time voltage of the resonance module and feeding back the real-time voltage to the control module when the resonance frequency of the resonance module is adjusted in a preset frequency detection interval by the control module, and controlling the optimal resonance working frequency to perform ultrasonic cooking on the cooking device.
According to the control system of the cooking device, the optimal vibration frequency of the ultrasonic vibrator can be simply, conveniently and accurately detected, frequency deviation influenced by processing, process, assembly, material abnormity and the like is reduced, the ultrasonic vibrator can be in the optimal working state, and the working efficiency of the ultrasonic vibrator is improved.
In some examples, the control module is further configured to acquire a natural vibration frequency of an ultrasonic vibrator in the resonance module, and determine the frequency detection interval according to the natural vibration frequency.
In some examples, the control module is configured to obtain a peak voltage of the real-time voltage, and use a resonant frequency corresponding to the peak voltage as an optimal resonant operating frequency of the ultrasonic transducer.
A third aspect of the present invention discloses a cooking apparatus, comprising: the control system of the cooking device according to the embodiment of the second aspect described above. The cooking device can enable the ultrasonic vibrator to be in the best working state, and the working efficiency of the ultrasonic vibrator is improved.
Wherein, the cooking device comprises an electric cooker and an electric pressure cooker.
Drawings
Fig. 1 is a flowchart of a control method of a cooking apparatus according to an embodiment of the present invention;
fig. 2 is a block diagram of a control system of a cooking apparatus according to an embodiment of the present invention;
fig. 3 is a schematic circuit diagram of a control system of a cooking appliance according to an embodiment of the present invention.
Description of reference numerals:
the ultrasonic transducer comprises a power supply 10, a filtering module 20, a rectifying module 30, an inverting module 40, a resonance module 50, a sampling circuit 60, a control module 70, a driving module 80 and an ultrasonic vibrator 90.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
A method and a system for controlling a cooking apparatus and a cooking apparatus according to embodiments of the present invention will be described with reference to the accompanying drawings.
First, referring to fig. 2 in conjunction with fig. 3, the cooking apparatus includes a power supply 10, a filter module 20, a rectifier module 30, an inverter module 40, a resonance module 50, a sampling circuit 60, a control module 70, a driving module 80, and an ultrasonic vibrator 90.
The power supply 10 is connected to an ac power supply, such as a household commercial power, and is filtered by the filtering module 20, the rectifying module 30 is configured to rectify the ac power supply into a dc power, the dc power is inverted into a high-frequency power supply by the inverting module 40, and the inverted high-frequency power supply and the T2 form a resonance, where the resonance frequency is the same as the frequency of the high-frequency power supply of the inverting power supply. In a specific example, T2 is a high frequency transformer, its secondary winding and rectifier diode, capacitor, resistor, etc. form a sampling circuit 60, the sampling circuit 60 is connected to the control module 70, and the sampling circuit 60 is used to detect the voltage of the resonant module 50, so that the amplitude of the whole resonant circuit can be indirectly known.
As shown in fig. 1, a method for controlling a cooking apparatus according to an embodiment of the present invention includes the steps of:
s101: and adjusting the resonant frequency of the resonant module in a preset frequency detection interval.
First, a preset frequency detection interval may be predetermined, for example: and acquiring the inherent vibration frequency of the ultrasonic vibrator in the resonance module, and determining a frequency detection interval according to the inherent vibration frequency.
Specifically, although the ultrasonic transducer has the natural frequency F, the natural frequency is usually varied due to processing, process, assembly, material abnormality, and the like, and therefore, a frequency range in which the natural frequency F ±. Δ F is included may be used as the frequency detection section.
In this example, Δ F refers to a value of the frequency deviation affected by machining, process, assembly, material abnormality, etc., and may be determined empirically or experimentally, etc.
S102: the real-time voltage of the resonant module is detected.
Namely: in the process of adjusting the resonant frequency of the resonant module in a preset frequency detection interval, the real-time voltage of the resonant module can be acquired through the sampling circuit.
S103: and determining the optimal resonant working frequency of the ultrasonic vibrator according to the real-time voltage.
For example: and acquiring the peak voltage in the real-time voltage, and taking the resonance frequency corresponding to the peak voltage as the optimal resonance working frequency of the ultrasonic vibrator.
Specifically, the control module controls the resonance frequency of the resonance module to change at F ±. Δ F, and when the voltage fed back by the resonance circuit is detected to be the maximum value within the frequency range of F ±. Δ F, the control module calculates the resonance frequency F0 corresponding to the maximum value of the voltage, and then: f0 is the optimum vibration frequency of the ultrasonic transducer, that is: the optimum resonant operating frequency.
S104: ultrasonic cooking is performed at the optimum resonant operating frequency.
According to the control method of the cooking device, the optimal vibration frequency of the ultrasonic vibrator can be simply, conveniently and accurately detected, frequency deviation influenced by processing, process, assembly, material abnormity and the like is reduced, the ultrasonic vibrator can be in the optimal working state, and the working efficiency of the ultrasonic vibrator is improved.
It will be appreciated that the cooking device described above may be a variety of cooking devices including those employing ultrasonic cooking techniques, such as: electric rice cookers, electric pressure cookers, and the like.
Fig. 2 is a block diagram of a control system of a cooking apparatus according to an embodiment of the present invention. As shown in fig. 2 in conjunction with fig. 3, a control system of a cooking apparatus includes: the ultrasonic transducer comprises a power supply 10, a filtering module 20, a rectifying module 30, an inverting module 40, a resonance module 50, a sampling circuit 60, a control module 70, a driving module 80 and an ultrasonic vibrator 90.
The power supply 10 is connected to an ac power supply, such as a household commercial power, and is filtered by the filtering module 20, the rectifying module 30 is configured to rectify the ac power supply into a dc power, the dc power is inverted into a high-frequency power supply by the inverting module 40, and the inverted high-frequency power supply and the T2 form a resonance, where the resonance frequency is the same as the frequency of the high-frequency power supply of the inverting power supply. In a specific example, T2 is a high frequency transformer, its secondary winding and rectifier diode, capacitor, resistor, etc. form a sampling circuit 60, the sampling circuit 60 is connected to the control module 70, and the sampling circuit 60 is used to detect the voltage of the resonant module 50, so that the amplitude of the whole resonant circuit can be indirectly known.
The control module 70 is configured to adjust the resonant frequency of the resonant module 50 within a preset frequency detection interval, determine the optimal resonant operating frequency of the ultrasonic vibrator 90 according to the real-time voltage, and control the cooking device to perform ultrasonic cooking at the optimal resonant operating frequency. The sampling circuit 60 is connected to the control module 70, and configured to detect a real-time voltage of the resonance module 50 when the control module 70 adjusts the resonance frequency of the resonance module 50 within a preset frequency detection interval, and feed the real-time voltage back to the control module 70.
In an embodiment of the present invention, the control module 70 is further configured to obtain a natural vibration frequency of the ultrasonic vibrator in the resonance module 50, and determine the frequency detection interval according to the natural vibration frequency.
In an embodiment of the present invention, the control module 70 is configured to obtain a peak voltage of the real-time voltage, and use a resonant frequency corresponding to the peak voltage as an optimal resonant operating frequency of the ultrasonic vibrator 90.
According to the control system of the cooking device, the optimal vibration frequency of the ultrasonic vibrator can be simply, conveniently and accurately detected, frequency deviation influenced by processing, process, assembly, material abnormity and the like is reduced, the ultrasonic vibrator can be in the optimal working state, and the working efficiency of the ultrasonic vibrator is improved.
It should be noted that the specific implementation manner of the control system of the cooking device in the embodiment of the present invention is similar to the specific implementation manner of the control method of the cooking device in the embodiment of the present invention, and please refer to the description of the method part specifically, and no further description is given for reducing redundancy.
Further, an embodiment of the present invention discloses a cooking apparatus, including: the control system of the cooking device according to the above embodiments. In specific examples, cooking devices include, but are not limited to, electric cookers and electric pressure cookers. The cooking device can enable the ultrasonic vibrator to be in the best working state, and the working efficiency of the ultrasonic vibrator is improved.
In addition, other configurations and functions of the cooking apparatus according to the embodiment of the present invention are known to those skilled in the art, and are not described herein in detail in order to reduce redundancy.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (4)
1. A method for controlling a cooking apparatus, the cooking apparatus including an inverter module, a resonance module connected to the inverter module, a driving module for driving the inverter module, a control module for controlling the driving module, and a sampling circuit, the method comprising:
acquiring the inherent vibration frequency of the ultrasonic vibrator in the resonance module;
determining a frequency detection interval according to the natural vibration frequency;
adjusting the resonant frequency of the resonant module within the frequency detection interval;
detecting a real-time voltage of the resonance module;
determining the optimal resonant working frequency of the ultrasonic vibrator according to the real-time voltage;
performing ultrasonic cooking at the optimal resonant operating frequency; wherein the determining the optimal resonant operating frequency of the ultrasonic vibrator according to the real-time voltage comprises:
acquiring a peak voltage in the real-time voltage;
and taking the resonance frequency corresponding to the peak voltage as the optimal resonance working frequency of the ultrasonic vibrator.
2. A control system for a cooking device, comprising: the contravariant module, with the resonance module that the contravariant module links to each other for the drive module of drive the contravariant module, the system includes:
the control module is used for acquiring the natural vibration frequency of the ultrasonic vibrator in the resonance module, determining a frequency detection interval according to the natural vibration frequency, adjusting the resonance frequency of the resonance module in the frequency detection interval, determining the optimal resonance working frequency of the ultrasonic vibrator according to real-time voltage, and controlling the cooking device to perform ultrasonic cooking at the optimal resonance working frequency;
the sampling circuit is connected with the control module and is used for detecting the real-time voltage of the resonance module and feeding back the real-time voltage to the control module when the control module adjusts the resonance frequency of the resonance module within a preset frequency detection interval; the control module is used for obtaining the peak voltage in the real-time voltage and taking the resonance frequency corresponding to the peak voltage as the optimal resonance working frequency of the ultrasonic vibrator.
3. A cooking device, comprising: the control system of the cooking appliance according to claim 2.
4. The cooking device of claim 3, wherein the cooking device comprises an electric rice cooker and an electric pressure cooker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887589.XA CN110801160B (en) | 2018-08-06 | 2018-08-06 | Control method and system of cooking device and cooking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887589.XA CN110801160B (en) | 2018-08-06 | 2018-08-06 | Control method and system of cooking device and cooking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110801160A CN110801160A (en) | 2020-02-18 |
| CN110801160B true CN110801160B (en) | 2021-06-18 |
Family
ID=69487145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810887589.XA Active CN110801160B (en) | 2018-08-06 | 2018-08-06 | Control method and system of cooking device and cooking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110801160B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104002A (en) * | 1993-12-15 | 1995-06-21 | 许天昀 | Method for controlling resonance power conversion |
| CN1759471A (en) * | 2003-02-06 | 2006-04-12 | 兰姆研究有限公司 | Improved megasonic cleaning efficiency using auto- tuning of an RF generator at constant maximum efficiency |
| CN101170281A (en) * | 2006-10-27 | 2008-04-30 | 深圳职业技术学院 | Ultrasonic bar electric controlled system |
| CN101309529A (en) * | 2008-06-27 | 2008-11-19 | 武汉理工大学 | Intelligent control apparatus and method for high-power energy saving electromagnetic stove |
| CN202823836U (en) * | 2012-08-28 | 2013-03-27 | 惠州比亚迪电子有限公司 | Driving device for energy converter and debridement machine |
| CN103252314A (en) * | 2013-05-13 | 2013-08-21 | 河海大学常州校区 | Dynamic matching device of ultrasonic power supply and method thereof |
| CN203645850U (en) * | 2013-12-03 | 2014-06-11 | 郑州航空工业管理学院 | Control device of high power induction cooker |
| CN105430783A (en) * | 2015-12-22 | 2016-03-23 | 东莞市精诚电能设备有限公司 | Induction cooker circuit |
| CN205655432U (en) * | 2016-05-25 | 2016-10-19 | 深圳市赛元微电子有限公司 | Ultrasonic humidifier oscillation circuit |
| CN205793454U (en) * | 2016-07-04 | 2016-12-07 | 深圳市三利来智能厨业股份有限公司 | A kind of variable-frequency electromagnetic stove circuit |
| CN106686786A (en) * | 2015-11-11 | 2017-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating apparatus and control method and control circuit thereof |
| CN106961229A (en) * | 2017-04-06 | 2017-07-18 | 深圳拓邦股份有限公司 | A kind of self adaptation washing facility numerical control supersonic driver |
| CN207126777U (en) * | 2017-08-28 | 2018-03-23 | 湖北瑜晖超声科技有限公司 | A kind of frequency automatic tuning circuit being used in power ultrasonic wave-generator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013104107A1 (en) * | 2013-04-23 | 2014-10-23 | Cuciniale Gmbh | Method for controlling a cooking process |
| CN107860464B (en) * | 2017-12-09 | 2020-02-18 | 玉环震浪超声股份有限公司 | Ultrasonic generator working frequency point searching method |
-
2018
- 2018-08-06 CN CN201810887589.XA patent/CN110801160B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1104002A (en) * | 1993-12-15 | 1995-06-21 | 许天昀 | Method for controlling resonance power conversion |
| CN1759471A (en) * | 2003-02-06 | 2006-04-12 | 兰姆研究有限公司 | Improved megasonic cleaning efficiency using auto- tuning of an RF generator at constant maximum efficiency |
| CN101170281A (en) * | 2006-10-27 | 2008-04-30 | 深圳职业技术学院 | Ultrasonic bar electric controlled system |
| CN101309529A (en) * | 2008-06-27 | 2008-11-19 | 武汉理工大学 | Intelligent control apparatus and method for high-power energy saving electromagnetic stove |
| CN202823836U (en) * | 2012-08-28 | 2013-03-27 | 惠州比亚迪电子有限公司 | Driving device for energy converter and debridement machine |
| CN103252314A (en) * | 2013-05-13 | 2013-08-21 | 河海大学常州校区 | Dynamic matching device of ultrasonic power supply and method thereof |
| CN203645850U (en) * | 2013-12-03 | 2014-06-11 | 郑州航空工业管理学院 | Control device of high power induction cooker |
| CN106686786A (en) * | 2015-11-11 | 2017-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating apparatus and control method and control circuit thereof |
| CN105430783A (en) * | 2015-12-22 | 2016-03-23 | 东莞市精诚电能设备有限公司 | Induction cooker circuit |
| CN205655432U (en) * | 2016-05-25 | 2016-10-19 | 深圳市赛元微电子有限公司 | Ultrasonic humidifier oscillation circuit |
| CN205793454U (en) * | 2016-07-04 | 2016-12-07 | 深圳市三利来智能厨业股份有限公司 | A kind of variable-frequency electromagnetic stove circuit |
| CN106961229A (en) * | 2017-04-06 | 2017-07-18 | 深圳拓邦股份有限公司 | A kind of self adaptation washing facility numerical control supersonic driver |
| CN207126777U (en) * | 2017-08-28 | 2018-03-23 | 湖北瑜晖超声科技有限公司 | A kind of frequency automatic tuning circuit being used in power ultrasonic wave-generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110801160A (en) | 2020-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110801145B (en) | Control method and system of cooking device and cooking device | |
| CN110801144B (en) | Control method and system of cooking device and cooking device | |
| CN107155230B (en) | Electromagnetic heating cooking device, heating control circuit thereof and low-power heating control method | |
| JP5938718B2 (en) | Induction heating cooker and its control method | |
| CN107027202B (en) | Electromagnetic heating cooking device and heating control circuit and heating control method thereof | |
| US20190029078A1 (en) | Determining resonant frequency for quasi-resonant induction cooking devices | |
| CN110801160B (en) | Control method and system of cooking device and cooking device | |
| US20210029787A1 (en) | Determining presence of compatible cookware in induction heating systems | |
| EP2571331B1 (en) | An induction generator for induction heating devices and a method for the operation of an induction generator for induction heating elements | |
| CN107567122B (en) | Electromagnetic heating cooking system and heating control device and control method thereof | |
| JP4706307B2 (en) | Induction heating device | |
| KR20060081743A (en) | Method for controlling power-level of induction heating cooker | |
| US20210105871A1 (en) | Induction heating device and method for controlling induction heating device | |
| KR101191297B1 (en) | Induction heating appatus and control method for the same | |
| CN110505726B (en) | Magnetron driving power supply, control method thereof and microwave cooking equipment | |
| JP6854405B2 (en) | Drive control method for induction heating device and induction heating device | |
| CN109951908B (en) | Electromagnetic heating system and IGBT drive control circuit and drive control method thereof | |
| JP4970829B2 (en) | Electromagnetic induction heating cooker | |
| CN111381532B (en) | Frequency control device and ultrasonic transducer system | |
| CN111227635A (en) | Cooking appliance and drive control method and device of ultrasonic vibrator | |
| CN106470506B (en) | Electromagnetic heating system and switching-on control device and method of switch tube thereof | |
| CN112714514B (en) | Electromagnetic heating equipment and heating control system and method thereof | |
| TWI713410B (en) | Electromagnetic induction heating device | |
| CN110418448B (en) | Electromagnetic heating cooking utensil and drive control circuit and control method of IGBT (insulated gate bipolar transistor) tube thereof | |
| CN112770430B (en) | EMC (electro magnetic compatibility) optimization method, electromagnetic heating circuit and electromagnetic heating appliance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |