WO2020220668A1 - Microwave oven control method and system, and microwave oven - Google Patents

Microwave oven control method and system, and microwave oven Download PDF

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Publication number
WO2020220668A1
WO2020220668A1 PCT/CN2019/122020 CN2019122020W WO2020220668A1 WO 2020220668 A1 WO2020220668 A1 WO 2020220668A1 CN 2019122020 W CN2019122020 W CN 2019122020W WO 2020220668 A1 WO2020220668 A1 WO 2020220668A1
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WIPO (PCT)
Prior art keywords
microwave oven
standing wave
microwave
power
angle
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PCT/CN2019/122020
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French (fr)
Chinese (zh)
Inventor
吴添洪
夏然
陈茂顺
唐相伟
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广东美的厨房电器制造有限公司
美的集团股份有限公司
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Application filed by 广东美的厨房电器制造有限公司, 美的集团股份有限公司 filed Critical 广东美的厨房电器制造有限公司
Publication of WO2020220668A1 publication Critical patent/WO2020220668A1/en

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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/66—Circuits
    • H05B6/68—Circuits for monitoring or control
    • H05B6/687—Circuits for monitoring or control for cooking
    • 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
    • H05B2206/04—Heating using microwaves

Definitions

  • This application relates to the technical field of kitchen appliances, in particular to a method and system for controlling a microwave oven, and a microwave oven.
  • a microwave oven using a magnetron as shown in Fig. 7, the microwave power emitted by the magnetron passes through a waveguide and is conducted into the microwave cavity to heat food and the like.
  • the specific load food
  • the specific load food
  • the specific load food
  • the mismatch causes the formation of standing waves, that is, the reflection of microwave power.
  • the reflected power cannot be used effectively. Because of heating, the reflection of microwave power leads to a decrease in heating efficiency.
  • the impedance also changes with the rotation, and the standing wave value and reflection also change.
  • the impedance also changes with the rotation, and the standing wave value and reflection also change. Heating at certain angles Low efficiency.
  • This application aims to solve at least one of the above technical problems.
  • one purpose of this application is to propose a method for controlling a microwave oven.
  • This method can adjust the residence time at each angle according to the value of the standing wave, so that it can effectively reduce the heating of the food at the angle with high reflected power, and stay at the angle with low reflected power for more time.
  • the food is heated, so that the heating efficiency of the microwave oven can be improved.
  • the second purpose of this application is to propose a control system for a microwave oven.
  • the third purpose of this application is to propose a microwave oven.
  • the fourth purpose of this application is to provide a non-transitory computer-readable storage medium.
  • the fifth purpose of this application is to propose a kitchen appliance.
  • the first aspect of the present application discloses a method for controlling a microwave oven, which includes the following steps: detecting the standing wave state of the microwave; determining, according to the standing wave state, multiple standing waves corresponding to multiple angles one-to-one Value; According to the multiple standing wave values one-to-one corresponding to the multiple angles, adjust the residence time rotating to each angle.
  • the residence time at each angle can be adjusted according to the value of the standing wave. In this way, the heating of food at the angle with high reflected power can be effectively reduced, and more time can be stayed in the reflection.
  • the food is heated at a low power angle, thereby improving the heating efficiency of the microwave oven.
  • adjusting the stay time when rotated to each angle includes: the greater the standing wave value at the current angle, the stay at that angle The shorter the time.
  • the detecting the standing wave state of the microwave includes: detecting the power of the microwave in the waveguide, wherein the power of the microwave includes a forward power and a reverse power; and determining the standing wave state of the microwave according to the power of the microwave.
  • the second aspect of the application discloses a control system for a microwave oven, which includes: a detection module for detecting the standing wave state of the microwave; a control module for determining a one-to-one correspondence with multiple angles according to the standing wave state. According to the multiple standing wave values one-to-one corresponding to the multiple angles, the residence time of the rotation to each angle is adjusted.
  • the residence time of each angle can be adjusted according to the value of the standing wave. In this way, the heating of food at the angle with high reflected power can be effectively reduced, and more time can be stayed in the reflected power. The food is heated at a low angle, thereby improving the heating efficiency of the microwave oven.
  • the control module is used for the greater the value of the standing wave at the current angle, the shorter the dwell time rotating to the angle.
  • the detection module is used to detect the power of the microwave in the waveguide, wherein the power of the microwave includes forward power and reverse power, and determines the standing wave state of the microwave according to the power of the microwave.
  • a third aspect of the present application discloses a microwave oven, including: the control system of the microwave oven according to the second aspect described above.
  • the fourth aspect of the present application discloses a non-transitory computer-readable storage medium with a computer program stored thereon, characterized in that a control program for a microwave oven is stored thereon, and the control program of the microwave oven is executed when the processor is executed The control method of the microwave oven described in the above first aspect.
  • the embodiment of the fifth aspect of the present application discloses a kitchen appliance, including a memory, a processor, and a control program of a microwave oven stored in the memory and running on the processor, and the processor executes the control program of the microwave oven When realizing the control method of the microwave oven described in the first aspect.
  • Figure 1 is a flowchart of a method for controlling a microwave oven according to the present application
  • FIG. 2 is a schematic diagram of a microwave oven according to the present application.
  • Figures 3 to 5 are schematic diagrams of the power reflection coefficient of the microwave oven under different loads from 0 to 360 degrees;
  • FIG. 6 is a structural block diagram of the control system of the microwave oven according to the present application.
  • Fig. 7 is a schematic diagram of a microwave oven in the related art.
  • Fig. 1 is a flowchart of a method for controlling a microwave oven according to the present application. As shown in Figure 1, the method for controlling a microwave oven according to the present application includes the following steps:
  • the magnetron 1 emits microwave power, and the microwave power is transmitted to the microwave oven through the waveguide 2 to heat food (load, that is, load).
  • the microwave oven of the embodiment includes a motor 3 with a controllable rotation speed, such as a stepping motor, so that the rotation speed of the stirring plate 4 can be adjusted.
  • the stirring plate may also be an antenna.
  • the forward power and reverse power of the microwave can be detected by the semiconductor directional coupler arranged on the waveguide, thereby determining the standing wave state.
  • S102 Determine multiple standing wave values one-to-one corresponding to multiple angles according to the standing wave state.
  • the magnitude of the power reflection of the microwave can be calculated, that is, the magnitude of the standing wave value.
  • the reverse power of the microwave will change when the stirring plate rotates to different angles due to changes in impedance, that is, the reflected power fluctuates. Therefore, the value of the standing wave changes at different angles.
  • multiple standing wave values corresponding to multiple angles can be determined according to the standing wave state.
  • the plurality of angles change with one degree as one angle, for example, and they can also change with one angle as two degrees, 3 degrees, 4 degrees, and 5 degrees.
  • the angle can be quickly rotated, that is: The residence time is shorter under the angle, on the contrary, the smaller the standing wave value, that is: the smaller the reflected power, the higher the heating efficiency at this time.
  • adjusting the dwell time of rotation to each angle includes: the greater the standing wave value at the current angle, the greater the rotation The shorter the residence time to this angle. That is: the staying time at the angle with low reflected power is longer than the staying time at the angle with high reflected power, for example:
  • standing wave value VSWR1 corresponds to stay time T1
  • standing wave value VSWR2 corresponds to stay time T2
  • any VSWR2 ⁇ VSWR1 both are T2 ⁇ T1. In this way, the heating efficiency of food can be effectively improved.
  • the heating efficiency can be fixed at the angle with the smallest standing wave value. At this time, the heating efficiency can be maximized.
  • FIG. 3-5 it is a schematic diagram of the power reflection coefficient at an antenna angle of 0 to 360 degrees.
  • the residence time of the rotation to each angle can be adjusted according to the value of the standing wave. In this way, the heating of food at the angle with high reflected power can be effectively reduced, and more The time stays at the angle with low reflected power to heat the food, so that the heating efficiency of the microwave oven can be improved.
  • the smaller the reflected power the higher the heating efficiency.
  • the higher the reflected power Smaller the higher the heating efficiency, but in order to avoid possible scorching, so you can quickly pass through the angle.
  • the heating should be carried out for a relatively long time at an angle with an appropriate value of the standing wave, so that, on the one hand, the heating efficiency of the microwave oven can be effectively improved, and on the other hand, it can also prevent the food from being burnt due to the high heating efficiency. That is: staying at an angle with a moderate value of the standing wave for more time to heat the food, thereby improving the uniformity of the food heating, ensuring the heating efficiency to a certain extent, and preventing the food from burning.
  • Fig. 6 is a structural block diagram of the control system of the microwave oven according to the present application.
  • the control system 600 of the microwave oven according to the present application includes: a detection module 610 and a control module 620.
  • the detection module 610 is used to detect the standing wave state of the microwave.
  • the control module 6230 is configured to determine multiple standing wave values one-to-one corresponding to multiple angles according to the standing wave state, and adjust the rotation to each angle according to multiple standing wave values one-to-one corresponding to the multiple angles The stay time under.
  • the control module 620 is used for when the value of the standing wave at the current angle is larger, the residence time to rotate to the angle is shorter.
  • the residence time of rotation to a small angle can be adjusted according to the value of the standing wave. In this way, the heating of food at the angle with high reflected power can be effectively reduced, and the residence time can be longer.
  • the food is heated at an angle with low reflected power, so that the heating efficiency of the microwave oven can be improved.
  • the embodiments of the present application can make the heated food be heated at an angle with a moderate value of the standing wave for more time to heat the food, thereby improving the heating uniformity of the food, ensuring the heating efficiency to a certain extent, and avoiding the food. Burnt.
  • the detection module 610 is used to detect the power of the microwave in the waveguide, where the power of the microwave includes forward power and reverse power, and determines the standing wave state of the microwave according to the power of the microwave.
  • the present application discloses a microwave oven, including: the control system of the microwave oven according to any one of the above embodiments.
  • the microwave oven can adjust the rotation speed when rotating to each angle according to the value of the standing wave. In this way, it can effectively reduce the heating of food at the angle with high reflected power, and stay at the angle with low reflected power for more time. The food is heated, so that the heating efficiency of the microwave oven can be improved.
  • the present application discloses a non-transitory computer-readable storage medium with a computer program stored thereon, and is characterized in that a control program for a microwave oven is stored thereon, and when the control program of the microwave oven is executed by a processor, the above-mentioned first The control method of the microwave oven described in the aspect.
  • the present application discloses a kitchen appliance, which includes a memory, a processor, and a control program of a microwave oven stored in the memory and capable of running on the processor.
  • the processor executes the control program of the microwave oven, the above-mentioned first aspect is implemented.
  • the kitchen appliance is, for example, a microwave oven.
  • the microwave oven can adjust the rotation speed when rotating to each angle according to the value of the standing wave. In this way, it can effectively reduce the heating of food at the angle with high reflected power, and more time stays in the reflection.
  • the food is heated at a low power angle, thereby improving the heating efficiency of the microwave oven.
  • the aforementioned non-transitory computer-readable storage medium may adopt any combination of one or more computer-readable media.
  • the computer-readable medium may be a computer-readable signal medium or a computer-readable storage medium.
  • the computer-readable storage medium may be, for example, but not limited to, an electric, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above.
  • computer-readable storage media include: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (Read Only Memory) ; Hereinafter referred to as: ROM), Erasable Programmable Read Only Memory; hereinafter referred to as EPROM) or flash memory, optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic memory Pieces, or any suitable combination of the above.
  • the computer-readable storage medium can be any tangible medium that contains or stores a program, and the program can be used by or in combination with an instruction execution system, apparatus, or device.
  • the computer-readable signal medium may include a data signal propagated in baseband or as a part of a carrier wave, and computer-readable program code is carried therein. This propagated data signal can take many forms, including, but not limited to, electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • the computer-readable signal medium may also be any computer-readable medium other than the computer-readable storage medium.
  • the computer-readable medium may send, propagate, or transmit the program for use by or in combination with the instruction execution system, apparatus, or device .
  • the program code contained on the computer-readable medium can be transmitted by any suitable medium, including, but not limited to, wireless, wire, optical cable, RF, etc., or any suitable combination of the above.
  • the computer program code used to perform the operations of the present application can be written in one or more programming languages or a combination thereof.
  • the programming languages include object-oriented programming languages-such as Java, Smalltalk, C++, and also conventional Procedural programming language-such as "C" language or similar programming language.
  • the program code can be executed entirely on the user's computer, partly on the user's computer, executed as an independent software package, partly on the user's computer and partly executed on a remote computer, or entirely executed on the remote computer or server.
  • the remote computer can be connected to the user's computer through any kind of network-including local area network (Local Area Network; hereinafter referred to as LAN) or Wide Area Network (hereinafter referred to as WAN), or Connect to an external computer (for example, use an Internet service provider to connect via the Internet).
  • LAN Local Area Network
  • WAN Wide Area Network
  • an external computer for example, use an Internet service provider to connect via the Internet.

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  • Electromagnetism (AREA)
  • Electric Ovens (AREA)
  • Constitution Of High-Frequency Heating (AREA)

Abstract

A microwave oven control method and system, and a microwave oven. The microwave oven control method comprises the following steps: detecting the standing wave state of microwaves; determining, according to the standing wave state, a plurality of standing wave values having one-to-one correspondence to a plurality of angles; and adjusting, according to the plurality of standing wave values having one-to-one correspondence to the plurality of angles, the dwell time when turning to each angle.

Description

微波炉的控制方法、***及微波炉Microwave oven control method, system and microwave oven
相关申请的交叉引用Cross references to related applications
本申请要求广东美的厨房电器制造有限公司和美的集团股份有限公司于2019年4月30日提交的、申请名称为“微波炉的控制方法、***及微波炉”的、中国专利申请号“201910365202.9”的优先权。This application requires that Guangdong Midea Kitchen Appliance Manufacturing Co., Ltd. and Midea Group Co., Ltd. filed on April 30, 2019 with the application titled "Microwave oven control method, system and microwave oven" and the Chinese patent application number "201910365202.9" priority right.
技术领域Technical field
本申请涉及厨房电器技术领域，特别涉及一种微波炉的控制方法、***及微波炉。This application relates to the technical field of kitchen appliances, in particular to a method and system for controlling a microwave oven, and a microwave oven.
背景技术Background technique
相关技术中，采用磁控管的微波炉，如图7所示，磁控管发射的微波功率经过波导，传导到微波的腔体内，对食物等进行加热。从磁控管来看，通常特定的负载(食物)才接近匹配的状态，大多数负载条件下是不匹配的，不匹配导致驻波的形成，即微波功率的反射，反射的功率不能有效用于加热，所以微波功率的反射导致加热效率下降。另外，对于一般非圆对称的负载，其在转盘上随转盘转动的过程中，从磁控管来看，其阻抗也随转动发生变化，驻波值和反射也会发生变化。同样，对于采用天线和搅拌片的平板式微波炉，天线和搅拌片转动过程中，从磁控管来看，阻抗也随转动发生变化，驻波值和反射也会发生变化，某些角度下加热效率较低。In the related art, a microwave oven using a magnetron, as shown in Fig. 7, the microwave power emitted by the magnetron passes through a waveguide and is conducted into the microwave cavity to heat food and the like. From the point of view of the magnetron, the specific load (food) is usually close to the matched state. Under most load conditions, it is not matched. The mismatch causes the formation of standing waves, that is, the reflection of microwave power. The reflected power cannot be used effectively. Because of heating, the reflection of microwave power leads to a decrease in heating efficiency. In addition, for loads that are generally non-circularly symmetrical, during the process of rotating with the turntable on the turntable, from the perspective of the magnetron, the impedance also changes with the rotation, and the standing wave value and reflection also change. Similarly, for flat-plate microwave ovens that use antennas and stirring plates, during the rotation of the antenna and stirring plates, from the perspective of the magnetron, the impedance also changes with the rotation, and the standing wave value and reflection also change. Heating at certain angles Low efficiency.
发明内容Summary of the invention
本申请旨在至少解决上述技术问题之一。This application aims to solve at least one of the above technical problems.
为此，本申请的一个目的在于提出一种微波炉的控制方法。该方法可以根据驻波值的大小，调节在每个角度下的停留时间，这样，可以有效降低在反射功率高的角度上对食物进行加热，更多的时间停留在反射功率低的角度上对食物进行加热，从而可以提升微波炉的加热效率。For this reason, one purpose of this application is to propose a method for controlling a microwave oven. This method can adjust the residence time at each angle according to the value of the standing wave, so that it can effectively reduce the heating of the food at the angle with high reflected power, and stay at the angle with low reflected power for more time. The food is heated, so that the heating efficiency of the microwave oven can be improved.
本申请的第二个目的在于提出一种微波炉的控制***。The second purpose of this application is to propose a control system for a microwave oven.
本申请的第三个目的在于提出一种微波炉。The third purpose of this application is to propose a microwave oven.
本申请的第四个目的在于提出一种非临时性计算机可读存储介质。The fourth purpose of this application is to provide a non-transitory computer-readable storage medium.
本申请的第五个目的在于提出一种厨房电器。The fifth purpose of this application is to propose a kitchen appliance.
为了实现上述目的，本申请的第一方面公开了一种微波炉的控制方法，包括以下步骤： 检测微波的驻波状态；根据所述驻波状态确定与多个角度一一对应的多个驻波值；根据与所述多个角度一一对应的多个驻波值，调节旋转至每个角度下的停留时间。In order to achieve the above objective, the first aspect of the present application discloses a method for controlling a microwave oven, which includes the following steps: detecting the standing wave state of the microwave; determining, according to the standing wave state, multiple standing waves corresponding to multiple angles one-to-one Value; According to the multiple standing wave values one-to-one corresponding to the multiple angles, adjust the residence time rotating to each angle.
根据本申请的微波炉的控制方法，可以根据驻波值的大小，调节每个角度下的停留时间，这样，可以有效降低在反射功率高的角度上对食物进行加热，更多的时间停留在反射功率低的角度上对食物进行加热，从而可以提升微波炉的加热效率。According to the control method of the microwave oven of the present application, the residence time at each angle can be adjusted according to the value of the standing wave. In this way, the heating of food at the angle with high reflected power can be effectively reduced, and more time can be stayed in the reflection. The food is heated at a low power angle, thereby improving the heating efficiency of the microwave oven.
所述根据与所述多个角度一一对应的多个驻波值，调节旋转至每个角度下的停留时间，包括：当前的角度上的驻波值越大，旋转至该角度下的停留时间越短。According to the multiple standing wave values one-to-one corresponding to the multiple angles, adjusting the stay time when rotated to each angle includes: the greater the standing wave value at the current angle, the stay at that angle The shorter the time.
所述检测微波的驻波状态，包括：检测波导内微波的功率，其中，所述微波的功率包括正向功率和反向功率；根据所述微波的功率确定所述微波的驻波状态。The detecting the standing wave state of the microwave includes: detecting the power of the microwave in the waveguide, wherein the power of the microwave includes a forward power and a reverse power; and determining the standing wave state of the microwave according to the power of the microwave.
本申请的第二方面公开了一种微波炉的控制***，包括：检测模块，用于检测微波的驻波状态；控制模块，用于根据所述驻波状态确定与多个角度一一对应的多个驻波值，并根据与所述多个角度一一对应的多个驻波值，调节旋转至每个角度下的停留时间。The second aspect of the application discloses a control system for a microwave oven, which includes: a detection module for detecting the standing wave state of the microwave; a control module for determining a one-to-one correspondence with multiple angles according to the standing wave state. According to the multiple standing wave values one-to-one corresponding to the multiple angles, the residence time of the rotation to each angle is adjusted.
根据本申请的微波炉的控制***，可以根据驻波值的大小，调节每个角度的停留时间，这样，可以有效降低在反射功率高的角度上对食物进行加热，更多的时间停留在反射功率低的角度上对食物进行加热，从而可以提升微波炉的加热效率。According to the control system of the microwave oven of the present application, the residence time of each angle can be adjusted according to the value of the standing wave. In this way, the heating of food at the angle with high reflected power can be effectively reduced, and more time can be stayed in the reflected power. The food is heated at a low angle, thereby improving the heating efficiency of the microwave oven.
所述控制模块用于在当前的角度上的驻波值越大时，旋转至该角度下的停留时间越短。The control module is used for the greater the value of the standing wave at the current angle, the shorter the dwell time rotating to the angle.
所述检测模块用于检测波导内微波的功率，其中，所述微波的功率包括正向功率和反向功率，并根据所述微波的功率确定所述微波的驻波状态。The detection module is used to detect the power of the microwave in the waveguide, wherein the power of the microwave includes forward power and reverse power, and determines the standing wave state of the microwave according to the power of the microwave.
本申请的第三方面公开了一种微波炉，包括：根据上述的第二方面所述的微波炉的控制***。A third aspect of the present application discloses a microwave oven, including: the control system of the microwave oven according to the second aspect described above.
本申请的第四方面公开了一种非临时性计算机可读存储介质，其上存储有计算机程序，其特征在于，其上存储有微波炉的控制程序，该微波炉的控制程序被处理器执行时实现上述第一方面所述的微波炉的控制方法。The fourth aspect of the present application discloses a non-transitory computer-readable storage medium with a computer program stored thereon, characterized in that a control program for a microwave oven is stored thereon, and the control program of the microwave oven is executed when the processor is executed The control method of the microwave oven described in the above first aspect.
本申请的第五方面的实施例公开了一种厨房电器，包括存储器、处理器及存储在存储器上并可在处理器上运行的微波炉的控制程序，所述处理器执行所述微波炉的控制程序时实现上述第一方面所述的微波炉的控制方法。The embodiment of the fifth aspect of the present application discloses a kitchen appliance, including a memory, a processor, and a control program of a microwave oven stored in the memory and running on the processor, and the processor executes the control program of the microwave oven When realizing the control method of the microwave oven described in the first aspect.
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。The additional aspects and advantages of the present application will be partially given in the following description, and some will become obvious from the following description, or be understood through the practice of the present application.
附图说明Description of the drawings
本申请的上述的和/或附加的方面和优点结合下面附图对实施例的描述中将变得明显和容易理解，其中：The above and/or additional aspects and advantages of the present application will become obvious and easy to understand in the description of the embodiments in conjunction with the following drawings, in which:
图1是根据本申请的微波炉的控制方法的流程图；Figure 1 is a flowchart of a method for controlling a microwave oven according to the present application;
图2是根据本申请的微波炉的示意图；Figure 2 is a schematic diagram of a microwave oven according to the present application;
图3-图5分别为不同负载下微波炉在0至360度转角下的功率反射系数的示意图；Figures 3 to 5 are schematic diagrams of the power reflection coefficient of the microwave oven under different loads from 0 to 360 degrees;
图6是根据本申请的微波炉的控制***的结构框图；Figure 6 is a structural block diagram of the control system of the microwave oven according to the present application;
图7是相关技术中的微波炉的示意图。Fig. 7 is a schematic diagram of a microwave oven in the related art.
具体实施方式Detailed ways
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。The embodiments of the present application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the drawings are exemplary, and are only used to explain the present application, and cannot be understood as a limitation to the present application.
在本申请的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性。In the description of this application, it should be understood that the terms "center", "vertical", "horizontal", "upper", "lower", "front", "rear", "left", "right", " The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "inner", "outer" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the application and The description is simplified, rather than indicating or implying that the pointed device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.
以下结合附图描述根据本申请的微波炉的控制方法、***及微波炉。The control method and system of the microwave oven and the microwave oven according to the present application will be described below with reference to the accompanying drawings.
图1是根据本申请的微波炉的控制方法的流程图。如图1所示，根据本申请的微波炉的控制方法，包括如下步骤：Fig. 1 is a flowchart of a method for controlling a microwave oven according to the present application. As shown in Figure 1, the method for controlling a microwave oven according to the present application includes the following steps:
S101：检测微波的驻波状态。S101: Detect the standing wave state of the microwave.
可以通过如下方式实现，例如：首先检测波导内微波的功率，其中，微波的功率包括正向功率和反向功率，然后，根据微波的功率确定微波的驻波状态。This can be achieved by, for example, first detecting the power of the microwave in the waveguide, where the power of the microwave includes forward power and reverse power, and then determining the standing wave state of the microwave according to the power of the microwave.
如图2所示，以平板式微波炉为例，磁控管1发射微波功率，经过波导2将微波功率传到至微波炉箱体内，从而为食物(load，即：负载)加热，其中，本申请实施例的微波炉包括转速可控的电机3，例如为步进电机，从而可以调节搅拌片4的转动速度，当然搅拌片也可以是天线。As shown in Figure 2, taking a flat-plate microwave oven as an example, the magnetron 1 emits microwave power, and the microwave power is transmitted to the microwave oven through the waveguide 2 to heat food (load, that is, load). The microwave oven of the embodiment includes a motor 3 with a controllable rotation speed, such as a stepping motor, so that the rotation speed of the stirring plate 4 can be adjusted. Of course, the stirring plate may also be an antenna.
其中，可以通过设置在波导上的半导体定向耦合器探测出微波的正向功率和反向功率，从而确定出驻波状态。Among them, the forward power and reverse power of the microwave can be detected by the semiconductor directional coupler arranged on the waveguide, thereby determining the standing wave state.
S102：根据驻波状态确定与多个角度一一对应的多个驻波值。S102: Determine multiple standing wave values one-to-one corresponding to multiple angles according to the standing wave state.
即：根据微波的正向功率和反向功率，从而，可以计算出微波的功率反射的大小，即：驻波值的大小。其中，反射功率越大，驻波值越大，反射功率越小，驻波值越小。That is, according to the forward power and reverse power of the microwave, the magnitude of the power reflection of the microwave can be calculated, that is, the magnitude of the standing wave value. Among them, the greater the reflected power, the greater the standing wave value, and the smaller the reflected power, the smaller the standing wave value.
由于负载通常是不对称的，因此，由于阻抗的变化，搅拌片等转动过程中，转动到不同的角度时，微波的反向功率会发生变化，即：反射功率存在起伏。因此，不同的角度时，驻波值存在变化。本申请的实施例，可以根据驻波状态确定与多个角度一一对应的多个驻波值。Since the load is usually asymmetrical, the reverse power of the microwave will change when the stirring plate rotates to different angles due to changes in impedance, that is, the reflected power fluctuates. Therefore, the value of the standing wave changes at different angles. In the embodiment of the present application, multiple standing wave values corresponding to multiple angles can be determined according to the standing wave state.
其中，多个角度例如以1度为一个角度变化，也可以以2度、3度、4度、5度等作为一个角度变化。Wherein, the plurality of angles change with one degree as one angle, for example, and they can also change with one angle as two degrees, 3 degrees, 4 degrees, and 5 degrees.
S103：根据与多个角度一一对应的多个驻波值，调节旋转至每个角度下的停留时间。S103: According to the multiple standing wave values one-to-one corresponding to multiple angles, adjust the residence time of the rotation to each angle.
由于驻波值越大，即：反射功率越大，而反射功率不能有效用于加热食物，也就是说，该角度上，较热效率较低，因此，可以快速旋转过该角度，即：在该角度下停留时间较短，反之，驻波值越小，即：反射功率越小，此时，加热效率越高。Since the value of the standing wave is larger, that is, the reflected power is larger, and the reflected power cannot be effectively used to heat food, that is, at this angle, the thermal efficiency is lower. Therefore, the angle can be quickly rotated, that is: The residence time is shorter under the angle, on the contrary, the smaller the standing wave value, that is: the smaller the reflected power, the higher the heating efficiency at this time.
因此，在本申请的实施例中，根据与多个角度一一对应的多个驻波值，调节旋转至每个角度下的停留时间，包括：当前的角度上的驻波值越大，旋转至该角度下的停留时间越短。即：在反射功率小的角度上停留的时间长于在反射功率大的角度上停留的时间，例如：如：驻波值VSWR1对应停留时间为T1，驻波值VSWR2对应停留时间为T2，对于任意VSWR2≥VSWR1，均是T2≤T1。这样，可以有效提升食物的加热效率。Therefore, in the embodiment of the present application, according to multiple standing wave values one-to-one corresponding to multiple angles, adjusting the dwell time of rotation to each angle includes: the greater the standing wave value at the current angle, the greater the rotation The shorter the residence time to this angle. That is: the staying time at the angle with low reflected power is longer than the staying time at the angle with high reflected power, for example: For example: standing wave value VSWR1 corresponds to stay time T1, standing wave value VSWR2 corresponds to stay time T2, for any VSWR2≥VSWR1, both are T2≤T1. In this way, the heating efficiency of food can be effectively improved.
可以理解的是，如果最大化的提升加热效率，可以将固定在驻波值最小的角度上，此时，可以做到加热效率最大化。It is understandable that if the heating efficiency is maximized, it can be fixed at the angle with the smallest standing wave value. At this time, the heating efficiency can be maximized.
如图3-5所示，为0至360度天线转角下的功率反射系数的示意图。As shown in Figure 3-5, it is a schematic diagram of the power reflection coefficient at an antenna angle of 0 to 360 degrees.
其中，图3示出了微波炉在0至360度转角下的功率反射系数-f＝2.458GHz，其中，负载为150g水。图4示出了微波炉0至360度转角下的功率反射系数-f＝2.458GHz，负载为100g水。图5示出了微波炉0至360度转角下的功率反射系数-f＝2.458GHz，负载为500g冻肉。Among them, FIG. 3 shows the power reflection coefficient of the microwave oven at a rotation angle of 0 to 360 degrees-f = 2.458 GHz, where the load is 150 g of water. Figure 4 shows the power reflection coefficient of the microwave oven at a rotation angle of 0 to 360 degrees-f = 2.458 GHz, and the load is 100 g of water. Figure 5 shows the power reflection coefficient of the microwave oven at a rotation angle of 0 to 360 degrees-f = 2.458 GHz, and the load is 500 g frozen meat.
根据本申请实施例的微波炉的控制方法，可以根据驻波值的大小，调节旋转至每个角度下的停留时间，这样，可以有效降低在反射功率高的角度上对食物进行加热，更多的时间停留在反射功率低的角度上对食物进行加热，从而可以提升微波炉的加热效率。According to the control method of the microwave oven of the embodiment of the present application, the residence time of the rotation to each angle can be adjusted according to the value of the standing wave. In this way, the heating of food at the angle with high reflected power can be effectively reduced, and more The time stays at the angle with low reflected power to heat the food, so that the heating efficiency of the microwave oven can be improved.
当然，反射功率越小，加热效率越高，但是，为了避免有效的加热功率过高而导致食物烧焦，因此，还可以在反射功率太小的情况下，也快速转过去，虽然反射功率越小，加热效率越高，但是，为了避免可能的烧焦，因此，也可以快速通过该角度。Of course, the smaller the reflected power, the higher the heating efficiency. However, in order to avoid the effective heating power being too high and causing the food to burn, it can also be quickly turned over when the reflected power is too small, although the higher the reflected power Smaller, the higher the heating efficiency, but in order to avoid possible scorching, so you can quickly pass through the angle.
具体地说，应选择在驻波值大小适宜的角度下进行相对长时间的加热，这样，一方面可以有效提升微波炉的加热效率，另一方面也可以避免加热效率太高而导致食物烧焦。即：更多的时间停留在驻波值大小适中的角度对食物进行加热，从而可以提高食物的加热均匀性，在一定程度上保证加热效率的同时，避免食物烧焦。Specifically, the heating should be carried out for a relatively long time at an angle with an appropriate value of the standing wave, so that, on the one hand, the heating efficiency of the microwave oven can be effectively improved, and on the other hand, it can also prevent the food from being burnt due to the high heating efficiency. That is: staying at an angle with a moderate value of the standing wave for more time to heat the food, thereby improving the uniformity of the food heating, ensuring the heating efficiency to a certain extent, and preventing the food from burning.
图6是根据本申请的微波炉的控制***的结构框图。如图6所示，并结合图2，根据本申请的微波炉的控制***600，包括：检测模块610和控制模块620。Fig. 6 is a structural block diagram of the control system of the microwave oven according to the present application. As shown in FIG. 6 and in conjunction with FIG. 2, the control system 600 of the microwave oven according to the present application includes: a detection module 610 and a control module 620.
其中，检测模块610用于检测微波的驻波状态。控制模块6230用于根据所述驻波状态确定与多个角度一一对应的多个驻波值，并根据与所述多个角度一一对应的多个驻波值，调节旋转至每个角度下的停留时间。The detection module 610 is used to detect the standing wave state of the microwave. The control module 6230 is configured to determine multiple standing wave values one-to-one corresponding to multiple angles according to the standing wave state, and adjust the rotation to each angle according to multiple standing wave values one-to-one corresponding to the multiple angles The stay time under.
所述控制模块620用于在当前的角度上的驻波值越大时，旋转至该角度下的停留时间越短。The control module 620 is used for when the value of the standing wave at the current angle is larger, the residence time to rotate to the angle is shorter.
根据本申请的微波炉的控制***，可以根据驻波值的大小，调节旋转至每个角度小的停留时间，这样，可以有效降低在反射功率高的角度上对食物进行加热，更多的时间停留在反射功率低的角度上对食物进行加热，从而可以提升微波炉的加热效率。According to the control system of the microwave oven of the present application, the residence time of rotation to a small angle can be adjusted according to the value of the standing wave. In this way, the heating of food at the angle with high reflected power can be effectively reduced, and the residence time can be longer. The food is heated at an angle with low reflected power, so that the heating efficiency of the microwave oven can be improved.
本申请的实施例可以使被加热的食物更多的时间处在驻波值大小适中的角度对食物进行加热，从而可以提高食物的加热均匀性，在一定程度上保证加热效率的同时，避免食物烧焦。The embodiments of the present application can make the heated food be heated at an angle with a moderate value of the standing wave for more time to heat the food, thereby improving the heating uniformity of the food, ensuring the heating efficiency to a certain extent, and avoiding the food. Burnt.
所述检测模块610用于检测波导内微波的功率，其中，所述微波的功率包括正向功率和反向功率，并根据所述微波的功率确定所述微波的驻波状态。The detection module 610 is used to detect the power of the microwave in the waveguide, where the power of the microwave includes forward power and reverse power, and determines the standing wave state of the microwave according to the power of the microwave.
需要说明的是，本申请实施例的微波炉的控制***的具体实现方式与本申请实施例的微波炉的控制方法的具体实现方式类似，具体请参见方法部分的描述，为了减少冗余，不做赘述。It should be noted that the specific implementation of the microwave oven control system of the embodiment of the present application is similar to the specific implementation of the microwave oven control method of the embodiment of the present application. For details, please refer to the description of the method section. In order to reduce redundancy, it will not be repeated. .
本申请公开了一种微波炉，包括：根据上述任意一个实施例所述的微波炉的控制***。该微波炉可以根据驻波值的大小，调节旋转至每个角度时的转速，这样，可以有效降低在反射功率高的角度上对食物进行加热，更多的时间停留在反射功率低的角度上对食物进行加热，从而可以提升微波炉的加热效率。The present application discloses a microwave oven, including: the control system of the microwave oven according to any one of the above embodiments. The microwave oven can adjust the rotation speed when rotating to each angle according to the value of the standing wave. In this way, it can effectively reduce the heating of food at the angle with high reflected power, and stay at the angle with low reflected power for more time. The food is heated, so that the heating efficiency of the microwave oven can be improved.
本申请的公开了一种非临时性计算机可读存储介质，其上存储有计算机程序，其特征在于，其上存储有微波炉的控制程序，该微波炉的控制程序被处理器执行时实现上述第一方面所述的微波炉的控制方法。The present application discloses a non-transitory computer-readable storage medium with a computer program stored thereon, and is characterized in that a control program for a microwave oven is stored thereon, and when the control program of the microwave oven is executed by a processor, the above-mentioned first The control method of the microwave oven described in the aspect.
本申请公开了一种厨房电器，包括存储器、处理器及存储在存储器上并可在处理器上运行的微波炉的控制程序，所述处理器执行所述微波炉的控制程序时实现上述第 一方面所述的微波炉的控制方法。厨房电器例如为微波炉，该微波炉可以根据驻波值的大小，调节旋转至每个角度时的转速，这样，可以有效降低在反射功率高的角度上对食物进行加热，更多的时间停留在反射功率低的角度上对食物进行加热，从而可以提升微波炉的加热效率。The present application discloses a kitchen appliance, which includes a memory, a processor, and a control program of a microwave oven stored in the memory and capable of running on the processor. When the processor executes the control program of the microwave oven, the above-mentioned first aspect is implemented. The control method of the microwave oven described. The kitchen appliance is, for example, a microwave oven. The microwave oven can adjust the rotation speed when rotating to each angle according to the value of the standing wave. In this way, it can effectively reduce the heating of food at the angle with high reflected power, and more time stays in the reflection. The food is heated at a low power angle, thereby improving the heating efficiency of the microwave oven.
上述非临时性计算机可读存储介质可以采用一个或多个计算机可读的介质的任意组合。计算机可读介质可以是计算机可读信号介质或者计算机可读存储介质。计算机可读存储介质例如可以是——但不限于——电、磁、光、电磁、红外线、或半导体的***、装置或器件，或者任意以上的组合。计算机可读存储介质的更具体的例子(非穷举的列表)包括：具有一个或多个导线的电连接、便携式计算机磁盘、硬盘、随机存取存储器(RAM)、只读存储器(Read Only Memory；以下简称：ROM)、可擦式可编程只读存储器(Erasable Programmable Read Only Memory；以下简称：EPROM)或闪存、光纤、便携式紧凑磁盘只读存储器(CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。在本文件中，计算机可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被指令执行***、装置或者器件使用或者与其结合使用。The aforementioned non-transitory computer-readable storage medium may adopt any combination of one or more computer-readable media. The computer-readable medium may be a computer-readable signal medium or a computer-readable storage medium. The computer-readable storage medium may be, for example, but not limited to, an electric, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples of computer-readable storage media (non-exhaustive list) include: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read-only memory (Read Only Memory) ; Hereinafter referred to as: ROM), Erasable Programmable Read Only Memory; hereinafter referred to as EPROM) or flash memory, optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic memory Pieces, or any suitable combination of the above. In this document, the computer-readable storage medium can be any tangible medium that contains or stores a program, and the program can be used by or in combination with an instruction execution system, apparatus, or device.
计算机可读的信号介质可以包括在基带中或者作为载波一部分传播的数据信号，其中承载了计算机可读的程序代码。这种传播的数据信号可以采用多种形式，包括——但不限于——电磁信号、光信号或上述的任意合适的组合。计算机可读的信号介质还可以是计算机可读存储介质以外的任何计算机可读介质，该计算机可读介质可以发送、传播或者传输用于由指令执行***、装置或者器件使用或者与其结合使用的程序。The computer-readable signal medium may include a data signal propagated in baseband or as a part of a carrier wave, and computer-readable program code is carried therein. This propagated data signal can take many forms, including, but not limited to, electromagnetic signals, optical signals, or any suitable combination of the foregoing. The computer-readable signal medium may also be any computer-readable medium other than the computer-readable storage medium. The computer-readable medium may send, propagate, or transmit the program for use by or in combination with the instruction execution system, apparatus, or device .
计算机可读介质上包含的程序代码可以用任何适当的介质传输，包括——但不限于——无线、电线、光缆、RF等等，或者上述的任意合适的组合。The program code contained on the computer-readable medium can be transmitted by any suitable medium, including, but not limited to, wireless, wire, optical cable, RF, etc., or any suitable combination of the above.
可以以一种或多种程序设计语言或其组合来编写用于执行本申请操作的计算机程序代码，所述程序设计语言包括面向对象的程序设计语言—诸如Java、Smalltalk、C++，还包括常规的过程式程序设计语言—诸如“C”语言或类似的程序设计语言。程序代码可以完全地在用户计算机上执行、部分地在用户计算机上执行、作为一个独立的软件包执行、部分在用户计算机上部分在远程计算机上执行、或者完全在远程计算机或服务器上执行。在涉及远程计算机的情形中，远程计算机可以通过任意种类的网络——包括局域网(Local Area Network；以下简称：LAN)或广域网(Wide Area Network；以下简称：WAN)连接到用户计算机，或者，可以连接到外部计算机(例如利用因特网服务提供商来通过因特网连接)。The computer program code used to perform the operations of the present application can be written in one or more programming languages or a combination thereof. The programming languages include object-oriented programming languages-such as Java, Smalltalk, C++, and also conventional Procedural programming language-such as "C" language or similar programming language. The program code can be executed entirely on the user's computer, partly on the user's computer, executed as an independent software package, partly on the user's computer and partly executed on a remote computer, or entirely executed on the remote computer or server. In the case of a remote computer, the remote computer can be connected to the user's computer through any kind of network-including local area network (Local Area Network; hereinafter referred to as LAN) or Wide Area Network (hereinafter referred to as WAN), or Connect to an external computer (for example, use an Internet service provider to connect via the Internet).
尽管已经示出和描述了本申请的实施例，本领域的普通技术人员可以理解：在不脱离本申请的原理和宗旨的情况下可以对这些实施例进行多种变化、修改、替换和变型，本申请的范围由权利要求及其等同限定。Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and modifications can be made to these embodiments without departing from the principle and purpose of the present application. The scope of the application is defined by the claims and their equivalents.

Claims (9)

  1. 一种微波炉的控制方法，其特征在于，包括以下步骤：A method for controlling a microwave oven is characterized in that it comprises the following steps:
    检测微波的驻波状态；Detect the standing wave status of microwave;
    根据所述驻波状态确定与多个角度一一对应的多个驻波值；Determining multiple standing wave values corresponding to multiple angles one-to-one according to the standing wave state;
    根据与所述多个角度一一对应的多个驻波值，调节旋转至每个角度下的停留时间。According to the multiple standing wave values one-to-one corresponding to the multiple angles, the dwell time of the rotation to each angle is adjusted.
  2. 根据权利要求1所述的微波炉的控制方法，其特征在于，所述根据与所述多个角度一一对应的多个驻波值，调节旋转至每个角度下的停留时间，包括：The method for controlling a microwave oven according to claim 1, wherein the adjusting the dwell time of the rotation to each angle according to the multiple standing wave values one-to-one corresponding to the multiple angles comprises:
    当前的角度上的驻波值越大，旋转至该角度下的停留时间越短。The greater the value of the standing wave at the current angle, the shorter the dwell time when rotating to this angle.
  3. 根据权利要求1或2所述的微波炉的控制方法，其特征在于，所述检测微波的驻波状态，包括：The method for controlling a microwave oven according to claim 1 or 2, wherein the detecting the standing wave state of the microwave includes:
    检测波导内微波的功率，其中，所述微波的功率包括正向功率和反向功率；Detecting the power of the microwave in the waveguide, where the power of the microwave includes forward power and reverse power;
    根据所述微波的功率确定所述微波的驻波状态。The standing wave state of the microwave is determined according to the power of the microwave.
  4. 一种微波炉的控制***，其特征在于，包括：A control system for a microwave oven is characterized in that it comprises:
    检测模块，用于检测微波的驻波状态；Detection module, used to detect the standing wave status of microwave;
    控制模块，用于根据所述驻波状态确定与多个角度一一对应的多个驻波值，并根据与所述多个角度一一对应的多个驻波值，调节旋转至每个角度下的停留时间。The control module is used for determining a plurality of standing wave values corresponding to a plurality of angles according to the standing wave state, and adjusting the rotation to each angle according to the plurality of standing wave values corresponding to the plurality of angles one by one The stay time under.
  5. 根据权利要求4所述的微波炉的控制***，其特征在于，所述控制模块用于在当前的角度上的驻波值越大时，旋转至该角度下的停留时间越短。The control system of the microwave oven according to claim 4, wherein the control module is used for the shorter the dwell time rotating to the angle when the value of the standing wave at the current angle is larger.
  6. 根据权利要求4或5所述的微波炉的控制***，其特征在于，所述检测模块用于检测波导内微波的功率，其中，所述微波的功率包括正向功率和反向功率，并根据所述微波的功率确定所述微波的驻波状态。The microwave oven control system according to claim 4 or 5, wherein the detection module is used to detect the power of microwaves in the waveguide, wherein the power of the microwaves includes forward power and reverse power, and is based on The power of the microwave determines the standing wave state of the microwave.
  7. 一种微波炉，其特征在于，包括：根据权利要求4-6任一项所述的微波炉的控制***。A microwave oven, characterized by comprising: a control system for the microwave oven according to any one of claims 4-6.
  8. 一种非临时性计算机可读存储介质，其上存储有计算机程序，其特征在于，其上存储有微波炉的控制程序，该微波炉的控制程序被处理器执行时实现权利要求1-3任一项所述的微波炉的控制方法。A non-transitory computer-readable storage medium with a computer program stored thereon, characterized in that a control program for a microwave oven is stored thereon, and the control program of the microwave oven is executed by a processor to implement any one of claims 1-3 The control method of the microwave oven.
  9. 一种厨房电器，其特征在于，包括存储器、处理器及存储在存储器上并可在处理器上运行的微波炉的控制程序，所述处理器执行所述微波炉的控制程序时实现权利要求1-3任一项所述的微波炉的控制方法。A kitchen appliance, characterized by comprising a memory, a processor, and a control program of a microwave oven stored in the memory and capable of running on the processor. The processor implements claims 1-3 when the processor executes the control program of the microwave oven. A method for controlling a microwave oven as described in any one of items.
PCT/CN2019/122020 2019-04-30 2019-11-29 Microwave oven control method and system, and microwave oven WO2020220668A1 (en)

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