CN115868594A - Heating device and control method for heating device - Google Patents
Heating device and control method for heating device Download PDFInfo
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- CN115868594A CN115868594A CN202111129387.7A CN202111129387A CN115868594A CN 115868594 A CN115868594 A CN 115868594A CN 202111129387 A CN202111129387 A CN 202111129387A CN 115868594 A CN115868594 A CN 115868594A
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- electromagnetic wave
- heating device
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- treated
- detection
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 72
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000001514 detection method Methods 0.000 claims abstract description 93
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 56
- 239000002184 metal Substances 0.000 claims description 4
- 238000005381 potential energy Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 235000013305 food Nutrition 0.000 abstract description 15
- 238000013021 overheating Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004590 computer program Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 235000013611 frozen food Nutrition 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
- A23L3/36—Freezing; Subsequent thawing; Cooling
- A23L3/365—Thawing subsequent to freezing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
-
- 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
Abstract
The invention provides a heating device and a control method for the heating device. The heating device comprises a cylinder, an electromagnetic wave generation system and a water quantity detection system. The cylinder is used for accommodating the object to be processed. The electromagnetic wave generating system is at least partially arranged in the cylinder or reaches the cylinder so as to emit electromagnetic waves into the cylinder to heat the object to be treated. The water amount detection system is arranged to be in conductive connection with the object to be treated and detects the conductive performance of the object to be treated, so as to reflect the water content of the object to be treated. According to the invention, the conductivity of the object to be processed is detected by the water quantity detection system, so that the accurate and comprehensive attribute information reflecting the water content of the object to be processed can be obtained, the heating parameter of the electromagnetic wave generation module suitable for the object to be processed can be further determined, the requirement on a user is reduced, the uniformity of the temperature of the heated food is improved, and the occurrence of local overheating is avoided.
Description
Technical Field
The invention relates to the field of food processing, in particular to an electromagnetic wave heating device and a control method for the heating device.
Background
During the freezing process, the quality of the food is maintained, however, the frozen food needs to be thawed before processing or consumption. In order to facilitate the user to thaw the food, the food is generally thawed by the electromagnetic wave heating device.
The food is unfrozen by the electromagnetic wave heating device, so that the speed is high, the efficiency is high, and the loss of nutritional ingredients of the food is low. However, since the contents (particularly, the water contents) of the internal substances of different kinds of foods are different, the foods are heated according to the same heating parameters, which causes problems of uneven heating and local overheating. In the prior art, the heating parameters of the electromagnetic wave generating system are manually input by a user or determined according to data obtained by image analysis and weight detection, so that the internal information of food cannot be accurately obtained, the error is large, and the problems of uneven heating and local overheating are still serious.
Disclosure of Invention
An object of the first aspect of the present invention is to overcome at least one technical defect in the prior art, and to provide an electromagnetic wave heating apparatus, which can obtain attribute information of the interior of food more accurately.
It is a further object of the first aspect of the invention to mitigate the effect of the water level detection system on the electromagnetic wave generation system.
It is a further object of the first aspect of the present invention to extend the service life of the water quantity sensing system.
It is an object of the second aspect of the present invention to provide a control method for a heating apparatus, which is suitable for heating different kinds of food to improve temperature uniformity.
According to a first aspect of the present invention, there is provided a heating apparatus comprising:
the barrel is used for accommodating an object to be treated;
the electromagnetic wave generating system is at least partially arranged in the cylinder body or is communicated to the cylinder body so as to emit electromagnetic waves into the cylinder body to heat the object to be treated; and
and the water quantity detection system is arranged to be in conductive connection with the object to be treated, and detects the conductive performance of the object to be treated so as to reflect the water content of the object to be treated.
Optionally, the water amount detection system comprises:
two detection electrodes arranged to be electrically connected with the object to be treated;
the detection power supply is connected between the two detection electrodes in series and used for providing electric potential energy; and
and a current detector connected in series between the two detection electrodes for detecting a current flowing therethrough.
Optionally, the heating device further comprises:
the rack is arranged on the cylinder and used for bearing the object to be processed; wherein
The two detection electrodes are arranged on the rack at intervals and at least partially exposed to the upper surface of the rack.
Optionally, the two detection electrodes are spherical; or
The two detection electrodes are in a sheet shape, and the periphery of the two detection electrodes is formed by a smooth curve.
Optionally, the distance between the two detection electrodes is greater than or equal to 2cm; and/or
The size of the part of the two detection electrodes above the rack in the vertical direction is 1 mm-2.5 mm.
Optionally, the barrel is made of metal and is arranged to be grounded; and is
The water quantity detection system is at least partially positioned in the cylinder and below the rack, and the part is arranged to be in conductive connection with the cylinder.
Optionally, the water level detection system is located at least partially within the barrel and below the rack; and the heating device further comprises:
and the shielding structure is arranged in the cylinder body, is positioned below the rack and covers part of the water quantity detection system.
Optionally, the water amount detection system further comprises:
the switch is connected between the two detection electrodes in series and used for conducting or blocking a circuit between the detection power supply and one detection electrode; wherein
The switch is configured to open when the electromagnetic wave generation system is in an operating state.
According to a second aspect of the present invention, there is provided a control method for a heating apparatus, the heating apparatus being any one of the above-described heating apparatuses; wherein the control method comprises the following steps:
determining or acquiring attribute information of the object to be processed, wherein the attribute information comprises conductivity;
determining heating parameters of the electromagnetic wave generation system according to the attribute information;
controlling the electromagnetic wave generating system to work according to the heating parameters; wherein the step of determining or acquiring the attribute information of the object to be processed comprises:
and starting the water quantity detection system and detecting the conductivity of the object to be treated.
Optionally, the attribute information further includes a dielectric coefficient; and the step of determining or acquiring the attribute information of the object to be processed further comprises:
controlling the electromagnetic wave generating system to work according to preset detection power, and detecting incident wave signals emitted by the electromagnetic wave generating system and/or reflected wave signals returned to the electromagnetic wave generating system;
and determining the dielectric coefficient of the object to be processed according to the incident wave signal and/or the reflected wave signal.
According to the invention, the conductivity of the object to be processed is detected by the water quantity detection system, so that the accurate and comprehensive attribute information reflecting the water content of the object to be processed can be obtained, the heating parameter of the electromagnetic wave generation module suitable for the object to be processed can be further determined, the requirement on a user is reduced, the uniformity of the temperature of the heated food is improved, and the occurrence of local overheating is avoided.
Further, prior to the present invention, it was considered by those skilled in the art that metal could not be placed in the electromagnetic wave heating apparatus, which would otherwise cause electric arc, spark, and even damage to the electromagnetic wave generating system. The inventor of the application breaks through the above thought limitation, creatively sets the outer contour of the detection electrode to be composed of a smooth curved surface and has specific size parameters, thereby not only avoiding the generation of arc discharge when the electromagnetic wave generating system works, but also avoiding the occurrence of short circuit of the water quantity detecting system while realizing effective contact between the detection electrode and the object to be treated, and improving the safety and the service life of the heating device.
Furthermore, the invention switches off the switch of the water quantity detection system when the electromagnetic wave generation system is in a working state, and sets the part of the water quantity detection system positioned below the rack to be grounded and covered by the shielding structure, thereby reducing the interference and damage of the electromagnetic wave to the water quantity detection system, improving the accuracy of the measured attribute information of the object to be processed and prolonging the service life of the water quantity detection system.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily to scale. In the drawings:
FIG. 1 is a schematic block diagram of a heating apparatus according to one embodiment of the present invention;
FIG. 2 is a schematic circuit diagram of a water level detection system according to one embodiment of the present invention;
FIG. 3 is a schematic flow chart diagram of a control method for a heating apparatus according to one embodiment of the present invention;
fig. 4 is a detailed flowchart of a control method for a heating apparatus according to an embodiment of the present invention.
Detailed Description
Fig. 1 is a schematic structural view of a heating apparatus 100 according to an embodiment of the present invention. Referring to fig. 1, the heating apparatus 100 may include a drum 110, a door, an electromagnetic wave generating system, a power supply 160, and a controller.
The barrel 110 may be used to house the object 120 to be treated. The door body can be used for opening and closing the taking and placing opening of the cylinder body 110. The barrel 110 and the door body may be provided with electromagnetic shielding features to reduce electromagnetic leakage.
The cylinder 110 may be made of metal and be disposed to be grounded to further improve the safety of the heating apparatus 100.
The electromagnetic wave generating system may be at least partially disposed in the barrel 110 or reach the barrel 110 to emit electromagnetic waves into the barrel 110 to heat the object 120 to be treated. The power supply 160 may be configured to supply power to the electromagnetic wave generation system.
The electromagnetic wave generation system may include an electromagnetic wave generation module 131 and a radiation antenna 132 electrically connected to the electromagnetic wave generation module 131. The electromagnetic wave generating module 131 may be configured to generate an electromagnetic wave signal, and the radiation antenna 132 may be disposed in the barrel 110 to generate an electromagnetic wave in the barrel 110 to heat the object 120 to be processed in the barrel 110.
The controller may include a processing unit and a memory unit. Wherein the storage unit stores a computer program which, when executed by the processing unit, is adapted to carry out the control method of the invention.
Fig. 2 is a schematic circuit diagram of a water quantity detection system according to one embodiment of the present invention. Referring to fig. 1 and 2, in particular, the heating device 100 of the present invention may further include a water amount detection system. The water amount detection system may be configured to be electrically connected to the object 120 to be processed, and detect the electrical conductivity of the object 120 to reflect the water content of the object 120 to determine the heating parameter of the electromagnetic wave generation module 131 suitable for the object 120 to be processed, so as to reduce the requirement on the user, improve the uniformity of the temperature of the heated food, and avoid the occurrence of local overheating.
Specifically, the water amount detection system may include two detection electrodes 141, and a detection power supply and current detector 142 connected in series between the two detection electrodes 141.
The two detection electrodes 141 may be disposed to be electrically connected to the object 120 to be processed to form a closed loop. The detection power supply is used for providing electric potential energy required by detection. The current detector 142 is for detecting a current flowing therethrough. Wherein the conductivity of the object 120 to be processed is represented by the current value measured by the current detector 142.
The detection power source may be integrated with the power supply 160 or may be a separate power module.
A rack 170 may be disposed in the barrel 110 for carrying the object 120 to be processed. The two detection electrodes 141 may be disposed at intervals on the rack 170, and at least partially exposed to the upper surface of the rack 170 to contact the object 120 to be processed. The rack 170 is made of a non-conductive material.
In some embodiments, the interval between the two detection electrodes 141 may be greater than or equal to 2 centimeters (cm) to avoid a short circuit from occurring due to impurities falling into the water amount detection system.
In some embodiments, the water level detection system may be at least partially located within the cylinder 110 and below the rack 170, which may be configured to be electrically connected to the cylinder 110 and further grounded, to improve safety and reduce interference and damage of electromagnetic waves to the water level detection system.
In some embodiments, the heating device 100 may also include a shielding structure 145. The shielding structure 145 may be disposed in the cylinder 110 below the rack 170 and cover a portion of the water amount detecting system therein to reduce interference and damage of the electromagnetic waves to the water amount detecting system. That is, the shielding structure 145 may be provided to house at least a portion of the water amount detection system located under the rack 170.
The water amount detection system may be disposed outside the cylinder 110 except for the detection electrode 141 and the electrical connection of the detection electrode 141, so as to further reduce interference and damage of electromagnetic waves to the water amount detection system.
In some embodiments, the two detection electrodes 141 may be spherical to avoid arcing during operation of the electromagnetic wave generating system. The cross-section of the detection electrode 141 may be circular, such as perfect circle, ellipse, etc.
The size of the portion of the two detection electrodes 141 above the rack 170 in the vertical direction may be 1 to 2.5 millimeters (mm) so that the detection electrodes 141 are in effective contact with the object 120 to be processed, for example, 1, 2 or 2.5mm.
In other embodiments, the two detection electrodes 141 may have a plate shape, and the periphery of the detection electrodes is formed by a smooth curve to avoid the occurrence of arcing during the operation of the electromagnetic wave generating system.
In other embodiments, the water amount detecting system may also detect the resistivity of the object 120 through a detector to determine the conductivity of the object 120.
In some embodiments, the water amount sensing system may further include a switch 143 connected in series between the two sensing electrodes 141 for turning on or off a circuit between the sensing power source and one sensing electrode 141.
The switch 143 may be configured to be turned off when the electromagnetic wave generation system is in an operating state to extend the service life of the water amount detection system.
The water amount sensing system may further include a protection resistor 144 connected in series between the two sensing electrodes 141 to prevent the water amount sensing system from being short-circuited.
In some embodiments, the controller may be configured to determine or obtain attribute information of the object to be processed 120, determine a heating parameter of the electromagnetic wave generating system according to the attribute information, and control the electromagnetic wave generating system to operate according to the heating parameter.
The attribute information may include the electrical conductivity property. The heating parameters may include heating power and/or heating time. The controller may activate the water amount detection system and detect the conductive property of the object to be processed 120 when determining or acquiring the property information of the object to be processed 120, so as to determine the heating parameter of the electromagnetic wave generation module 131 suitable for the object to be processed 120.
In some further embodiments, the property information may further include a dielectric coefficient to reflect the weight of the object 120 to be treated, further improving the heating effect.
The controller may control the electromagnetic wave generating system to operate according to a preset detection power when determining or acquiring the attribute information of the object to be processed 120, detect an incident wave signal emitted by the electromagnetic wave generating system and/or a reflected wave signal returned to the electromagnetic wave generating system, and determine the dielectric coefficient of the object to be processed 120 according to the incident wave signal and/or the reflected wave signal.
The controller may calculate the dielectric constant of the object 120 to be processed according to the voltage and current of the incident wave signal and the reflected wave signal.
An impedance matching module may be connected in series between the electromagnetic wave generating module 131 and the radiation antenna 132. The controller may also determine the dielectric constant of the object 120 to be processed by configuring the impedance matching module having the minimum power of the reflected wave signal at the time of the initial impedance matching (the storage unit may store a comparison relationship between the impedance matching module and the dielectric constant in advance), or directly represent the dielectric constant of the object 120 to be processed.
The frequency of the electromagnetic wave signal generated by the electromagnetic wave generating module 131 may vary within a predetermined frequency range. The controller may determine a frequency value at which the power of the reflected wave signal is minimum within a preset frequency range before the heating is formally started, and determine the dielectric coefficient of the object 120 to be processed through the frequency value (the storage unit may store a comparison relationship between the frequency value and the dielectric coefficient in advance), or directly represent the dielectric coefficient of the object 120 to be processed.
Fig. 3 is a schematic flow chart of a control method for the heating apparatus 100 according to an embodiment of the present invention. Referring to fig. 3, the control method for the heating apparatus 100 of the present invention may include the steps of:
step S302: the attribute information of the object to be processed 120 is determined or acquired, and the attribute information may include the electrical conductivity.
Step S304: and determining the heating parameters of the electromagnetic wave generation system according to the attribute information.
Step S306: and controlling the electromagnetic wave generation system to work according to the heating parameters.
Specifically, step S302 may further include: the water amount detection system is started and the conductivity of the object to be treated 120 is detected. The control method of the invention detects the conductivity of the object 120 to be processed by the water quantity detection system, can obtain the accurate and comprehensive attribute information reflecting the water content of the object 120 to be processed, and further can determine the heating parameter of the electromagnetic wave generation module 131 suitable for the object 120 to be processed, thereby reducing the requirement on the user, improving the temperature uniformity of the heated food and avoiding the occurrence of local overheating.
In some embodiments, the property information may further include a dielectric coefficient to reflect the weight of the object 120 to be treated, further improving the heating effect.
Step S302 may further include: controlling the electromagnetic wave generating system to work according to the preset detection power, detecting an incident wave signal emitted by the electromagnetic wave generating system and/or a reflected wave signal returned to the electromagnetic wave generating system, and determining the dielectric coefficient of the object to be processed 120 according to the incident wave signal and/or the reflected wave signal.
In some further embodiments, the permittivity of the object 120 to be processed may be calculated from the voltage and current of the incident wave signal and the reflected wave signal.
In other embodiments in which an impedance matching module may be connected in series between the electromagnetic wave generating module 131 and the radiation antenna 132, the dielectric coefficient of the object 120 to be processed may be determined by the configuration of the impedance matching module in which the power of the reflected wave signal is the minimum at the time of initial impedance matching (the storage unit may store the comparison relationship between the impedance matching module and the dielectric coefficient in advance), or may be directly represented.
In still other embodiments in which the frequency of the electromagnetic wave signal generated by the electromagnetic wave generating module 131 can be varied within a predetermined frequency range, the dielectric coefficient of the object 120 to be processed can be determined by determining the frequency value at which the power of the reflected wave signal is minimum within the predetermined frequency range before the heating is started (the storage unit can store the comparison relationship between the frequency value and the dielectric coefficient in advance), or can be directly represented.
Fig. 4 is a detailed flowchart of a control method for the heating apparatus 100 according to an embodiment of the present invention, in which "Y" means "yes"; "N" means "No". Referring to fig. 4, the control method of the present invention may include the following detailed steps:
step S402: and acquiring a heating instruction.
Step S404: the water amount detection system is started and the conductivity of the object to be treated 120 is detected. That is, switch 143 is closed to allow the detection power source to provide the potential energy for detection, the conductivity being represented by the current value detected by current detector 142.
Step S406: the water detection system is switched off. I.e. switch 143 is opened.
Step S408: the electromagnetic wave generation module 131 is controlled to generate an electromagnetic wave signal according to a preset detection power, and an incident wave signal emitted by the electromagnetic wave generation module 131 and/or a reflected wave signal returned to the electromagnetic wave generation module 131 are detected.
Step S410: the permittivity of the object to be processed 120 is determined from the incident wave signal and/or the reflected wave signal.
Step S412: the heating power and the heating time of the object 120 to be processed are determined according to the conductivity and the dielectric coefficient.
Step S414: the electromagnetic wave signal is generated by controlling the electromagnetic wave generation module 131 according to the determined heating power.
Step S416: it is determined whether the operation time of step S414 is equal to or greater than the determined heating time. If yes, go to step S418; if not, the process returns to step S414.
Step S418: the electromagnetic wave generation module 131 is controlled to stop operating. Returning to step S402.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been illustrated and described in detail herein, many other variations or modifications consistent with the principles of the invention may be directly determined or derived from the disclosure of the present invention without departing from the spirit and scope of the invention. Accordingly, the scope of the invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A heating device, comprising:
the barrel is used for accommodating an object to be treated;
the electromagnetic wave generating system is at least partially arranged in the cylinder body or is communicated to the cylinder body so as to emit electromagnetic waves into the cylinder body to heat the object to be treated; and
and the water quantity detection system is arranged to be in conductive connection with the object to be treated, and detects the conductive performance of the object to be treated so as to reflect the water content of the object to be treated.
2. The heating device of claim 1, wherein the water amount detection system comprises:
two detection electrodes arranged to be conductively connected with the object to be treated;
the detection power supply is connected between the two detection electrodes in series and is used for providing electric potential energy; and
and a current detector connected in series between the two detection electrodes for detecting a current flowing therethrough.
3. The heating device of claim 2, further comprising:
the rack is arranged on the cylinder and used for bearing the object to be processed; wherein
The two detection electrodes are arranged on the rack at intervals and at least partially exposed to the upper surface of the rack.
4. The heating device according to claim 3,
the two detection electrodes are spherical; or
The two detection electrodes are in a sheet shape, and the periphery of the two detection electrodes is formed by a smooth curve.
5. The heating device according to claim 3,
the interval between the two detection electrodes is more than or equal to 2cm; and/or
The size of the part of the two detection electrodes above the rack in the vertical direction is 1 mm-2.5 mm.
6. The heating device according to claim 3,
the cylinder is made of metal and is arranged to be grounded; and is
The water quantity detection system is at least partially positioned in the cylinder and below the rack, and the part is arranged to be in conductive connection with the cylinder.
7. The heating device according to claim 3,
the water quantity detection system is at least partially positioned in the barrel and positioned below the rack; and the heating device further comprises:
and the shielding structure is arranged in the cylinder body, is positioned below the rack and covers part of the water quantity detection system.
8. The heating device of claim 2, wherein the water amount detection system further comprises:
the switch is connected between the two detection electrodes in series and used for conducting or blocking a circuit between the detection power supply and one detection electrode; wherein
The switch is configured to open when the electromagnetic wave generation system is in an operating state.
9. A control method for a heating apparatus according to any one of claims 1 to 8; wherein the control method comprises the following steps:
determining or acquiring attribute information of the object to be processed, wherein the attribute information comprises conductivity;
determining heating parameters of the electromagnetic wave generation system according to the attribute information;
controlling the electromagnetic wave generating system to work according to the heating parameters; wherein the step of determining or acquiring the attribute information of the object to be processed comprises:
and starting the water quantity detection system and detecting the conductivity of the object to be treated.
10. The control method according to claim 9, wherein,
the attribute information further includes a dielectric coefficient; and the step of determining or acquiring the attribute information of the object to be processed further comprises:
controlling the electromagnetic wave generating system to work according to preset detection power, and detecting incident wave signals emitted by the electromagnetic wave generating system and/or reflected wave signals returned to the electromagnetic wave generating system;
and determining the dielectric coefficient of the object to be processed according to the incident wave signal and/or the reflected wave signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111129387.7A CN115868594A (en) | 2021-09-26 | 2021-09-26 | Heating device and control method for heating device |
| PCT/CN2022/113374 WO2023045643A1 (en) | 2021-09-26 | 2022-08-18 | Heating device and control method for heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111129387.7A CN115868594A (en) | 2021-09-26 | 2021-09-26 | Heating device and control method for heating device |
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| CN115868594A true CN115868594A (en) | 2023-03-31 |
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| CN202111129387.7A Pending CN115868594A (en) | 2021-09-26 | 2021-09-26 | Heating device and control method for heating device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN115868594A (en) |
| WO (1) | WO2023045643A1 (en) |
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| WO2023045643A1 (en) | 2023-03-30 |
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