WO2020140712A1 - 加热装置 - Google Patents
加热装置 Download PDFInfo
- Publication number
- WO2020140712A1 WO2020140712A1 PCT/CN2019/124657 CN2019124657W WO2020140712A1 WO 2020140712 A1 WO2020140712 A1 WO 2020140712A1 CN 2019124657 W CN2019124657 W CN 2019124657W WO 2020140712 A1 WO2020140712 A1 WO 2020140712A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heating device
- electromagnetic
- radome
- processed
- generation module
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
-
- 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
- H05B6/46—Dielectric heating
-
- 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
- H05B6/688—Circuits for monitoring or control for thawing
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/16—Shelves, racks or trays inside ovens; Supports therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
-
- 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
- H05B6/46—Dielectric heating
- H05B6/62—Apparatus for specific applications
-
- 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
- H05B6/6402—Aspects relating to the microwave cavity
-
- 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
- H05B6/6408—Supports or covers specially adapted for use in microwave heating apparatus
-
- 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
- H05B6/6447—Method of operation or details of the microwave heating apparatus related to the use of detectors or sensors
-
- 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
-
- 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
- H05B6/72—Radiators or antennas
Definitions
- the invention relates to kitchen utensils, in particular to an electromagnetic wave heating device.
- the prior art generally defrosts food through electromagnetic wave devices (such as microwave ovens).
- trays and other holding dishes are usually placed in the heating chamber to carry food, and the electromagnetic wave absorption capacity of the holding dishes will indirectly affect the thawing efficiency of the food. If the holding dishes have strong electromagnetic wave absorption capabilities , The electromagnetic waves acting on the food are less, and the defrosting efficiency of the food is lower; if the absorption capacity of the electromagnetic wave is weak, the electromagnetic waves acting on the food are more, and the defrosting efficiency of the food is higher.
- An object of the present invention is to provide an electromagnetic wave heating device in view of the above-mentioned deficiencies in the prior art, and the plastic parts therein have a weak absorption capacity for electromagnetic waves.
- a further object of the invention is to improve the assembly efficiency of the heating device.
- Another further object of the present invention is to improve heating efficiency.
- the present invention provides a heating device, including:
- the cylinder body is provided with an access port
- a door body provided at the access port, for opening and closing the access port
- An electromagnetic generating system at least a part of which is disposed in the cylinder or reaches the cylinder, to generate electromagnetic waves in the cylinder to heat the object to be processed; characterized in that the heating device further includes:
- the plastic part is arranged on the propagation path of the electromagnetic wave, and is made of non-transparent PP material, so as to reduce the absorption of the electromagnetic wave by the plastic part.
- the plastic part includes:
- the object container is used to carry the object to be processed.
- the access port is opened on the front side wall of the barrel.
- the object container is a drawer that can slide in the front-rear direction and has an upward opening, so that the object to be processed can be easily taken in and out.
- the electromagnetic generation system includes:
- An electromagnetic generation module configured to generate electromagnetic wave signals
- a radiating antenna is provided in the barrel and electrically connected to the electromagnetic generation module to generate electromagnetic waves of corresponding frequencies in the barrel according to the electromagnetic wave signal.
- the plastic part includes:
- the radome is arranged to divide the internal space of the cylinder into a heating room and an electrical appliance room, wherein the object to be processed and the radiation antenna are respectively provided in the heating room and the electrical appliance room.
- the radome is disposed at the bottom of the barrel, and the radiation antenna is horizontally fixed to the lower surface of the radome.
- the radiation antenna is arranged at a height of 1/3 to 1/2 of the barrel.
- the radiation antenna is formed with a plurality of clamping holes
- the radome is correspondingly formed with a plurality of buckles, and the plurality of buckles are configured to respectively buckle with the radiating antenna through the plurality of buckling holes;
- the buckle is composed of two barbs spaced apart and mirror-symmetrical; or
- the buckle is composed of a fixing portion perpendicular to the radiating antenna and hollow in the middle, and an elastic portion extending from the inner end edge of the fixing portion to the radiating antenna obliquely to the fixing portion.
- the heating device further includes:
- the signal processing, measurement and control circuit is arranged to be electrically connected to the electromagnetic generation module, and is arranged in the electrical appliance room and the rear side of the radiation antenna.
- the signal processing and measurement and control circuit includes:
- a detection unit connected in series between the electromagnetic generation module and the radiation antenna, and the detection unit is configured to detect specific parameters of the incident wave signal and the reflected wave signal passing therethrough;
- a control unit configured to calculate the electromagnetic wave absorption rate of the object to be processed according to the specific parameter
- a matching unit is connected in series between the electromagnetic generation module and the radiation antenna, and the matching unit is configured to adjust the load impedance of the electromagnetic generation module according to the electromagnetic wave absorption rate.
- the heating device of the present invention is made of non-transparent PP materials, the absorption of electromagnetic waves by the plastic parts is reduced, which indirectly increases the proportion of electromagnetic waves acting on the object to be treated, thereby improving the heating device Heating efficiency.
- the inventor of the present application uses a non-transparent material to manufacture the plastic parts in the barrel, which overcomes the technical prejudice existing in the prior art.
- the plastic parts made of transparent materials would reduce the electromagnetic wave absorption of the container.
- transparent trays, transparent turntables, etc. are used to carry the objects to be processed. This.
- the heating device of the present invention sets and fixes the radiating antenna through the radome, not only can the object to be processed and the radiating antenna be separated, preventing the radiating antenna from being dirty or damaged by accidental touch, but also simplifying the assembly process of the heating device, Facilitate the positioning and installation of radiating antenna.
- the invention sets the radome at the height of 1/3 to 1/2 of the barrel, which not only avoids damage to the radome and radiating antenna due to the user placing too high objects to be processed, but also enables the electromagnetic waves in the heating chamber to have The higher energy density causes the object to be processed to be heated quickly.
- the present invention adjusts the load impedance of the electromagnetic generation module through the matching unit, improves the matching degree of the output impedance of the electromagnetic generation module and the load impedance, and can place different fixed attributes (type, weight, volume, etc.) with different fixed properties in the heating chamber During the temperature change of food or food, more electromagnetic wave energy is radiated into the heating chamber.
- FIG. 1 is a schematic structural diagram of a heating device according to an embodiment of the present invention.
- FIG. 2 is a schematic cross-sectional view of the heating device shown in FIG. 1, wherein the electromagnetic generation module and the power supply module are omitted;
- FIG. 3 is a schematic enlarged view of area A in FIG. 2;
- FIG. 4 is a schematic structural diagram of an electrical appliance room according to an embodiment of the present invention.
- FIG. 5 is a schematic enlarged view of area B in FIG. 4;
- FIG. 6 is a schematic structural diagram of an electrical appliance room according to another embodiment of the present invention.
- FIG. 7 is a schematic enlarged view of area C in FIG. 6.
- FIG. 1 is a schematic structural diagram of a heating device 100 according to an embodiment of the present invention
- FIG. 2 is a schematic cross-sectional view of the heating device 100 shown in FIG. 1, wherein the electromagnetic generation module 161 and the power supply module 162 are omitted.
- the heating device 100 may include a cylinder 110, a door 120, an electromagnetic generation module 161, a power supply module 162, and a radiation antenna 150.
- the barrel 110 can be used for placing objects to be processed, and the front wall or the top wall can be provided with a pick-and-place port for picking and placing the objects.
- the door 120 can be installed with the cylinder 110 by a suitable method, such as sliding rail connection, hinge connection, etc., for opening and closing the access opening.
- the cylinder body 110 and the door body 120 may be provided with electromagnetic shielding features, respectively, so that the door body 120 is electrically connected to the cylinder body 110 in the closed state to prevent electromagnetic leakage.
- the power supply module 162 may be configured to be electrically connected to the electromagnetic generation module 161 to provide electrical energy to the electromagnetic generation module 161, so that the electromagnetic generation module 161 generates an electromagnetic wave signal.
- the radiation antenna 150 may be disposed in the barrel 110 and electrically connected to the electromagnetic generation module 161 to generate electromagnetic waves of corresponding frequencies according to the electromagnetic wave signal to heat the object to be processed in the barrel 110.
- the barrel 110 may be made of metal to serve as a receiver to receive electromagnetic waves generated by the radiating antenna 150.
- the side wall of the barrel 110 opposite to the radiating antenna 150 may be provided with a receiving electrode plate to receive the electromagnetic wave generated by the radiating antenna 150.
- FIGS. 4 and 6 are schematic structural diagram of an electrical appliance room 112 according to an embodiment of the present invention
- FIG. 6 is a schematic structural diagram of an electrical appliance room 112 according to another embodiment of the present invention.
- the periphery of the radiating antenna 150 may be formed by a smooth curve to make the distribution of electromagnetic waves in the barrel 110 more uniform, thereby improving the temperature uniformity of the object to be processed.
- the smooth curve refers to the curve equation is a continuous curve of the first derivative. In engineering, it means that the periphery of the radiation antenna 150 has no sharp corners.
- the heating device 100 may further include a radome 130 to divide the internal space of the barrel 110 into a heating chamber 111 and an electrical appliance chamber 112.
- the to-be-processed object and the radiation antenna 150 may be respectively disposed in the heating chamber 111 and the electric appliance room 112 to separate the to-be-processed object and the radiation antenna 150 to prevent the radiation antenna 150 from being dirty or damaged by accidental touch.
- the radome 130 may be made of insulating plastic so that the electromagnetic waves generated by the radiating antenna 150 can pass through the radome 130 to heat the object to be processed.
- the radome 130 may be provided on the bottom of the barrel 110 to avoid damage to the radome 130 and the radiating antenna 150 due to the object placed by the user too high.
- the radiating antenna 150 may be horizontally arranged at a height of 1/3 to 1/2 of the barrel 110, for example, 1/3, 2/5, or 1/2, so that the volume of the heating chamber 111 is larger, and the heating chamber
- the electromagnetic wave in 111 has a high energy density, which in turn causes the object to be processed to be quickly heated.
- the object to be processed can be placed directly on the radome 130.
- the heating device 100 may further include a container for carrying the object to be processed.
- the tray can be a tray.
- the container can be a plastic drawer 140 with an upward opening.
- the two lateral side plates of the drawer 140 can be movably connected to the barrel 110 through slide rails, so that the drawer 140 can slide back and forth, which is convenient for picking and placing objects to be processed.
- the front wall of the drawer 140 may be provided to be fixedly connected to the door 120.
- the plastic parts such as the radome 130 and the drawer 140 may be made of non-transparent (translucent or opaque) PP materials to reduce the electromagnetic loss of electromagnetic waves on the plastic parts and indirectly increase the effect on the The ratio of the electromagnetic wave of the processed object, thereby increasing the heating rate of the processed object.
- the heating device includes a cylinder, a door, a drawer, a radiation antenna, an electromagnetic generation module, and a radome covered with an antenna.
- the radiation antenna is arranged at a height of 1/3 of the cylinder;
- Both the drawer and the radome are made of PP material produced by ExxonMobil Corporation with white masterbatch (the model of PP material is AP3N, the mixed material is opaque, and is usually used to make the drawer of the freezer compartment of the refrigerator).
- Example 1 The difference from Example 1 is that the drawer and the radome are made of PP material (model AP3N, translucent) produced by ExxonMobil Corporation.
- Embodiment 1 The difference from Embodiment 1 is that the drawer and the radome are made of PTFE material (model M-139, opaque) produced by Daikin Fluorine Chemical Co., Ltd.
- Embodiment 1 The difference from Embodiment 1 is that both the drawer and the radome are made of transparent PC material (model 2805, transparent) produced by Bayer Co., Ltd.
- Example 1 The difference from Example 1 is that the drawer and the radome are made of transparent PS material (model 165H, transparent) produced by BASF Corporation.
- Example 1 The difference from Example 1 is that the drawer is made of PS material (model 165H, transparent) produced by BASF AG.
- Test description Put the same quality edible vegetable oil in the drawers of each embodiment and each comparative example, measure the starting temperature of the edible oil, and then make the electromagnetic generation module generate an electromagnetic wave signal of 40.68MHz and 100W for 5 minutes, then measure the edible oil End temperature.
- Example 1-2 The test results according to Example 1-2 and according to Comparative Example 1-4 are shown in Table 1-6, respectively.
- two or three samples were placed in the heating devices of Examples 1-2 and Comparative Examples 1-4, respectively, for testing.
- the temperature rise value of the edible vegetable oil in the heating device made of opaque PP material for the drawer and radome, and the drawer and radome are both half
- the temperature increase value of the edible vegetable oil in the heating device made of transparent PP material, the drawer and the radome are made of opaque PTFE material
- the temperature increase value of the edible vegetable oil in the heating device made of opaque PTFE material are much greater than that of the drawer and the radome
- the absorption capacity of opaque PP material, translucent PP material, and opaque PTFE material for electromagnetic waves is weaker than that of transparent PC material, and electromagnetic waves have less electromagnetic loss on opaque PP material, translucent PP material, and opaque PTFE material.
- the radome 130 can also be used to fix the radiation antenna 150 to simplify the assembly process of the heating device 100 and facilitate the positioning and installation of the radiation antenna 150.
- the radome 130 may include a partition 131 partitioning the heating chamber 111 and the electrical appliance chamber 112, and a skirt 132 fixedly connected to the inner wall of the barrel 110.
- the radiation antenna 150 may be fixedly connected to the partition 131.
- the radiating antenna 150 may be configured to be fixedly connected to the radome 130.
- FIG. 5 is a schematic enlarged view of area B in FIG. 4. Referring to FIG. 5, the radiating antenna 150 may be formed with a plurality of snap holes 151, and the radome 130 may be correspondingly formed with a plurality of snaps 133, and the multiple snaps 133 are respectively disposed through the multiple snap holes 151 and the radiating antenna 150 card connection.
- the buckle 133 may be composed of two barbs arranged at intervals and mirror-symmetrical.
- the buckle 133 may be composed of a fixing portion perpendicular to the radiating antenna 150 and hollow in the middle, and an elastic portion whose inner end edge is inclined to the fixing portion and extends toward the antenna.
- the radiating antenna 150 may be configured to be fixed to the radome 130 through an electroplating process.
- the radome 130 may further include a plurality of reinforcing ribs, which are configured to connect the partition plate 131 and the skirt 132 to improve the structural strength of the radome 130.
- FIG. 3 is a schematic enlarged view of area A in FIG. 2.
- the heating device 100 may further include a signal processing and measurement and control circuit 170.
- the signal processing and measurement and control circuit 170 may include a detection unit 171, a control unit 172, and a matching unit 173.
- the detection unit 171 may be connected in series between the electromagnetic generation module 161 and the radiation antenna 150, and is configured to detect specific parameters of the incident wave signal and the reflected wave signal passing therethrough in real time.
- the control unit 172 may be configured to acquire the specific parameter from the detection unit 171, and calculate the power of the incident wave and the reflected wave according to the specific parameter.
- the specific parameter may be a voltage value and/or a current value.
- the detection unit 171 may also be a power meter to directly measure the power of the incident wave and the reflected wave.
- the control unit 172 may further calculate the electromagnetic wave absorption rate of the object to be processed according to the power of the incident wave and the reflected wave, and compare the electromagnetic wave absorption rate with the preset absorption threshold, and send the adjustment to the matching unit 173 when the electromagnetic wave absorption rate is less than the preset absorption threshold instruction.
- the preset absorption threshold may be 60-80%, such as 60%, 70%, or 80%.
- the matching unit 173 may be connected in series between the electromagnetic generation module 161 and the radiating antenna 150, and is configured to adjust the load impedance of the electromagnetic generation module 161 according to the adjustment instruction of the control unit 172, thereby improving the output impedance and load impedance of the electromagnetic generation module 161 Matching degree, to place food with different fixed properties (type, weight, volume, etc.) in the heating chamber 111, or during the temperature change of food, more electromagnetic wave energy is radiated in the heating chamber 111, thereby improving heating rate.
- the heating device 100 may be used for thawing.
- the control unit 172 may also be configured to calculate the change rate of the imaginary part of the dielectric coefficient of the object to be processed according to the power of the incident wave and the reflected wave, and compare the change rate of the imaginary part with a preset change threshold. When the change rate of the imaginary part is greater than or equal to the preset change threshold, a stop instruction is sent to the electromagnetic generation module 161 to stop the electromagnetic generation module 161 from working, and the defrosting program is terminated.
- the preset change threshold can be obtained by testing the change rate of the imaginary part of the dielectric constant of foods with different fixed properties at -3 ⁇ 0 °C, so that the food has a better shear strength. For example, when the object to be processed is raw beef, the preset change threshold may be set to 2.
- the control unit 172 can also be configured to receive user instructions and control the electromagnetic generation module 161 to start working according to the user instructions, wherein the control unit 172 is configured to be electrically connected to the power supply module 162 to obtain power from the power supply module 162 and remain in a standby state all the time.
- the signal processing and measurement and control circuit 170 may be integrated into a circuit board and horizontally disposed in the electrical room 112 to facilitate the electrical connection of the radiation antenna 150 and the matching module.
- the radome 130 and the barrel 110 may be respectively provided with heat dissipation holes 190 at positions corresponding to the matching units 173, so that the heat generated when the matching unit 173 works is discharged through the heat dissipation holes 190.
- the signal processing and measurement and control circuit 170 may be disposed on the rear side of the radiation antenna 150.
- the rear portion of the bottom wall of the drawer 140 may be recessed upward to form an enlarged space at the lower portion.
- the heat dissipation hole 190 may be opened in the rear wall of the radome 130 and the barrel 110.
- the metal cylinder 110 may be set to be grounded to discharge the electric charge thereon, thereby improving the safety of the heating device 100.
- the heating device 100 may further include a metal bracket 180.
- the metal bracket 180 may be configured to connect the circuit board and the barrel 110 to support the circuit board and discharge the charge on the circuit board through the barrel 110.
- the metal bracket 180 may be composed of two parts perpendicular to each other.
- the electromagnetic generation module 161 and the power supply module 162 may be disposed outside the barrel 110.
- a part of the metal bracket 180 may be provided at the rear of the circuit board and extend vertically in the lateral direction, and it may be provided with two wiring ports, so that the wiring terminals of the detection unit 171 (or matching unit 173) protrude from one wiring port
- the electromagnetic generation module 161 is electrically connected, and the connection terminal of the control unit 172 extends from the other connection port and is electrically connected to the electromagnetic generation module 161 and the power supply module 162.
- the heating device 100 may be provided in the storage compartment of the refrigerator to facilitate the user to defrost food.
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- Combustion & Propulsion (AREA)
- Health & Medical Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
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Abstract
Description
测试产品(PP) | 开始温度(℃) | 结束温度(℃) | 温升(℃) |
样品1 | 22.3 | 34.6 | 12.3 |
样品2 | 22.1 | 34.4 | 12.3 |
平均 | / | / | 12.3 |
测试产品(PP) | 开始温度(℃) | 结束温度(℃) | 温升(℃) |
样品1 | 22.3 | 34.6 | 12.3 |
样品2 | 22.2 | 34.4 | 12.2 |
样品3 | 22.3 | 34.6 | 12.3 |
平均 | / | / | 12.27 |
测试产品(PTFE) | 开始温度(℃) | 结束温度(℃) | 温升(℃) |
样品1 | 21.8 | 33.2 | 11.4 |
样品2 | 21.9 | 33.3 | 11.4 |
平均 | / | / | 11.4 |
测试产品(PC) | 开始温度(℃) | 结束温度(℃) | 温升(℃) |
样品1 | 22.5 | 32.1 | 9.6 |
样品2 | 22.2 | 32.3 | 10.1 |
样品3 | 23.6 | 33.1 | 9.5 |
平均 | / | / | 9.73 |
测试产品(PS) | 开始温度(℃) | 结束温度(℃) | 温升(℃) |
样品1 | 22 | 33.9 | 11.9 |
样品2 | 22.6 | 34.8 | 12.2 |
平均 | / | / | 12.05 |
测试产品(PS+PP) | 开始温度(℃) | 结束温度(℃) | 温升(℃) |
样品1 | 22.6 | 34 | 11.4 |
样品2 | 23 | 33.8 | 10.8 |
样品3 | 22.6 | 33.6 | 11 |
平均 | / | / | 11.07 |
Claims (10)
- 一种加热装置,包括:筒体,开设有取放口;门体,设置于所述取放口处,用于开闭所述取放口;以及电磁发生***,至少一部分设置于所述筒体内或通达至所述筒体内,以在所述筒体内产生电磁波来加热待处理物;其特征在于,所述加热装置还包括:塑料件,设置于电磁波的传播路径上,由非透明PP材料制成,以减少所述塑料件对电磁波的吸收量。
- 根据权利要求1所述的加热装置,其中,所述塑料件包括:承物皿,用于承载待处理物。
- 根据权利要求2所述的加热装置,其中,所述取放口开设于所述筒体的前向侧壁;且所述承物皿为可沿前后方向滑动并具有向上开口的抽屉,以便于取放所述待处理物。
- 根据权利要求1所述的加热装置,其中,所述电磁发生***包括:电磁发生模块,配置为产生电磁波信号;和辐射天线,设置于所述筒体内并与所述电磁发生模块电连接,以根据所述电磁波信号在所述筒体内产生相应频率的电磁波。
- 根据权利要求4所述的加热装置,其中,所述塑料件包括:天线罩,设置为将所述筒体的内部空间分隔为加热室和电器室,其中待处理物和所述辐射天线分别设置于所述加热室和电器室内。
- 根据权利要求5所述的加热装置,其中,所述天线罩设置于所述筒体的底部,且所述辐射天线水平地固定于所述天线罩的下表面。
- 根据权利要求6所述的加热装置,其中,所述辐射天线设置于所述筒体的1/3~1/2高度处。
- 根据权利要求6所述的加热装置,其中,所述辐射天线形成有多个卡接孔;且所述天线罩对应地形成有多个卡扣,所述多个卡扣设置为分别穿过所述多个卡接孔与所述辐射天线卡接;其中所述卡扣由间隔设置且镜像对称的两个倒勾组成;或所述卡扣由垂直于所述辐射天线并中部中空的固定部、和自所述固定部的内端缘倾斜于固定部向辐射天线延伸的弹性部组成。
- 根据权利要求6所述的加热装置,还包括:信号处理及测控电路,设置为与所述电磁发生模块电连接,并设置于电器室内及所述辐射天线的后侧。
- 根据权利要求9所述的加热装置,其中,所述信号处理及测控电路包括:检测单元,串联在所述电磁发生模块与辐射天线之间,且所述检测单元配置为检测经过其的入射波信号和反射波信号的特定参数;控制单元,配置为根据所述特定参数计算待处理物的电磁波吸收率;和匹配单元,串联在所述电磁发生模块与辐射天线之间,且所述匹配单元配置为根据所述电磁波吸收率调节所述电磁发生模块的负载阻抗。
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JP2021538829A JP7253060B2 (ja) | 2019-01-04 | 2019-12-11 | 加熱装置 |
US17/420,514 US20220086969A1 (en) | 2019-01-04 | 2019-12-11 | Heating device |
EP19907963.3A EP3902375B1 (en) | 2019-01-04 | 2019-12-11 | Heating device |
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CN209893774U (zh) * | 2019-01-04 | 2020-01-03 | 青岛海尔股份有限公司 | 冷藏冷冻装置 |
CN115868594A (zh) * | 2021-09-26 | 2023-03-31 | 青岛海尔电冰箱有限公司 | 加热装置及用于加热装置的控制方法 |
CN114665909A (zh) * | 2022-03-24 | 2022-06-24 | Oppo广东移动通信有限公司 | 射频***、降低sar的方法以及无线通信设备 |
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US20220086969A1 (en) | 2022-03-17 |
EP3902375A1 (en) | 2021-10-27 |
JP7253060B2 (ja) | 2023-04-05 |
EP3902375A4 (en) | 2022-02-23 |
EP3902375B1 (en) | 2023-09-20 |
AU2019418573A1 (en) | 2021-07-22 |
JP2022516296A (ja) | 2022-02-25 |
AU2019418573B2 (en) | 2023-04-13 |
CN111417228A (zh) | 2020-07-14 |
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