WO2018058734A1 - 锅盖组件和具有其的烹饪器具 - Google Patents

锅盖组件和具有其的烹饪器具 Download PDF

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Publication number
WO2018058734A1
WO2018058734A1 PCT/CN2016/104290 CN2016104290W WO2018058734A1 WO 2018058734 A1 WO2018058734 A1 WO 2018058734A1 CN 2016104290 W CN2016104290 W CN 2016104290W WO 2018058734 A1 WO2018058734 A1 WO 2018058734A1
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WO
WIPO (PCT)
Prior art keywords
detecting
lid assembly
conductive portion
overflow
detecting device
Prior art date
Application number
PCT/CN2016/104290
Other languages
English (en)
French (fr)
Inventor
雷俊
刘文华
王云峰
黄庶锋
江德勇
张帆
黄韦铭
Original Assignee
佛山市顺德区美的电热电器制造有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201621099478.5U external-priority patent/CN206350667U/zh
Priority claimed from CN201621103458.0U external-priority patent/CN206350670U/zh
Application filed by 佛山市顺德区美的电热电器制造有限公司 filed Critical 佛山市顺德区美的电热电器制造有限公司
Priority to JP2018544776A priority Critical patent/JP6717960B2/ja
Priority to EP16917481.0A priority patent/EP3415046B1/en
Priority to KR1020187020997A priority patent/KR102055209B1/ko
Publication of WO2018058734A1 publication Critical patent/WO2018058734A1/zh
Priority to US16/284,978 priority patent/US11571082B2/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/56—Preventing boiling over, e.g. of milk
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/004—Cooking-vessels with integral electrical heating means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/912—Cookware, i.e. pots and pans

Definitions

  • the present invention relates to the field of electrical appliance manufacturing technology, and in particular to a lid assembly and a cooking appliance having the lid assembly.
  • Cooking utensils such as rice cookers are usually provided with an overflow prevention device in order to achieve an overflow prevention function.
  • the overflow prevention detecting device applied to the cooking appliance realizes the detection of the overflow signal by detecting the resistance characteristic of the water, and it is necessary to provide at least two probes, which is high in cost and inferior in sensitivity.
  • the present invention aims to solve at least one of the above technical problems in the prior art to some extent.
  • the present invention provides a lid assembly that has the advantages of low cost, timely detection of overflow prevention, and the like.
  • the invention also proposes a cooking appliance having the lid assembly.
  • a first aspect of the present invention provides a lid assembly comprising: a lid body; an overflow prevention detecting device, wherein the overflow detecting device is a capacitive detecting device and is disposed in the On the lid body, at least the lower surface of the overflow prevention detecting device constitutes a detecting surface, and the capacitance value of the overflow preventing detecting device changes according to a change of the detecting surface contacting the medium.
  • the lid assembly according to the present invention has the advantages of low cost, timely detection of overflow prevention and the like.
  • lid assembly according to the invention may also have the following additional technical features:
  • the lower end of the overflow prevention detecting device is not higher than the inner surface of the lid body.
  • the lid body includes: an outer lid; an inner lid, the inner lid is disposed inside the outer lid, and the overflow prevention detecting device is disposed on the outer lid and the inner lid At least one of the upper and lower ends is not higher than a lower surface of the inner cover.
  • the inner cover is provided with a detecting device via, and at least a portion of the overflow detecting device is fitted in the detecting device via.
  • the upper end of the overflow prevention detecting device is disposed on the outer cover and the lower end passes through the detecting device via.
  • the upper end of the overflow prevention detecting device is disposed on the outer cover and the lower end is flush with the lower surface of the inner cover.
  • a lower surface of the inner cover is provided with a lower ring extending along a circumferential direction of the detecting device via, and a lower end of the overflow detecting device is not higher than the lower ring lower surface.
  • the overflow prevention detecting device is provided at a center of the lid body in the horizontal direction.
  • the lid body is provided with an air outlet at a center in a horizontal direction, and the overflow prevention detecting device is spaced apart from the air outlet.
  • the overflow prevention detecting device includes: an electric conductor; an insulator covering at least a side surface and/or a lower surface of the electric conductor, a side surface and/or a lower surface of the insulator
  • the surface constitutes a detecting surface
  • the capacitance value of the electric conductor changes according to a change of the contact surface of the detecting surface
  • the capacitance detecting chip is connected to the electric conductor, and the capacitance detecting chip detects the conductive
  • the capacitance value of the body changes to generate a detection signal.
  • the lid assembly further includes: a main control chip, wherein the main control chip communicates with the capacitance detecting chip to receive the detection signal, and determines whether an overflow occurs according to the detection signal phenomenon.
  • a resistor is connected between the capacitance detecting chip and the electrical conductor.
  • the electrical conductor is helical.
  • the insulator covers at least a lower surface of the electrical conductor and a lower surface of the insulator constitutes a detecting surface.
  • a detection piece is disposed under the electrical conductor, and the detection piece abuts against the insulator.
  • the insulator covers at least a side surface of the electric conductor and a side surface of the insulator constitutes a detecting surface.
  • the outer side of the electrical conductor is in close contact with the inner side of the insulator.
  • the electrical conductor includes: a first conductive portion; a second conductive portion, the second conductive portion is disposed above the first conductive portion and integrated with the first conductive portion
  • the second conductive portion has a diameter larger than a diameter of the first conductive portion
  • the insulator includes at least a first insulating wall covering a lower surface of the first conductive portion and a second conductive portion covering the second conductive portion a second insulating wall of the lower surface, the detecting surface including a first detecting surface formed by a lower surface of the first insulating wall and a second detecting surface formed by a lower surface of the second insulating wall, the electrical conductor
  • the capacitance value changes as the first detection surface and the second detection surface contact the medium.
  • the insulator is provided with a second groove and a first groove provided on the bottom wall of the second groove, and the lower surface of the second conductive portion is stopped at the bottom The first conductive portion on the bottom wall of the second recess The lower surface of the lower surface abuts against the bottom wall of the first recess.
  • the lower surface of the first conductive portion is provided with a first detecting piece and the lower surface of the second conductive portion is provided with a second detecting piece.
  • the first detecting piece and the first conductive part are a single piece
  • the second detecting piece and the second conductive part are a single piece
  • the first conductive portion is a first spring and the second conductive portion is a second spring
  • the first detecting piece is wound and flattened by a lower end of the first spring.
  • the second detecting piece is wound and flattened by the lower end of the second spring.
  • a second aspect of the invention provides a cooking appliance comprising a pot body; a lid assembly for opening and closing the pot body, the lid assembly being according to the first aspect of the invention Cover assembly.
  • the cooking appliance according to the present invention has the advantages of low cost, high reliability, and the like by utilizing the lid assembly according to the first aspect of the invention.
  • the cooking appliance is a rice cooker or an electric pressure cooker.
  • FIG. 1 is an exploded view of a cooking appliance in accordance with an embodiment of the present invention.
  • FIG. 2 is an exploded view of a cooking appliance in accordance with an embodiment of the present invention.
  • FIG 3 is a schematic structural view of an anti-overflow detecting device of a lid assembly according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural view of a cooking appliance in accordance with another embodiment of the present invention.
  • Fig. 5 is a schematic structural view of an anti-overflow detecting device of a cooking appliance according to another embodiment of the present invention.
  • Fig. 6 is a schematic structural view of an anti-overflow detecting device of a cooking appliance according to another embodiment of the present invention.
  • Fig. 7 is a schematic structural view of an anti-overflow detecting device of a cooking appliance according to another embodiment of the present invention.
  • cooking appliance 1 lid assembly 10, lid body 11, outer lid 100, inner lid 200, detecting device via 210, lower ring table 211, gas outlet 220, overflow prevention device 300, electrical conductor 310
  • the insulator 320, the detecting surface 3200, the capacitance detecting chip 330, the main control chip 340, the resistor 350, the pot body 20, the detecting piece 3100, the first conductive portion 311, the first detecting piece 3110, the second conductive portion 312, and the second detecting The sheet 3120, the first insulating wall 321, the first detecting surface 3210, the second insulating wall 322, and the second detecting surface 3220.
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • a lid assembly 10 according to an embodiment of the present invention will now be described with reference to the accompanying drawings.
  • the lid assembly 10 includes a lid body 11 and an overflow prevention detecting device 300.
  • the overflow prevention detecting device 300 is a capacitive detecting device and is disposed on the lid body 11, and at least the lower surface of the overflow detecting device 300 constitutes a detecting surface 3200 (up and down direction is indicated by an arrow A in FIG. 1 to FIG. 3), and the overflow prevention The capacitance value of the detecting device 300 changes as the detecting surface 3200 contacts the medium.
  • the capacitive detecting device refers to a capacitance change caused when the measured medium is immersed in the detecting device according to the principle of capacitive sensing, and the change is converted into a standard current signal, thereby realizing prevention. Overflow related control.
  • the lid assembly 10 can detect the change of the capacitance value when the liquid (such as foam) in the cooking appliance contacts the overflow prevention detecting device 300 by using the capacitance detecting device.
  • Implement detection of overflow signals not only the anti-overflow detection function can be realized, but also the resistance detection method 300 can reduce the cost of the anti-overflow detecting device 300, thereby reducing the cost of the cooking appliance, reducing the probability of misjudgment, and improving the accuracy of the anti-overflow detection. .
  • the lid assembly 10 according to the embodiment of the present invention has the advantages of low cost, timely detection of overflow prevention, and the like.
  • a lid assembly 10 in accordance with an embodiment of the present invention is described below with reference to the drawings.
  • the lid assembly 10 includes a lid body 11 and an overflow prevention detecting device 300.
  • the lower end of the overflow prevention detecting device 300 is not higher than the inner surface of the lid body 11.
  • the surface constitutes the detecting surface 3200, and the lower end of the overflow prevention detecting device 300 is not higher than the inner surface of the lid body 11.
  • the overflow prevention detection can be easily reduced.
  • the height of the lower end of the device 300 prevents the liquid from entering the lid body 11 to be detected by the anti-overflow detecting device 300, thereby causing the hysteresis of the anti-overflow detection, so that the anti-overflow detecting device 300 detects more promptly and quickly, and avoids the liquid being heated under the residual heat.
  • the cover body 11 is overflowed to ensure the timeliness and reliability of the overflow function of the lid assembly 10.
  • the lid body 11 includes an outer cover 100 and an inner cover 200.
  • the inner cover 200 is disposed inside the outer cover 100, and the overflow prevention detecting device 300 is disposed on at least one of the outer cover 100 and the inner cover 200 and the overflow detecting device 300
  • the lower end is not higher than the lower surface of the inner cover 200.
  • the inner cover 200 can be used to block the foam to prevent the foam from directly overflowing the lid body 11 , and since the lower end of the overflow prevention detecting device 300 is not higher than the lower surface of the inner cover 200, the overflow prevention detecting device can be further ensured.
  • the timeliness of the 300 detection avoids the lag of the detection and causes the liquid to overflow.
  • the inner cover 200 is provided with a detection device via 210, at least a portion of which is fitted within the detection device via 210.
  • the eagle detecting device via 210 can avoid the overflow preventing detecting device 300 to facilitate the setting of the overflow preventing detecting device 300 to ensure that the lower end of the overflow preventing detecting device 300 is not lower than the lower surface of the inner cover 200.
  • the upper end of the overflow prevention detecting device 300 is disposed on the outer cover 100 and the lower end passes through the detecting device via 210.
  • the lower end of the overflow prevention detecting device 300 can be further extended beyond the detecting device through hole 210, so that the lower end of the overflow preventing detecting device 300 is further penetrated into the cooking utensil of the cooking device, so that the detecting surface 3200 is closer to the liquid surface in the cooking device, and further Improve the timeliness of testing.
  • the upper end of the overflow prevention detecting device 300 is disposed on the outer cover 100 and the lower end is flush with the lower surface of the inner cover 200. In this way, when the liquid in the pot reaches the lower surface of the inner cover 200, the anti-overflow detecting device 300 generates a detection signal, and the timeliness of the detection can be ensured as well.
  • the lower surface of the inner cover 200 is provided with a lower ring stage 211 extending in the circumferential direction of the detecting device via 210, and the lower end of the overflow preventing detecting device 300 is not higher than the lower surface of the lower ring stage 211. .
  • This can facilitate the formation of the detecting device via 210, and can ensure that the overflow detecting device 300 is lower than the lower surface of the lower ring stage 211, thereby correcting the timeliness of the detection.
  • the overflow prevention detecting device 300 is provided at the center of the lid body 11 in the horizontal direction. This makes it easy to detect whether there is a tendency for the liquid at the center of the pan to overflow, thereby further facilitating the timeliness of the test.
  • the lid body 11 is provided with an air outlet 220 at the center in the horizontal direction, and the overflow prevention detecting device 300 is spaced apart from the air outlet 220. This can facilitate the design of the air outlet 220 The gas is discharged through the gas outlet 220.
  • FIG. 3 shows a cooking appliance 1 according to a specific example of the invention.
  • the lid assembly 10 further includes a capacitance detecting chip 330.
  • the overflow prevention detecting device 300 includes an electrical conductor 310 and an insulator 320.
  • the insulator 320 covers at least the lower surface of the conductor 310, and at least the lower surface of the insulator 320 constitutes the detecting surface 3200.
  • the capacitance value of the conductor 310 changes as the detecting surface 3200 contacts the medium.
  • the capacitance detecting chip 330 is connected to the conductor 310, and the capacitance detecting chip 330 generates a detection signal by detecting the amount of change in the capacitance value of the conductor 310. In this way, at least the lower surface of the insulator 320 can be used to form the detecting surface 3200.
  • the capacitance detecting chip 330 detects the change in the capacitance value of the electric conductor 310 to emit
  • the detection signal realizes the function of detecting whether the liquid overflows or not, and realizes the function of overflow prevention detection.
  • the overflow prevention detecting apparatus 300 further includes a main control chip 340.
  • the main control chip 340 communicates with the capacitance detecting chip 330 to receive the detection signal, and determines whether an overflow phenomenon occurs according to the detection signal. In this way, the main control chip 340 can be used to judge whether or not there is liquid overflow, thereby facilitating control of the cooking state of the cooking appliance.
  • a resistor 350 is connected between the capacitance detecting chip 330 and the electrical conductor 310.
  • the resistor 350 is used to filter the capacitance value change signal of the electric conductor 200, thereby functioning as an anti-interference.
  • the resistance value of the resistor 350 may preferably be 10 ⁇ to 10 k ⁇ .
  • the inner cover 200 may be detachably provided on the outer cover 100.
  • An anti-overflow detecting device 300 for a cooking appliance according to another embodiment of the present invention will now be described with reference to the accompanying drawings.
  • the overflow prevention detecting apparatus 300 for a cooking appliance includes an electrical conductor 310, an insulator 320, and a capacitance detecting chip 330.
  • the conductor 310 is spiral.
  • the insulator 320 covers at least a side surface and/or a lower surface of the conductor 310 (up and down direction is indicated by an arrow A in FIGS. 4-7), and side and/or lower surfaces of the insulator 320 constitute a detecting surface 3200, and the conductor 310
  • the capacitance value changes as the contact surface 3200 contacts the medium.
  • the capacitance detecting chip 330 is connected to the conductor 310, and the capacitance detecting chip 330 generates a detection signal by detecting the amount of change in the capacitance value of the conductor 310.
  • the capacitance value of the electric conductor 310 can be changed according to the change of the dielectric contact insulator 320 to pass the detecting electric conductor 310.
  • the capacitance value determines the change of the contact prevention detecting device 300 in contact with the medium, thereby judging whether or not the liquid (such as foam) in the cooking appliance has a tendency to overflow, thereby realizing the function of the overflow prevention detection.
  • the anti-overflow detecting device 300 adopts the capacitive detecting device, which can not only realize the anti-overflow detecting function, but also reduce the cost of the anti-overflow detecting device 300 by using the resistive detecting method in the related art. Thereby reducing the cost of the cooking appliance, reducing the probability of misjudgment, and improving the accuracy of the anti-overflow detection.
  • the material cost of the electrical conductor 310 can be reduced, and the electrical conductor 310 can be made to have a certain elasticity, so that the electrical conductor 310 can be more easily adhered to the insulator 320 to ensure cooking.
  • the consistency of the detection signals of the overflow prevention detecting device 300 of the appliance further improves the accuracy and reliability of the detection by the overflow prevention detecting device 300.
  • the overflow prevention detecting device 300 for a cooking appliance has advantages such as low cost, high reliability, and the like.
  • the insulator 320 covers at least the lower surface of the conductor 310 and the lower surface of the insulator 320 constitutes the detecting surface 3200.
  • the height of the liquid surface can be detected by the lower surface of the insulator 320, so that the detection surface 3200 is closer to the liquid surface, so that the anti-overflow detection is more timely and reliable, and the heating of the cooking appliance can be stopped in time.
  • a detecting piece 3100 is disposed under the conductor 310, and the detecting piece 3100 is stopped against the insulator 320.
  • the conductor 310 can be brought into contact with the insulator 320 through the detecting piece 3100 to ensure the contact area with the insulator 320, thereby further improving the reliability and accuracy of the detection.
  • the detecting piece 3100 may be a plate made of a conductive material and fixedly connected to the electric conductor 310.
  • one end of the electric conductor 310 may be flattened, specifically, the diameter of the winding after winding. The direction away from the electrical conductor is gradually reduced, and the reliability and accuracy of the detection are improved by pressing the film on the insulator 320 in a plane.
  • the insulator 320 covers at least a side surface of the conductor 310 and a side surface of the insulator 320 constitutes a detecting surface 3200.
  • the height of the liquid surface can be detected by the side surface of the insulator 320, so that the detecting surface 3200 can have a certain length in the vertical direction, thereby facilitating the overflow detecting device 300 to detect the rising trend of the liquid surface, and facilitating control of the cooking utensil. Heating effect.
  • the outer side surface of the electrical conductor 310 is in close contact with the inner side surface of the insulator 320. This makes the contact between the conductor 310 and the insulator 320 more reliable, thereby further ensuring the reliability and accuracy of the detection.
  • the electrical conductor 310 includes a first conductive portion 311 and a second conductive portion 312.
  • the second conductive portion 312 is disposed above the first conductive portion 311 and integrated with the first conductive portion 311.
  • the diameter of the second conductive portion 312 is larger than the diameter of the first conductive portion 311.
  • the insulator 320 includes at least the first conductive portion.
  • the detecting surface 3200 includes a first detecting surface 3210 composed of a lower surface of the first insulating wall 321, and The second detecting surface 3220 formed by the lower surface of the second insulating wall 322 changes the capacitance value of the electric conductor 310 as the first detecting surface 3210 and the second detecting surface 3220 contact the medium.
  • the anti-overflow detecting device 300 can have the first detecting surface 3210 and the second detecting surface by providing the first conductive portion 311 and the second conductive portion 312 and providing the first insulating wall 321 and the second insulating wall 322 on the insulator 320. 3220.
  • the internal liquid level rises, first contacting the lower one of the first detecting surface 3210 and the second detecting surface 3220, causing the capacitance detecting chip 330 to generate a detection signal to control the cooking.
  • the appliance adjusts the heating effect, such as lowering the heating temperature and reducing the rate at which the liquid level rises.
  • the detection signal of the capacitance detecting chip 330 is changed, and the cooking appliance is further controlled to adjust the heating effect, for example, The heating is stopped to prevent the liquid level from continuing to rise and overflow the cooking appliance to achieve the anti-overflow function.
  • the cooking appliance can be controlled to switch to a different cooking state, and the manner of directly stopping the heating compared to detecting the liquid level rising can ensure not only the cooking appliance pair
  • the heating effect of the food is sufficient to heat the food, to ensure the cooking effect of the cooking utensil, and to reduce the speed of the liquid level rise when the liquid surface first contacts the overflow prevention detecting device 300, thereby preventing the liquid surface from directly overflowing the cooking utensil.
  • the reliability of the overflow prevention detecting device 300 is improved.
  • the insulator 320 is provided with a second recess and a first recess provided on the bottom wall of the second recess, and the lower surface of the second conductive portion is stopped at the On the bottom wall of the second recess, the lower surface of the first conductive portion abuts against the bottom wall of the first recess.
  • the insulator 320 further includes a lower peripheral wall that connects the first insulating wall 321 and the second insulating wall 322 and an upper peripheral wall that extends upward and surrounds the second insulating wall 322.
  • the first conductive portion 311 is covered by the first insulating wall 321
  • the second conductive portion 312 is covered by the second insulating wall 322 , so that the first detecting surface 3210 and the second detecting surface 3220 can be configured.
  • An insulating wall 321 and the second insulating wall 322 are integrally connected to improve the integrity and structural strength of the insulator 320, and simplify the assembly process of the overflow prevention detecting device 300.
  • the lower surface of the first conductive portion 311 is provided with a first detecting piece 3110 and the lower surface of the second conductive portion 312 is provided with a second detecting piece 3120.
  • the first conductive portion 311 can contact the first insulating wall 321 through the first detecting piece 3110, so that the second conductive portion 312 can contact the second insulating wall 322 through the second detecting piece 3120, thereby increasing the first insulating wall.
  • the contact area of the 321 and the second insulating wall 322 further facilitates the detection of changes in the medium, and further improves the accuracy and reliability of the detection by the overflow prevention detecting device 300.
  • the first detecting piece 3110 is integrated with the first conductive portion 311, and the second detecting piece 3120 is integrated with the second conductive portion 312. This can further simplify the assembly process of the overflow prevention detecting device 300 and improve the production efficiency of the overflow prevention detecting device 300.
  • the first conductive portion 311 is a first spring and the second conductive portion 312 is a second spring
  • the first detecting piece 3110 is wound and flattened by the lower end of the first spring.
  • the second detecting piece 3120 is formed by flattening the lower end of the second spring. This can facilitate the formation of the first detecting piece 3110 and the second detecting piece 3120, reduce the manufacturing difficulty and manufacturing cost of the overflow preventing detecting device 300, improve the connection strength between the first conductive portion 311 and the first detecting piece 3110, and improve the second conductive.
  • the connection strength between the portion 312 and the second detecting piece 3120 can facilitate the formation of the first detecting piece 3110 and the second detecting piece 3120, reduce the manufacturing difficulty and manufacturing cost of the overflow preventing detecting device 300, improve the connection strength between the first conductive portion 311 and the first detecting piece 3110, and improve the second conductive.
  • the connection strength between the portion 312 and the second detecting piece 3120 can facilitate the formation of the first detecting piece 31
  • the overflow prevention detecting apparatus 300 further includes a main control chip 340.
  • the main control chip 340 communicates with the capacitance detecting chip 330 to receive the detection signal, and determines whether an overflow phenomenon occurs according to the detection signal. In this way, the main control chip 340 can be used to judge whether or not there is liquid overflow, thereby facilitating control of the cooking state of the cooking appliance.
  • a resistor 350 is connected between the capacitance detecting chip 330 and the conductor 310.
  • the resistor 350 is used to electrically connect the electrical conductor 200
  • the value change signal is filtered to prevent interference.
  • the resistance value of the resistor 350 may preferably be 10 ⁇ to 10 k ⁇ .
  • the cooking appliance 1 according to an embodiment of the present invention includes a pot body 20 and a lid assembly.
  • the lid assembly is used to open and close the pot body 20, which is a lid assembly 10 in accordance with the above-described embodiments of the present invention.
  • the cooking appliance 1 according to the embodiment of the present invention has advantages such as low cost, high reliability, and the like by utilizing the lid assembly 10 according to the above embodiment of the present invention.
  • the cooking appliance 1 is a rice cooker or an electric pressure cooker.
  • the capacitive overflow prevention function can be realized in the rice cooker or the electric pressure cooker, the cooking effect of the rice cooker or the electric pressure cooker can be improved, and the cost of the rice cooker or the electric pressure cooker can be reduced.
  • the terms “installation”, “connected”, “connected”, “fixed” and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

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  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)

Abstract

一种锅盖组件(10)和具有其的烹饪器具(1)，锅盖组件(10)包括：锅盖本体(11)；防溢检测装置(300)，防溢检测装置(300)为电容式检测装置且设在锅盖本体(11)上，防溢检测装置(300)至少下表面构成检测面(3200)，防溢检测装置(300)的电容值随检测面(3200)接触介质的变化而变化。

Description

锅盖组件和具有其的烹饪器具 技术领域
本发明涉及电器制造技术领域，具体而言，涉及一种锅盖组件和具有所述锅盖组件的烹饪器具。
背景技术
诸如电饭煲等烹饪器具，为了实现防溢出功能通常设有防溢检测装置。相关技术中应用于烹饪器具的防溢检测装置，通过检测水的电阻特性来实现溢出信号的检测，需要设置至少两根探针，成本较高，且灵敏度较差。
发明内容
本发明旨在至少在一定程度上解决现有技术中的上述技术问题之一。为此，本发明提出一种锅盖组件，该锅盖组件具有成本低、防溢检测及时等优点。
本发明还提出一种具有所述锅盖组件的烹饪器具。
为实现上述目的，本发明的第一方面提出一种锅盖组件，所述锅盖组件包括：锅盖本体；防溢检测装置，所述防溢检测装置为电容式检测装置且设在所述锅盖本体上，所述防溢检测装置至少下表面构成检测面，所述防溢检测装置的电容值随所述检测面接触介质的变化而变化。
根据本发明的锅盖组件，具有成本低、防溢检测及时等优点。
另外，根据本发明的锅盖组件还可以具有如下附加的技术特征：
根据本发明的一个实施例，所述防溢检测装置的下端不高于所述锅盖本体的内表面。
根据本发明的一个实施例，所述锅盖本体包括：外盖；内盖，所述内盖设在所述外盖内侧，所述防溢检测装置设在所述外盖和所述内盖中的至少一个上且下端不高于所述内盖的下表面。
根据本发明的一个实施例，所述内盖上设有检测装置过孔，所述防溢检测装置的至少一部分配合在所述检测装置过孔内。
根据本发明的一个实施例，所述防溢检测装置的上端设在所述外盖上且下端穿过所述检测装置过孔。
根据本发明的一个实施例，所述防溢检测装置的上端设在所述外盖上且下端与所述内盖的下表面平齐。
根据本发明的一个实施例，所述内盖的下表面设有沿所述检测装置过孔的周向延伸的下环台，所述防溢检测装置的下端不高于所述下环台的下表面。
根据本发明的一个实施例，所述防溢检测装置设在所述锅盖本体在水平方向上的中心处。
根据本发明的一个实施例，所述锅盖本体在水平方向上的中心处设有出气口，所述防溢检测装置与所述出气口间隔设置。
根据本发明的一个实施例，所述防溢检测装置包括：导电体；绝缘体，所述绝缘体至少包覆所述导电体的侧表面和/或下表面，所述绝缘体的侧表面和/或下表面构成检测面，所述导电体的电容值随所述检测面接触介质的变化而变化，电容检测芯片，所述电容检测芯片与所述导电体相连，所述电容检测芯片通过检测所述导电体的电容值变化量以生成检测信号。
根据本发明的一个实施例，所述锅盖组件还包括：主控芯片，所述主控芯片与所述电容检测芯片进行通信以接收所述检测信号，并根据所述检测信号判断是否发生溢出现象。
根据本发明的一个实施例，所述电容检测芯片与所述导电体之间连接有电阻。
根据本发明的一个实施例，所述导电体为螺旋状。
根据本发明的一个实施例，所述绝缘体至少包覆所述导电体的下表面且所述绝缘体的下表面构成检测面。
根据本发明的一个实施例，所述导电体的下方设有检测片，所述检测片止抵在所述绝缘体上。
根据本发明的一个实施例，所述绝缘体至少包覆所述导电体的侧表面且所述绝缘体的侧表面构成检测面。
根据本发明的一个实施例，所述导电体的外侧面与所述绝缘体的内侧面紧密贴合。
根据本发明的一个实施例，所述导电体包括：第一导电部；第二导电部，所述第二导电部设在所述第一导电部上方且与所述第一导电部为一体件，所述第二导电部的直径大于所述第一导电部的直径，所述绝缘体至少包括包覆所述第一导电部的下表面的第一绝缘壁和包覆所述第二导电部的下表面的第二绝缘壁，所述检测面包括由所述第一绝缘壁的下表面构成的第一检测面和由所述第二绝缘壁的下表面构成第二检测面，所述导电体的电容值随所述第一检测面和所述第二检测面接触介质的变化而变化。
根据本发明的一个实施例，所述绝缘体上设有第二凹槽以及设在所述第二凹槽的底壁上的第一凹槽，所述第二导电部的下表面止抵在所述第二凹槽的底壁上，所述第一导电部 的下表面止抵在所述第一凹槽的底壁上。
根据本发明的一个实施例，所述第一导电部的下表面设有第一检测片且所述第二导电部的下表面设有第二检测片。
根据本发明的一个实施例，所述第一检测片与所述第一导电部为一体件，所述第二检测片与所述第二导电部为一体件。
根据本发明的一个实施例，所述第一导电部为第一弹簧且所述第二导电部为第二弹簧，所述第一检测片由所述第一弹簧的下端绕制压平而成，所述第二检测片由所述第二弹簧的下端绕制压平而成。
本发明的第二方面提出一种烹饪器具，所述烹饪器具包括锅体；用于打开和关闭所述锅体的锅盖组件，所述锅盖组件为根据本发明的第一方面所述的锅盖组件。
根据本发明的烹饪器具，通过利用根据本发明的第一方面所述的锅盖组件，具有成本低、可靠性强等优点。
根据本发明的一个实施例，所述烹饪器具为电饭煲或电压力锅。
附图说明
图1是根据本发明实施例的烹饪器具的爆炸图。
图2是根据本发明实施例的烹饪器具的爆炸图。
图3是根据本发明实施例的锅盖组件的防溢检测装置的结构示意图。
图4是根据本发明另一个实施例的烹饪器具的结构示意图。
图5是根据本发明另一个实施例的烹饪器具的防溢检测装置的结构示意图。
图6是根据本发明另一个实施例的烹饪器具的防溢检测装置的结构示意图。
图7是根据本发明另一个实施例的烹饪器具的防溢检测装置的结构示意图。
附图标记：烹饪器具1、锅盖组件10、锅盖本体11、外盖100、内盖200、检测装置过孔210、下环台211、出气口220、防溢检测装置300、导电体310、绝缘体320、检测面3200、电容检测芯片330、主控芯片340、电阻350、锅体20、检测片3100、第一导电部311、第一检测片3110、第二导电部312、第二检测片3120、第一绝缘壁321、第一检测面3210、第二绝缘壁322、第二检测面3220。
具体实施方式
下面详细描述本发明的实施例，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，旨在用于解释本发明，而不能理解为对本发明的限制。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”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发明和简化描述，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发明的限制。
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或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本发明的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
下面参考附图描述根据本发明实施例的锅盖组件10。
如图1-图7所示，根据本发明实施例的锅盖组件10包括锅盖本体11和防溢检测装置300。
防溢检测装置300为电容式检测装置且设在锅盖本体11上，防溢检测装置300至少下表面构成检测面3200(上下方向如图1-图3中的箭头A所示)，防溢检测装置300的电容值随检测面3200接触介质的变化而变化。
本领域的技术人员可以理解地是，电容式检测装置是指，依据电容感应原理，当被测介质浸汲检测装置时，引起其电容变化，这种变化被转换成标准电流信号，进而实现防溢相关控制。
根据本发明实施例的锅盖组件10，通过使防溢检测装置300采用电容式检测装置，当烹饪器具内的液体(如泡沫)接触防溢检测装置300时，通过检测电容值的变化，可实现溢出信号的检测。这样不仅可以实现防溢检测功能，而且相比相关技术中采用电阻式检测方式，可以降低防溢检测装置300的成本，从而降低烹饪器具的成本，降低误判几率，提高防溢检测的准确性。
因此，根据本发明实施例的锅盖组件10具有成本低、防溢检测及时等优点。
下面参考附图描述根据本发明具体实施例的锅盖组件10。
在本发明的一些具体实施例中，如图1-图3所示，根据本发明实施例的锅盖组件10包括锅盖本体11和防溢检测装置300。
防溢检测装置300的下端不高于锅盖本体11的内表面。通过使防溢检测装置300的下 表面构成检测面3200，并使防溢检测装置300的下端不高于锅盖本体11的内表面，相比防溢检测装置300设在锅盖本体11内的技术方案，可以便于降低防溢检测装置300下端的高度，避免液体进入锅盖本体11内才能被防溢检测装置300检测到，而导致防溢检测的滞后，使防溢检测装置300检测更加及时快速，避免液体在余热的加热下溢出锅盖本体11，保证锅盖组件10防溢功能的及时性和可靠性。
具体地，锅盖本体11包括外盖100和内盖200，内盖200设在外盖100内侧，防溢检测装置300设在外盖100和内盖200中的至少一个上且防溢检测装置300的下端不高于内盖200的下表面。这样可以利用内盖200对泡沫起到一定的阻挡作用，避免泡沫直接溢出锅盖本体11，而且由于防溢检测装置300的下端不高于内盖200的下表面，可以进一步保证防溢检测装置300检测的及时性，避免检测发生滞后而导致液体溢出。
有利地，如图1和图2所示，内盖200上设有检测装置过孔210，防溢检测装置300的至少一部分配合在检测装置过孔210内。这样可以老鹰检测装置过孔210避让防溢检测装置300，便于防溢检测装置300的设置，以保证防溢检测装置300的下端不低于内盖200的下表面。
在本发明的一个具体实施例中，防溢检测装置300的上端设在外盖100上且下端穿过检测装置过孔210。这样可以使防溢检测装置300的下端进一步伸出检测装置过孔210，使防溢检测装置300的下端更加深入烹饪器具的锅具内，使检测面3200更加接近锅具内的液面，进一步提高检测的及时性。
在本发明的另一个具体实施例中，防溢检测装置300的上端设在外盖100上且下端与内盖200的下表面平齐。这样可以在锅具内的液体到达内盖200的下表面时使防溢检测装置300产生检测信号，同样可以保证检测的及时性。
具体地，如图1所示，内盖200的下表面设有沿检测装置过孔210的周向延伸的下环台211，防溢检测装置300的下端不高于下环台211的下表面。这样可以便于检测装置过孔210的形成，而且可以保证防溢检测装置300低于下环台211的下表面，从而把奥正检测的及时性。
在本发明的一个具体实施例中，如图2所示，防溢检测装置300设在锅盖本体11在水平方向上的中心处。这样可以便于检测锅具内的中心处的液体是否有溢出的趋势，从而进一步便于保证检测的及时性。
在本发明的另一个具体实施例中，如图1所示，锅盖本体11在水平方向上的中心处设有出气口220，防溢检测装置300与出气口220间隔设置。这样可以便于出气口220的设 置，便于气体通过出气口220排出。
图3示出了根据本发明一个具体示例的烹饪器具1。如图3所示，锅盖组件10还包括电容检测芯片330。
具体地，防溢检测装置300包括导电体310和绝缘体320。绝缘体320至少包覆导电体310的下表面，绝缘体320至少下表面构成检测面3200，导电体310的电容值随检测面3200接触介质的变化而变化。电容检测芯片330与导电体310相连，电容检测芯片330通过检测导电体310的电容值变化量以生成检测信号。这样可以至少利用绝缘体320的下表面构成检测面3200，在烹饪器具内的液体接触检测面3200时，导电体310的电容值发生改变，电容检测芯片330检测到导电体310电容值的改变从而发出所述检测信号，从而实现对液体是否溢出进行检测，实现防溢检测的功能。
更为具体地，如图3所示，防溢检测装置300还包括主控芯片340。主控芯片340与电容检测芯片330进行通信以接收所述检测信号，并根据所述检测信号判断是否发生溢出现象。这样可以利用主控芯片340判断是否有液体溢出，从而便于控制烹饪器具的烹饪状态。
有利地，如图3所示，电容检测芯片330与导电体310之间连接有电阻350。电阻350用于对导电体200的电容值变化量信号进行滤波处理，从而可以起到抗干扰的作用。其中，电阻350的电阻值可优选为10Ω至10kΩ。
具体而言，内盖200可以可拆卸地设在外盖100上。
下面参考附图描述根据本发明另一个具体实施例的用于烹饪器具的防溢检测装置300。
如图4-图7所示，根据本发明实施例的用于烹饪器具的防溢检测装置300包括导电体310、绝缘体320和电容检测芯片330。
导电体310为螺旋状。绝缘体320至少包覆导电体310的侧表面和/或下表面(上下方向如图4-图7中的箭头A所示)，绝缘体320的侧表面和/下表面构成检测面3200，导电体310的电容值随检测面3200接触介质的变化而变化。电容检测芯片330与导电体310相连，电容检测芯片330通过检测导电体310的电容值变化量以生成检测信号。
根据本发明实施例的用于烹饪器具的防溢检测装置300，通过设置导电体310和绝缘体320，可以使导电体310的电容值随介质接触绝缘体320的变化而变化，以通过检测导电体310的电容值判断防溢检测装置300接触介质的变化情况，从而判断所述烹饪器具内的液体(如泡沫)是否有溢出的趋势，从而实现防溢检测的功能。
并且，通过利用电容感应原理，使防溢检测装置300采用电容式检测装置，不仅可以实现防溢检测功能，而且相比相关技术中采用电阻式检测方式，可以降低防溢检测装置300的成本，从而降低所述烹饪器具的成本，降低误判几率，提高防溢检测的准确性。
此外，通过将导电体310设为螺旋状，不仅可以降低导电体310的材料成本，而且可以使导电体310具有一定的弹性，使导电体310更加容易与绝缘体320紧密贴合，保证用于烹饪器具的防溢检测装置300的检测信号的一致性，进一步提高防溢检测装置300检测的准确性和可靠性。
因此，根据本发明实施例的用于烹饪器具的防溢检测装置300具有成本低、可靠性强等优点。
在本发明的一个具体实施例中，如图5所示，绝缘体320至少包覆导电体310的下表面且绝缘体320的下表面构成检测面3200。这样可以利用绝缘体320的下表面检测液面的高度，使检测面3200更加接近液面，从而使防溢检测更加及时可靠，便于及时停止所述烹饪器具的加热。
具体地，如图5所示，导电体310的下方设有检测片3100，检测片3100止抵在绝缘体320上。这样可以使导电体310通过检测片3100与绝缘体320接触，保证与绝缘体320的接触面积，从而进一步提高检测的可靠性和准确性。
更为具体地，检测片3100可以为导电材料制成的板片，与导电体310固定连接；也可以为导电体310的一端绕制压平而成，具体为绕制后的绕圈直径沿远离导电体的方向逐渐减小，通过止抵在绝缘体320上绕圈压片在一个平面内，提高检测的可靠性和准确性。
在本发明的另一个具体实施例中，如图6所示，绝缘体320至少包覆导电体310的侧表面且绝缘体320的侧表面构成检测面3200。这样可以利用绝缘体320的侧表面检测液面的高度，使检测面3200能够在竖直方向上具有一定的长度，从而便于防溢检测装置300检测液面的上升趋势，便于控制所述烹饪器具的加热效果。
具体地，如图6所示，导电体310的外侧面与绝缘体320的内侧面紧密贴合。这样可以使导电体310与绝缘体320的接触更加可靠，从而进一步保证检测的可靠性和准确性。
在本发明的再一个具体实施例中，如图7所示，导电体310包括第一导电部311和第二导电部312。第二导电部312设在第一导电部311上方且与第一导电部311为一体件，第二导电部312的直径大于第一导电部311的直径，绝缘体320至少包括包覆第一导电部311的下表面的第一绝缘壁321和包覆第二导电部312的下表面的第二绝缘壁322，检测面3200包括由第一绝缘壁321的下表面构成的第一检测面3210和由第二绝缘壁322的下表面构成的第二检测面3220，导电体310的电容值随第一检测面3210和第二检测面3220接触介质的变化而变化。通过设置第一导电部311和第二导电部312，并在绝缘体320上设置第一绝缘壁321和第二绝缘壁322，可以使防溢检测装置300具有第一检测面3210和第二检测面3220。这样在所述烹饪器具工作时，内部的液面上升，首先接触到第一检测面3210和第二检测面3220中位置较低的一个，使电容检测芯片330生成检测信号，控制所述烹饪 器具调整加热效果，例如降低加热温度，降低液面上升的速度。之后，若液面继续上升，接触到第一检测面3210和第二检测面3220中位置较高的一个，使电容检测芯片330的检测信号发生改变，进一步控制所述烹饪器具调整加热效果，例如停止加热，避免液面继续升高而溢出所述烹饪器具，实现防溢功能。由此可以在所述烹饪器具内的液面到达不同高度时控制所述烹饪器具切换至不同的烹饪状态，相比检测到液面升高直接停止加热的方式，不仅可以保证所述烹饪器具对食物的加热效果，使食物加热充分，保证所述烹饪器具的烹饪效果，而且可以在液面初次接触防溢检测装置300时降低液面升高的速度，从而避免液面直接溢出所述烹饪器具，提高防溢检测装置300的可靠性。
具体地，如图7所示，绝缘体320上设有第二凹槽以及设在所述第二凹槽的底壁上的第一凹槽，所述第二导电部的下表面止抵在所述第二凹槽的底壁上，所述第一导电部的下表面止抵在所述第一凹槽的底壁上。具体而言，绝缘体320还包括连接第一绝缘壁321和第二绝缘壁322的下周壁和围绕第二绝缘壁322且向上延伸的上周壁。这样可以实现利用第一绝缘壁321包覆第一导电部311，利用第二绝缘壁322包覆第二导电部312，实现第一检测面3210和第二检测面3220的构成，而且可以使第一绝缘壁321和第二绝缘壁322一体相连，提高绝缘体320的整体性和结构强度，简化防溢检测装置300的装配过程。
更为具体地，如图7所示，第一导电部311的下表面设有第一检测片3110且第二导电部312的下表面设有第二检测片3120。这样可以使第一导电部311能够通过第一检测片3110接触第一绝缘壁321，使第二导电部312能够通过第二检测片3120接触第二绝缘壁322，从而增大与第一绝缘壁321和第二绝缘壁322的接触面积，进一步便于检测介质的变化，进一步提高防溢检测装置300检测的准确性和可靠性。
有利地，第一检测片3110与第一导电部311为一体件，第二检测片3120与第二导电部312为一体件。这样可以进一步简化防溢检测装置300的装配过程，提高防溢检测装置300的生产效率。
更为有利地，如图7所示，第一导电部311为第一弹簧且第二导电部312为第二弹簧，第一检测片3110由所述第一弹簧的下端绕制压平而成，第二检测片3120由所述第二弹簧的下端绕制压平而成。这样可以便于第一检测片3110和第二检测片3120的形成，降低防溢检测装置300的制造难度和制造成本，提高第一导电部311与第一检测片3110的连接强度，提高第二导电部312与第二检测片3120的连接强度。
具体而言，如图4所示，防溢检测装置300还包括主控芯片340。主控芯片340与电容检测芯片330进行通信以接收所述检测信号，并根据所述检测信号判断是否发生溢出现象。这样可以利用主控芯片340判断是否有液体溢出，从而便于控制烹饪器具的烹饪状态。
电容检测芯片330与导电体310之间连接有电阻350。电阻350用于对导电体200的电 容值变化量信号进行滤波处理，从而可以起到抗干扰的作用。其中，电阻350的电阻值可优选为10Ω至10kΩ。
下面描述根据本发明实施例的烹饪器具1。根据本发明实施例的烹饪器具1包括锅体20和锅盖组件。
所述锅盖组件用于打开和关闭锅体20，所述锅盖组件为根据本发明上述实施例的锅盖组件10。
根据本发明实施例的烹饪器具1，通过利用根据本发明上述实施例的锅盖组件10，具有成本低、可靠性强等优点。
可选地，烹饪器具1为电饭煲或电压力锅。这样可以在电饭煲或电压力锅内实现电容式防溢检测功能，提高电饭煲或电压力锅的烹饪效果，降低电饭煲或电压力锅的成本。
根据本发明实施例的烹饪器具1的其他构成以及操作对于本领域普通技术人员而言都是已知的，这里不再详细描述。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或彼此可通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系，除非另有明确的限定。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (24)

  1. 一种锅盖组件，其特征在于，包括：
    锅盖本体；
    防溢检测装置，所述防溢检测装置为电容式检测装置且设在所述锅盖本体上，所述防溢检测装置至少下表面构成检测面，所述防溢检测装置的电容值随所述检测面接触介质的变化而变化。
  2. 根据权利要求1所述的锅盖组件，其特征在于，所述防溢检测装置的下端不高于所述锅盖本体的内表面。
  3. 根据权利要求2所述的锅盖组件，其特征在于，所述锅盖本体包括：
    外盖；
    内盖，所述内盖设在所述外盖内侧，所述防溢检测装置设在所述外盖和所述内盖中的至少一个上且下端不高于所述内盖的下表面。
  4. 根据权利要求3所述的锅盖组件，其特征在于，所述内盖上设有检测装置过孔，所述防溢检测装置的至少一部分配合在所述检测装置过孔内。
  5. 根据权利要求4所述的锅盖组件，其特征在于，所述防溢检测装置的上端设在所述外盖上且下端穿过所述检测装置过孔。
  6. 根据权利要求4所述的锅盖组件，其特征在于，所述防溢检测装置的上端设在所述外盖上且下端与所述内盖的下表面平齐。
  7. 根据权利要求4所述的锅盖组件，其特征在于，所述内盖的下表面设有沿所述检测装置过孔的周向延伸的下环台，所述防溢检测装置的下端不高于所述下环台的下表面。
  8. 根据权利要求1所述的锅盖组件，其特征在于，所述防溢检测装置设在所述锅盖本体在水平方向上的中心处。
  9. 根据权利要求1所述的锅盖组件，其特征在于，所述锅盖本体在水平方向上的中心处设有出气口，所述防溢检测装置与所述出气口间隔设置。
  10. 根据权利要求1-9中任一项所述的锅盖组件，其特征在于，所述防溢检测装置包括：
    导电体；
    绝缘体，所述绝缘体至少包覆所述导电体的侧表面和/或下表面，所述绝缘体的侧表面和/或下表面构成检测面，所述导电体的电容值随所述检测面接触介质的变化而变化，
    电容检测芯片，所述电容检测芯片与所述导电体相连，所述电容检测芯片通过检测所述导电体的电容值变化量以生成检测信号。
  11. 根据权利要求10所述的锅盖组件，其特征在于，还包括：
    主控芯片，所述主控芯片与所述电容检测芯片进行通信以接收所述检测信号，并根据所述检测信号判断是否发生溢出现象。
  12. 根据权利要求10所述的锅盖组件，其特征在于，所述电容检测芯片与所述导电体之间连接有电阻。
  13. 根据权利要求10所述的锅盖组件，其特征在于，所述导电体为螺旋状。
  14. 根据权利要求13所述的锅盖组件，其特征在于，所述绝缘体至少包覆所述导电体的下表面且所述绝缘体的下表面构成检测面。
  15. 根据权利要求14所述的锅盖组件，其特征在于，所述导电体的下方设有检测片，所述检测片止抵在所述绝缘体上。
  16. 根据权利要求13所述的锅盖组件，其特征在于，所述绝缘体至少包覆所述导电体的侧表面且所述绝缘体的侧表面构成检测面。
  17. 根据权利要求16所述的锅盖组件，其特征在于，所述导电体的外侧面与所述绝缘体的内侧面紧密贴合。
  18. 根据权利要求13所述的锅盖组件，其特征在于，所述导电体包括：
    第一导电部；
    第二导电部，所述第二导电部设在所述第一导电部上方且与所述第一导电部为一体件，所述第二导电部的直径大于所述第一导电部的直径，所述绝缘体至少包括包覆所述第一导电部的下表面的第一绝缘壁和包覆所述第二导电部的下表面的第二绝缘壁，所述检测面包括由所述第一绝缘壁的下表面构成的第一检测面和由所述第二绝缘壁的下表面构成第二检测面，所述导电体的电容值随所述第一检测面和所述第二检测面接触介质的变化而变化。
  19. 根据权利要求18所述的锅盖组件，其特征在于，所述绝缘体上设有第二凹槽以及设在所述第二凹槽的底壁上的第一凹槽，所述第二导电部的下表面止抵在所述第二凹槽的底壁上，所述第一导电部的下表面止抵在所述第一凹槽的底壁上。
  20. 根据权利要求18所述的锅盖组件，其特征在于，所述第一导电部的下表面设有第一检测片且所述第二导电部的下表面设有第二检测片。
  21. 根据权利要求20所述的锅盖组件，其特征在于，所述第一检测片与所述第一导电部为一体件，所述第二检测片与所述第二导电部为一体件。
  22. 根据权利要求21所述的锅盖组件，其特征在于，所述第一导电部为第一弹簧且所述第二导电部为第二弹簧，所述第一检测片由所述第一弹簧的下端绕制压平而成，所述第二检测片由所述第二弹簧的下端绕制压平而成。
  23. 一种烹饪器具，其特征在于，包括：
    锅体；
    用于打开和关闭所述锅体的锅盖组件，所述锅盖组件为根据权利要求1-22中任一项所述的锅盖组件。
  24. 根据权利要求23所述的烹饪器具，其特征在于，所述烹饪器具为电饭煲或电压力锅。
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