WO2018157408A1 - 用于烹饪器具的盖体及具有其的烹饪器具 - Google Patents

用于烹饪器具的盖体及具有其的烹饪器具 Download PDF

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Publication number
WO2018157408A1
WO2018157408A1 PCT/CN2017/075787 CN2017075787W WO2018157408A1 WO 2018157408 A1 WO2018157408 A1 WO 2018157408A1 CN 2017075787 W CN2017075787 W CN 2017075787W WO 2018157408 A1 WO2018157408 A1 WO 2018157408A1
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WO
WIPO (PCT)
Prior art keywords
valve
cover
cooking appliance
seal
drive
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Ceased
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PCT/CN2017/075787
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English (en)
French (fr)
Inventor
刘化勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Application filed by Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd filed Critical Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
Publication of WO2018157408A1 publication Critical patent/WO2018157408A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • 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
    • A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
    • A47J27/09—Safety devices
    • A47J27/092—Devices for automatically releasing pressure before opening
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils

Definitions

  • the present invention relates to the field of household appliances, and in particular to a cover for a cooking appliance and a cooking appliance therewith.
  • the pressure valve scheme in the related art has problems such as poor feasibility, low accuracy, complicated structure, unreliability, and high cost.
  • the present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, it is an object of the present invention to provide a cover for a cooking appliance which is simple in structure, high in reliability and low in cost.
  • Another object of the present invention is to provide a cooking appliance having the above-described lid for a cooking appliance.
  • a cover for a cooking appliance comprising: a cover plate formed with a steam hole for communicating a cooking space of the cooking appliance for discharging steam; a valve seat, a valve seat is located on the upper surface of the cover plate, a lower end of the valve seat communicates with the steam hole and closes a circumference of the steam hole, and a valve hole is formed on a sidewall of the upper end of the valve seat;
  • the switching valve is opposite to the valve seat for closing and opening the valve hole, the switching valve includes: a sealing member movable between a position at which the valve hole is closed and opened; a driving member, The drive member is coupled to the seal to drive the seal to move between a position to close and open the valve bore.
  • a cover for a cooking appliance is coupled to a seal through which a seal can be driven to move between a position to close the valve bore and a position to open the valve bore.
  • This can change the pressure in the cooking space, improve the cooking effect and flatness of the food.
  • the driving member can control the pressure in the cooking space by magnetic force, spring force or the like, instead of the self-weight of the small ball in the related art, which is advantageous for improving the accuracy of the control.
  • cover for a cooking appliance has the following additional technical features:
  • the driving member includes: an iron core and an electromagnetic driving portion for driving the movement of the iron core, the sealing member is disposed on the iron core; the electromagnetic driving portion and the electromagnetic driving portion The iron core is connected.
  • the driving member further includes a return spring, wherein the return spring is respectively connected to the electromagnetic driving portion and the iron core, wherein the return spring is configured to drive the sealing member to close the valve hole,
  • the electromagnetic drive portion is configured to drive the seal to open the valve hole when energized; or the return spring is configured to drive the seal to open
  • the valve hole is configured to drive the seal to close the valve hole when energized.
  • the end of the iron core is provided with a hook portion, and the sealing member covers the hook portion.
  • the seal has a predetermined amount of compression S when the seal closes the valve hole, and the predetermined amount of compression S of the seal is not less than 0.1 mm.
  • the seal is spaced apart from the valve bore by a predetermined distance L when the seal opens the valve bore.
  • the predetermined distance L is not less than 3 mm.
  • valve seat extends in an up and down direction, and the sealing member and the driving member are both disposed outside the valve seat.
  • the cover further includes: a detecting device disposed on the cover plate for detecting a temperature and/or a pressure of a cooking space of the cooking appliance, the detecting device Signal transmission with the drive member.
  • a cooking appliance comprising: a pot body having a top portion of the pot body open; a lid body openably covering the top of the pot body, the lid body being The above-mentioned cover for a cooking appliance; a heating device provided on the pot for heating the material in the pot.
  • FIG. 1 is a schematic partial structural view of a cooking appliance according to an embodiment of the present invention.
  • Figure 2 is a partial enlarged view of the circled portion of Figure 1 in a state
  • Figure 3 is a partial enlarged view of the circled portion of Figure 1 in another state
  • FIG. 4 is a partial structural schematic view of a cooking appliance in the related art
  • Figure 5 is a partial enlarged view of the circled portion of Figure 4.
  • Sealing member 2 driving member 3, iron core 31, hook portion 311, electromagnetic driving portion 32, return spring 33,
  • the pressure valve scheme for changing the pressure in the pot the pressure valve must contain a small ball, and the valve hole is blocked by the small ball to perform the pressing. Since the small ball and the valve hole are rigid parts, the sealing failure and pressure are prone to occur. Inaccurate circumstances. At the same time, the pressure valve scheme in the related art also needs to push the small ball through the electromagnet, which is prone to problems such as improper pushing and jamming. And the switch of the pressure valve is realized according to or depending on the weight of the small ball to block the valve hole. When there is rice and other debris on the edge of the small ball and the valve hole, the problem of inaccurate determination may occur.
  • a cover 100 for a cooking appliance according to an embodiment of the present invention will be described in detail below with reference to FIGS. 1 through 3.
  • the cooking appliance may be a pressure cooker, a rice cooker or the like.
  • a cover 100 for a cooking appliance includes a cover plate 1, an on-off valve 6, and a valve seat 12.
  • the cover 1 is used to cover and open the pot of the cooking appliance, and the cover 1 is formed with a steam hole for communicating the cooking space of the cooking appliance for discharging steam. That is, the cover plate 1 may be formed with a steam hole (not shown), which may communicate with the cooking space of the cooking appliance, and the steam hole may be used to discharge steam in the cooking space, so that Advantages are provided for changing the pressure within the cooking space.
  • valve seat 12 in conjunction with FIG. 1, the valve seat 12 is located above the cover plate 1, and the lower end of the valve seat 12 (refer to the lower end of the valve seat 12 in FIG. 2) communicates with the steam hole and closes the steam hole.
  • the circumference is such that the sealing between the valve seat 12 and the cover 1 is ensured, and the valve hole 11 is formed in the side wall of the upper end of the valve seat 12 (refer to the upper end of the valve seat 12 in Fig. 2).
  • the steam generated by the cooking space can be introduced into the valve seat 12 via the steam hole, and further discharged through the valve hole 11 to release the pressure.
  • the lower end of the valve seat 12 is formed with an air inlet 121 for communicating a cooking space of the cooking appliance, and the air inlet 121 is opposed to the steam hole
  • the air inlet 121 can be used to communicate the cooking space of the cooking appliance, and the valve hole 11 is formed on the valve seat 12, and the air inlet 121 of the valve seat 12 forms an angle with the valve hole 11 at a predetermined angle.
  • steam in the cooking space can be made to enter the valve seat 12 through the air inlet 121 through the steam hole, and then discharged through the valve hole 11 to release pressure.
  • the intake port 121 of the valve seat 12 is at an angle of a predetermined angle with the valve hole 11 (for example, 0° to 180°). This is equivalent to extending the movement path of steam in the valve seat 12 to a certain extent, so that the process of pressure relief is more moderate, the pressure relief shock is reduced, and the safety of use of the cooking appliance is improved.
  • the angle between the air inlet 121 of the valve seat 12 and the predetermined angle of the valve hole 11 may be 30°, 45°, 60°, 90°, 120°, 135°, 160° or 180°, etc.
  • the angle between the inlet port 121 of the valve seat 12 and the predetermined angle of the valve hole 11 can be adaptively set according to actual needs.
  • the switching valve 6 is opposed to the valve seat 12 for closing and opening the valve hole 11.
  • the switching valve 6 and the valve seat 12 may be opposed in the left-right direction, and by controlling the position of the switching valve 6 relative to the valve seat 12, the valve hole 11 may be opened or Closed to achieve corresponding control of the cooking appliance.
  • the on-off valve 6 may include a seal 2 and a drive member 3.
  • the seal 2 is movable between a position where the valve hole 11 is closed and a position at which the valve hole 11 is opened.
  • the sealing member 2 can be a sealing rubber head or the like. The opening or closing of the valve hole 11 can be better achieved by the sealing member 2, thereby facilitating the smooth progress of the pressure holding process and the pressure releasing process of the cooking appliance, and ensuring the normal use of the cooking appliance.
  • the sealing member 2 is in a position to open the valve hole 11, and the valve hole 11 is in an open state; in Fig. 3, the sealing member 2 is in a position to close the valve hole 11, and the valve hole 11 is in a closed state.
  • the drive member 3 is coupled to the seal 2 to drive the seal 2 to move between a position to close the valve bore 11 and open the valve bore 11.
  • the drive member 3 is connected to the seal member 2 such that the drive member 3 can be driven to move between the position at which the valve bore 11 is closed and the position at which the valve bore 11 is opened.
  • the valve hole 11 may be in a closed state or an open state.
  • the driving member 3 may be a non-gravity pressure valve, the driving member 3 may extend in a horizontal direction, and the driving member 3 may control the pressure in the cooking space by a magnetic force (for example, an electromagnet, a magnetic coil or magnet generated by energization), a spring force, or the like. , rather than the self-weight of parts such as small balls in the related art. In this way, the closing and opening of the valve member 11 by the driving member 3 can be performed without relying on the gravity of the component, thereby facilitating the improvement of the accuracy of the control.
  • a magnetic force for example, an electromagnet, a magnetic coil or magnet generated by energization
  • a spring force or the like.
  • the cover plate 1 may be annular
  • the driving member 3 may extend along the radial direction of the cover plate 1 toward the valve hole 11, and the driving member 3 is connected to the sealing member 2 such that the sealing member 2 is passed through It is possible to move between the position where the valve hole 11 is closed and the position at which the valve hole 11 is opened, so that the pressure in the cooking space can be changed, and by changing the pressure in the cooking space, the rice effect and the flatness can be improved.
  • the driving member 3 is connected to the sealing member 2, and the driving member 3 can drive the sealing member 2 to move between a position at which the valve hole 11 is closed and a position at which the valve opening 11 is opened. .
  • This can change the pressure in the cooking space, improve the cooking effect and flatness of the food.
  • the driving member 3 can control the pressure in the cooking space by magnetic force, spring force, or the like, instead of the self-weight of the small ball in the related art, which is advantageous for improving the accuracy of the control.
  • the driving member 3 includes an iron core 31, an electromagnetic driving portion 32, and a return spring 33, according to some embodiments of the present invention.
  • the driving member 3 may be an electromagnet or the like.
  • the drive member 3 can also be other components or mechanisms having a movable function.
  • the sealing member 2 is mounted on the iron core 31 such that the sealing member 2 can move with the movement of the iron core 31.
  • the sealing member 2 is provided on the iron core 31, the iron core 31 may extend toward the valve hole 11, and the sealing member 2 may be provided at an end of the iron core 31 adjacent to the valve hole 11.
  • the sealing member 2 may be provided at the right end portion of the iron core 31 in FIG.
  • the seal 2 can be opposed to the valve bore 11, which facilitates closing the valve bore 11 or opening the valve bore 11 through the seal 2, thereby enabling adjustment of the pressure within the cooking space.
  • the electromagnetic driving portion 32 is connected to the iron core 31 to drive the sealing member 2 to open the valve hole 11. That is, the electromagnetic driving portion 32 is connected to the iron core 31, so that the valve member 11 can be opened by the electromagnetic driving portion 32 to drive the sealing member 2 to be released.
  • the electromagnetic driving portion 32 can drive the sealing member 2 to open the valve hole 11 to release the pressure.
  • the return springs 33 are connected to the electromagnetic drive portion 32 and the iron core 31, respectively.
  • the return spring 33 may be configured to drive the seal 2 to close the valve bore 11 and the electromagnetic drive 32 is configured to drive the seal 2 to open the valve bore 11 when energized. Therefore, when energized, the electromagnetic driving portion 32 can drive the sealing member 2 to open the valve hole 11 to perform pressure relief; when the power is turned off, the sealing member 2 can be driven by the return spring 33 to close the valve hole 11 Holding and cooking foods is beneficial to improve the reliability of use of the cooking utensils.
  • the return spring 33 may be configured to drive the seal 2 to open the valve hole 11, and the electromagnetic drive portion 32 may be configured to drive the seal 2 to close the valve hole 11 when energized. Therefore, when the power is on, the electromagnetic driving portion 32 can drive the sealing member 2 to close the valve hole 11 to hold the pressure and cook the food; when the power is turned off, the sealing member 2 can be driven by the return spring 33 to open the valve hole. 11 opening for pressure relief is beneficial to improve the reliability of use of the cooking appliance.
  • the end of the core 31 is provided with a hook portion 311, and the sealing member 2 covers the hook portion 311. That is, the hook portion 311 of the iron core 31 is connected to the sealing member 2 and embedded in the sealing member 2. In this way, a reliable connection between the sealing member 2 and the iron core 31 can be realized, and the movement of the sealing member 2 can be driven by the action of the iron core 31 to realize the closing or opening of the valve hole 11.
  • the sealing member 2 when the sealing member 2 closes the valve hole 11, the sealing member 2 has a predetermined amount of compression S (refer to the distance S in FIG. 3), and the predetermined compression of the sealing member 2
  • the amount S is not less than 0.1 mm. Therefore, it is advantageous to ensure the sealing reliability of the sealing member 2 to close the valve hole 11, to better maintain the pressure, and to improve the mouthfeel of the food.
  • the sealing member 2 when the sealing member 2 opens the valve hole 11, the sealing member 2 is spaced apart from the valve hole 11 by a predetermined distance L (refer to the distance L in FIG. 2). Further, the predetermined distance L is not less than 3 mm. In this way, the valve hole 11 can be opened, which is advantageous for ensuring the smoothness of the valve hole 11 and the pressure relief speed.
  • the driving member 3 is connected to the sealing member 2 such that the driving member 3 can drive the position of the sealing member 2 between the position of closing the valve hole 11 and the position at which the valve opening 11 is opened. activity. This ensures that the pressure within the cooking appliance can be varied to better cook the food.
  • the valve seat 12 can extend in the up and down direction, and the lower end of the valve seat 12 forms an air inlet. 121, a valve hole 11 is formed in a side wall of the upper end of the valve seat 12, and the sealing member 2 and the driving member 3 are both disposed outside the valve seat 12. In this way, the steam in the cooking space can be discharged into the valve seat 12 from the bottom to the top by the air inlet 121, and then discharged through the valve hole 11 on the side wall of the upper end of the valve seat 12 to be released. In this way, the process of pressure relief is made more moderate, which is beneficial to improve the safety of use of the cooking appliance.
  • the cover 100 further includes: a detecting device 4 disposed on the cover 1 for detecting the temperature and/or pressure of the cooking space of the cooking appliance, the detecting device 4 and Drive 3 signal transmission.
  • the detecting device 4 can be provided on the cover plate 1, and the detecting device 4 can be used to detect the temperature and/or pressure of the cooking space of the cooking appliance, and the detecting device 4 and the driving member 3 are signal-transmitted.
  • the detecting means 4 detects that the temperature and/or pressure in the cooking space reaches a predetermined value, the detecting means 4 transmits a signal to the driving member 3, causing the driving member 3 to drive the sealing member 2 to close or open the valve hole 11.
  • the detecting device 4 may be a temperature sensor, a pressure sensor, or a component that can simultaneously detect temperature and pressure.
  • the detection device 4 can be used to detect the temperature of the cooking space of the cooking appliance; the detection device 4 can also be used to detect the pressure of the cooking space of the cooking appliance; the detection device 4 can also be used to detect the temperature and pressure of the cooking space of the cooking appliance.
  • the action of the driving member 3 can be realized by precisely controlling the aforementioned distance L or the amount of compression S, unlike the related art in which an unstable scrollable sphere is used.
  • the action signal of the drive member 3 is derived from pressure and/or temperature signals within the cooking space.
  • the cover 100 may further include a control module 5 , the control module 5 is connected to the cover 1 , the control module 5 may be disposed inside or outside the cover 1 , and the control module 5 may be transmitted with the detection device 4 . This makes it possible to better control the opening or closing of the valve hole 11.
  • the detecting device 4 when the detecting device 4 detects that the temperature in the cooking space reaches a predetermined temperature, the detecting device 4 transmits a signal to the control module 5, and the control module 5 controls the driving member 3 to move toward the closed position of the closing valve hole 11.
  • the detecting device 4 detects that the pressure in the cooking space reaches a predetermined pressure, the detecting device 4 transmits a signal to the control module 5, and the control module 5 controls the driving member 3 to move toward the open position in which the valve hole 11 is opened.
  • the predetermined temperature may be in the range of 75 ° C to 98 ° C, for example, 75 ° C, 80 ° C, 85 ° C, 90 ° C, 95 ° C or 98 ° C, and the like.
  • the predetermined pressure may be in the range of 110 KPa to 205 KPa, for example, 110 KPa, 130 KPa, 150 KPa, 180 KPa, 200 KPa, or 205 KPa, or the like.
  • the predetermined temperature and the predetermined pressure may be adaptively set according to actual needs.
  • a cooking appliance 200 includes a pot body 210, a lid body, and a heating device 220.
  • the top of the pot body 210 is open, and the cover body is openably covered on the top of the pot body 210, and the cover body is The above described cover body 100 for a cooking appliance; the heating device 220 is disposed on the pot body 210, and the heating device 220 can be used to heat the material in the pot body 210.
  • the cover 100 for the cooking appliance of the first aspect of the above embodiment on the cooking appliance 200 the performance of the cooking appliance 200 can be improved, and the market competitiveness of the cooking appliance 200 can be improved.
  • the cooking appliance 200 includes a cover plate 1, a sealing member 2, a driving member 3, a detecting device 4, a control module 5, a pot body 210, and a heating device 220.
  • the driving member 3 includes an iron core 31, an electromagnetic driving portion 32, and a return spring 33.
  • a detection device 4 is provided on the cover plate 1, and the pressure and/or temperature in the pot body 210 can be detected, which is advantageous for further controlling the pressure change in the pot body 210.
  • an foodstuff such as rice water or the like is placed in the pot body 210, the power source is turned on, the heating device 220 is heated, and the water in the pot body 210 is boiled and vaporized.
  • the initial state of the driving member 3 is open, that is, the valve hole 11 is in an open state, and the pressure in the pot body 210 is the same as the external pressure.
  • the detecting device 4 detects the temperature in the pot body 210. .
  • the detecting device 4 When it is detected that the temperature in the pot body 210 rises to a certain value K1 (K1 can be in the range of 75 ° C to 98 ° C), the detecting device 4 outputs a signal to the control module 5, and the control module 5 controls the driving member 3 to operate, for example, an electromagnet.
  • K1 can be in the range of 75 ° C to 98 ° C
  • the control module 5 controls the driving member 3 to operate, for example, an electromagnet.
  • the iron core 31 and the sealing member 2 are pushed to move, and the valve hole 11 is sealed, so that the inside of the pot body 210 is not connected to the outside; the water in the pot body 210 continues to boil and vaporize, the pressure in the pot body 210 continues to rise, and the detecting device 4 detects the pot body. 210 pressure and / or temperature.
  • the output signal is sent to the control module 5, and the control module 5 controls the driving member 3 to move, pulling the iron core 31 and the sealing member 2 to move, and disengage
  • P1 can be in the range of 110KPa to 205KPa
  • the output signal is sent to the control module 5, and the control module 5 controls the driving member 3 to move, pulling the iron core 31 and the sealing member 2 to move, and disengage
  • the valve hole 11 opens the valve hole 11 , and the large pressure in the pot body 210 is released through the valve hole 11; during the pressure relief process, the detecting device 4 detects the pressure and/or temperature in the pot body 210 and is controlled by the control module 5
  • the pressure relief time (the pressure relief time can be set according to the actual needs), when the valve hole 11 is closed again, the output signal is sent to the control module 5, the control module 5 controls the driving member 3 to operate, the sealing member 2 closes the valve hole 11; The pressure rises again, so that the pressure is increased and the pressure is released repeatedly, and the variable pressure is achieved to improve the

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Abstract

一种用于烹饪器具的盖体及具有该盖体的烹饪器具，用于烹饪器具的盖体(100)包括：盖板(1)，形成有连通烹饪器具的烹饪空间用于排蒸汽的蒸汽孔；阀座(12)，位于盖板(1)的上面，阀座(12)的下端与蒸汽孔连通并封闭蒸汽孔的周沿，阀座上端的侧壁上形成有阀孔(11)；开关阀(6)，与阀座相对用于封闭和打开阀孔。该烹饪器具能够提升食物的烹煮效果及平整度。

Description

用于烹饪器具的盖体及具有其的烹饪器具 技术领域
本发明涉及家用电器技术领域，特别是涉及一种用于烹饪器具的盖体及具有其的烹饪器具。
背景技术
相关技术中，电饭煲煮饭时，通过改变锅内的压力，可以提升米饭效果及平整度。然而，相关技术中的压力阀方案存在可行性差、准确性低、结构复杂、不可靠、成本高等问题。
发明内容
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本发明的一个目的在于提出一种用于烹饪器具的盖体，所述用于烹饪器具的盖体的结构简单、可靠性高且成本低。
本发明的另一个目的在于提出一种烹饪器具，所述烹饪器具上设有上述用于烹饪器具的盖体。
根据本发明第一方面实施例的用于烹饪器具的盖体，包括：盖板，所述盖板形成有用于连通所述烹饪器具的烹饪空间用于排蒸汽的蒸汽孔；阀座，所述阀座位于所述盖板的上面，所述阀座的下端与所述蒸汽孔连通并封闭所述蒸汽孔的周沿，所述阀座上端的侧壁上形成有阀孔；开关阀，所述开关阀与所述阀座相对用于封闭和打开所述阀孔，所述开关阀包括：密封件，所述密封件在封闭和打开所述阀孔的位置之间可活动；驱动件，所述驱动件与所述密封件相连以驱动所述密封件在封闭和打开所述阀孔的位置之间活动。
根据本发明实施例的用于烹饪器具的盖体，驱动件与密封件相连，通过驱动件可以驱动密封件在封闭阀孔的位置和打开阀孔的位置之间活动。这样能够改变所述烹饪空间内的压力，提升食物的烹煮效果及平整度。另外，驱动件可以通过磁力、弹簧力等控制所述烹饪空间内的压力，而非相关技术中的小球的自重，有利于提高控制的准确度。
另外，根据本发明上述实施例的用于烹饪器具的盖体还具有如下附加的技术特征：
根据本发明的一些实施例，所述驱动件包括：铁芯和用于驱动所述铁芯移动的电磁驱动部，所述密封件设在所述铁芯上；所述电磁驱动部与所述铁芯相连。
进一步地，所述驱动件还包括复位弹簧，所述复位弹簧分别与所述电磁驱动部和所述铁芯相连，其中，所述复位弹簧被构造成驱动所述密封件封闭所述阀孔，所述电磁驱动部被构造成通电时驱动所述密封件打开所述阀孔；或所述复位弹簧被构造成驱动所述密封件打开所 述阀孔，所述电磁驱动部被构造成通电时驱动所述密封件封闭所述阀孔。
进一步地，所述铁芯的端部设有钩部，所述密封件包覆所述钩部。
根据本发明的一些实施例，在所述密封件封闭所述阀孔时所述密封件具有预定的压缩量S，且所述密封件的预定的压缩量S不小于0.1毫米。
根据本发明的一些实施例，在所述密封件打开所述阀孔时所述密封件与所述阀孔间隔开预定距离L。
进一步地，所述预定距离L不小于3毫米。
进一步地,所述阀座沿上下方向延伸，所述密封件和所述驱动件均设在所述阀座的外侧。
根据本发明的一些实施例，所述盖体还包括：检测装置，所述检测装置设在所述盖板上用于检测所述烹饪器具的烹饪空间的温度和/或压力，所述检测装置与所述驱动件信号传输。
根据本发明第二方面实施例的烹饪器具，包括：锅体，所述锅体的顶部敞开；盖体，所述盖体可打开地盖设在所述锅体的顶部，所述盖体为上述所述的用于烹饪器具的盖体；加热装置，所述加热装置设在所述锅体上用于对所述锅体内的物料进行加热。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本发明实施例的烹饪器具的一个部分结构示意图；
图2是图1中圈示部分在一个状态下的局部放大图；
图3是图1中圈示部分在另一个状态下的局部放大图；
图4是相关技术中的烹饪器具的部分结构示意图；
图5是图4中圈示部分的局部放大图。
附图标记：
用于烹饪器具的盖体100，
盖板1，阀孔11，阀座12，进气口121，
密封件2，驱动件3，铁芯31，钩部311，电磁驱动部32，复位弹簧33，
检测装置4，控制模块5，开关阀6，
烹饪器具200，
锅体210，加热装置220。
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。
相关技术中，改变锅内压力的压力阀方案，其压力阀必须包含有小球，依靠小球堵塞阀孔来进行起压，由于小球与阀孔均为刚性部件，容易出现密封不良、压力不准的情况。同时，相关技术中的压力阀方案还需要通过电磁铁来推动小球，容易出现推不正、卡死等问题。并且压力阀的开关是根据或依靠小球自重堵塞阀孔来实现的，在小球和阀孔边沿上有米饭等杂物时，就会出现判定不准确的问题。
下面结合图1至图3详细描述根据本发明实施例的用于烹饪器具的盖体100。所述烹饪器具可以为高压锅、电饭煲等。
根据本发明第一方面实施例的用于烹饪器具的盖体100，包括：盖板1、开关阀6以及阀座12。
具体而言，盖板1用于封盖和打开所述烹饪器具的锅体，盖板1形成有用于连通烹饪器具的烹饪空间用于排蒸汽的蒸汽孔。也就是说，盖板1上可以形成有蒸汽孔(未示出)，所述蒸汽孔可以连通烹饪器具的烹饪空间，并且所述蒸汽孔可以用于排出所述烹饪空间内的蒸汽，这样可以为改变所述烹饪空间内的压力提供有利条件。
参照图2和图3并结合图1，阀座12位于盖板1的上面，阀座12的下端(参照图2中阀座12的下端)与所述蒸汽孔连通并封闭所述蒸汽孔的周沿，这样可以保证阀座12与盖板1之间的密封性，阀座12上端(参照图2中阀座12的上端)的侧壁上形成有阀孔11。由此，使得由所述烹饪空间产生的蒸汽可以经由所述蒸汽孔进入阀座12内，再经由阀孔11进一步排出，进行泄压。
根据本发明的一些实施例，参照图2和图3并结合图1，阀座12的下端形成有用于连通烹饪器具的烹饪空间的进气口121，进气口121与所述蒸汽孔上下相对，进气口121可以用于连通烹饪器具的烹饪空间，阀孔11形成在阀座12上，阀座12的进气口121与阀孔11呈预定角度的夹角。由此，使得所述烹饪空间内的蒸汽可以由所述蒸汽孔经由进气口121进入阀座12内，再经由阀孔11排出进行泄压。
其中，由于阀座12的进气口121与阀孔11呈预定角度的夹角(例如0°至180°)。这样相当于在一定程度上延长了蒸汽在阀座12内的运动路径，使得泄压的过程更加缓和，减小泄压冲击，提高所述烹饪器具的使用安全性。
阀座12的进气口121与阀孔11所呈预定角度的夹角可以为30°、45°、60°、90°、 120°、135°、160°或180°等。阀座12的进气口121与阀孔11所呈预定角度的夹角可以根据实际需要适应性设置。
开关阀6与阀座12相对用于封闭和打开阀孔11。例如，在如图2所示的本发明的实施例中，开关阀6与阀座12可以在左右方向上相对，通过控制开关阀6相对于阀座12的位置，可以将阀孔11打开或封闭，从而实现对所述烹饪器具的相应控制。
参照图2和图3，开关阀6可以包括：密封件2和驱动件3。具体而言，密封件2在封闭阀孔11和打开阀孔11的位置之间可活动。其中，密封件2可以为密封胶头等。使得通过密封件2可以更好地实现阀孔11的打开或封闭，从而有利于保证所述烹饪器具的保压过程和泄压过程的顺利进行，确保所述烹饪器具的正常使用。
图2中密封件2处于打开阀孔11的位置，阀孔11处于打开状态；图3中密封件2处于封闭阀孔11的位置，阀孔11处于封闭状态。
驱动件3与密封件2相连以驱动密封件2在封闭阀孔11和打开阀孔11的位置之间活动。换言之，驱动件3与密封件2相连，这样可以通过驱动件3驱动密封件2在封闭阀孔11的位置和打开阀孔11的位置之间活动。保证泄压过程和保压过程的顺利进行，使所述烹饪器具能够在可变压力下进行烹煮，提升食物的口感。
其中，在初始位置，阀孔11可以处于封闭状态或打开状态。驱动件3可以为非重力压力阀，驱动件3可以沿水平方向延伸，驱动件3可以通过磁力(例如电磁铁、通电产生磁的线圈或磁铁)、弹簧力等控制所述烹饪空间内的压力，而非零部件例如相关技术中的小球等的自重。这样使得驱动件3对阀孔11的封闭和打开可以不依靠零部件的重力，从而有利于提高控制的准确度。
例如，在本发明的一个具体实施例中，盖板1可以呈环形，驱动件3可以沿盖板1的径向朝向阀孔11延伸，驱动件3与密封件2相连，使得通过密封件2可以在封闭阀孔11和打开阀孔11的位置之间活动，从而能够改变所述烹饪空间内的压力，通过改变所述烹饪空间内的压力，可以提升米饭效果及平整度。
根据本发明实施例的用于烹饪器具的盖体100，驱动件3与密封件2相连，通过驱动件3可以驱动密封件2在封闭阀孔11的位置和打开阀孔11的位置之间活动。这样能够改变所述烹饪空间内的压力，提升食物的烹煮效果及平整度。另外，驱动件3可以通过磁力、弹簧力等控制所述烹饪空间内的压力，而非相关技术中的小球的自重，有利于提高控制的准确度。
参照图2和图3，根据本发明的一些实施例，驱动件3包括：铁芯31、电磁驱动部32以及复位弹簧33。在本发明的一个具体实施例中，驱动件3可以为电磁铁等。当然，驱动件3也可以为具有可移动功能的其他部件或机构。
优选地，密封件2安装在铁芯31上，使得密封件2可以随铁芯31的移动而移动。
具体地，密封件2设在铁芯31上，铁芯31可以朝向阀孔11延伸，密封件2可以设在铁芯31的邻近阀孔11的端部。例如，密封件2可以设在图2中铁芯31的右端部。密封件2可以与阀孔11相对，这样便于通过密封件2封闭阀孔11或打开阀孔11，从而实现对所述烹饪空间内压力的调整。
电磁驱动部32与铁芯31相连以驱动密封件2打开阀孔11。也就是说，电磁驱动部32与铁芯31相连，这样可以通过电磁驱动部32驱动密封件2将阀孔11打开进行泄压。
例如，驱动件3通电时，通过电磁驱动部32可以驱动密封件2打开阀孔11，进行泄压。
复位弹簧33分别与电磁驱动部32和铁芯31相连。其中，在本发明的一些实施例中，复位弹簧33可以被构造成驱动密封件2封闭阀孔11，电磁驱动部32被构造成通电时驱动密封件2打开阀孔11。由此，使得在通电时，电磁驱动部32可以驱动密封件2打开阀孔11，进行泄压；在断电时，在复位弹簧33的作用下可以驱动密封件2将阀孔11封闭，进行保压，烹煮食物，有利于提高所述烹饪器具的使用可靠性。
本发明不限于此，在本发明的其他实施例中，复位弹簧33可以被构造成驱动密封件2打开阀孔11，电磁驱动部32可以被构造成通电时驱动密封件2封闭阀孔11。由此，使得在通电时，电磁驱动部32可以驱动密封件2封闭阀孔11，进行保压，烹煮食物；在断电时，在复位弹簧33的作用下可以驱动密封件2将阀孔11打开进行泄压，有利于提高所述烹饪器具的使用可靠性。
进一步地，结合图2和图3，铁芯31的端部设有钩部311，密封件2包覆钩部311。也就是说，铁芯31的钩部311与密封件2相连并内嵌于密封件2内。这样可以实现密封件2与铁芯31之间的可靠连接，便于通过铁芯31的动作带动密封件2运动，实现阀孔11的封闭或打开。
结合图3，根据本发明的一些具体实施例，在密封件2封闭阀孔11时，密封件2具有预定的压缩量S(参照图3中的距离S)，且密封件2的预定的压缩量S不小于0.1毫米。由此，有利于保证密封件2封闭阀孔11的密封可靠性，更好地进行保压，还有利于提升食物的口感。
结合图2，根据本发明的一些实施例，在密封件2打开阀孔11时，密封件2与阀孔11间隔开预定距离L(参照图2中的距离L)。进一步地，所述预定距离L不小于3毫米。这样可以将阀孔11打开，有利于保证阀孔11的通畅及泄压速度。
根据本发明实施例的用于烹饪器具的盖体100，驱动件3与密封件2相连，这样可以通过驱动件3驱动密封件2在封闭阀孔11的位置和打开阀孔11的位置之间活动。这样可以保证所述烹饪器具内的压力能够发生变化，更好地对食物进行烹煮。
进一步地,结合图1至图3，阀座12可以沿上下方向延伸，阀座12的下端形成进气口 121，阀座12上端的侧壁上形成阀孔11，密封件2和驱动件3均设在阀座12的外侧。这样使得所述烹饪空间内的蒸汽可以由进气口121从下至上的进入阀座12内，再经由阀座12上端的侧壁上的阀孔11排出进行泄压。如此，使得泄压的过程更加缓和，有利于提高所述烹饪器具的使用安全性。
参照图1，根据本发明的一些实施例，盖体100还包括：检测装置4，检测装置4设在盖板1上用于检测烹饪器具的烹饪空间的温度和/或压力，检测装置4与驱动件3信号传输。换句话说，检测装置4可以设在盖板1上，并且检测装置4可以用于检测烹饪器具的烹饪空间的温度和/或压力，检测装置4与驱动件3信号传输。使得当检测装置4检测到所述烹饪空间内的温度和/或压力达到预定值时，检测装置4与驱动件3信号传输，使所述驱动件3驱动密封件2封闭或打开阀孔11。
其中，检测装置4可以为温度传感器、压力传感器或可以同时检测温度和压力的元器件等。检测装置4可以用于检测烹饪器具的烹饪空间的温度；检测装置4也可以用于检测烹饪器具的烹饪空间的压力；检测装置4还可以用于检测烹饪器具的烹饪空间的温度和压力。
驱动件3的动作可以通过精确控制前述的距离L或压缩量S来实现，而非相关技术中采用不稳定可滚动的球体实现的。驱动件3的动作信号来自于所述烹饪空间内的压力和/或温度信号。
另外，结合图1，盖体100还可以包括控制模块5，控制模块5与盖板1相连，控制模块5可以设在盖板1的内部或外部，控制模块5可以与检测装置4信号传输，这样可以更好地控制阀孔11的打开或封闭。
具体地，当检测装置4检测到所述烹饪空间内的温度达到预定温度时，检测装置4与控制模块5信号传输，控制模块5控制驱动件3朝封闭阀孔11的封闭位置移动。当检测装置4检测到所述烹饪空间内的压力达到预定压力时，检测装置4与控制模块5信号传输，控制模块5控制驱动件3朝打开阀孔11的打开位置移动。
其中，所述预定温度可以在75℃至98℃的范围内，例如，75℃、80℃、85℃、90℃、95℃或98℃等。所述预定压力可以在110KPa至205KPa的范围内，例如，110KPa、130KPa、150KPa、180KPa、200KPa或205KPa等。所述预定温度和所述预定压力可以根据实际需要适应性设置。
参照图1，根据本发明第二方面实施例的烹饪器具200，包括：锅体210、盖体以及加热装置220。
具体地，锅体210的顶部敞开，所述盖体可打开地盖设在锅体210的顶部，所述盖体为 上述的用于烹饪器具的盖体100；加热装置220设在锅体210上，加热装置220可以用于对锅体210内的物料进行加热。由此，通过在烹饪器具200上设置上述第一方面实施例的用于烹饪器具的盖体100，可以提高烹饪器具200的使用性能，提高烹饪器具200的市场竞争力。
根据本发明实施例的烹饪器具200，包括盖板1、密封件2、驱动件3、检测装置4、控制模块5、锅体210以及加热装置220。驱动件3包括：铁芯31、电磁驱动部32以及复位弹簧33。在盖板1上设置有检测装置4，可以检测锅体210内的压力和/或温度，这样有利于进一步实现对锅体210内压力变化的控制。
下面结合图1至图3详细描述根据本发明实施例的烹饪器具200的工作过程。
具体而言，将食材例如米水等放入锅体210内，接通电源，加热装置220加热，锅体210内的水沸腾汽化。驱动件3的起始状态是打开的，也就是阀孔11处于打开状态，锅体210内同外部的压力一样，在锅体210升温及水汽化过程中，检测装置4检测锅体210内温度。当检测到锅体210内温度升到一定值K1(K1可以在75℃至98℃的范围内)时，检测装置4输出信号给控制模块5，控制模块5控制驱动件3例如电磁铁动作，推动铁芯31和密封件2移动，并密封阀孔11，使锅体210内同外部不连通；锅体210内的水持续沸腾汽化，锅体210内压力持续上升，检测装置4检测锅体210内压力和/或温度。当检测的值达到设定的压力P1(P1可以在110KPa至205KPa的范围内)时，输出信号给控制模块5，控制模块5控制驱动件3动作，拉动铁芯31和密封件2移动，脱离阀孔11，使阀孔11打开，锅体210内的大压力通过阀孔11进行泄压；泄压过程中，检测装置4检测锅体210内压力和/或温度，并通过控制模块5控制泄压时间(泄压时间可根据实际需要设置)，达到再次关闭阀孔11时，输出信号给控制模块5，控制模块5控制驱动件3动作，密封件2封闭阀孔11；锅体210内的压力再上升，如此升压、泄压反复，实现可变压力，提升食物的烹煮效果及平整度。至此完成根据本发明实施例的烹饪器具200的工作过程。
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 (10)

  1. 一种用于烹饪器具的盖体，其特征在于，包括：
    盖板，所述盖板形成有用于连通所述烹饪器具的烹饪空间用于排蒸汽的蒸汽孔；
    阀座，所述阀座位于所述盖板的上面，所述阀座的下端与所述蒸汽孔连通并封闭所述蒸汽孔的周沿，所述阀座上端的侧壁上形成有阀孔；
    开关阀，所述开关阀与所述阀座相对用于封闭和打开所述阀孔，所述开关阀包括：
    密封件，所述密封件在封闭和打开所述阀孔的位置之间可活动；
    驱动件，所述驱动件与所述密封件相连以驱动所述密封件在封闭和打开所述阀孔的位置之间活动。
  2. 根据权利要求1所述的用于烹饪器具的盖体，其特征在于，所述驱动件包括铁芯和用于驱动所述铁芯移动的电磁驱动部，所述密封件设在所述铁芯上，所述电磁驱动部与所述铁芯相连。
  3. 根据权利要求2所述的用于烹饪器具的盖体，其特征在于，所述驱动件还包括复位弹簧，所述复位弹簧分别与所述电磁驱动部和所述铁芯相连；
    其中，所述复位弹簧被构造成驱动所述密封件封闭所述阀孔，所述电磁驱动部被构造成通电时驱动所述密封件打开所述阀孔；或
    所述复位弹簧被构造成驱动所述密封件打开所述阀孔，所述电磁驱动部被构造成通电时驱动所述密封件封闭所述阀孔。
  4. 根据权利要求2所述的用于烹饪器具的盖体，其特征在于，所述铁芯的端部设有钩部，所述密封件包覆所述钩部。
  5. 根据权利要求1-4中任一项所述的用于烹饪器具的盖体，其特征在于，在所述密封件封闭所述阀孔时所述密封件具有预定的压缩量S，且所述密封件的预定的压缩量S不小于0.1毫米。
  6. 根据权利要求1-5中任一项所述的用于烹饪器具的盖体，其特征在于，在所述密封件打开所述阀孔时所述密封件与所述阀孔间隔开预定距离L。
  7. 根据权利要求6所述的用于烹饪器具的盖体，其特征在于，所述预定距离L不小于3毫米。
  8. 根据权利要求1-7中任一项所述的用于烹饪器具的盖体，其特征在于,所述阀座沿上下方向延伸，所述密封件和所述驱动件均设在所述阀座的外侧。
  9. 根据权利要求1-8中任一项所述的用于烹饪器具的盖体，其特征在于，所述盖体还包括：
    检测装置，所述检测装置设在所述盖板上用于检测所述烹饪器具的烹饪空间的温度和/或压力，所述检测装置与所述驱动件信号传输。
  10. 一种烹饪器具，其特征在于，包括：
    锅体，所述锅体的顶部敞开；
    盖体，所述盖体可打开地盖设在所述锅体的顶部，所述盖体为根据权利要求1-9中任一项所述的用于烹饪器具的盖体；
    加热装置，所述加热装置设在所述锅体上用于对所述锅体内的物料进行加热。
PCT/CN2017/075787 2017-03-01 2017-03-06 用于烹饪器具的盖体及具有其的烹饪器具 Ceased WO2018157408A1 (zh)

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