WO2020133624A1 - Glass heating kettle and heating control method therefor for boil-over prevention - Google Patents

Glass heating kettle and heating control method therefor for boil-over prevention Download PDF

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Publication number
WO2020133624A1
WO2020133624A1 PCT/CN2019/073299 CN2019073299W WO2020133624A1 WO 2020133624 A1 WO2020133624 A1 WO 2020133624A1 CN 2019073299 W CN2019073299 W CN 2019073299W WO 2020133624 A1 WO2020133624 A1 WO 2020133624A1
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WO
WIPO (PCT)
Prior art keywords
heating
glass
temperature
control circuit
heating plate
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PCT/CN2019/073299
Other languages
French (fr)
Chinese (zh)
Inventor
李一峰
李月春
张帅
蒙振诗
Original Assignee
小熊电器股份有限公司
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Publication of WO2020133624A1 publication Critical patent/WO2020133624A1/en

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Classifications

    • 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
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A47J27/21041—Water-boiling vessels, e.g. kettles electrically heated with heating elements arranged outside the water vessel
    • 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
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A47J27/21158—Devices to detect overheating or boiling with a single control element or unit
    • 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
    • A47J27/62—Preventing boiling over, e.g. of milk by devices for automatically controlling the heat supply by switching off heaters or for automatically lifting the cooking-vessels

Definitions

  • the invention relates to household appliances, in particular to a glass heating pot and its anti-overflow heating control method.
  • Existing heating pots are generally provided with an anti-overflow structure to ensure that the water or food in the heating pot is heated to a certain temperature and will not overflow when boiling, and an anti-dry burning structure that prevents nothing in the heating pot from drying. To improve the safety of the heating pot.
  • the existing health pot usually uses two probes to detect the liquid level in the pot, one probe is arranged at the bottom of the pot body, and the other probe is arranged at the top of the pot body. Because the probe at the bottom of the pot needs to be in constant contact with the liquid surface, long-term work will cause the probe to oxidize and foul, which will affect the accuracy of the probe detection, which will lead to misjudgment of the controller and easy overflow. In addition, the bottom of the pot needs to use metal to heat the bottom, resulting in a complicated overall structure of the glass pot and a cumbersome hand, which is inconvenient for users to use.
  • the invention discloses a glass heating pot and an anti-overflow heating control method, which improves the anti-overflow ability of the glass heating pot during heating, and has a simple overall structure and is convenient to use.
  • a glass heating pot including a base 1 with a heating plate 11 on the upper side, a glass pot body 2 that can be placed on the heating plate 11 for heating, and a protruding piece 3 provided on the base 1
  • a temperature detection module 4 provided in the protruding member 3 for detecting the actual heating temperature in the glass jug body 2 and the base 1 is provided with a method for when the actual heating temperature in the glass jug body 2 is close to the preset heating target temperature At T0, a control circuit board that controls the heating plate 11 to reduce heating power to prevent water or food in the glass jug 2 from boiling and overflowing, and the temperature detection module 4 and the heating plate 11 are both electrically connected to the control circuit board.
  • the temperature detection module 4 includes an infrared temperature sensing probe 42 and a sampling circuit board 43 electrically connected to the infrared temperature sensing probe 42.
  • the output end of the sampling circuit board 43 is electrically connected to the control circuit board.
  • a copper sleeve 41 for enhancing infrared collection to improve temperature sensing accuracy is provided on the outside of the infrared temperature sensing probe 42, the copper sleeve 41 is provided with a lateral through hole 411 facing the glass pot body 2, and the infrared temperature sensing probe 42 It is disposed in the lateral through hole 411.
  • the infrared temperature sensing probe 42 is arranged to be aligned with the middle of the glass jug 2 or a position where the middle is lowered.
  • the protruding member 3 has a receiving cavity 31 communicating with the interior of the base 1 and an end cover 32 that can cover the receiving cavity 31.
  • the temperature detection module 4 is disposed in the receiving cavity 31.
  • the control circuit board includes a power circuit 51 connected to an external alternating current AC, a power regulator 55, and a main control for regulating the heating power of the heating plate 11 by the power regulator 55 according to the actual heating temperature in the glass jug 2 Circuit 52, the heating plate 11 is connected to the two output terminals of the power supply circuit 51 in series with the power regulator 55, the temperature detection module 4 is connected to the data port of the main control circuit 52, and one of the control ports of the main control circuit 52 is connected to the power regulation The control terminal of the device 55 is connected.
  • the main control circuit 52 includes a single chip microcomputer, the power regulator 55 is a thyristor, and the control terminal of the thyristor is connected to one of the control ports of the single chip microcomputer.
  • the control circuit board includes a thermostat 54 for controlling the main control circuit 52 to disconnect when the actual heating temperature in the glass jug 2 reaches a preset heating target temperature T0, the thermostat 54 and the heating plate 11 In series, the control end of the thermostat 54 is connected to one of the control ports of the main control circuit 52.
  • the invention discloses an anti-overflow heating control method for the glass heating pot.
  • the method includes the steps of: letting the heating plate 11 start heating the glass pot body 2 according to the rated power P0; when the actual heating temperature in the glass pot body 2 reaches T1 When the heating plate 11 reduces the heating power to P1; when the actual heating temperature in the glass jug 2 reaches T2, the heating plate 11 further reduces the heating power to P2; when the actual heating temperature in the glass jug 2 reaches T3, the heating The disc 11 is intermittently heated according to the heating power P3; wherein, 0 ⁇ T1 ⁇ T2 ⁇ T3 ⁇ T0, and P3 ⁇ P2 ⁇ P1 ⁇ P0.
  • the heating plate 11 is stopped to prevent dry burning.
  • the present invention has the following beneficial effects:
  • the invention senses the actual heating temperature in the glass jug through the temperature detection module, and when the actual heating temperature is close to the preset heating target temperature T0, the heating plate is controlled to reduce the heating power to prevent the water or food in the glass jug from boiling and overflowing. Overflow effect, and when the actual heating temperature in the glass pot body 2 reaches the preset heating target temperature T0, the heating plate is stopped to prevent dry burning, and the use reliability and safety of the glass heating pot are ensured.
  • the glass body is compact and easy to use. Because there is no need to set the heating plate and the glass pot body as a whole like a traditional health pot, nor does it need to set an induction heating bottom for induction heating like the bottom of the glass pot body using induction heating, and the glass pot body can be placed on the heating plate at will There is no positioning problem such as positioning or orientation, so that the structure of the glass jug body is simple and compact for the convenience of users.
  • FIG. 1 is a three-dimensional exploded schematic view of a glass heating kettle.
  • FIG. 2 is a schematic diagram of the exploded structure of the temperature detection module.
  • Fig. 3 is a three-dimensional schematic diagram of a glass heating kettle.
  • Fig. 4 is a circuit block diagram of the control circuit board.
  • the present invention discloses a glass heating pot, including a base 1 with a heating plate 11 on the upper side, a glass pot body 2 that can be placed on the heating plate 11 for heating, and a glass pot 2 provided on the base 1
  • the protruding member 3 and the temperature detection module 4 provided in the protruding member 3 for detecting the actual heating temperature in the glass jug body 2, and the base 1 is provided with a detection result according to the temperature detection module 4 (ie the glass jug body The actual heating temperature in 2)
  • the control circuit board that controls the working state of the heating plate 11, the heating power of the heating plate 11 is controlled by the control circuit board to prevent the glass pot 2 from boiling violently during the heating process, causing water or food to overflow and preventing the
  • the glass jug body 2 is dry-burned to avoid the glass jug body 2 being dry-fired and burst.
  • the protruding piece 3 is located on one side of the heating plate 11.
  • the protruding member 3 has an accommodating cavity 31 communicating with the interior of the base 1 and an end cover 32 that can close the accommodating cavity 31.
  • the temperature detection module 4 is disposed in the accommodating cavity 31, and the temperature detection module 4 is connected to the base 1 through wires
  • the control circuit board is electrically connected. Therefore, the wire connected to the temperature detection module 4 directly extends from the accommodating cavity 31 into the base 1 without routing from the protruding member 3, so that the overall shape of the glass heating pot is simple and beautiful.
  • the temperature detection module 4 includes an infrared temperature sensing probe 42 and a sampling circuit board 43 electrically connected to the infrared temperature sensing probe 42.
  • the infrared temperature sensing probe 42 senses and detects the real-time heating temperature of the glass body 2, and the sampling circuit board 43 The real-time heating temperature data of the glass jug 2 is obtained by sampling the output result of the infrared temperature sensing probe 42.
  • a copper sleeve 41 for enhancing infrared collection to improve the accuracy of temperature sensing is sleeved on the outside of the infrared temperature sensing probe 42.
  • the copper sleeve 41 is provided with a lateral through hole 411 facing the glass pot body 2, and the infrared temperature sensing probe 42 It is disposed in the lateral through hole 411. Therefore, when heated, the glass body 2 emits infrared rays. The infrared rays are radiated on the infrared temperature sensing probe 42 through the lateral through hole 411 of the copper sleeve 41, and the infrared temperature sensing probe 42 converts the collected infrared signals into electrical signals for transmission. To the sampling circuit board 43, after the signal is amplified and sampled by the sampling circuit board 43, the real-time heating temperature of the glass jug 2 is obtained.
  • the present invention sets the infrared temperature sensing probe 42 to be aligned with the middle of the glass jug body 2 or a position where the middle is lowered.
  • the infrared temperature sensing probe 42 senses the temperature of the outer surface of the glass jug 2
  • the temperature of the outer surface of the glass jug 2 and the actual heating temperature of the food or water in the glass jug 2 have a certain gap, and there is a certain difference between the two
  • the scale factor or difference can be determined after the test.
  • the detection result of the temperature detection module 4 in the present invention refers to the food or the food in the glass jug 2 obtained by converting the temperature of the outer surface of the middle or lower part of the glass jug 2 after a predetermined scaling factor or difference conversion. The actual heating temperature of the water.
  • the control circuit board includes: a power supply circuit 51 connected to an external alternating current AC, the heating plate 11 is connected in series with a power regulator 55, and is connected to two output ends of the power supply circuit 51; it is connected to the output end of the power supply circuit 51
  • the main control circuit 52 (for example, the main control circuit 52 is a single chip microcomputer and its peripheral circuits), and the sampling circuit board 43 is connected to the data port of the main control circuit 52 through a wire to transmit the heating temperature data of the glass jug 2 to the main control circuit 52
  • one of the control ports of the main control circuit 52 is connected to the control end of the power regulator 55 to generate a control signal for the power regulator 55 to change the power of the heating plate 11.
  • a thermostat 54 connected in series with the heating plate 11 can also be provided. The control end of the thermostat 54 is connected to one of the control ports of the main control circuit 52.
  • the main control circuit 52 is a single-chip microcomputer and its peripheral circuits, the single-chip microcomputer can use MCS-51 series single-chip microcomputer, the output end of the sampling circuit board 43 is connected to the P1.0 port of the single-chip microcomputer; the control end of the thermostat 54 and the single-chip microcomputer P1.
  • the main control circuit 52 judges that the heating temperature of the glass jug body 2 reaches the set temperature, it outputs a control signal to disconnect the thermostat 54 so that the heating plate 11 is disconnected from the power circuit 51 to avoid the heating plate 11
  • the power regulator 55 is a thyristor
  • the P2.1 port of the single-chip microcomputer is connected to the control end of the thyristor
  • the P2.2 port of the single-chip microcomputer can output control signals of different duty ratios to make the thyristor corresponding Different conduction times achieve the purpose of changing the heating power of the heating plate 11.
  • the present invention can adjust the heating power of the heating plate 11 through the power regulator 55 according to the actual heating temperature detected by the temperature detection module 4 in the glass jug body 2: if the water or food in the glass jug body 2 reaches boiling level Stop or indirect heating to make the pot boiling less drastically, to achieve the effect of preventing overflow; if no water is added to the glass pot body 2 or too little water, stop heating to achieve the effect of preventing dry burning.
  • the glass heating pot of the present invention achieves anti-overflow heating control by adjusting the heating power of the heating plate 11 according to the actual heating temperature in the glass pot body 2 during heating, as follows: the user selects the heating menu ( For example, after boiling water, cooking porridge, etc.), the main control circuit 52 obtains the heating target temperature T0 preset in the heating menu, and then, the main control circuit 52 outputs the first control signal to the power regulator 55 to make the heating plate 11 rated power P0 is heated, therefore, the actual heating temperature of the glass jug 2 will gradually rise; when the actual heating temperature in the glass jug 2 reaches T1, the main control circuit 52 outputs a second control signal to the power regulator 55 to make the heating plate 11 Reduce the heating power to P1; when the actual heating temperature in the glass jug 2 reaches T2, the main control circuit 52 outputs a third control signal to the power regulator 55 to make the heating plate 11 further reduce the heating power P2, therefore, P2 ⁇ P1 ⁇ P0; When the actual heating temperature
  • the heating plate 11 performs heating at full power (rated power) P0.
  • the temperature of the tray 11 is too high, the heating temperature in the glass jug 2 cannot be effectively controlled;
  • the main control circuit 52 starts a countdown timer with a duration
  • the main control circuit 52 when the actual heating temperature in the glass jug 2 reaches the preset heating target temperature T0, the main control circuit 52 generates a control signal that disconnects the thermostat 54, and the thermostat 54 disconnects to disconnect the heating plate 11 and The power supply circuit 51 thus stops the heat generation of the heat generating disc 11 to avoid dry burning.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Cookers (AREA)

Abstract

Disclosed are a glass heating kettle and a heating control method therefor for boil-over prevention. The glass heating kettle comprises: a base provided with a heating plate at an upper surface thereof; a glass kettle element which can be placed on the heating plate to be heated; a protruding member disposed at the base; and a temperature measurement module disposed in the protruding member and used to measure an actual heating temperature in the glass kettle element. A control circuit board is disposed in the base, and is used to control the heating plate to reduce heating power when the actual heating temperature in the glass kettle element is close to a preset target heating temperature T0 so as to prevent water or food in the glass kettle element from boiling over. Both of the temperature measurement module and the heating plate are electrically connected to the control circuit board. The invention improves boil-over prevention capability of glass heating kettles, and ensures use reliability and safety thereof. Moreover, the glass kettle element has a simple, compact structure, and is convenient for users to use.

Description

一种玻璃加热壶及其防溢加热控制方法Glass heating pot and its anti-overflow heating control method 技术领域Technical field
本发明涉及家用电器，尤其是涉及一种玻璃加热壶及其防溢加热控制方法。 The invention relates to household appliances, in particular to a glass heating pot and its anti-overflow heating control method.
背景技术Background technique
现有的加热壶一般设有防溢结构以确保在加热壶内水或食物加到一定温度出现沸腾时不会溢出的防溢结构以及防止加热壶内没有东西出现干烧的防干烧结构，以提高加热壶的使用安全。Existing heating pots are generally provided with an anti-overflow structure to ensure that the water or food in the heating pot is heated to a certain temperature and will not overflow when boiling, and an anti-dry burning structure that prevents nothing in the heating pot from drying. To improve the safety of the heating pot.
以采用玻璃壶身结构的养生壶为例。为了防溢出，现有养生壶常用两个探针对壶内液位进行检测，一探针设置于壶身底部，另一探针设置于壶身顶部。由于壶身底部探针需要一直与液面接触，长期工作会导致探针氧化结垢，影响探针检测的准确性，从而导致控制器的误判从而容易出现溢出现象。另外，壶底需要使用金属加热底部，从而导致玻璃壶整体结构复杂且手感笨重不便用户使用。Take the health pot with glass pot structure as an example. In order to prevent overflow, the existing health pot usually uses two probes to detect the liquid level in the pot, one probe is arranged at the bottom of the pot body, and the other probe is arranged at the top of the pot body. Because the probe at the bottom of the pot needs to be in constant contact with the liquid surface, long-term work will cause the probe to oxidize and foul, which will affect the accuracy of the probe detection, which will lead to misjudgment of the controller and easy overflow. In addition, the bottom of the pot needs to use metal to heat the bottom, resulting in a complicated overall structure of the glass pot and a cumbersome hand, which is inconvenient for users to use.
技术问题technical problem
本发明公开一种玻璃加热壶及其防溢加热控制方法，提高玻璃加热壶在加热时的防溢能力，整体结构简单并方便使用。 The invention discloses a glass heating pot and an anti-overflow heating control method, which improves the anti-overflow ability of the glass heating pot during heating, and has a simple overall structure and is convenient to use.
技术解决方案Technical solution
本发明采用如下技术方案实现：一种玻璃加热壶，包括上侧面设有发热盘11的底座1、可放置在发热盘11上加热的玻璃壶体2、设置在底座1上的凸出件3以及设置在凸出件3内用于检测玻璃壶体2内的实际加热温度的温度检测模块4，且底座1内设有用于当玻璃壶体2内的实际加热温度靠近预设的加热目标温度T0时控制发热盘11降低加热功率以防止玻璃壶体2内的水或食物沸腾溢出的控制电路板，且温度检测模块4和发热盘11均电性连接控制电路板。The present invention is implemented using the following technical solution: a glass heating pot including a base 1 with a heating plate 11 on the upper side, a glass pot body 2 that can be placed on the heating plate 11 for heating, and a protruding piece 3 provided on the base 1 And a temperature detection module 4 provided in the protruding member 3 for detecting the actual heating temperature in the glass jug body 2 and the base 1 is provided with a method for when the actual heating temperature in the glass jug body 2 is close to the preset heating target temperature At T0, a control circuit board that controls the heating plate 11 to reduce heating power to prevent water or food in the glass jug 2 from boiling and overflowing, and the temperature detection module 4 and the heating plate 11 are both electrically connected to the control circuit board.
其中，温度检测模块4包括红外线温度感应探头42以及与红外线温度感应探头42电性相连的采样电路板43，该采样电路板43的输出端电性连接控制电路板。The temperature detection module 4 includes an infrared temperature sensing probe 42 and a sampling circuit board 43 electrically connected to the infrared temperature sensing probe 42. The output end of the sampling circuit board 43 is electrically connected to the control circuit board.
其中，在红外线温度感应探头42的外部套有用于加强红外线收集以提高温度感应准确性的铜套41，该铜套41设有对着玻璃壶体2的横向通孔411，红外线温度感应探头42设置在横向通孔411内。Among them, a copper sleeve 41 for enhancing infrared collection to improve temperature sensing accuracy is provided on the outside of the infrared temperature sensing probe 42, the copper sleeve 41 is provided with a lateral through hole 411 facing the glass pot body 2, and the infrared temperature sensing probe 42 It is disposed in the lateral through hole 411.
其中，红外线温度感应探头42设置为对准玻璃壶体2的中部或中部偏下的位置。Wherein, the infrared temperature sensing probe 42 is arranged to be aligned with the middle of the glass jug 2 or a position where the middle is lowered.
其中，凸出件3具有与底座1内部相连通的容纳腔31及可盖合容纳腔31的端盖32，温度检测模块4设置在容纳腔31中。The protruding member 3 has a receiving cavity 31 communicating with the interior of the base 1 and an end cover 32 that can cover the receiving cavity 31. The temperature detection module 4 is disposed in the receiving cavity 31.
其中，控制电路板包括与外部交流电AC相连的电源电路51、功率调节器55和用于根据玻璃壶体2内的实际加热温度通过功率调节器55对发热盘11的加热功率进行调节的主控电路52，发热盘11串接功率调节器55后连接在电源电路51的两个输出端，温度检测模块4与主控电路52的数据端口相连，主控电路52的其中一个控制端口与功率调节器55的控制端相连。The control circuit board includes a power circuit 51 connected to an external alternating current AC, a power regulator 55, and a main control for regulating the heating power of the heating plate 11 by the power regulator 55 according to the actual heating temperature in the glass jug 2 Circuit 52, the heating plate 11 is connected to the two output terminals of the power supply circuit 51 in series with the power regulator 55, the temperature detection module 4 is connected to the data port of the main control circuit 52, and one of the control ports of the main control circuit 52 is connected to the power regulation The control terminal of the device 55 is connected.
其中，主控电路52包括单片机，功率调节器55为可控硅，且可控硅的控制端与单片机的其中一个控制端口相连。The main control circuit 52 includes a single chip microcomputer, the power regulator 55 is a thyristor, and the control terminal of the thyristor is connected to one of the control ports of the single chip microcomputer.
其中，控制电路板包括用于当玻璃壶体2内的实际加热温度达到预设的加热目标温度T0时由主控电路52控制断开的温控器54，该温控器54与发热盘11串接，该温控器54的控制端与主控电路52的其中一个控制端口相连。The control circuit board includes a thermostat 54 for controlling the main control circuit 52 to disconnect when the actual heating temperature in the glass jug 2 reaches a preset heating target temperature T0, the thermostat 54 and the heating plate 11 In series, the control end of the thermostat 54 is connected to one of the control ports of the main control circuit 52.
本发明公开一种所述玻璃加热壶的防溢加热控制方法，该方法包括步骤：让发热盘11按额定功率P0对玻璃壶体2开始加热；当玻璃壶体2内的实际加热温度达到T1时使发热盘11降低加热功率至P1；当玻璃壶体2内的实际加热温度达到T2时使发热盘11进一步降低加热功率至P2；当玻璃壶体2内的实际加热温度达到T3时使发热盘11按加热功率P3进行间歇性加热；其中，0＜T1＜T2＜T3＜T0，P3≤P2＜P1＜P0。The invention discloses an anti-overflow heating control method for the glass heating pot. The method includes the steps of: letting the heating plate 11 start heating the glass pot body 2 according to the rated power P0; when the actual heating temperature in the glass pot body 2 reaches T1 When the heating plate 11 reduces the heating power to P1; when the actual heating temperature in the glass jug 2 reaches T2, the heating plate 11 further reduces the heating power to P2; when the actual heating temperature in the glass jug 2 reaches T3, the heating The disc 11 is intermittently heated according to the heating power P3; wherein, 0<T1<T2<T3<T0, and P3≤P2<P1<P0.
其中，当玻璃壶体2内的实际加热温度达到预设的加热目标温度T0时使发热盘11停止加热以防止干烧。Wherein, when the actual heating temperature in the glass jug body 2 reaches the preset heating target temperature T0, the heating plate 11 is stopped to prevent dry burning.
有益效果Beneficial effect
与现有技术相比，本发明具有如下有益效果：Compared with the prior art, the present invention has the following beneficial effects:
1. 提高了玻璃加热壶的防溢能力。本发明通过温度检测模块感测玻璃壶体内的实际加热温度，并于实际加热温度靠近预设的加热目标温度T0时，控制发热盘降低加热功率以防止玻璃壶体内的水或食物沸腾溢出达到防溢效果，并于玻璃壶体2内的实际加热温度达到预设的加热目标温度T0时使发热盘停止加热以防止干烧，确保玻璃加热壶的使用可靠性与安全性。1. Improve the anti-overflow ability of the glass heating pot. The invention senses the actual heating temperature in the glass jug through the temperature detection module, and when the actual heating temperature is close to the preset heating target temperature T0, the heating plate is controlled to reduce the heating power to prevent the water or food in the glass jug from boiling and overflowing. Overflow effect, and when the actual heating temperature in the glass pot body 2 reaches the preset heating target temperature T0, the heating plate is stopped to prevent dry burning, and the use reliability and safety of the glass heating pot are ensured.
2. 玻璃壶身结构小巧与便于使用。由于不需要类似传统养生壶将发热盘与玻璃壶体设置为一体，也不需要像采用感应加热的玻璃壶体底部设置感应发热的感应发热底部，且玻璃壶体可以随意放置于发热盘上而不存在定位或方向等放置问题，从而可以让玻璃壶体结构简单且小巧以方便用户使用。2. The glass body is compact and easy to use. Because there is no need to set the heating plate and the glass pot body as a whole like a traditional health pot, nor does it need to set an induction heating bottom for induction heating like the bottom of the glass pot body using induction heating, and the glass pot body can be placed on the heating plate at will There is no positioning problem such as positioning or orientation, so that the structure of the glass jug body is simple and compact for the convenience of users.
附图说明BRIEF DESCRIPTION
图1是玻璃加热壶的立体分解结构示意图。FIG. 1 is a three-dimensional exploded schematic view of a glass heating kettle.
图2是温度检测模块的分解结构示意图。2 is a schematic diagram of the exploded structure of the temperature detection module.
图3是玻璃加热壶的立体结构示意图。Fig. 3 is a three-dimensional schematic diagram of a glass heating kettle.
图4是控制电路板的电路原理框图。Fig. 4 is a circuit block diagram of the control circuit board.
本发明的实施方式Embodiments of the invention
为更进一步阐述本申请为达成预定目的所采取的技术手段及功效，以下结合附图及较佳实施例，对依据本申请的具体实施方式、结构、特征及其功效，详细说明如后。在下述说明中，不同的“一实施例”或“实施例”指的不一定是同一实施例。此外，一或多个实施例中的特定特征、结构、或特点可由任何合适形式组合。In order to further illustrate the technical means and effects adopted by the present application to achieve the intended purpose, the specific implementation, structure, features and functions according to the present application will be described in detail below with reference to the drawings and preferred embodiments. In the following description, different "one embodiment" or "embodiment" does not necessarily refer to the same embodiment. In addition, specific features, structures, or characteristics in one or more embodiments may be combined in any suitable form.
如图1-图3所示，本发明公开一种玻璃加热壶，包括上侧面设有发热盘11的底座1、可放置在发热盘11上加热的玻璃壶体2、设置在底座1上的凸出件3以及设置在凸出件3内用于检测玻璃壶体2内的实际加热温度的温度检测模块4，且底座1内设有用于根据温度检测模块4的检测结果（即玻璃壶体2内的实际加热温度）控制发热盘11工作状态的控制电路板，由控制电路板控制发热盘11的加热功率以防止玻璃壶体2在加热过程中出现剧烈沸腾导致水或食物溢出以及防止对玻璃壶体2产生干烧以避免出现玻璃壶体2干烧炸裂。As shown in FIGS. 1-3, the present invention discloses a glass heating pot, including a base 1 with a heating plate 11 on the upper side, a glass pot body 2 that can be placed on the heating plate 11 for heating, and a glass pot 2 provided on the base 1 The protruding member 3 and the temperature detection module 4 provided in the protruding member 3 for detecting the actual heating temperature in the glass jug body 2, and the base 1 is provided with a detection result according to the temperature detection module 4 (ie the glass jug body The actual heating temperature in 2) The control circuit board that controls the working state of the heating plate 11, the heating power of the heating plate 11 is controlled by the control circuit board to prevent the glass pot 2 from boiling violently during the heating process, causing water or food to overflow and preventing the The glass jug body 2 is dry-burned to avoid the glass jug body 2 being dry-fired and burst.
由于不需要类似传统养生壶将发热盘与玻璃壶体2设置为一体，也不需要像采用感应加热的玻璃壶体底部设置感应发热的感应发热底部，从而可以让玻璃壶体2结构简单且小巧以方便用户使用。Since there is no need to set the heating plate and the glass pot body 2 as a whole like a traditional health pot, and there is no need to provide an inductive heating bottom for induction heating like the bottom of the glass pot body using induction heating, so that the structure of the glass pot body 2 can be simple and compact To facilitate user use.
其中，凸出件3位于发热盘11的一侧面，当玻璃壶体2随意放置在发热盘11上时凸出件3都不会对玻璃壶体2产生干涉为宜，由于玻璃壶体2可以随意放置于发热盘11上而不存在定位或方向等放置问题，因此对使用者来说操作简便。凸出件3具有与底座1内部相连通的容纳腔31及可盖合容纳腔31的端盖32，温度检测模块4设置在容纳腔31中，而温度检测模块4通过导线与底座1内的控制电路板电性相连，因此，与温度检测模块4相连的导线直接从容纳腔31延伸至底座1内而不需要从凸出件3走线，让玻璃加热壶整体外形简单且美观。Among them, the protruding piece 3 is located on one side of the heating plate 11. When the glass jug 2 is placed on the heating plate 11 at random, the protruding piece 3 will not interfere with the glass jug 2. Since the glass jug 2 can It can be placed arbitrarily on the heating plate 11 without any positioning or orientation problems, so it is easy for the user to operate. The protruding member 3 has an accommodating cavity 31 communicating with the interior of the base 1 and an end cover 32 that can close the accommodating cavity 31. The temperature detection module 4 is disposed in the accommodating cavity 31, and the temperature detection module 4 is connected to the base 1 through wires The control circuit board is electrically connected. Therefore, the wire connected to the temperature detection module 4 directly extends from the accommodating cavity 31 into the base 1 without routing from the protruding member 3, so that the overall shape of the glass heating pot is simple and beautiful.
另外，温度检测模块4包括红外线温度感应探头42以及与红外线温度感应探头42电性相连的采样电路板43，由红外线温度感应探头42感应检测玻璃壶体2的实时加热温度，由采样电路板43通过采样红外线温度感应探头42的输出结果得到玻璃壶体2的实时加热温度数据。另外，在红外线温度感应探头42的外部套有用于加强红外线收集以提高温度感应准确性的铜套41，该铜套41设有对着玻璃壶体2的横向通孔411，红外线温度感应探头42设置在横向通孔411内。因此，在加热时玻璃壶体2会发射出红外线，红外线透过铜套41的横向通孔411辐射在红外线温度感应探头42上，红外线温度感应探头42将收集到的红外线信号转化成电信号传送至采样电路板43，经过采样电路板43对信号进行放大、采样处理后得到玻璃壶体2的实时加热温度。In addition, the temperature detection module 4 includes an infrared temperature sensing probe 42 and a sampling circuit board 43 electrically connected to the infrared temperature sensing probe 42. The infrared temperature sensing probe 42 senses and detects the real-time heating temperature of the glass body 2, and the sampling circuit board 43 The real-time heating temperature data of the glass jug 2 is obtained by sampling the output result of the infrared temperature sensing probe 42. In addition, a copper sleeve 41 for enhancing infrared collection to improve the accuracy of temperature sensing is sleeved on the outside of the infrared temperature sensing probe 42. The copper sleeve 41 is provided with a lateral through hole 411 facing the glass pot body 2, and the infrared temperature sensing probe 42 It is disposed in the lateral through hole 411. Therefore, when heated, the glass body 2 emits infrared rays. The infrared rays are radiated on the infrared temperature sensing probe 42 through the lateral through hole 411 of the copper sleeve 41, and the infrared temperature sensing probe 42 converts the collected infrared signals into electrical signals for transmission. To the sampling circuit board 43, after the signal is amplified and sampled by the sampling circuit board 43, the real-time heating temperature of the glass jug 2 is obtained.
再者，由于玻璃壶体2的壶底与发热盘11接触相连，因此玻璃壶体2的壶底温度会高于玻璃壶体2中上部分的温度；并且，由于发热盘11的温度很高，如果红外线温度感应探头42靠近发热盘11则发热盘会干扰红外线温度感应探头42使其无法准确感应玻璃壶体2内的实际加热温度。为此，本发明将红外线温度感应探头42设置为对准玻璃壶体2的中部或中部偏下的位置。由于红外线温度感应探头42是感应玻璃壶体2外表面的温度，玻璃壶体2外表面的温度和玻璃壶体2内食物或水的实际加热温度有着一定的差距，两者之间存在一定的比例系数或差数可由测试后确定。本发明所讲温度检测模块4的检测结果是指对感应玻璃壶体2的中部或中部偏下位置的外表面温度后经过预先确定的比例系数或差数换算得到的玻璃壶体2内食物或水的实际加热温度。Furthermore, since the bottom of the glass jug 2 is in contact with the heating plate 11, the bottom temperature of the glass jug 2 will be higher than the temperature of the upper part of the glass jug 2; and, because the temperature of the heating plate 11 is high If the infrared temperature sensing probe 42 is close to the heating plate 11, the heating plate will interfere with the infrared temperature sensing probe 42 so that it cannot accurately sense the actual heating temperature in the glass jug 2. For this reason, the present invention sets the infrared temperature sensing probe 42 to be aligned with the middle of the glass jug body 2 or a position where the middle is lowered. Since the infrared temperature sensing probe 42 senses the temperature of the outer surface of the glass jug 2, the temperature of the outer surface of the glass jug 2 and the actual heating temperature of the food or water in the glass jug 2 have a certain gap, and there is a certain difference between the two The scale factor or difference can be determined after the test. The detection result of the temperature detection module 4 in the present invention refers to the food or the food in the glass jug 2 obtained by converting the temperature of the outer surface of the middle or lower part of the glass jug 2 after a predetermined scaling factor or difference conversion. The actual heating temperature of the water.
结合图4所示，控制电路板包括：与外部交流电AC相连的电源电路51，发热盘11串接功率调节器55后连接在电源电路51的两个输出端；与电源电路51的输出端相连的主控电路52（比如主控电路52为单片机及其***电路），采样电路板43通过导线与主控电路52的数据端口相连以将玻璃壶体2的加热温度数据传送给主控电路52，且主控电路52的其中一个控制端口与功率调节器55的控制端相连以产生控制信号让功率调节器55改变发热盘11的功率。另外，还可以设置与发热盘11串接的温控器54，该温控器54的控制端与主控电路52的其中一个控制端口。4, the control circuit board includes: a power supply circuit 51 connected to an external alternating current AC, the heating plate 11 is connected in series with a power regulator 55, and is connected to two output ends of the power supply circuit 51; it is connected to the output end of the power supply circuit 51 The main control circuit 52 (for example, the main control circuit 52 is a single chip microcomputer and its peripheral circuits), and the sampling circuit board 43 is connected to the data port of the main control circuit 52 through a wire to transmit the heating temperature data of the glass jug 2 to the main control circuit 52 And one of the control ports of the main control circuit 52 is connected to the control end of the power regulator 55 to generate a control signal for the power regulator 55 to change the power of the heating plate 11. In addition, a thermostat 54 connected in series with the heating plate 11 can also be provided. The control end of the thermostat 54 is connected to one of the control ports of the main control circuit 52.
比如，主控电路52为单片机及其***电路，单片机可采用MCS-51 系列单片机，采样电路板43的输出端连接在单片机的P1.0端口；温控器54的控制端与单片机的P1.2端口相连，当主控电路52判断玻璃壶体2的加热温度达到设定温度时输出使温控器54断开的控制信号，从而让发热盘11断开与电源电路51相连，避免发热盘11继续发热；功率调节器55为可控硅，单片机的P2.1端口与可控硅的控制端相连，单片机的P2.2端口可以输出不同占空比的控制信号来使可控硅对应具有不同的导通时间达到改变发热盘11的发热功率的目的。For example, the main control circuit 52 is a single-chip microcomputer and its peripheral circuits, the single-chip microcomputer can use MCS-51 series single-chip microcomputer, the output end of the sampling circuit board 43 is connected to the P1.0 port of the single-chip microcomputer; the control end of the thermostat 54 and the single-chip microcomputer P1. 2 ports are connected, when the main control circuit 52 judges that the heating temperature of the glass jug body 2 reaches the set temperature, it outputs a control signal to disconnect the thermostat 54 so that the heating plate 11 is disconnected from the power circuit 51 to avoid the heating plate 11 Continue to heat; the power regulator 55 is a thyristor, the P2.1 port of the single-chip microcomputer is connected to the control end of the thyristor, and the P2.2 port of the single-chip microcomputer can output control signals of different duty ratios to make the thyristor corresponding Different conduction times achieve the purpose of changing the heating power of the heating plate 11.
因此，本发明可以根据温度检测模块4检测到玻璃壶体2内的实际加热温度通过功率调节器55对发热盘11的加热功率进行调节：如果玻璃壶体2内的水或食物在达到沸腾程度时停止或间接加热让壶内沸腾程度不那么剧烈，达到防溢出的效果；如果玻璃壶体2内没加水或者水过少停止加热以达到防干烧的效果。Therefore, the present invention can adjust the heating power of the heating plate 11 through the power regulator 55 according to the actual heating temperature detected by the temperature detection module 4 in the glass jug body 2: if the water or food in the glass jug body 2 reaches boiling level Stop or indirect heating to make the pot boiling less drastically, to achieve the effect of preventing overflow; if no water is added to the glass pot body 2 or too little water, stop heating to achieve the effect of preventing dry burning.
比如，一个典型实例中，本发明的玻璃加热壶在加热过程中根据玻璃壶体2内的实际加热温度通过调节发热盘11的发热功率来实现防溢加热控制，具体如下：用户选择加热菜单（比如烧水、熬粥等）后，主控电路52获取该加热菜单所预设的加热目标温度T0，然后，主控电路52输出第一控制信号给功率调节器55使发热盘11按额定功率P0进行加热，因此，玻璃壶体2的实际加热温度会逐步上升；当玻璃壶体2内的实际加热温度达到T1时，主控电路52输出第二控制信号给功率调节器55使发热盘11降低加热功率至P1；当玻璃壶体2内的实际加热温度达到T2时，主控电路52输出第三控制信号给功率调节器55使发热盘11进一步降低加热功率P2，因此，P2＜P1＜P0；当玻璃壶体2内的实际加热温度达到T3（0＜T1＜T2＜T3＜T0）时，主控电路52在预设时间段内输出第四控制信号给功率调节器55使发热盘11按加热功率P3（P3≤P2）进行间歇性加热。For example, in a typical example, the glass heating pot of the present invention achieves anti-overflow heating control by adjusting the heating power of the heating plate 11 according to the actual heating temperature in the glass pot body 2 during heating, as follows: the user selects the heating menu ( For example, after boiling water, cooking porridge, etc.), the main control circuit 52 obtains the heating target temperature T0 preset in the heating menu, and then, the main control circuit 52 outputs the first control signal to the power regulator 55 to make the heating plate 11 rated power P0 is heated, therefore, the actual heating temperature of the glass jug 2 will gradually rise; when the actual heating temperature in the glass jug 2 reaches T1, the main control circuit 52 outputs a second control signal to the power regulator 55 to make the heating plate 11 Reduce the heating power to P1; when the actual heating temperature in the glass jug 2 reaches T2, the main control circuit 52 outputs a third control signal to the power regulator 55 to make the heating plate 11 further reduce the heating power P2, therefore, P2<P1< P0; When the actual heating temperature in the glass jug 2 reaches T3 (0<T1<T2<T3<T0), the main control circuit 52 outputs a fourth control signal to the power regulator 55 to make the heating plate within a preset time period 11 Press the heating power P3 (P3≤P2) for intermittent heating.
假设额定功率P0时第一控制信号让功率调节器55在单位时间内导通时间是100%，因此，若P1=0.8P0时，只需要使第二控制信号让功率调节器55在单位时间内导通时间是80%即可。依次类推，不再一一举例。Assuming that the first control signal at the rated power P0 allows the power regulator 55 to conduct for 100% of the unit time, therefore, if P1=0.8P0, only the second control signal is required to allow the power regulator 55 to unit time The on-time can be 80%. By analogy, no more examples will be given.
比如，用户选择加热菜单是熬粥，加热目标温度T0=100℃。开始时，发热盘11进行全功率（额定功率）P0进行加热。当玻璃壶体2内的实际加热温度达到80-85℃（即T1为80-85℃）时，使发热盘11按额定功率P0的2/3加热（即P1=2/3P0）以防止发热盘11温度过高不能有效控制玻璃壶体2内的加热温度；当玻璃壶体2内的实际加热温度达到92-96℃（即T2为92-96℃）时，使发热盘11按额定功率P0的1/2加热（即P2=1/2P0）；当降低加热功率进行加热后，玻璃壶体2内的实际加热温度继续上升达到98-99℃（即T3为98-99℃）时，主控电路52启动一个时长20-30分钟的倒计时定时器，在定时时间内进入间歇性加热阶段，即额定功率减半（即P3=1/2P0）加热28秒，然后中断18秒，下一步再次循环上一个过程，如此反复，始终让玻璃壶体2内的水或食物保持文火加热防止过于沸腾溢出，实现防溢加热控制。For example, if the user selects the heating menu as porridge, the heating target temperature T0=100°C. At the beginning, the heating plate 11 performs heating at full power (rated power) P0. When the actual heating temperature in the glass jug 2 reaches 80-85°C (that is, T1 is 80-85°C), the heating plate 11 is heated at 2/3 of the rated power P0 (ie, P1=2/3P0) to prevent heat generation If the temperature of the tray 11 is too high, the heating temperature in the glass jug 2 cannot be effectively controlled; when the actual heating temperature in the glass jug 2 reaches 92-96°C (that is, T2 is 92-96°C), the heating plate 11 is set to the rated power 1/2 heating of P0 (that is, P2=1/2P0); when the heating power is reduced and the actual heating temperature in the glass body 2 continues to rise to 98-99°C (that is, T3 is 98-99°C), The main control circuit 52 starts a countdown timer with a duration of 20-30 minutes, enters the intermittent heating phase within the timing time, that is, the rated power is halved (ie P3=1/2P0) for 28 seconds, and then interrupted for 18 seconds, the next step Circulate the previous process again, so repeatedly, keep the water or food in the glass jug body 2 kept simmering and heating to prevent excessive boiling and overflow, and realize anti-overflow heating control.
当然，在玻璃壶体2内的实际加热温度达到预设的加热目标温度T0，主控电路52产生使温控器54断开的控制信号，温控器54断开使发热盘11断开与电源电路51从而发热盘11停止发热，从而避免发生干烧。Of course, when the actual heating temperature in the glass jug 2 reaches the preset heating target temperature T0, the main control circuit 52 generates a control signal that disconnects the thermostat 54, and the thermostat 54 disconnects to disconnect the heating plate 11 and The power supply circuit 51 thus stops the heat generation of the heat generating disc 11 to avoid dry burning.
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。The above are only the preferred embodiments of this application and are not intended to limit this application. Any modification, equivalent replacement and improvement made within the spirit and principle of this application should be included in the protection of this application Within range.

Claims (10)

  1. 一种玻璃加热壶，其特征在于，包括上侧面设有发热盘（11）的底座（1）、可放置在发热盘（11）上加热的玻璃壶体（2）、设置在底座（1）上的凸出件（3）以及设置在凸出件（3）内用于检测玻璃壶体（2）内的实际加热温度的温度检测模块（4），且底座（1）内设有用于当玻璃壶体（2）内的实际加热温度靠近预设的加热目标温度T0时控制发热盘（11）降低加热功率以防止玻璃壶体（2）内的水或食物沸腾溢出的控制电路板，且温度检测模块（4）和发热盘（11）均电性连接控制电路板。A glass heating pot, characterized in that it comprises a base (1) provided with a heating plate (11) on the upper side, a glass pot body (2) which can be placed on the heating plate (11) for heating, and is provided on the base (1) The protruding piece (3) and the temperature detection module (4) provided in the protruding piece (3) for detecting the actual heating temperature in the glass jug body (2), and the base (1) is provided with a A control circuit board that controls the heating plate (11) to reduce the heating power to prevent boiling or overflow of water or food in the glass jug (2) when the actual heating temperature in the glass jug (2) is close to the preset heating target temperature T0, and The temperature detection module (4) and the heating plate (11) are both electrically connected to the control circuit board.
  2. 根据权利要求1所述玻璃加热壶，其特征在于，温度检测模块（4）包括红外线温度感应探头（42）以及与红外线温度感应探头（42）电性相连的采样电路板（43），该采样电路板（43）的输出端电性连接控制电路板。The glass heating pot according to claim 1, wherein the temperature detection module (4) includes an infrared temperature sensing probe (42) and a sampling circuit board (43) electrically connected to the infrared temperature sensing probe (42), the sampling The output end of the circuit board (43) is electrically connected to the control circuit board.
  3. 根据权利要求2所述玻璃加热壶，其特征在于，在红外线温度感应探头（42）的外部套有用于加强红外线收集以提高温度感应准确性的铜套（41），该铜套（41）设有对着玻璃壶体（2）的横向通孔（411），红外线温度感应探头（42）设置在横向通孔（411）内。The glass heating pot according to claim 2, characterized in that a copper sleeve (41) for enhancing infrared collection to improve temperature sensing accuracy is provided on the outside of the infrared temperature sensing probe (42). There is a lateral through hole (411) facing the glass jug body (2), and an infrared temperature sensing probe (42) is provided in the lateral through hole (411).
  4. 根据权利要求2所述玻璃加热壶，其特征在于，红外线温度感应探头（42）设置为对准玻璃壶体（2）的中部或中部偏下的位置。The glass heating jug according to claim 2, characterized in that the infrared temperature sensing probe (42) is arranged to align with the middle part of the glass jug body (2) or a position where the middle part is lowered.
  5. 根据权利要求1所述玻璃加热壶，其特征在于，凸出件（3）具有与底座（1）内部相连通的容纳腔（31）及可盖合容纳腔（31）的端盖（32），温度检测模块（4）设置在容纳腔（31）中。The glass heating pot according to claim 1, characterized in that the protruding member (3) has an accommodating cavity (31) communicating with the interior of the base (1) and an end cover (32) capable of covering the accommodating cavity (31) The temperature detection module (4) is arranged in the accommodating cavity (31).
  6. 根据权利要求1-5任何一项所述玻璃加热壶，其特征在于，控制电路板包括与外部交流电AC相连的电源电路（51）、功率调节器（55）和用于根据玻璃壶体（2）内的实际加热温度通过功率调节器（55）对发热盘（11）的加热功率进行调节的主控电路（52），发热盘（11）串接功率调节器（55）后连接在电源电路（51）的两个输出端，温度检测模块（4）与主控电路（52）的数据端口相连，主控电路（52）的其中一个控制端口与功率调节器（55）的控制端相连。The glass heating pot according to any one of claims 1 to 5, characterized in that the control circuit board includes a power circuit (51) connected to an external alternating current AC, a power regulator (55), and a glass pot body (2 ) The actual heating temperature in the main control circuit (52) for adjusting the heating power of the heating plate (11) through the power regulator (55). The heating plate (11) is connected in series with the power regulator (55) and connected to the power supply circuit The two output terminals of (51), the temperature detection module (4) is connected to the data port of the main control circuit (52), and one of the control ports of the main control circuit (52) is connected to the control terminal of the power regulator (55).
  7. 根据权利要求6所述玻璃加热壶，其特征在于，主控电路（52）包括单片机，功率调节器（55）为可控硅，且可控硅的控制端与单片机的其中一个控制端口相连。The glass heating pot according to claim 6, characterized in that the main control circuit (52) includes a single chip microcomputer, the power regulator (55) is a thyristor, and the control terminal of the thyristor is connected to one of the control ports of the single chip microcomputer.
  8. 根据权利要求6所述玻璃加热壶，其特征在于，控制电路板包括用于当玻璃壶体（2）内的实际加热温度达到预设的加热目标温度T0时由主控电路（52）控制断开的温控器（54），该温控器（54）与发热盘（11）串接，该温控器（54）的控制端与主控电路（52）的其中一个控制端口相连。The glass heating kettle according to claim 6, characterized in that the control circuit board includes a control circuit (52) for controlling the interruption when the actual heating temperature in the glass kettle body (2) reaches a preset heating target temperature T0 An open thermostat (54), the thermostat (54) is connected in series with the heating plate (11), and the control end of the thermostat (54) is connected to one of the control ports of the main control circuit (52).
  9. 根据权利要求1-8任何一项所述玻璃加热壶的防溢加热控制方法，其特征在于，该方法包括步骤：The anti-overflow heating control method for a glass heating pot according to any one of claims 1-8, characterized in that the method comprises the steps of:
    让发热盘（11）按额定功率P0对玻璃壶体（2）开始加热；Let the heating plate (11) heat the glass pot body (2) according to the rated power P0;
    当玻璃壶体（2）内的实际加热温度达到T1时使发热盘（11）降低加热功率至P1；When the actual heating temperature in the glass jug (2) reaches T1, the heating plate (11) reduces the heating power to P1;
    当玻璃壶体（2）内的实际加热温度达到T2时使发热盘（11）进一步降低加热功率至P2；When the actual heating temperature in the glass jug body (2) reaches T2, the heating plate (11) further reduces the heating power to P2;
    当玻璃壶体（2）内的实际加热温度达到T3时使发热盘（11）按加热功率P3进行间歇性加热；When the actual heating temperature in the glass pot body (2) reaches T3, the heating plate (11) is intermittently heated according to the heating power P3;
    其中，0＜T1＜T2＜T3＜T0，P3≤P2＜P1＜P0。Among them, 0<T1<T2<T3<T0, P3≤P2<P1<P0.
  10. 根据权利要求9所述玻璃加热壶的防溢加热控制方法，其特征在于，当玻璃壶体（2）内的实际加热温度达到预设的加热目标温度T0时使发热盘（11）停止加热以防止干烧。The anti-overflow heating control method of the glass heating pot according to claim 9, characterized in that when the actual heating temperature in the glass pot body (2) reaches the preset heating target temperature T0, the heating plate (11) is stopped to heat Prevent dry burning.
PCT/CN2019/073299 2018-12-29 2019-01-28 Glass heating kettle and heating control method therefor for boil-over prevention WO2020133624A1 (en)

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US20060243272A1 (en) * 2005-04-29 2006-11-02 Hung Chow Electrical water heater
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