WO2019210652A1 - 一种温奶器使用的水浴温奶方法及温奶器 - Google Patents

一种温奶器使用的水浴温奶方法及温奶器 Download PDF

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WO2019210652A1
WO2019210652A1 PCT/CN2018/111417 CN2018111417W WO2019210652A1 WO 2019210652 A1 WO2019210652 A1 WO 2019210652A1 CN 2018111417 W CN2018111417 W CN 2018111417W WO 2019210652 A1 WO2019210652 A1 WO 2019210652A1
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temperature
milk
water body
bottle
heating
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PCT/CN2018/111417
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English (en)
French (fr)
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陆文良
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苏州市欧陆杰电器有限公司
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Publication of WO2019210652A1 publication Critical patent/WO2019210652A1/zh

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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
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/24—Warming devices
    • A47J36/2411—Baby bottle warmers; Devices for warming baby food in jars
    • A47J36/2433—Baby bottle warmers; Devices for warming baby food in jars with electrical heating means
    • A47J36/2438—Baby bottle warmers; Devices for warming baby food in jars with electrical heating means for warming a water-bath or -jacket

Definitions

  • the invention relates to a warm milk method, in particular to a warm milk method and a warm milk device using the same.
  • Warm milk is also known as a warm milk or hot milk device and is a device for heating milk. Infants and young children need to have appropriate temperature for breast milk or milk feeding. Infants and young children have intermittent conditions when drinking milk. The temperature of milk will drop after a short time (especially in winter), when the temperature of milk is lower than 35 degrees Celsius. Infants and young children can cause gastrointestinal discomfort or difficulty in absorption, which brings great inconvenience to feeding, or the milk stored in the refrigerator must be heated before it can be given to children.
  • the early warm milk products have the following defects: First, it is impossible to control the temperature, which is easy to cause insufficient heating, which is not conducive to the consumption of infants and young children, or overheating causes the loss of nutrients in milk and other infant foods, and even causes burns; secondly, the uniformity is poor, and the internal and external heat is often uneven. The external temperature reaches the heating temperature, and the internal temperature is still low, which is not conducive to the consumption of infants and young children; with the continuous development of science and technology, intelligent warm milk products gradually enter the market.
  • the temperature control can only control the temperature outside the bottle, but the actual milk temperature in the bottle cannot be accurately grasped.
  • This is the common milk milk device.
  • a representative warm milk device can be found in the Chinese patent CN205514165U.
  • the warm milk device realizes the simultaneous adjustment of the milk and the warm milk, and realizes the warm milk during the rotation of the bottle to ensure the uniformity of the warm milk, but to the inside of the bottle.
  • the specific milk temperature cannot be accurately grasped, resulting in a large difference between the final displayed temperature and the temperature of the liquid in the bottle, and the heating rate is not fast enough.
  • the object of the present invention is to provide a water bath warm milk method and a warm milk device for use in a warm milk device, and accelerate the heating speed under the premise of accurately controlling the temperature of the milk in the bottle.
  • the technical solution adopted by the present invention is: a rapid water bath warm milk method used in a warm milk device, wherein the milk bottle filled with milk is immersed in a water bath of a warm milk device, and the water body is passed through Heating and temperature control are performed to bring the milk in the bottle to a target temperature T, and the target temperature T is a serving temperature of the baby;
  • the bottle meets the following conditions: ⁇ /D ⁇ 0.2; wherein ⁇ represents the thermal conductivity of the material of the bottle, the unit of ⁇ is W / (m ⁇ ° C); D represents the wall thickness of the bottle, and the unit of D is mm;
  • the warm milk device comprises a heating element, a temperature sensor and a control circuit, wherein the heating element is a semiconductor refrigeration sheet having a cold end and a hot end, and the temperature sensor is in direct or indirect contact with the water body for detecting the water body temperature;
  • the method for heating and temperature controlling a water body comprises the following steps:
  • the first step using a semiconductor refrigeration sheet to heat the water body to a critical temperature A, and then stop heating, the critical temperature A is 45-65 ° C;
  • the temperature difference between the hot end and the cold end of the semiconductor refrigerating sheet and the endothermic effect of the cold end on the hot end after the heating is stopped, the water body is rapidly cooled;
  • the heating operation of the semiconductor refrigeration sheet is used to keep the water body temperature constant at the target temperature T, so that the milk in the bottle reaches the milk quickly, accurately and uniformly.
  • Target temperature T the temperature of the semiconductor refrigeration sheet
  • the critical temperature A is:
  • the unit of A is °C
  • C is the overall heat capacity of the warm milk device, C unit is J / ° C;
  • ⁇ is the thermal conductivity of the bottle, and the unit of ⁇ is W/(m ⁇ °C);
  • D is the wall thickness of the bottle, and the unit of D is mm;
  • P is the electrical power of the semiconductor refrigerating sheet, and the unit of P is W;
  • the third step is to maintain the water body temperature at the target temperature T by intermittent heating operation of the semiconductor refrigerating sheet. Specifically, the target temperature T is targeted, and the water body temperature is slightly increased in the vicinity of the target temperature T by turning on and off the power supply of the semiconductor cooling sheet until the target temperature T is reached.
  • the target temperature T refers to the temperature of the milk that the normal baby can bear, generally 38 ° C ⁇ 4 ° C, below which the temperature is harmful to the baby's stomach, and the temperature is higher than this temperature. The danger is best at 38 °C ⁇ 2 °C.
  • the electrical power of the semiconductor refrigeration sheet is 40-150W.
  • the PPSU bottle is a bottle of polyphenylene sulfone resin.
  • the warm milk device technical solution adopted by the present invention is: a warm milk device comprising a container for adding water and immersing a bottle in the container, the container is provided with a semiconductor refrigeration sheet for heating the water body and detecting the water body.
  • the temperature sensor of the temperature; the warm milk method adopted by the warm milk device is to soak the bottle containing the milk in the water bath of the warm milk device, and the milk in the bottle reaches the target temperature by heating and controlling the water body.
  • T the target temperature T is a baby drinking temperature;
  • the bottle meets the following conditions: ⁇ /D ⁇ 0.2; wherein ⁇ represents the thermal conductivity of the material of the bottle, the unit of ⁇ is W / (m ⁇ ° C); D represents the wall thickness of the bottle, and the unit of D is mm;
  • the warm milk device comprises a heating element, a temperature sensor and a control circuit, wherein the heating element is a semiconductor refrigeration sheet having a cold end and a hot end, and the temperature sensor is in direct or indirect contact with the water body for detecting the water body temperature;
  • the method for heating and temperature controlling a water body comprises the following steps:
  • the first step using a semiconductor refrigeration sheet to heat the water body to a critical temperature A, and then stop heating, the critical temperature A is 45-65 ° C;
  • the temperature difference between the hot end and the cold end of the semiconductor refrigerating sheet and the endothermic effect of the cold end on the hot end after the heating is stopped, the water body is rapidly cooled;
  • the heating operation of the semiconductor refrigeration sheet is used to keep the water body temperature constant at the target temperature T, so that the milk in the bottle reaches the milk quickly, accurately and uniformly.
  • Target temperature T the temperature of the semiconductor refrigeration sheet
  • the design principle of the present invention is: the first step of the present invention uses a semiconductor refrigeration sheet to heat the water body of the warm milk device to stop heating immediately after a critical temperature A higher than the target temperature T of the milk liquid, and the second step is to use the semiconductor refrigeration sheet.
  • the third step is to keep the target temperature T; in the above step, the first step is to quickly increase the temperature.
  • the second step is to make use of the endothermic effect of the cold end of the semiconductor refrigerating piece on the hot end to rapidly cool the water body, so as to prevent the temperature rise of the milk in the bottle from exceeding the safe temperature; Insulation is to make the temperature of the milk in the bottle more uniform.
  • the above three steps are mutually complementary, and each other effectively achieves the effect of accurate, uniform, and rapid temperature control.
  • the second step utilizes the endothermic effect of the cold end of the semiconductor refrigeration fin on the hot end to rapidly cool the water body. So cleverly, it is the core of the present invention.
  • an ordinary heating element such as a heating rod
  • the target temperature T to bring safety problems or loss of nutrients of the milk
  • the temperature rise caused by the internal heat of the ordinary heating element after stopping the work is related to various actual environmental conditions.
  • the conventional heating element can not be completely completed, and the invention makes breakthrough use of the semiconductor refrigeration sheet, and the natural endothermic effect of the cold end on the hot end can quickly lower the temperature of the water body to ensure the temperature of the milk liquid is not The target temperature T will be exceeded without additional cost of cooling.
  • the present invention has the following advantages and effects compared with the prior art:
  • the invention can quickly and accurately control the milk in the bottle, and the following experimental data can be seen:
  • the specifications of the warm milk device were: the overall heat capacity C was 500 J/° C., the electric power P of the semiconductor refrigeration sheet was 60 W, and the inner cavity of the container was cylindrical (the inner diameter was 60 mm and the height was 80 mm).
  • the critical temperature A was calculated to be 50 ⁇ 3 ° C according to the above formula of the critical temperature A, and the critical temperature A was selected to be 50 ° C.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the invention relates to a rapid water bath warm milk method used in a warm milk device, which is characterized in that a milk bottle filled with milk is immersed in a water bath of a warm milk device, and the milk in the bottle reaches a target temperature by heating and controlling the water body.
  • T the target temperature T is the infant serving temperature, generally 38 ° C ⁇ 4 ° C, and most preferably 38 ° C.
  • the glass bottles on the market are in line with the PPSU bottles.
  • the PPSU bottle is a bottle of polyphenylene sulfone resin.
  • the warm milk device comprises a heating element, a temperature sensor and a control circuit, wherein the heating element is a semiconductor refrigeration sheet having a cold end and a hot end, and the temperature sensor is in direct or indirect contact with the water body for detecting the water body temperature.
  • the electric power of the semiconductor refrigerating sheet is 40-150 W.
  • the method for heating and temperature controlling a water body comprises the following steps:
  • the first step using a semiconductor refrigeration sheet to heat the water body to a critical temperature A, and then stop heating, the critical temperature A is 45-65 ° C;
  • the temperature difference between the hot end and the cold end of the semiconductor refrigerating sheet and the endothermic effect of the cold end on the hot end after the heating is stopped, the water body is rapidly cooled;
  • the heating is completed, and then the heating operation of the semiconductor refrigeration sheet is used to keep the water body temperature constant at the target temperature T, so that the milk in the bottle is fast and accurate. And reach the target temperature T evenly.
  • the heating operation of the semiconductor refrigerating sheet keeps the temperature of the water body constant at the target temperature T.
  • the critical temperature A can be determined according to the following conditions:
  • the unit of A is °C
  • C is the overall heat capacity of the warm milk device, C unit is J / ° C;
  • ⁇ is the thermal conductivity of the bottle, and the unit of ⁇ is W/(m ⁇ °C);
  • D is the wall thickness of the bottle, and the unit of D is mm;
  • P is the electric power of the semiconductor refrigerating sheet, and the unit of P is W.
  • the following warm milk device can be used: the overall heat capacity C is 500 J/° C., the electric power P of the semiconductor refrigerating sheet is 60 W, and the inner cavity of the container is cylindrical (the inner diameter is 60 mm and the height is 80 mm).
  • the critical temperature A was calculated to be 50 ⁇ 3 ° C according to the above formula, and the critical temperature A was selected to be 50 ° C.
  • the target temperature T 180ml of milk with low temperature of about 7 °C is heated to the target temperature T, the longest time is only 16min, the heating speed is very fast, and the milk is stable and gradually warmed up during the heating process.
  • the maximum temperature is also close to the target temperature T, which absolutely guarantees the safety of drinking milk and does not damage the nutrition of the milk.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • a warm milk device comprises a container for adding water and immersing a bottle in the container, the container is provided with a semiconductor refrigeration sheet for heating the water body and a temperature sensor for detecting the temperature of the water body; specifically, the warm milk method according to the first embodiment.

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Abstract

一种温奶器使用的快速水浴温奶方法以及温奶器，奶瓶符合以下条件：λ/Ｄ≥0.2；温奶器包含加热元件、温度传感器以及控制电路；水浴温奶方法包括以下步骤：第一步，利用半导体制冷片将水体加热至临界温度Ａ，然后停止加热，临界温度Ａ为45-65°C；第二步，利用半导体制冷片的热端与冷端温差以及停止加热后冷端对热端的吸热效应，对水体进行快速降温；第三步，当水体快速降温至目标温度Ｔ时，再以半导体制冷片的加热工作来保持水体温度恒定在该目标温度Ｔ，以此使奶瓶中的奶液快速、准确和均匀地达到目标温度Ｔ。

Description

一种温奶器使用的水浴温奶方法及温奶器 技术领域
本发明涉及温奶方法，具体涉及一种温奶方法以及采用该方法的温奶器。
背景技术
温奶器又称为暖奶器或者热奶器，是用于加热奶液的装置。婴幼儿母乳或者牛奶喂养都需要温度适宜，婴幼儿在喝奶时存在断断续续的情况，奶水在经过短时间的放置(尤其是在冬天)后温度就会下降，当奶水的温度低于35摄氏度时，婴幼儿饮用会导致肠胃不适或者难以吸收，给喂养带来了极大的不便，或者从冰箱里拿出的存奶，必须加热后才能给孩子喝，早期的温奶产品存在下面缺陷：其一，无法控温，很容易造成加热不足，不利于婴幼儿食用，或者过热使奶类及其它婴幼儿食物的营养流失，甚至造成烫伤；其二，均匀性差，往往出现内外部受热不均匀，外部达到加热温度，内部仍然温度较低的情况，不利于婴幼儿食用；随着科学技术不断地发展，智能温奶产品逐渐进入市场。
现有市场上的温奶产品众多，但是为了安全卫生，其控温都只能是对瓶外的控温，而对奶瓶内实际奶温无法准确把握，这是现有温奶器普遍存在的问题，具代表性的温奶器可参见中国专利CN205514165U，该温奶器实现调奶和暖奶同步进行，在奶瓶转动过程中实现温奶，能够保证温奶的均匀性，但对瓶内的具体奶温无法准确把握，导致最终显示的温度与瓶内液体温度存在较大的差异，且升温速度也不够快。
因此，如何设计出一种快速加热，且保证奶瓶内的奶液受热均匀，并能准确控制瓶内奶液温度的温奶方法及温奶产品是本发明研究的课题。
发明内容
本发明目的是提供一种温奶器使用的水浴温奶方法及温奶器，在准确控制瓶内奶液温度的前提下，加快加热速度。
为达到上述目的，本发明采用的方法技术方案是：一种温奶器使用的快速水浴温奶方法，该方法是将装有奶液的奶瓶浸置在温奶器的水浴中，通过对水体进行加热和控温使奶瓶中的奶液达到目标温度T，所述目标温度T为婴儿适饮温度；
所述奶瓶符合以下条件：λ/D≥0.2；其中，λ代表奶瓶的材质的导热系数，λ的单位为W/(m×℃)；D代表奶瓶的壁厚，D的单位为mm；
所述温奶器包含加热元件、温度传感器以及控制电路，其中，加热元件为半导体制冷片，其具有冷端和热端，温度传感器直接或间接与水体接触，用于检测水体温度；
所述对水体进行加热和控温方法包括以下步骤：
第一步，利用半导体制冷片将水体加热至临界温度A，然后停止加热，所述临界温度A为45-65℃；
第二步，利用半导体制冷片的热端与冷端温差以及停止加热后冷端对热端的吸热效应，对水体进行快速降温；
第三步，当水体快速降温至所述目标温度T时，再以半导体制冷片的加热工作来保持水体温度恒定在该目标温度T，以此使奶瓶中的奶液快速、准确和均匀地达到目标温度T。
上述技术方案中的有关内容解释如下：
1、上述技术方案中，所述临界温度A为：
Figure PCTCN2018111417-appb-000001
其中，A的单位为℃；
C为所述温奶器的整体热容，C单位为J/℃；
λ为所述奶瓶的导热系数，λ的单位为W/(m×℃)；
D为所述奶瓶的壁厚，D的单位为mm；
P为所述半导体制冷片的电功率，P的单位为W；
2、上述技术方案中，所述第三步是以半导体制冷片的间歇性加热工作来保持水体温度恒定在该目标温度T。具体，是指以目标温度T为目标，通过通断半导体制冷片的电源使水体温度在目标温度T附近小幅起幅，直至完成达到目标温度T。
3、上述技术方案中，所述目标温度T是指通常婴儿所能承受的奶液温度，一般为38℃±4℃，低于该温度对婴儿肠胃有伤害，高于此温度更有过烫的危险，最佳是在38℃±2℃。
4、上述技术方案中，所述半导体制冷片的电功率为40-150W。
5、上述技术方案中，所述奶瓶符合以下条件：λ/D＝0.2，符合该条件的现有市场上的奶瓶，比如玻璃奶瓶、PPSU奶瓶。PPSU奶瓶即聚亚苯基砜树脂材质的奶瓶。
为达到上述目的，本发明采用的温奶器技术方案是：一种温奶器，包括一容器，在容器中供加水和浸置奶瓶，容器上设有对水体加热的半导体制冷片以及检测水体温度的温度传感器；所述温奶器采用的温奶方法是将装有奶液的奶瓶浸置在温奶器的水浴中，通过对水体进行加热和控温使奶瓶中的奶液达到目标温度T，所述目标温度T为婴儿适饮温度；
所述奶瓶符合以下条件：λ/D≥0.2；其中，λ代表奶瓶的材质的导热系数，λ的单位为W/(m×℃)；D代表奶瓶的壁厚，D的单位为mm；
所述温奶器包含加热元件、温度传感器以及控制电路，其中，加热元件为半导体制冷片，其具有冷端和热端，温度传感器直接或间接与水体接触，用于检测水体温度；
所述对水体进行加热和控温方法包括以下步骤：
第一步，利用半导体制冷片将水体加热至临界温度A，然后停止加热，所述临界温度A为45-65℃；
第二步，利用半导体制冷片的热端与冷端温差以及停止加热后冷端对热端的吸热效应，对水体进行快速降温；
第三步，当水体快速降温至所述目标温度T时，再以半导体制冷片的加热工作来保持水体温度恒定在该目标温度T，以此使奶瓶中的奶液快速、准确和均匀地达到目标温度T。
本发明设计原理是：本发明第一步采用半导体制冷片对温奶器的水体加热至以一高于奶液目标温度T的临界温度A后马上停止加热，而第二步是利用半导体制冷片的热端与冷端温差以及停止加热后冷端对热端的吸热效应，对水体进行快速降温；第三步是保温于目标温度T；上述步骤中，第一步是起到了快速升温的效果保证了升温的迅速，第二步是突破性的利用半导体制冷片冷端对热端的吸热效应使水体快速降温，以免奶瓶中的奶液温升过高超过了安全温度；而第三步的保温是使奶瓶中的奶液的温度更为均匀。上述三步是相辅相成，互相助力才有效地达到了控温准确、均匀、升温迅速的效果，特别是第二步利用半导体制冷片冷端对热端的吸热效应使水体快速降温，这一手段是如此巧妙，是本发明的核心，若该步骤中采用普通的加热元件(比如电热棒)来加温，在加热元件停止工作后其内部还存有大量热量，使水温继续上升而超过临界温度A，致使奶液瞬间超过目标温度T带来安全问题或者使奶液的营养成分发生损失，且普通加热元件停止工作后因其内部本身的热量而带来的升温幅度与各种实际环境条件有关，而不能精确控制，故而用普通加热元件完全没法完成，而本发明突破性地利用半导体制冷片，其冷端对热端的自然的吸热效应就能使水体快速降温以保证了奶液温度不会超过目标温度T，且不额外增加降温的成本。
由于上述技术方案运用，本发明与现有技术相比具有下列优点和效果：
本发明对奶瓶中的奶液加热迅速、控温精确以及均匀，具体可见以下实验数据：
实验时，采用温奶器的规格为：整体热容C为500J/℃，半导体制冷片的电功率P为60W，容器内腔为圆柱形(内径60mm，高80mm)。
按上述临界温度A的公式计算出临界温度A为50±3℃，选定临界温度A为50℃。
具体试验结果如下：
Figure PCTCN2018111417-appb-000002
Figure PCTCN2018111417-appb-000003
从上述实验可看出，将180ml的7℃左右的冷藏温度的奶液加温至目标温度T，最长也仅耗时16min，加热速度很迅速，并且在加热过程中奶液是稳定的逐步升温，最高温度与目标温度T也很接近，绝对保证了奶液饮用安全性以及不破坏奶液的营养。
具体实施方式
下面结合实施例对本发明作进一步描述：
实施例一：
一种温奶器使用的快速水浴温奶方法，该方法是将装有奶液的奶瓶浸置在温奶器的水浴中，通过对水体进行加热和控温使奶瓶中的奶液达到目标温度T，所述目标温度T为婴儿适饮温度，一般为38℃±4℃，最佳是38℃。
针对奶瓶符合以下条件：λ/D≥0.2；其中，λ代表奶瓶的材质的导热系数，λ的单位为W/(m×℃)；D代表奶瓶的壁厚，D的单位为mm。现市面上的玻璃奶瓶和PPSU奶瓶符合。PPSU奶瓶即聚亚苯基砜树脂材质的奶瓶。
所述温奶器包含加热元件、温度传感器以及控制电路，其中，加热元件为半导体制冷片，其具有冷端和热端，温度传感器直接或间接与水体接触，用于检测水体温度。具体是半导体制冷片的电功率为40-150W。
所述对水体进行加热和控温方法包括以下步骤：
第一步，利用半导体制冷片将水体加热至临界温度A，然后停止加热，所述临界温度A为45-65℃；
第二步，利用半导体制冷片的热端与冷端温差以及停止加热后冷端对热端的吸热效应，对水体进行快速降温；
第三步，当水体快速降温至所述目标温度T时，提示加热完成，再以半导体制冷片的加热工作来保持水体温度恒定在该目标温度T，以此使奶瓶中的奶液快速、准确和均匀地达到目标温度T。
所述以半导体制冷片的加热工作来保持水体温度恒定在该目标温度T，其具体的方法有两种，一种是以半导体制冷片间隙工作的方式来达到控温恒定，另一种是以调频的方式来达到控温恒定。
所述临界温度A可按以下条件确定：
Figure PCTCN2018111417-appb-000004
其中，A的单位为℃；
C为所述温奶器的整体热容，C单位为J/℃；
λ为所述奶瓶的导热系数，λ的单位为W/(m×℃)；
D为所述奶瓶的壁厚，D的单位为mm；
P为所述半导体制冷片的电功率，P的单位为W。
具体，可采用如下温奶器：整体热容C为500J/℃，半导体制冷片的电功率P为60W，容器内腔为圆柱形(内径60mm，高80mm)。按上述公式计算出临界温度A为50±3℃，选定临界温度A为50℃。
经实际实验得到，将180ml的7℃左右的低藏温度的奶液加温至目标温度T，最长也仅耗时16min，加热速度很迅速，并且在加热过程中奶液是稳定的逐步升温，最高温度与目标温度T也很接近，绝对保证了奶液饮用安全性以及不破坏奶液的营养。
实施例二：
一种温奶器，包括一容器，在容器中供加水和浸置奶瓶，容器上设有对水体加热的半导体制冷片以及检测水体温度的温度传感器；具体是实施例一所述温奶方法。
上述实施例只为说明本发明的技术构思及特点，其目的在于让熟悉此项技术的人士能够了解本发明的内容并据以实施，并不能以此限制本发明的保护范围。凡根据本发明精神实质所作的等效变化或修饰，都应涵盖在本发明的保护范围之内。

Claims (6)

  1. 一种温奶器使用的快速水浴温奶方法，该方法是将装有奶液的奶瓶浸置在温奶器的水浴中，通过对水体进行加热和控温使奶瓶中的奶液达到目标温度T，所述目标温度T为婴儿适饮温度；
    其特征在于：
    所述奶瓶符合以下条件：λ/D≥0.2；其中，λ代表奶瓶的材质的热导系数，λ的单位为W/(m×℃)；D代表奶瓶的壁厚，D的单位为mm；
    所述温奶器包含加热元件、温度传感器以及控制电路，其中，加热元件为半导体制冷片，其具有冷端和热端，温度传感器直接或间接与水体接触，用于检测水体温度；
    所述对水体进行加热和控温方法包括以下步骤：
    第一步，利用半导体制冷片将水体加热至临界温度A，然后停止加热，所述临界温度A为45-65℃；
    第二步，利用半导体制冷片的热端与冷端温差以及停止加热后冷端对热端的吸热效应，对水体进行快速降温；
    第三步，当水体快速降温至所述目标温度T时，再以半导体制冷片的加热工作来保持水体温度恒定在该目标温度T，以此使奶瓶中的奶液快速、准确和均匀地达到目标温度T。
  2. 根据权利要求1所述温奶器使用的快速水浴温奶方法，其特征在于：所述临界温度A为：
    Figure PCTCN2018111417-appb-100001
    其中，A的单位为℃；
    C为所述温奶器的整体热容，C单位为J/℃；
    λ为所述奶瓶的导热系数，λ的单位为W/(m×℃)；
    D为所述奶瓶的壁厚，D的单位为mm；
    P为所述半导体制冷片的电功率，P的单位为W。
  3. 根据权利要求1所述温奶器使用的快速水浴温奶方法，其特征在于：所述第三步是以半导体制冷片的间歇性加热工作来保持水体温度恒定在该目标温度T。
  4. 根据权利要求1所述温奶器使用的快速水浴温奶方法，其特征在于：所述目标温度T为38℃±4℃。
  5. 根据权利要求1所述温奶器使用的快速水浴温奶方法，其特征在于：所述半导体制冷 片的电功率为40-150W。
  6. 一种温奶器，包括一容器，在容器中供加水和浸置奶瓶，容器上设有对水体加热的半导体制冷片以及检测水体温度的温度传感器；其特征在于：所述温奶器采用权利要求1所述温奶方法。
PCT/CN2018/111417 2018-05-03 2018-10-23 一种温奶器使用的水浴温奶方法及温奶器 WO2019210652A1 (zh)

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