WO2014040330A1 - 一种保温碗 - Google Patents

一种保温碗 Download PDF

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Publication number
WO2014040330A1
WO2014040330A1 PCT/CN2012/082668 CN2012082668W WO2014040330A1 WO 2014040330 A1 WO2014040330 A1 WO 2014040330A1 CN 2012082668 W CN2012082668 W CN 2012082668W WO 2014040330 A1 WO2014040330 A1 WO 2014040330A1
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Prior art keywords
bowl
electric heating
heating block
slot
heat
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PCT/CN2012/082668
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English (en)
French (fr)
Inventor
郑汉辉
黄文辉
姚海刚
黄永创
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深圳市润唐智能生活电器有限公司
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Publication of WO2014040330A1 publication Critical patent/WO2014040330A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47G—HOUSEHOLD OR TABLE EQUIPMENT
    • A47G19/00—Table service
    • A47G19/02—Plates, dishes or the like
    • A47G19/027—Plates, dishes or the like with means for keeping food cool or hot

Definitions

  • the invention relates to a heat preservation bowl.
  • Chinese patent document CN201480854U discloses an electric heating type child health bowl, which comprises a bowl body, a power switch and a heating device. The power supply, heating device and power switch are fixed in the bowl, which improves the insulation performance of the insulated bowl.
  • the structure in which the electric heating device is integrally fixed to the bowl body makes the weight of the bowl much increased, and the use is not flexible enough, because the heat preservation function is often used in a low temperature condition, when the heat preservation function is not required,
  • This kind of bowl is more cumbersome and less light than ordinary bowls.
  • the electric heating device is fixed on the bowl body.
  • the bowl is not convenient to be washed with water, and the electric heating device is not easy to maintain, which affects its use. life. Due to these factors, its usage rate is also very low, and many times it will be idle.
  • the main object of the present invention is to provide a heat-insulating bowl which is convenient and flexible for use in the prior art, which can not only heat the bowl when needed, but also can be used as a light bowl in an ordinary bowl, and is also beneficial for the cleaning and heat preservation function of the bowl. Maintenance.
  • the present invention adopts the following technical solutions:
  • An insulated bowl includes a bowl and an electric heating block detachably mounted to the bottom of the bowl.
  • the electric heating block is in the shape of a pie that is adapted to the concave annular bottom of the bowl, and the electric heating block is mounted to the bowl by being embedded in the annular bottom.
  • the annular inner wall of the annular bottom is provided with a bump
  • the side wall of the electric heating block is provided with a card slot that is locked with the bump.
  • the card slot is a long slot extending from the top to the bottom along the side wall
  • the long slot includes an upper slot section and a lower slot section that communicate with each other, and the upper slot section and the lower slot section are above and below A misalignment is formed in the direction, and the bump is caught in a region of the non-upper groove segment in the long groove when the annular bottom portion is assembled with the electric heating block.
  • the card slot is an L-shaped slot that is opened from top to bottom along the sidewall, and the bump is engaged with the L-shaped slot when the annular bottom is assembled with the electric heating block.
  • the horizontal area at the bottom is an L-shaped slot that is opened from top to bottom along the sidewall, and the bump is engaged with the L-shaped slot when the annular bottom is assembled with the electric heating block.
  • the top of the electric heating block has a switch, and is arranged such that when the bottom of the bowl contacts the electric heating block, the switch is pressed to bring the electric heating block into an energizable state, and the electric heating When the block is disengaged from the bowl, the switch loses its contact pressure and is powered off.
  • the heat generating body in the electric heating block is directly covered by a heat transfer sheet that is in direct contact with the bottom of the bowl.
  • the heat transfer sheet is preferably metallic.
  • the heat preservation bowl further comprises a heat insulating material cover that cooperates with the bowl body, and the bowl body is a double-layer stainless steel hollow structure.
  • the heating element in the electric heating block is a ceramic PTC (Positive Temperature Coefficient) heating sheet.
  • the power source in the electric heating block comprises a rechargeable battery
  • the charging block is provided on the electric heating block.
  • the heat preservation bowl of the invention can not only heat the bowl when needed, but also can be used as an ordinary bowl, which is convenient and flexible, and is also beneficial to the cleaning of the bowl and the maintenance of the thermal insulation performance thereof.
  • the life of the insulated bowl is not left unused because of the cumbersome or inconvenient cleaning and maintenance problems. It is more practical and more attractive to home users.
  • the invention can be used not only for the heat preservation of infants and children, but also for the external preservation of adult meals.
  • the shape of the electric heating block is matched with the bottom of the bowl, and optionally, the bump on the bowl and the design of the card slot on the electric heating block, so that the electric heating block can Reliably fixed in the bowl, it is very convenient to disassemble.
  • FIG. 1 is an exploded perspective view of a heat insulating bowl according to an embodiment of the present invention
  • Figure 2 is a cross-sectional view of a bowl body according to an embodiment of the present invention.
  • Figure 3 is a perspective view of a bowl body according to an embodiment of the present invention.
  • FIG. 4 is a perspective view of an electric heating block according to an embodiment of the present invention.
  • FIG. 5 is a schematic view showing the assembly of the heat preservation bowl according to an embodiment of the present invention.
  • the heat insulating bowl includes at least a bowl 2 and an electric heating block 3 detachably mounted to the bottom of the bowl 2.
  • the heat insulating bowl may further comprise a heat insulating material bowl cover 1 mated with the bowl body, for example, a PP (polypropylene) material.
  • the electric heating block 3 may be in the shape of a pie adapted to the concave annular bottom of the bowl 2, according to which the electric heating block 3 is mounted to the bowl by being embedded in the annular bottom of the bowl 2. 2 on.
  • the annular inner wall of the annular bottom of the bowl body 2 may be provided with a bump 4, and the side wall of the electric heating block is provided with a card slot that is locked with the bump.
  • the card slot can be a circular groove that matches the shape of the bump.
  • the card slot may also be a long slot 9 extending from the top to the bottom along the side wall, and the slot 9 may include an upper slot section and a lower slot section that communicate with each other.
  • the upper trough section and the lower trough section are misaligned in the up and down direction, that is, the upper trough section and the lower trough section are laterally offset from each other at an intermediate joint without being in a straight line.
  • the bump 4 can move along the upper slot segment to engage the transverse connecting slot segment or the lower slot segment, and the intermediate displacement enables the bump 4 to be securely locked in the slot, but can be operated by corresponding operations.
  • Unlock
  • the card slot may also be an L-shaped groove (not shown) which is opened from top to bottom along the side wall, that is, the lower groove segment can be omitted, and the bent portion of the L-shaped bottom can also be used for the bump. 4 fastened.
  • the above design is very advantageous for the reliable fixing of the electric heating block 3 and the convenience of installation and disassembly.
  • the bowl body 2 can be a double-layer stainless steel hollow structure, which can enhance the heat preservation property and prevent the heat from being dissipated too quickly.
  • the top of the electric heating block 3 may have a switch 5, and is arranged such that when the bottom of the bowl 2 contacts the electric heating block 3, the switch 5 is pressed to bring the electric heating block 3 into an energizable state, When the electric heating block 3 is detached from the bowl 2, the switch 5 loses its contact pressure and is powered off.
  • the energizable state may be a state in which the electric heating block 3 is directly energized, or a state in which the electric heating block 3 is not directly energized but reaches an energization condition, and in the latter case, the switch 5 is connected in series as an energized line.
  • the switch 5 may be a flexible push-button switch that protrudes from the upper surface of the electric heating block 3 so that when the bowl is in contact with the bottom of the bowl 2, the switch is pressed and directly energized without being bounced when the bowl bottom 2 is pressed. Revert to the shutdown state.
  • the above design makes clever use of the assembly characteristics of the electric heating block 3 and the bowl 2, so that the convenience of opening and closing the heat preservation function is greatly improved, and the switching operation is not required, and the safety is also improved, in particular, the switch can be forgotten to be avoided.
  • the electric heating block is unnecessarily in a working state for a long time.
  • the electric heating block 3 can also be provided with other control switches. When the electric heating block is assembled on the bowl, the power is turned off by the control switch.
  • the heat generating body in the electric heating block 3 is preferably a ceramic PTC heating sheet.
  • the heat generating body in the electric heating block 3 is preferably directly covered by the heat transfer sheet 6 which is in direct contact with the bottom of the bowl 2. This maximizes heating efficiency and ensures that the performance of the heating element is not affected.
  • the heat transfer sheet 6 is preferably a metal heat transfer sheet.
  • the heat transfer sheet 6 may also have a certain water repellency.
  • the power source in the electric heating block 3 may include a rechargeable battery, and the electric heating block 3 is provided with a charging interface 8 for connecting an external charger.
  • the rechargeable battery can be a polymer battery such as a lithium ion polymer battery.
  • the electric heating block 3 can of course also be provided with an interface for connecting an external power source to directly supply power to the heating element.
  • the heating cake 3 can be provided with a ceramic PTC heating sheet and a lithium battery (not shown) for supplying power to the PTC heating sheet, and the heating cake 3 can be provided with an indicator lamp 7 and a charging hole 8, on the heating cake 3.
  • the surface has a push button switch 5 and a metal heat transfer sheet 6.
  • the charging hole 8 can employ a USB interface that is currently widely used. When not in use, you can connect the charging hole 8 of the heating cake to the USB cable, charge it to the host computer, and take it out after charging.
  • the double-layer insulated bowl 2 with the food is placed on the bowl cover 1 so that the groove 9 of the heating cake is aligned with the bump 4 of the bowl, so that the bowl follows the hot cake.
  • the slots 9 slide in and rotate until they are fastened to each other.
  • the switch button 5 is touched, the PTC heating piece is connected to the lithium battery, and the PTC heating piece conducts heat to the bottom of the bowl through the metal heat transfer sheet 6 to heat and heat the meals.
  • the indicator 7 operates while the circuit is turned on.

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

Abstract

一种保温碗，包括碗体（2）和可拆卸地安装到碗体（2）的底部的电发热块（3）。电发热块（3）是与碗体（2）内凹的环形底部相适配的圆饼形。电发热块（3）通过嵌入环形底部而安装到碗体（2）上。保温碗既能在需要时加热碗体（2），又能作为普通碗轻便地使用，还有利于碗的清洁和保温性能的维护。

Description

一种保温碗 技术领域
本发明涉及一种保温碗。
背景技术
许多父母一定都有过这样的体会，家里的小孩经常把饭吃了两口就把饭碗扔在一边，跑去玩别的，等真正想吃的时候饭却已经凉了，反反复复。作为父母，对于这种情况非常的苦恼。中国专利文献CN201480854U公开了一种电热式儿童保健碗,包括碗体、电源开关和加热装置, 电源、加热装置和电源开关固定在碗体，提高了保温碗的保温性能。然而，这种将电加热装置一体地固定在碗体的结构使得碗体重量增加很多，使用起来不够灵活，因为保温功能多在气温较低的情况下使用，在不需要使用保温功能的时候，这种碗较普通碗更为笨重不够轻便的特点便十分突出，而且，电加热装置一体固定在碗体上，一方面使碗体不方便用水清洗，电加热装置也不容易保养，影响其使用寿命。由于这些因素，其使用率也很低，很多时候会被闲置。
技术问题
本发明的主要目的就是针对现有技术的不足，提供一种使用方便灵活的保温碗，既能在需要时加热碗体，又能作为普通碗轻便地使用，还有利于碗的清洁和保温功能的维护。
技术解决方案
为实现上述目的，本发明采用以下技术方案：
一种保温碗，包括碗体和可拆卸地安装到所述碗体的底部的电发热块。
优选地，所述电发热块为与所述碗体内凹的环形底部相适配的圆饼形，所述电发热块通过嵌入所述环形底部而安装到所述碗体上。
优选地，所述环形底部的环形内壁上设有凸点，所述电发热块的侧壁上设有与所述凸点配合锁紧的卡槽。
优选地，所述卡槽为沿着所述侧壁由上至下开设的长槽，所述长槽包括相连通的上部槽段和下部槽段，所述上部槽段和下部槽段在上下方向上形成错位，且所述环形底部与所述电发热块组装好时所述凸点卡入所述长槽内非上部槽段的区域。
优选地，所述卡槽为沿着所述侧壁由上至下开设的L形槽，且所述环形底部与所述电发热块组装好时所述凸点卡入所述L形槽的底部水平区域。
优选地，所述电发热块的顶部具有开关，且设置成所述碗体的底部接触所述电发热块时触压所述开关而使所述电发热块进入可通电状态，所述电发热块脱离所述碗体时所述开关失去触压作用而断电。
优选地，所述电发热块中的发热体由与所述碗体底部直接接触的传热片直接覆盖。传热片优选是金属的。
优选地，保温碗还包括与所述碗体配合的隔热材料碗盖，所述碗体为双层不锈钢中空结构。
优选地，所述电发热块中的发热体为陶瓷PTC（正温度系数）发热片。
优选地，所述电发热块中的电源包含可充电电池，所述电发热块上设有充电接口。
 有益效果
本发明有益的技术效果在于：
通过碗体和电发热块的可拆卸配置，本发明的保温碗既能在需要时加热碗体，又能作为普通碗使用，方便灵活，还有利于碗的清洁以及其保温性能的维护，延长保温碗的使用寿命，且完全不会因为较笨重或不便清洁及保养的问题而被闲置，实用性强，更容易受到家庭用户青睐。本发明不仅可用于婴幼儿、孩童粥饭菜的保温，也同样适用于成年人饭菜的外带保存。
在优选的实施例里，通过电发热块的形状与碗体底部的相嵌配合，以及可选的，碗体上的凸点及电发热块上的卡槽的设计，使得电发热块既能可靠固定在碗体，拆装起来又十分方便。
 附图说明
图1为本发明一个实施例的保温碗立体分解图；
图2为本发明一个实施例的碗体剖视图；
图3为本发明一个实施例的碗体立体图；
图4为本发明一个实施例的电发热块立体图；
图5为本发明一个实施例的保温碗组装示意图。
 本发明的实施方式
以下通过实施例结合附图对本发明进行进一步的详细说明。
请参阅图1至图5， 保温碗至少包括碗体2和可拆卸地安装到所述碗体2的底部的电发热块3。保温碗还可以包括与所述碗体配合的隔热材料碗盖1，碗盖1例如采用PP（聚丙烯）材料。
电发热块3可以为与所述碗体2内凹的环形底部相适配的圆饼形，按此结构，所述电发热块3通过嵌入碗体2的环形底部而安装到所述碗体2上。
碗体2的环形底部的环形内壁上可以设有凸点4，而所述电发热块的侧壁上设有与所述凸点配合锁紧的卡槽。卡槽可以是与凸点形状匹配的圆形凹槽。优选地，图4所示，所述卡槽也可以是沿着所述侧壁由上至下开设的长槽9，所述长槽9可以包括相连通的上部槽段和下部槽段，所述上部槽段和下部槽段在上下方向上形成错位，即上部槽段和下部槽段在中间连接处相互横向偏移而不在一条直线上。这样，凸点4可以顺着上部槽段移动进而卡入横向连接槽段或下部槽段，中间的错位使得凸点4可以牢固的锁紧在长槽内，但又能够通过相应的操作来予以解锁。此外，所述卡槽还可以是沿着所述侧壁由上至下开设的L形槽（未图示），即可以省去下部槽段，L形底部的弯折部分同样能够将凸点4扣紧。
上述设计对于电发热块3的可靠固定和安装、拆分的方便性是十分有利的。
如图2所示，碗体2可以为双层不锈钢中空结构，可增强保温性，避免热量不被过快散失。
电发热块3的顶部可以具有开关5，且设置成所述碗体2的底部接触所述电发热块3时触压所述开关5而使所述电发热块3进入可通电状态，所述电发热块3脱离所述碗体2时所述开关5失去触压作用而断电。本领域技术人员应能理解，上述触动式开关的配置可以采用各种常用的机械结构形式来实现。所述可通电状态既可以是直接使电发热块3通电的状态，也可以是不直接使电发热块3通电，但却达到通电条件的状态，后一情形下开关5是作为串联在通电线路上的安全开关。例如，开关5可以是有弹性的按键式开关，突出在电发热块3的上表面，从而与碗体2的底部接触时开关被按下直接通电，而不受碗底2触压时弹起回复成关断状态。上述设计巧妙利用了电发热块3与碗体2的可组装特性，使得开启和关闭保温功能的便利性大大提高，不需要人为进行开关操作，也提高了安全性，尤其是可避免忘记关开关而使电发热块长时间不必要地处于工作状态。当然，电发热块3还可以另设其他控制开关，在电发热块组装在碗体上的情况下，通过控制开关控制通断电。
所述电发热块3中的发热体优选为陶瓷PTC发热片。
所述电发热块3中的发热体优选由与所述碗体2底部直接接触的传热片6直接覆盖。这样能够最大限度地提高加热效率，确保发热体的性能不受到影响。传热片6优选为金属传热片。传热片6也可以是具有一定的防水性的。
所述电发热块3中的电源可以包含可充电电池，电发热块3上设有充电接口8，可连接外带的充电器。可充电电池可采用聚合物电池，如锂离子聚合物电池。电发热块3当然也可以带有接外部电源以直接向发热体供电的接口。
如图4所示，发热饼3可内置陶瓷PTC发热片和为PTC发热片供电的锂电池（未图示），发热饼3上可带有指示灯7和充电孔8，发热饼3的上表面有一按键开关5和金属传热片6。
充电孔8可采用目前广泛被使用的USB接口。平时不使用时，可以把发热饼的充电孔8连接USB线，接到电脑主机上充电，充电完成后取出。
如图5所示，使用时，将装好饭食的双层保温碗体2盖上碗盖1，使发热饼的槽位9与碗体的凸点4对齐，使碗体顺着发热饼的槽位9滑入后旋转直至互相扣紧。此时开关按键5被触动，PTC发热片与锂电池接通，PTC发热片通过金属传热片6传导热量至碗体底部进行饭食的加热和保温。电路接通的同时，指示灯7工作。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明，不能认定本发明的具体实施只局限于这些说明。对于本发明所属技术领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干简单推演或替换，都应当视为属于本发明的保护范围。

Claims (10)

  1. 一种保温碗，其特征在于, 包括碗体和可拆卸地安装到所述碗体的底部的电发热块。
  2. 如权利要求1所述的保温碗，其特征在于,所述电发热块为与所述碗体内凹的环形底部相适配的圆饼形，所述电发热块通过嵌入所述环形底部而安装到所述碗体上。
  3. 如权利要求2所述的保温碗，其特征在于,所述环形底部的环形内壁上设有凸点，所述电发热块的侧壁上设有与所述凸点配合锁紧的卡槽。
  4. 如权利要求3所述的保温碗，其特征在于,所述卡槽为沿着所述侧壁由上至下开设的长槽，所述长槽包括相连通的上部槽段和下部槽段，所述上部槽段和下部槽段在上下方向上形成错位，且所述环形底部与所述电发热块组装好时所述凸点卡入所述长槽内非上部槽段的区域。
  5. 如权利要求3所述的保温碗，其特征在于, 所述卡槽为沿着所述侧壁由上至下开设的L形槽，且所述环形底部与所述电发热块组装好时所述凸点卡入所述L形槽的底部水平区域。
  6. 如权利要求1所述的保温碗，其特征在于,所述电发热块的顶部具有开关，且设置成所述碗体的底部接触所述电发热块时触压所述开关而使所述电发热块进入可通电状态，所述电发热块脱离所述碗体时所述开关失去触压作用而断电。
  7. 如权利要求1所述的保温碗，其特征在于,所述电发热块中的发热体由与所述碗体底部直接接触的传热片直接覆盖。
  8. 如权利要求1至7任一项所述的保温碗，其特征在于, 还包括与所述碗体配合的隔热材料碗盖，所述碗体为双层不锈钢中空结构。
  9. 如权利要求1至7任一项所述的保温碗，其特征在于,所述电发热块中的发热体为陶瓷PTC发热片。
  10. 如权利要求1至7任一项所述的保温碗，其特征在于, 所述电发热块中的电源包含可充电电池，所述电发热块上设有充电接口。
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