WO2016202090A1 - 微型电饭煲的感温元件安装结构 - Google Patents

微型电饭煲的感温元件安装结构 Download PDF

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Publication number
WO2016202090A1
WO2016202090A1 PCT/CN2016/079952 CN2016079952W WO2016202090A1 WO 2016202090 A1 WO2016202090 A1 WO 2016202090A1 CN 2016079952 W CN2016079952 W CN 2016079952W WO 2016202090 A1 WO2016202090 A1 WO 2016202090A1
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temperature sensing
sensing element
hole
tray
electric heating
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PCT/CN2016/079952
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English (en)
French (fr)
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何志雄
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何志雄
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Publication of WO2016202090A1 publication Critical patent/WO2016202090A1/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
    • A47J27/00—Cooking-vessels
    • 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

Definitions

  • the purpose of the utility model is to overcome the deficiencies of the prior art mentioned above, and to provide a simple and reasonable structure, easy installation and replacement of temperature sensing components, real-time transmission of temperature data of the inner tank, and realization of multifunctional and intelligent control, and
  • the inner casing is heated uniformly, the heat is not easily lost, and the micro-electric rice cooker temperature sensing component mounting structure is obviously improved.
  • the real-time temperature data is compared with the set value by the control device to realize intelligent control; more importantly, since the elastic contact between the temperature sensing element and the inner tank is avoided, both of them are avoided.
  • the fixed contact causes the inner tank to be unable to be taken out, and the inner liner is always in good contact with the temperature sensing element.
  • the temperature sensing element is easy and quick to install, and the whole structure is simple and reasonable.
  • the electric heating device is provided with a mounting hole, and the temperature sensing element is disposed on the mounting hole, and the temperature sensing portion of the temperature sensing element protrudes from the mounting hole and contacts the bottom wall of the inner liner; in view of the volume of the miniature rice cooker Smaller, therefore, the inner wall area of the inner liner is also small, and a mounting hole is opened through the electric heating device on the bottom wall of the inner liner to facilitate the installation and installation of the temperature sensing element, so that the structure of the product is more compact and reasonable;
  • the component protrudes from the mounting hole and is in elastic contact with the inner casing, so that the inner tank and the electric heating device are close to or in contact with each other, and the temperature sensing element is in good contact with the inner tank to accurately monitor the temperature of the inner heating of the inner tank.
  • the mounting hole is a tray through hole on the heat conduction tray of the electric heating device, and the temperature sensing element is disposed on the through hole of the tray; in view of the proximity or contact of the heat conduction tray with the bottom wall of the liner, the temperature sensing element is disposed at Good contact with the bottom of the liner is ensured on the through hole of the tray.
  • the electric heating element is a PTC heating element
  • the structure comprises a pressing piece.
  • the pressing piece is provided with a bearing platform corresponding to the position of the through hole of the tray, one end of the elastic member is connected to the bearing platform, and the other end is pressed against the temperature sensing element; That is, the cap is supported as a lower portion of the elastic member so that the elastic member is stably disposed on the cap.
  • a socket is further disposed under the through hole of the heating element, and one end of the elastic member is connected to the bearing platform, and the other end is pressed against the temperature sensing element; that is, the bearing platform serves as a lower support of the elastic member.
  • the elastic member is stably placed on the cap.
  • the pedestal can also be a pillar, and the lower end of the pillar is connected to the bottom wall of the inner pot, the upper end of the pillar extends to be close to the temperature sensing element, the elastic member is connected at one end to the upper end of the pillar, and the other end is pressed against the temperature sensing element;
  • the pillars are supported to make the temperature sensing element elastic.
  • the elastic member may be a spring
  • the temperature sensing element comprises a cap-shaped outer casing and a thermistor mounted in the outer casing, and the upper end of the spring extends into the inner surface of the cap-shaped outer casing and the top end of the cap-shaped outer casing, and the spring lower end sleeve Set on the cap; hot
  • the varistor monitors the temperature of the liner in real time through a cap-like housing with good thermal conductivity and transmits the temperature data to the control device.
  • the electric heating element is a pressing piece that presses the PTC heating element on the bottom of the heat conducting tray, the pressing piece is provided with a concave portion, the PTC heating element is placed on the concave portion, and the PTC heating element is opposite to the bottom of the thermal conductive tray, so that The heat is directly transferred to the heat-conducting tray, and then the heat-conducting tray with a large heat-conducting area transfers the heat to the inner tank quickly and comprehensively, and the heat is concentrated in the inner cavity of the middle layer to prevent heat from being easily lost, and the inner liner is in the inner cavity.
  • the temperature sensing component mounting structure of the micro rice cooker is provided with a middle layer in the inner part of the outer pot, a heat conducting tray and an electric heating body mounted on the lower part of the inner cavity of the middle layer, and the inner tank is placed above the heat conducting tray of the inner layer inner cavity
  • the heat is concentrated in the inner cavity to prevent heat from being lost, and the inner heat is evenly heated, and the thermal efficiency is obviously improved.
  • the temperature sensing element monitors the temperature data of the inner tank in real time, and transmits the temperature data for control.
  • the device realizes intelligent control according to the temperature data.
  • the temperature setting value of the control device can be adjusted according to different user needs, thereby realizing the multifunctionality of the body; for example, soup, bottle insulation, etc.
  • Figure 3 is a schematic view of another embodiment of the present invention.
  • the electric heating device 3 includes a heat conducting tray 6 and an electric heating body 7, and the electric heating body 7 is connected to the bottom of the heat conducting tray 6, and is characterized in that it further includes There is a temperature sensing element 8 and an elastic member 9, and the temperature sensing element 8 is disposed below the inner bottom wall 21 by the elastic member 9, and the temperature sensing element 8 is in elastic contact with the inner bottom wall 21.
  • the electric heating device 3 is provided with a mounting hole, and the temperature sensing element 8 is disposed on the mounting hole 31, and the temperature sensing portion 83 of the temperature sensing element 8 protrudes from the mounting hole and contacts the bottom wall 21 of the inner casing;
  • the mounting hole is a tray through hole 61 on the heat transfer tray 6 of the electric heating device 3, and the temperature sensing element 8 is disposed on the tray through hole 61.
  • the electric heating body 7 further includes a pressing piece 71.
  • the pressing piece 71 is provided with a bearing platform 10 corresponding to the position of the through hole of the tray.
  • One end of the elastic member 9 is connected to the bearing platform 10, and the other end is pressed against the temperature sensing element 8.
  • the electric heating body 7 is provided with a heating body through hole 72 at a position corresponding to the tray through hole 61.
  • the lower end of the temperature sensing element 8 extends from the hot body through hole 72, and the upper end thereof protrudes from the tray through hole 61; wherein the heating body passes through
  • a socket 10 is further disposed below the hole 72.
  • One end of the elastic member 9 is connected to the cap 10, and the other end presses the temperature sensing element 8.
  • the cap 10 is connected to the heat transfer tray 6 or the PTC heating element 7.
  • the elastic member 9 is a spring
  • the temperature sensing element 8 includes a cap-shaped outer casing 81 and a thermistor 82 mounted in the outer casing 81.
  • the upper end of the spring extends into the cap-shaped outer casing 81 and the cap-shaped outer casing 81
  • the inner wall of the spring is sleeved on the cap 10.
  • the electric heating element 7 is a pressing piece 71 that presses the PTC heating element 73 on the bottom of the thermal conductive tray 6.
  • the pressing piece 71 is provided with a concave portion 74, the PTC heating element 73 is placed on the concave portion 74, and the PTC heating element 73 and the thermal conductive tray are provided. 6
  • the bottom portion is abutted, and the pressing piece 71 is provided with a screw through hole 78.
  • the screw 75 passes through the screw through hole 78 and is screwed and fixed to the nut 77.

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

Abstract

一种微型电饭煲的感温元件安装结构，包括外锅(1)、内胆(2)和电加热装置(3)，外锅(1)内部设置有中层(4)，中层(4)设置有内腔(5)，电加热装置(3)设置在中层(4)的内腔(5)下部，电加热装置(3)包括导热托盘(6)和电发热体(7)，电发热体(7)连接在导热托盘(6)底部，还包括有感温元件(8)及其弹性件(9)，感温元件(8)通过弹性件(9)设置在内胆底壁(21)的下方，且感温元件(8)与内胆底壁(21)为弹性接触；该微型电饭煲的感温元件安装结构，具有结构简单、合理，感温元件安装和更换容易，可实时传输内胆的温度数据，实现多功能和智能化控制，而且内胆加热均匀，热量不易散失，提高热效率。

Description

微型电饭煲的感温元件安装结构 技术领域
本实用新型涉及一种微型电饭锅，特别是一种微型电饭煲的感温元件安装结构。
背景技术
现有的微型电饭煲，包括外锅、内胆和电加热装置，电加热装置为PTC发热体，PTC发热体固定在内胆底壁，即：内胆与PTC发热体为固定连接，内胆底壁还连接有突跳式的温控器；工作时，温控器直接感应内胆底壁温度，过热时断电保护；上述传统结构的微型电饭煲温控器连接结构，存在以下不足之处：(1)突跳式的温控器直接连接在内胆底壁，与内胆为固定接触，这既给温控器的安装造成一定烦琐，又不便于温控器的更换；(2)温控器一般只具备过热断电保护，或复位通电之作用，相当于一个“温控开关”，用户无法调整设定的温控数值，而且，这种温控器也无法实时将内胆的温度数据传输给控制装置，以实现电饭煲的多功能及智能化控制；(3)PTC发热体固定在内胆底壁，内胆不能取出，给使用造成一定不便；再有，内胆仅由底部PTC发热体加热(传热)，热量也容易往四周散失，故此，传统的PTC加热的电饭煲受热不均匀，热效率较低；更有的是，鉴于内胆周边热量容易散失，而加热又集中在内胆底部，内胆底壁温度过高，温控器则马上断电保护，容易造成食物未被煮熟，电饭煲就断电不工作。
实用新型内容
本实用新型的目的在于克服上述现有技术存在的不足，而提供一种结构简单、合理，感温元件安装和更换容易，可实时传输内胆的温度数据，实现多功能和智能化控制，而且内胆加热均匀，热量不易散失，明显提高热效率的微型电饭煲感温元件安装结构。
本发明的目的是这样实现的：
微型电饭煲的感温元件安装结构，包括外锅、内胆和电加热装置，所述外锅内部设置有中层，中层设置有内腔，电加热装置设置在中层的内腔下部，电加热装置包括导热托盘和电发热体，电发热体连接在导热托盘底部，其特征是，还包括有感温元件及其弹性件，感温元件通过弹性件设置在内胆底壁的下方，且感温元件与内胆底壁为弹性接触；此款微型电饭煲的感温元件安装结构，通过在外锅的内部设置中层，中层的内腔下部安装有导热托盘及其电发热体，并将内胆置于中层内腔的导热托盘上方，使热量集中在中层内腔，防止热量容易散失的同时，既使内胆受热均匀，又明显提高热效率；而且，感温元件实时监测内胆的温度数据，并将温度数据传输出去，以便控制装置依据温度数据，实现智能化控制，当然，使用这 种感温元件，可以根据不同的用户使用需要，调整控制装置的温度设定数值，实现煲体的多功能；如：煲汤、奶瓶保温等，用户可调整相应温度设定数值，利用感温元件实时监测和传输相关温度数据，由控制装置将实时的温度数据与设定数值作对比，实现智能化控制；更有的是，鉴于感温元件与内胆之间为弹性接触，既避免了两者因固定接触，造成内胆不能取出之不足，又保证内胆始终与感温元件保持良好的接触状态，而且，感温元件的安装简易、快捷，整个结构简单、合理。
本实用新型的目的还可以采用以下技术措施解决：
作为更具体的方案，所述电加热装置上设置有安装孔，感温元件设置在安装孔上，感温元件的感温部位凸出安装孔并与内胆底壁接触；鉴于微型电饭煲的体积较小，故此，内胆底壁面积也较小，通过在内胆底壁的电加热装置上开设安装孔，方便感温元件的安装设置，使产品的结构更紧凑、合理；而且，感温元件凸出安装孔、并与内胆弹性接触，使内胆与电加热装置靠近或接触的同时，保证感温元件与内胆有良好接触，实现内胆加热的温度准确监测。
作为进一步具体的方案，所述安装孔是电加热装置的导热托盘上的托盘通孔，感温元件设置在托盘通孔上；鉴于导热托盘与内胆底壁接近或接触，感温元件设置在托盘通孔上，可保证与内胆底部的良好接触。
作为更具体的方案，所述电发热体为PTC发热体，其结构包括有压片，压片对应托盘通孔位置设置有承台，弹性件一端连接承台，另一端顶压感温元件；也就是说，承台作为弹性件的下部支撑，使弹性件被稳定地设置在承台上。
作为另一实施方案，所述电发热体上对应托盘通孔位置开有发热体通孔，感温元件下端延伸出发热体通孔，其上端凸出托盘通孔；即：感温元件穿过发热体通孔和托盘通孔，以便感温元件在弹性件的弹性作用力下，可沿发热体通孔和托盘通孔，作上下移动。
作为上述实施方案的具体实施手段，所述发热体通孔下方还设置有承台，弹性件一端连接承台，另一端顶压感温元件；也就是说，承台作为弹性件的下部支撑，使弹性件被稳定地设置在承台上。
上述承台连接在导热托盘或电发热体，以保证承台的固定性。
当然，所述承台也可以是支柱，支柱下端连接外锅内部的底壁，支柱上端延伸至靠近感温元件，弹性件一端连接支柱上端，另一端顶压感温元件；这样，弹性件由支柱支撑，从而使感温元件具备弹性。
所述弹性件可以为弹簧，感温元件包括帽状体外壳，以及安装在外壳内的热敏电阻，弹簧上端伸延伸入帽状体外壳内并卡顶帽状体外壳的内壁，弹簧下端套定在承台上；热 敏电阻通过导热性较好的帽状外壳，实时监测内胆的温度，并将温度数据传输给控制装置。
作为进一步具体之方案，所述电发热体是压片将PTC发热件压置在导热托盘底部，压片上设置有凹部，PTC发热件置于凹部上、且PTC发热件与导热托盘底部相抵，使热量直接传递给导热托盘，然后由导热面积较大的导热托盘，将热量快速、全面地传递给内胆，且热量被集中在中层的内腔，防止热量容易散失，而且内胆在中层内腔受热较为均匀；压片上开有发热体通孔，螺杆穿过发热体通孔、并与发热体通孔下方的螺母螺接固定，以使导热托盘、压片和PTC发热件构成整体连接，即：构成所述电加热装置；这种整体连接，既有利于热量的快速和全面传递，又使结构更紧凑，尤其适合这种体积较小的微型电饭煲。
本实用新型的有益效果如下：
(1)此款微型电饭煲的感温元件安装结构，通过在外锅的内部设置中层，中层的内腔下部安装有导热托盘及其电发热体，并将内胆置于中层内腔的导热托盘上方，使热量集中在中层内腔，防止热量容易散失的同时，既使内胆受热均匀，又明显提高热效率；而且，感温元件实时监测内胆的温度数据，并将温度数据传输出去，以便控制装置依据温度数据，实现智能化控制，当然，使用这种感温元件，可以根据不同的用户使用需要，调整控制装置的温度设定数值，实现煲体的多功能；如：煲汤、奶瓶保温等，用户可调整相应温度设定数值，利用感温元件实时监测和传输相关温度数据，由控制装置将实时的温度数据与设定数值作对比，实现智能化控制；更有的是，鉴于感温元件与内胆之间为弹性接触，既避免了两者因固定接触，造成内胆不能取出之不足，又保证内胆始终与感温元件保持良好的接触状态，而且，感温元件的安装简易、快捷，整个结构简单、合理。
(2)再有，由于电发热件与导热托盘底部相抵，使热量直接传递给导热托盘，然后由导热面积较大的导热托盘，将热量快速、全面地传递给内胆，且热量被集中在中层的内腔，防止热量容易散失，且内胆在中层内腔受热较为均匀；另，导热托盘、压片和PTC发热件构成整体连接，这种整体连接，既有利于热量的快速和全面传递，又使结构更紧凑，尤其适合这种体积较小的微型电饭煲。
附图说明
图1为本实用新型微型电饭煲的感温元件安装结构示意图。
图2是图1的A处放大图。
图3为本实用新型的另一实施例示意图。
具体实施方式
下面结合附图及实施例对本发明作进一步描述。
实施例一：如图1和图2所示，微型电饭煲的感温元件安装结构，包括外锅1、内胆2和电加热装置3，所述外锅1内部设置有中层4，中层4设置有内腔5，电加热装置3设置在中层4的内腔5下部，电加热装置3包括导热托盘6和电发热体7，电发热体7连接在导热托盘6底部，其特征是，还包括有感温元件8及其弹性件9，感温元件8通过弹性件9设置在内胆底壁21的下方，且感温元件8与内胆底壁21为弹性接触。
所述电加热装置3上设置有安装孔，感温元件8设置在安装孔31上，感温元件8的感温部位83凸出安装孔并与内胆底壁21接触；图中所示，安装孔是电加热装置3的导热托盘6上的托盘通孔61，感温元件8设置在托盘通孔61上。
所述电发热体7上还包括有压片71，压片71对应托盘通孔位置设置有承台10，弹性件9一端连接承台10，另一端顶压感温元件8。
所述电发热体7上对应托盘通孔61位置开有发热体通孔72，感温元件8下端延伸出发热体通孔72，其上端凸出托盘通孔61；其中，所述发热体通孔72下方还设置有承台10，弹性件9一端连接承台10，另一端顶压感温元件8。
其中，所述承台10连接在导热托盘6或PTC发热体7。
所述弹性件9为弹簧，感温元件8包括帽状体外壳81，以及安装在外壳81内的热敏电阻82，弹簧上端伸延伸入帽状体外壳81内并卡顶帽状体外壳81的内壁，弹簧下端套定在承台10上。
所述电发热体7是压片71将PTC发热件73压置在导热托盘6底部，压片71上设置有凹部74，PTC发热件73置于凹部74上、且PTC发热件73与导热托盘6底部相抵，压片71上开有螺杆通孔78，螺杆75穿过螺杆通孔78、并与螺母77螺接固定。
实施例二：如图3所示，该实施方式与上述实施例一相近似，不同之处仅为：所述承台10是支柱，支柱下端连接外锅1内部的底壁，支柱上端延伸至靠近感温元件8，弹性件9一端连接支柱上端，另一端顶压感温元件8。

Claims (10)

  1. 微型电饭煲的感温元件安装结构，包括外锅(1)、内胆(2)和电加热装置(3)，所述外锅(1)内部设置有中层(4)，中层(4)设置有内腔(5)，电加热装置(3)设置在中层(4)的内腔(5)下部，电加热装置(3)包括导热托盘(6)和电发热体(7)，电发热体(7)连接在导热托盘(6)底部，其特征是，还包括有感温元件(8)及其弹性件(9)，感温元件(8)通过弹性件(9)设置在内胆底壁(21)的下方，且感温元件(8)与内胆底壁(21)为弹性接触。
  2. 根据权利要求1所述微型电饭煲的感温元件安装结构，其特征是，所述电加热装置(3)上设置有安装孔，感温元件(8)设置在安装孔上，感温元件(8)的感温部位(83)凸出安装孔并与内胆底壁(21)接触。
  3. 根据权利要求2所述微型电饭煲的感温元件安装结构，其特征是，所述安装孔是电加热装置(3)的导热托盘(6)上的托盘通孔(61)，感温元件(8)设置在托盘通孔(61)上。
  4. 根据权利要求3所述微型电饭煲的感温元件安装结构，其特征是，所述电发热体(7)上还包括有压片(71)，压片(71)对应托盘通孔(61)位置设置有承台(10)，弹性件(9)一端连接承台(10)，另一端顶压感温元件(8)。
  5. 根据权利要求3所述微型电饭煲的感温元件安装结构，其特征是，所述电发热体(7)上对应托盘通孔(61)位置开有发热体通孔(72)，感温元件(8)下端延伸出发热体通孔(72)，其上端凸出托盘通孔(61)。
  6. 根据权利要求5所述微型电饭煲的感温元件安装结构，其特征是，所述发热体通孔(72)下方还设置有承台(10)，弹性件(9)一端连接承台(10)，另一端顶压感温元件(8)。
  7. 根据权利要求6所述微型电饭煲的感温元件安装结构，其特征是，所述承台(10)连接在导热托盘(6)或电发热体(7)。
  8. 根据权利要求6所述微型电饭煲的感温元件安装结构，其特征是，所述承台(10)是支柱，支柱下端连接外锅(1)内部的底壁，支柱上端延伸至靠近感温元件(8)，弹性件(9)一端连接支柱上端，另一端顶压感温元件(8)。
  9. 根据权利要求4或7或8所述微型电饭煲的感温元件安装结构，其特征是，所述弹性件(9)为弹簧，感温元件(8)包括帽状体外壳(81)，以及安装在外壳(81)内的热敏电阻(82)，弹簧上端伸延伸入帽状体外壳(81)内并卡顶帽状体外壳(81)的内壁，弹簧下端套定在承台(10)上。
  10. [援引加入(细则20.6) 20.07.2016]　
    根据权利要求9所述微型电饭煲的感温元件安装结构，其特征是，所述电发热体(7)是压片（71)将PTC发热件（73)压置在导热托盘（6)底部，压片（71)上设置有凹部(74),PTC发热件（73)置于凹部（74)上、且PTC发热件（73)与导热托盘6底部相抵，压片（71)上开有螺杆通孔（78)，螺杆（75)穿过螺杆通孔（78)、并与螺母（77)螺接固定。
PCT/CN2016/079952 2015-06-19 2016-04-22 微型电饭煲的感温元件安装结构 WO2016202090A1 (zh)

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