JP5589966B2 - Electric kettle - Google Patents

Electric kettle Download PDF

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JP5589966B2
JP5589966B2 JP2011130857A JP2011130857A JP5589966B2 JP 5589966 B2 JP5589966 B2 JP 5589966B2 JP 2011130857 A JP2011130857 A JP 2011130857A JP 2011130857 A JP2011130857 A JP 2011130857A JP 5589966 B2 JP5589966 B2 JP 5589966B2
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heater
hot water
steam
power supply
handle
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JP2011245313A (en
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裕樹 伊藤
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Tiger Corp
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Description

本願発明は、内容器底部に湯沸しヒータを備え、簡易かつ速やかに湯沸しを行うことができる電気ケトルのヒータ部分の構成に関するものである。   The present invention relates to a configuration of a heater portion of an electric kettle that includes a water heater at the bottom of an inner container and can perform water boiling simply and quickly.

最近では、常時保温ヒータに通電して置くことが必要な電気ポットに代わって、内容器底部に湯沸しヒータを備え、必要に応じて簡易かつ速やかに湯沸しを行うことができるようにした電気ケトルが、省エネ性の高い湯沸し手段として重宝されている。   Recently, an electric kettle equipped with a water heater at the bottom of the inner container instead of an electric kettle that needs to be energized at all times, can be simply and quickly heated as needed. It is useful as a water heater with high energy saving performance.

このような電気ケトルは、一般に内容器と、該内容器を収納一体化した容器本体と、該容器本体の上端部一側に設けられた湯注出口と、上記容器本体の上方部にあって上記内容器上部の開口を閉じる着脱可能な蓋体と、上記容器本体の上端部側と下端部側とを連結する形で設けられた把手部と、上記内容器の底部に設けられた湯沸しヒータを含む電装品と、上記蓋体に設けられた蓋体上方への蒸気排出通路と、上記容器本体の把手部の上端部分に対応して設けられた沸騰検知センサとを備えて構成されており、上記容器本体内が沸騰状態になると、その蒸気を検知して上記沸騰検知センサが作動し、上記湯沸しヒータへの電源を自動的にOFFにするようになっている(例えば特許文献1を参照)。   Such an electric kettle is generally provided in an inner container, a container main body housing and integrating the inner container, a hot water outlet provided on one side of the upper end of the container main body, and an upper portion of the container main body. A detachable lid that closes the opening of the upper part of the inner container, a grip part provided in a form connecting the upper end part side and the lower end part side of the container body, and a water heater provided at the bottom part of the inner container Including an electrical component, a steam discharge passage above the lid provided in the lid, and a boiling detection sensor provided corresponding to the upper end portion of the handle portion of the container body. When the inside of the container body is in a boiling state, the boiling detection sensor is activated by detecting the steam, and the power to the water heater is automatically turned off (see, for example, Patent Document 1). ).

このように、従来の電気ケトルでは、蓋体が容器本体に対して着脱できるようになっていることから、通電の関係で蓋体に沸騰検知センサを設置することができない。そこで、容器本体の上記蓋体に対応する把手部上端位置に沸騰検知センサを設け、把手部内下方から延設した電源配線を介して同センサに通電するともに、沸騰時の同センサの作動によって上記湯沸しヒータへの電源を切るようにしている。   Thus, in the conventional electric kettle, since the lid can be attached to and detached from the container main body, the boiling detection sensor cannot be installed on the lid due to energization. Therefore, a boiling detection sensor is provided at the upper end position of the handle portion corresponding to the lid body of the container body, and the sensor is energized through a power supply wiring extending from the lower side in the handle portion, and the operation of the sensor during boiling causes the above-described operation. The power to the water heater is turned off.

すなわち、この沸騰検知センサへの電源の供給は、公知例ではないが、例えば図3の製品例に示すように、容器本体1(側壁1a)内において内容器3の底部に設けられている湯沸しヒータ4C、電源基板24,25、バイメタル26,27等の電装品23部分からの電源配線L1〜L3によってなされる。   That is, the supply of power to the boiling detection sensor is not a publicly known example, but, for example, as shown in the product example of FIG. 3, a water heater provided at the bottom of the inner container 3 in the container body 1 (side wall 1a). It is made by power supply wirings L1 to L3 from the electrical component 23 such as the heater 4C, the power supply boards 24 and 25, and the bimetals 26 and 27.

今内容器3は、例えば1枚板構造のステンレス製の有底円筒形状の筒体からなっており、その底部外周には、平面C字状の湯沸しヒータ4Cが周方向に延びて設けられている。   The inner container 3 is formed of, for example, a single-plate stainless steel bottomed cylindrical tube, and a flat C-shaped water heater 4C is provided on the outer periphery of the bottom so as to extend in the circumferential direction. Yes.

この場合、同湯沸しヒータ4Cは、中央部分4Bがフラットな伝熱性の良いヒータプレート4の外周に、断面逆台形状の下方側に所定の高さを有する同じく平面C字形のヒータ埋設用凸部4Aを形成し、同ヒータ埋設用凸部4A内に埋め込む形で設置されている。そして、その両端側(C字部の開放端側)には、電源リード線接続用のリード端子4a,4bが、上記ヒータ埋設用凸部4Aの両端から所定の長さ突出する形で設けられている。   In this case, the heater 4C has a flat C-shaped heater burying convex portion having a predetermined height on the lower side of the inverted trapezoidal cross section on the outer periphery of the heater plate 4 having a flat central portion 4B and good heat conductivity. 4A is formed and embedded in the heater embedding convex portion 4A. On both end sides (open end side of the C-shaped portion), lead terminals 4a and 4b for connecting the power supply lead wires are provided so as to protrude from the both ends of the heater embedding convex portion 4A by a predetermined length. ing.

一方、上記ヒータプレート4の下面側には、上記ヒータ埋設用凸部4Aの内周側に位置して、安全用のバイメタル26,27および受電用の棒状電極29、受電用のスリーブ状電極22b、スリーブ状の挿脱用ガイド筒22aよりなる筒体状の受電カプラ22を備えた電源基板24,25が設けられている。   On the other hand, on the lower surface side of the heater plate 4, located on the inner peripheral side of the heater-embedded convex portion 4A, safety bimetals 26 and 27, a power receiving rod-shaped electrode 29, and a power receiving sleeve-shaped electrode 22b. Power supply boards 24 and 25 each including a cylindrical power receiving coupler 22 including a sleeve-shaped insertion / removal guide cylinder 22a are provided.

これら電源基板24,25の把手部6側端部には、上記湯沸しヒータ4C両端の電源リード端子4a,4bを電源リード線L1,L2,L3により上記図示しない沸騰検知センサを介して接続するための電源コネクタ端子24a,25aが設けられている。そして、その内の電源コネクタ端子25aは、電源リード線L1を介して、上記把手部6内の配線空間6aを介して当該把手部6上端側の上述した沸騰検知センサのバイメタル部と接続され、同バイメタル部分から、再び電源リード線L2を介して同じく把手部6の配線空間6a内をユーターンして戻り、上記湯沸しヒータ4Cの一端側電源リード端子4bに接続されている。   The power supply terminals 4a and 4b at both ends of the water heater 4C are connected to the ends of the power supply boards 24 and 25 on the handle 6 side by power supply lead wires L1, L2 and L3 via the boiling detection sensor (not shown). Power connector terminals 24a and 25a are provided. The power connector terminal 25a is connected to the bimetal portion of the above-described boiling detection sensor on the upper end side of the handle portion 6 through the wiring space 6a in the handle portion 6 through the power lead L1. From the same bimetal portion, the inside of the wiring space 6a of the handle portion 6 is again turned back through the power lead L2, and is connected to the power lead terminal 4b on one end side of the water heater 4C.

また電源基板24側の電源コネクタ端子24aは、電源リード線L3を介して上記湯沸しヒータ4Cの他端側電源リード端子4aに接続されている。   The power connector terminal 24a on the power supply board 24 side is connected to the power supply lead terminal 4a on the other end side of the water heater 4C via a power supply lead L3.

特開2009−178525号公報JP 2009-178525 A

ところで、以上に述べたように、従来の電気ケトルでは、図3に示すように、電源基板24,25および湯沸しヒータ4C各々の電源端子24a,25a、4a,4b部分(以下、これらの裸の電源端子部分を総称して充電部と称する)が、把手部6の下端側容器本体底部1b内への開口部6cに対応(対向)して設けられており、そのような構成の場合、上述した把手部6の下端側下部面に上記蒸気排出ダクトの下端側開口部に対応して設けられている蒸気等排出口6b部分への蒸気および同蒸気の冷却による結露水が当該充電部に侵入する可能性がある。   By the way, as described above, in the conventional electric kettle, as shown in FIG. 3, the power supply terminals 24a, 25a, 4a, and 4b of the power supply boards 24 and 25 and the water heater 4C (hereinafter referred to as these naked ones). The power terminal portion is generically referred to as a charging portion) and is provided corresponding to (opposed to) the opening 6c into the lower end side container body bottom 1b of the handle portion 6. In such a configuration, The steam and the dew condensation water by cooling the steam enter the charging section, which is provided in the lower end side lower surface of the handle portion 6 corresponding to the lower end side opening of the steam discharge duct. there's a possibility that.

一方、かと言って、これを逆に把手部と反対側の湯注出口5b側に充電部を位置させると、今度は湯注出口5b部分から滴った湯が侵入する恐れが生じる。   On the other hand, if the charging unit is positioned on the side of the hot water pouring outlet 5b opposite to the handle portion on the contrary, hot water dripped from the hot water pouring outlet 5b may intrude.

そこで、この出願の発明では、上記湯沸しヒータを含む電装品への電源供給用の充電部を、上記湯注出口および把手部の何れにも対応しない周方向位置に離間させて配設することにより、同充電部に湯注出口および把手部下端側からの湯が共に侵入しないようにした電気ケトルを提供することを目的とするものである。 Therefore, in the invention of this application, the charging unit for supplying power to the electrical component including the hot water heater is disposed at a circumferential position that does not correspond to any of the hot water outlet and the handle part. An object of the present invention is to provide an electric kettle in which hot water from the hot water outlet and the lower end of the handle portion does not enter the charging portion.

本願発明は、上記の目的を達成するために、次のような課題解決手段を備えて構成されている。   In order to achieve the above object, the present invention is configured with the following problem solving means.

(1) 請求項1の発明
この発明の電気ケトルは、内容器と、該内容器を収納一体化した容器本体と、該容器本体の上端側と下端側とを連結する把手部と、上記容器本体の上部にあって上記内容器上部の開口を閉じる着脱可能な蓋体と、該蓋体に設けられた蒸気排出通路と、上記把手部の上端部内にあって上記蓋体の蒸気排出通路を通る蒸気の一部を導入する蒸気導入空間と、該蒸気導入空間に対応して設けられた沸騰検知センサと、上記容器本体の上記把手部と反対側の上端部に設けられた湯注出口と、上記内容器の底部に設けられ、その開放部両端を電源供給用の充電部とした平面C字形の湯沸しヒータとを備えるとともに、該平面C字形の湯沸しヒータは、底面側外周部から下方に向けて所定の高さ突出した平面C字形の凸部を有するヒータプレートの当該凸部内に埋設されているとともに、バイメタルを含む電装品が当該凸部内側のヒータプレート上に設置され、かつ当該凸部の開放部および上記湯沸しヒータを含む電装品部分への電源供給用の充電部が、上記湯注出口下端および上記把手部下端の何れにも対応しない周方向位置に配設され、上記湯注出口下端からの湯および把手部下端からの結露水が上記ヒータプレート凸部の開放部および上記湯沸しヒータを含む電装品部分への電源供給用の充電部に侵入しないように構成されていることを特徴としている。
(1) Invention of Claim 1 The electric kettle according to the present invention includes an inner container, a container body housing and integrating the inner container, a handle portion connecting the upper end side and the lower end side of the container body, and the container A detachable lid for closing the upper opening of the inner container at the top of the main body, a steam discharge passage provided in the lid, and a steam discharge passage of the lid within the upper end of the handle portion. A steam introduction space for introducing a part of the passing steam, a boiling detection sensor provided corresponding to the steam introduction space, and a hot water pouring outlet provided at an upper end portion of the container body opposite to the handle portion; , provided at the bottom of the inner container, together with and a kettle heater planar C-shape which is a charging unit for supplying power to the opening ends, kettle heater the plane C-shaped, downwardly from the bottom side outer peripheral portion It has a flat C-shaped convex part projecting a predetermined height toward Together are embedded in the protrusion of Tapureto, electrical components including the bimetal is disposed on the convex portion inside the heater plate, and the power supply of the open portion of the protrusions and the electric component parts including the kettle heater charging of use is disposed not corresponding circumferential positions in any of the water spout lower end and the handle portion the lower end, condensed water above the heater plate from the hot water and grip the lower end from the water spout lower end It is characterized in that it is configured not to enter a charging part for supplying power to an electrical component part including the open part of the convex part and the water heater.

この発明の構成では、容器本体の上部にあって内容器上部の開口を閉じる蓋体内には蒸気排出通路が設けられており、内容器内の湯の沸騰時には、内容器内の蒸気が同蒸気排出通路を介して外部に排出される。   In the structure of the present invention, a steam discharge passage is provided in the lid body that closes the opening of the upper part of the inner container and closes the upper opening of the inner container, and when the hot water in the inner container boils, the steam in the inner container It is discharged to the outside through the discharge passage.

一方、容器本体の上端側と下端側との間には、それらを連結する把手部が設けられており、上記把手部の上端部内には上記蓋体側の蒸気排出通路を通る蒸気の一部を導入する蒸気導入空間が設けられている。そして、該蒸気導入空間に対応して、さらに沸騰検知センサが設けられている。   On the other hand, a handle portion is provided between the upper end side and the lower end side of the container body, and a part of the steam passing through the steam discharge passage on the lid side is placed in the upper end portion of the handle portion. A steam introduction space for introduction is provided. A boiling detection sensor is further provided corresponding to the steam introduction space.

したがって、上記内容器内の湯が沸騰した時には、同把手部側蒸気導入空間の沸騰検知センサで沸騰が検知され、湯沸しヒータへの電源がOFFにされる。   Therefore, when the hot water in the inner container boils, the boiling detection sensor in the handle side steam introduction space detects the boiling, and the power to the hot water heater is turned off.

一方、同湯沸しヒータは、上記内容器の底部に設けられ、その開放部両端を電源供給用の充電部とした平面C字形のものにより構成されているが該平面C字形の湯沸しヒータは、上記内容器の底部にあって底面側外周部から下方に向けて所定の高さ突出した平面C字形の凸部を有するヒータプレートの当該凸部内に埋設されているとともに、バイメタルを含む電装品が当該凸部内側のヒータプレート上に設置され、かつ当該凸部の開放部および上記湯沸しヒータの電源供給部を含む電装品部分への電源供給用の充電部が、上記湯注出口下端および上記把手部下端の何れにも対応しない周方向位置に配設され、上記湯注出口下端からの湯および把手部下端からの結露水が上記ヒータプレート凸部の開放部および上記湯沸しヒータの電源供給部を含む電装品部分への電源供給用の充電部に侵入しないように構成されている。 On the other hand, the kettle heater is provided on the bottom of the inner container, are constituted by those of plane C-shaped with a charging portion of the opening ends for power supply, kettle heater the plane C-shaped, An electrical component including a bimetal is embedded in the convex portion of the heater plate having a flat C-shaped convex portion that protrudes downward from the bottom-side outer peripheral portion at the bottom of the inner container. A charging unit for supplying power to an electrical component part that is installed on the heater plate inside the convex part and includes the open part of the convex part and the power supply part of the water heater, the lower end of the hot water pouring outlet and the handle Disposed at the circumferential position not corresponding to any of the lower ends of the section, the hot water from the lower end of the hot water pouring outlet and the dew condensation water from the lower end of the handle section are the opening section of the heater plate convex section and the power supply section of the hot water heater It is configured so as not to penetrate into the charging unit for supplying power to electrical components moiety containing.

このような構成によると、同平面C字形の湯沸しヒータ開放端側の電源供給用充電部が、上述した容器本体の湯を注ぐ湯注出口および蒸気導入空間を有する把手部の何れの部分とも対応しなくなるので、同湯注出口下端部分からの湯および把手部下端部分からの結露水の湯沸しヒータの電源供給用充電部への侵入が確実に回避される。 According to such a configuration, the power supply charging unit on the open end side of the flat C-shaped water heater corresponds to any part of the handle having the hot water outlet and the steam introduction space for pouring hot water of the container body described above. since no longer, from entering the power supply charging unit and the hot water boiling condensed water from the hot water and grip the lower end portion from the water spout lower end portion heater is reliably avoided.

しかも、該平面C字形の湯沸しヒータは、上記内容器の底部にあって底面側外周部から下方に向けて所定の高さ突出した平面C字形の凸部を有するヒータプレートの当該凸部内に埋設されて防水されており、さらにバイメタルを含む湯沸しヒータ以外の電装品は当該ヒータプレート凸部内側のヒータプレート上に設置され、当該ヒータプレートの凸部に囲まれることによって、蒸気や水の侵入から防護されている。Moreover, the flat C-shaped water heater is embedded in the convex portion of the heater plate having a flat C-shaped convex portion that protrudes downward from the outer peripheral portion on the bottom surface side at the bottom of the inner container. In addition, the electrical components other than the water heater including the bimetal are installed on the heater plate inside the heater plate convex portion, and surrounded by the heater plate convex portion, thereby preventing intrusion of steam and water. Protected.

また、それに加えて、当該ヒータプレート凸部の開放部および上記湯沸しヒータの電源供給部を含む上記バイメタル等電装品部分への電源供給用の充電部が、上記のように湯注出口下端および上記把手部下端の何れにも対応しない周方向位置に配設されている。In addition, the charging part for supplying power to the electrical component parts such as the bimetal including the opening part of the heater plate convex part and the power supply part of the water heater is as described above, It is disposed at a circumferential position that does not correspond to any of the lower ends of the handle portion.

したがって、上記湯沸しヒータの電源供給部はもちろん、上記バイメタル等ヒータプレート上の電装品部分への電源供給用の充電部および同電装部品部分自体への結露水の侵入がより確実に回避されるようになる。Therefore, intrusion of dew condensation water not only to the power supply portion of the water heater but also to the charging portion for supplying power to the electrical component part on the heater plate such as the bimetal and the electrical component part itself can be avoided more reliably. become.

しかも、これらヒータプレート凸部の開放部および湯沸しヒータの電源供給部を含む電装品部分への電源供給用の充電部の上記湯注出口下端および上記把手部下端の何れにも対応しない周方向位置への配設は、上述のように、平面C字形の湯沸しヒータが、上記内容器の底部にあって底面側外周部から下方に向けて所定の高さ突出した平面C字形の凸部を有するヒータプレートの当該凸部内に埋設されており、またバイメタルを含む湯沸しヒータ以外の電装品が当該ヒータプレートの凸部内側のヒータプレート上に設置されていることから、ヒータプレートの全体を内容器の底部中心を軸心として、左右何れかの方向に必要な角度回転させるだけで、容易に実現することができる。Moreover, a circumferential position that does not correspond to any of the lower end of the hot water pouring outlet and the lower end of the handle portion of the charging portion for supplying power to the electrical component part including the opening portion of the heater plate convex portion and the power supply portion of the water heater. As described above, the flat C-shaped water heater has a flat C-shaped convex portion that protrudes downward from the outer peripheral portion on the bottom surface side by a predetermined height at the bottom of the inner container. Since the electrical components other than the water heater including the bimetal are embedded on the heater plate inside the convex portion of the heater plate, the entire heater plate is embedded in the convex portion of the heater plate. This can be easily realized by simply rotating the center of the bottom part at a necessary angle in either the left or right direction.

以上の結果、本願発明によれば、内容器底部の湯沸しヒータの充電部を含む電装品充電部への湯や結露水の侵入を確実に回避することが可能となり、電気ケトルの安全性、信頼性が向上する。 As a result of the above, according to the present invention, it is possible to reliably avoid the entry of hot water and condensed water into the electrical component charging part including the charging part of the water heater at the bottom of the inner container, and the safety and reliability of the electric kettle Improves.

本願発明の実施の形態に係る電気ケトルの蓋閉状態における全体的な構造を示す縦断面図である。It is a longitudinal cross-sectional view which shows the whole structure in the lid closed state of the electric kettle which concerns on embodiment of this invention. 同電気ケトルの内容器底部における電源装置部分の配線構造等を示す底面図である。It is a bottom view which shows the wiring structure etc. of the power supply device part in the inner container bottom part of the same electric kettle.


従来の電気ケトルの内容器底部における電源装置部分の配線構造等を示す底面図である。It is a bottom view which shows the wiring structure etc. of the power supply device part in the inner container bottom part of the conventional electric kettle.

以下、添付の図面を参照して、本願発明の電気ケトルの実施の形態について説明する。   Embodiments of an electric kettle according to the present invention will be described below with reference to the accompanying drawings.

先ず図1および図2には、本願発明の実施の形態にかかる電気ケトル本体の全体的な構成およびその内容器底部のヒータ部を含む電装品部分の構成が示されている。   First, FIG. 1 and FIG. 2 show the overall configuration of the electric kettle body according to the embodiment of the present invention and the configuration of the electrical components including the heater portion at the bottom of the inner container.

(電気ケトル本体部の構成)
この実施の形態の電気ケトルは、先ず図1に示すように、内側に貯湯用の内容器3を備えた容器本体1と、該容器本体1の上部側開口部を開閉する蓋体2と、上記内容器3を湯沸し時において加熱する加熱手段である平面C字形の湯沸しヒータ4Cと、上記内容器3内の湯を外部へ給湯するための湯注出口5bと、上記容器本体1の背部に上端側から下端側に延びる状態で取り付けられた側面コ字形の把手部6とを備えて構成されている。
(Configuration of electric kettle body)
As shown in FIG. 1, the electric kettle of this embodiment first includes a container body 1 provided with an inner container 3 for hot water storage inside, a lid body 2 that opens and closes an upper side opening of the container body 1, A flat C-shaped water heater 4C, which is a heating means for heating the inner container 3 during boiling, a hot water outlet 5b for supplying hot water in the inner container 3 to the outside, and a back of the container body 1 A side U-shaped handle portion 6 attached in a state extending from the upper end side to the lower end side is configured.

容器本体1は、底部1bを備えた合成樹脂製の円筒状ケース1aよりなり、その上端1c側周囲に設けられた合成樹脂製の環状の肩部材1Cを介して、上記内容器3を支持一体化している。   The container body 1 includes a synthetic resin cylindrical case 1a having a bottom 1b, and supports and supports the inner container 3 via a synthetic resin annular shoulder member 1C provided around the upper end 1c. It has become.

内容器3は、例えば1枚板構造のステンレス製の有底円筒形状の筒体からなっており、その底部3a外周に、上記湯沸しヒータ4Cが周方向に延びて設けられている。   The inner container 3 is made of, for example, a single-plate stainless steel bottomed cylindrical tube, and the water heater 4C is provided on the outer periphery of the bottom 3a so as to extend in the circumferential direction.

この場合、同湯沸しヒータ4Cは、中央部分4Bがフラットな伝熱性の良いヒータプレート4の外周に断面逆台形状の下方側に所定の高さを有する平面C字形のヒータ埋設用凸部4Aを形成し、同ヒータ埋設用凸部4A内に埋め込む形で設置されている。そして、その両端側には、電源配線である電源リード線接続用の電源リード端子4a,4bが、上記ヒータ埋設用凸部4Aの両端から所定の長さ突出する形で設けられている。   In this case, the hot water heater 4C has a flat C-shaped heater burying convex portion 4A having a predetermined height on the lower side of the inverted trapezoidal cross section on the outer periphery of the heater plate 4 having a flat central portion 4B and good heat conductivity. The heater is embedded in the heater embedded convex portion 4A. Power supply lead terminals 4a and 4b for connecting power supply lead wires, which are power supply wirings, are provided on both end sides so as to protrude from both ends of the heater embedding convex portion 4A by a predetermined length.

一方、上記ヒータプレート4の下面側には、上記ヒータ埋設用凸部4Aの内周側に位置して、空焚き検知のための安全用のバイメタル26,27および受電用の棒状電極29、スリーブ状電極22b、スリーブ状の挿脱用ガイド筒22aよりなる筒体状の受電カプラ22を備えた電源基板24,25が設けられている。   On the other hand, on the lower surface side of the heater plate 4 are positioned on the inner peripheral side of the heater embedding convex portion 4A, and safety bimetals 26 and 27 for detecting whirling, a rod electrode 29 for receiving power, and a sleeve Power supply boards 24 and 25 each having a cylindrical power receiving coupler 22 including a cylindrical electrode 22b and a sleeve-shaped insertion / removal guide cylinder 22a are provided.

これら電源基板24,25の上記把手部6側端部には、上記湯沸しヒータ4C両端の電源リード端子4a,4bとリード線L1,L2,L3を介して接続するための電源コネクタ端子24a,25aが設けられている。そして、その内の電源コネクタ端子25aは、電源配線である電源リード線L1を介して、把手部6内の配線空間6aを介して把手部6上端側の操作レバースイッチ7の開閉接点7a、沸騰検知センサ10のバイメタル開閉接点部とそれぞれ直列な関係で接続され、同バイメタルの開閉接点部分からは電源配線であるリード線L2を介して同じく把手部6内の配線空間6a内をユーターンして湯沸しヒータ4Cの一端側電源リード端子4bに接続されている。   The power supply board terminals 24a and 25a are connected to the power supply lead terminals 4a and 4b at both ends of the water heater 4C and lead wires L1, L2 and L3 at the ends of the power supply boards 24 and 25 on the handle 6 side. Is provided. The power connector terminal 25a therein includes a power supply lead L1 which is a power supply wiring, a wiring space 6a in the handle portion 6 and an open / close contact 7a of the operation lever switch 7 on the upper end side of the handle portion 6. The bimetal switch contacts of the detection sensor 10 are connected in series with each other. From the switch contacts of the bimetal, the inside of the wiring space 6a in the handle 6 is similarly turned on via the lead wire L2 which is a power supply wiring. The heater 4C is connected to one end side power supply lead terminal 4b.

また電源基板24側の電源コネクタ端子24aは、電源配線である電源リード線L3を介して上記湯沸しヒータ4Cの他端側電源リード端子4aに接続されている。   The power connector terminal 24a on the power supply board 24 side is connected to the power supply lead terminal 4a on the other end side of the water heater 4C through a power supply lead L3 which is a power supply wiring.

他方、符号20は卓上型の電源台であり、その中央部には、上記スリーブ構造の受電カプラ22内に嵌合される同じくスリーブ構造の給電カプラ21が所定の高さ突出して設けられている一方、裏面側にはAC電源コードの収納部20aが設けられている。   On the other hand, reference numeral 20 denotes a table-type power supply stand, and a power supply coupler 21 of the same sleeve structure that is fitted into the power reception coupler 22 of the sleeve structure is provided at the center portion so as to protrude by a predetermined height. On the other hand, an AC power cord storage portion 20a is provided on the back side.

給電カプラ21は、上記スリーブ状のガイド筒22aに対応して、その内側に摺動可能に嵌合されるガイド筒21aと、該ガイド筒21aの内周側にあって、上記スリーブ状電極22bの内側にブラシ構造の電極を介して嵌合接触するスリーブ状電極21bと、該スリーブ状電極21bの内側にあって、上記受電カプラ22側の棒状電極29が挿入される軸筒状電極21cとからなっており、上記電源コード収納部20aのAC電源コードがAC電源に接続されると、上記電源台20側給電カプラ21を介して上記容器本体1側受電カプラ22にAC電源が供給され、さらに同受電カプラ22を介して上述の電源基板24,25の電源回路に電源が供給される。   The power supply coupler 21 corresponds to the sleeve-shaped guide tube 22a, is slidably fitted inside the guide tube 21a, and is provided on the inner peripheral side of the guide tube 21a, and the sleeve-shaped electrode 22b. A sleeve-like electrode 21b fitted and contacted via a brush-structured electrode inside, and a shaft-like cylindrical electrode 21c inside the sleeve-like electrode 21b into which the rod-like electrode 29 on the power receiving coupler 22 side is inserted. When the AC power cord of the power cord storage portion 20a is connected to the AC power, the AC power is supplied to the container body 1 side power receiving coupler 22 via the power base 20 side power feeding coupler 21, Further, power is supplied to the power supply circuits of the power supply boards 24 and 25 through the power receiving coupler 22.

その結果、同電源回路を介して、さらに上記湯沸しヒータ4C、空焚き検知のための安全用バイメタル26,27、沸騰検知センサ10などに電源が供給されることになる。   As a result, power is further supplied to the water heater 4C, the safety bimetals 26 and 27 for detecting the emptying, the boiling detection sensor 10 and the like via the power supply circuit.

(蓋体の構成)
蓋体2は、合成樹脂製の上板2aと該上板2aに対して外周縁が結合された合成樹脂製の下板2bと、その下方の内カバー2cからなっており、上記肩部材1c内側の開口部に対して上下方向に着脱自在に嵌合されている。
(Structure of the lid)
The lid 2 includes a synthetic resin upper plate 2a, a synthetic resin lower plate 2b having an outer peripheral edge coupled to the upper plate 2a, and an inner cover 2c below the synthetic resin upper plate 2a. The inner opening is detachably fitted in the vertical direction.

上記上板2aおよび下板2b間の空間は、必要に応じて断熱材を充填した断熱構造体に形成されるとともに、下板2bの一部には、下方から上方に向けて凹んだ蒸気パイプの収納部が設けられている。そして、同収納部内に収納設置された蒸気パイプには、下方側内カバー2cの蒸気導入口部2dから上方側蒸気排出口11cに向けて相互にジグザグ構造に連通した蒸気排出通路11a〜11cが形成されている。そして、同蒸気排出通路11a〜11c下部の蒸気導入口部2d内には、転倒止水弁12が設置されている。   The space between the upper plate 2a and the lower plate 2b is formed in a heat insulating structure filled with a heat insulating material as necessary, and a steam pipe recessed from below to above is formed in a part of the lower plate 2b. The storage part is provided. The steam pipes stored and installed in the storage section have steam discharge passages 11a to 11c communicating with each other in a zigzag structure from the steam inlet port portion 2d of the lower inner cover 2c toward the upper steam outlet port 11c. Is formed. And the fall stop water valve 12 is installed in the steam inlet 2d below the steam discharge passages 11a to 11c.

また、それらの内の中間に位置する上記蒸気排出通路11b部分は、さらに把手部6の上端側沸騰検知センサ10を設けた沸騰検知用の蒸気導入空間11f部分に蒸気を分流させるための蒸気分流通路11d,11fが背面方向から下方に向けて設けられている。   In addition, the steam discharge passage 11b located in the middle of them is a steam component for diverting steam to the steam detection space 11f for detecting boiling provided with the upper end boiling detection sensor 10 of the handle portion 6. Flow passages 11d and 11f are provided downward from the back surface direction.

そして、把手部6側蒸気導入空間11fの例えば上壁面側に設けられたバイメタル部分の作動により内容器3内の湯の沸とうを検知して、上記湯沸しヒータ4Cへの電源の供給を遮断する。   Then, the operation of a bimetal portion provided on, for example, the upper wall surface of the handle 6 side steam introduction space 11f detects the boiling of hot water in the inner container 3, and shuts off the supply of power to the hot water heater 4C. .

一方、このようにして沸騰検知用の蒸気導入空間11fに蒸気を導入するようにすると、同部分に導入した蒸気を外部に排出することが必要であり、また該部分で結露水を生じることにもなるので、これを外部に排出することが必要になる。   On the other hand, when steam is introduced into the steam introduction space 11f for detecting boiling in this way, it is necessary to discharge the steam introduced into the same portion to the outside, and the condensed water is generated in the portion. Therefore, it is necessary to discharge this to the outside.

そこで、上述した把手部6に対応する容器本体1側筒状の側壁部1a内側には、上記蒸気導入空間11f底部から把手部6下端の蒸気および結露水排出口6bに到る蒸気等排出ダクト13が設けられており、同蒸気等排出ダクト13内の蒸気等排出通路(ストレート部11g、後方への曲成部11a)を介して、蒸気および生じた結露水が把手部6の下部から背面方向に向けて排出されるようになっている。   Therefore, a steam discharge duct that reaches the steam and the dew condensation water discharge port 6b from the bottom of the steam introduction space 11f to the lower end of the handle 6 and inside the container main body 1 side cylindrical side wall 1a corresponding to the handle 6 described above. 13, steam and generated dew condensation water from the lower part of the handle part 6 to the rear side through the steam etc. discharge passage (straight part 11 g, rearward bent part 11 a) in the steam etc. discharge duct 13. It is designed to be discharged in the direction.

また、一方符号8は、湯の注出状態をロック・アンロックする機械式のロック・アンロックスイッチであり、同ロック・アンロックスイッチ8が付勢スプリング8bの反発力に抗して下方側に押し下げられると、弁体部材8aが所定ストローク下方に押し下げられ、蓋体2側と容器本体1の湯注出口5b側との間の湯注出通路5aを開放し、内容器3内の湯の注出を可能とする。   Reference numeral 8 denotes a mechanical lock / unlock switch that locks / unlocks the hot water pouring state. The lock / unlock switch 8 is located on the lower side against the repulsive force of the urging spring 8b. The valve body member 8a is pushed downward by a predetermined stroke to open the hot water pouring passage 5a between the lid 2 side and the hot water pouring outlet 5b side of the container body 1, and the hot water in the inner container 3 is pushed. Can be dispensed.

(蒸気および結露水の侵入防水構造)
ところで、すでに述べたように、従来の電気ケトルでは、前述の図3に示すように、電源基板24,25および湯沸しヒータ4C各々の電源端子24a,25a、4a,4b部分すなわち充電部が、把手部6の下端側容器本体1の底部1b内への開口部6cに対応して設けられており、そのような構成の場合、上述した蒸気等排出ダクト13下端側の蒸気等排出口6b部分からの蒸気および結露水が当該充電部に侵入する可能性がある。
(Invasion and waterproof structure of steam and condensed water)
By the way, as described above, in the conventional electric kettle, as shown in FIG. 3 described above, the power supply terminals 24a, 25a, 4a, 4b of each of the power supply boards 24, 25 and the water heater 4C, that is, the charging part, It is provided corresponding to the opening 6c into the bottom 1b of the lower end side container body 1 of the part 6, and in such a configuration, from the steam outlet port 6b on the lower end side of the steam outlet duct 13 described above. There is a possibility that the steam and dew condensation water may enter the live part.

そこで、この実施の形態では、上記バイメタル26,27を含む電源基板24,25および湯沸しヒータ4Cを含むヒータプレート4A,4B等電装品23の全体を図3に示す把手部6下端の開口6cに対応した位置(従来)から、図2に示す把手部6の下端側開口6cから離れた同開口6cに対応しない周方向位置に離間させることにより、同電装品23の充電部が上記把手部6の下端側開口6cと全く対応しないように構成している。   Therefore, in this embodiment, the power supply boards 24 and 25 including the bimetals 26 and 27 and the electric components 23 such as the heater plates 4A and 4B including the water heater 4C are formed in the opening 6c at the lower end of the handle 6 shown in FIG. By separating from the corresponding position (conventional) to a circumferential position not corresponding to the opening 6c apart from the lower end side opening 6c of the handle portion 6 shown in FIG. It is comprised so that it may not correspond at all with the lower end side opening 6c.

このような構成によると、電源基板24,25および湯沸しヒータ4C等電装品23のの充電部が、把手部6下端側開口6cから離れ、相互に対向しなくなるので、同把手部6下端側開口6cからの蒸気および結露水の侵入が確実に回避される。   According to such a configuration, the charging parts of the power supply boards 24 and 25 and the electric component 23 such as the water heater 4C are separated from the lower end side opening 6c of the handle part 6 and do not face each other. Invasion of steam and condensed water from 6c is reliably avoided.

特に、上述の構成では、上記のように同電装品23の充電部が、電源基板24,25、湯沸しヒータプレート4の全体を内容器3の底部中心を軸心として、例えば右回り方向に略25〜45度回転させることによって、把手部6の下端側開口部対応する位置から対応しない位置に偏位させ、把手部6の下端側開口6cと対応する部分には、ヒータプレート4外周の断面逆台形状の高さが高いヒータ埋設用凸部4Aの外周壁面が対向するようにしているので、同壁面が防水壁として蒸気および水の侵入を確実に阻止するようになり、より蒸気および結露水が侵入しにくくなる。   In particular, in the above-described configuration, as described above, the charging unit of the electrical component 23 is substantially the same as, for example, in the clockwise direction, with the power supply boards 24 and 25 and the water heater plate 4 as a whole centered on the bottom center of the inner container 3. By rotating 25 to 45 degrees, the grip portion 6 is displaced from a position corresponding to the lower end side opening portion to a position not corresponding to the lower end side opening 6 c of the handle portion 6. Since the outer peripheral wall surface of the heater-embedded convex portion 4A having a high inverted trapezoidal shape faces each other, the wall surface acts as a waterproof wall to reliably prevent the intrusion of steam and water. Water becomes difficult to enter.

また、他方同構成の場合、上記電装品23の充電部は、図2に示されるように、把手部6の開口6c端と湯注出口5b先端との間の中間部位置よりも把手部6側に位置していることから、容器本体1前端側の湯注出口5b部分からも十分に離間した部分に位置することになり(前後方向の寸法a=b参照)、しかも湯注出口5a方向には、上述の把手部6の場合と同様に、ヒータプレート4の断面逆台形状のヒータ埋設用凸部4Aが対向することになるので、やはり水が侵入しにくい。   On the other hand, in the case of the same configuration, as shown in FIG. 2, the charging part of the electrical component 23 has a handle part 6 rather than an intermediate part position between the opening 6c end of the handle part 6 and the end of the hot water outlet 5b. Since it is located on the side, it is located in a portion sufficiently separated from the hot water outlet 5b portion on the front end side of the container body 1 (see dimension a = b in the front-rear direction), and in the direction of the hot water outlet 5a. In the same manner as in the case of the handle portion 6 described above, the heater embedding convex portion 4A having the inverted trapezoidal cross section of the heater plate 4 is opposed to the water, so that it is difficult for water to enter.

さらに、同構成では、同充電部を回転角で略25〜45度程度回動させれば足りるので、沸騰検知センサ10や操作スイッチ7側への電源配線(リード線)の長さも殆んど長くしなくて済む。   Further, in this configuration, it is sufficient to rotate the charging unit by approximately 25 to 45 degrees with a rotation angle, so that the length of the power supply wiring (lead wire) to the boiling detection sensor 10 and the operation switch 7 side is almost the same. It doesn't have to be long.

1は容器本体、2は蓋体、3は内容器、3aは底部、4はヒータプレート、4Aはヒータ埋設用凸部、4a,4bは電源リード端子、4Bはフラットな中央部、4Cは湯沸しヒータ、5aは湯注出口、5bは湯注出通路、6は把手部、6aは配線空間、6bは蒸気等排出口、21は給電カプラ、22は受電カプラ、24,25は電源基板、24a,24bは電源コネクタ端子、26,27はバイメタル、L1〜L3は電源リード線である。   1 is a container body, 2 is a lid, 3 is an inner container, 3a is a bottom part, 4 is a heater plate, 4A is a heater embedding convex part, 4a and 4b are power supply lead terminals, 4B is a flat central part, and 4C is a water heater. Heater, 5a is a hot water pouring outlet, 5b is a hot water pouring passage, 6 is a handle portion, 6a is a wiring space, 6b is a discharge port for steam, 21 is a feeding coupler, 22 is a power receiving coupler, 24 and 25 are power supply boards, 24a 24b are power connector terminals, 26 and 27 are bimetals, and L1 to L3 are power lead wires.

Claims (1)

内容器と、該内容器を収納一体化した容器本体と、該容器本体の上端側と下端側とを連結する把手部と、上記容器本体の上部にあって上記内容器上部の開口を閉じる着脱可能な蓋体と、該蓋体に設けられた蒸気排出通路と、上記把手部の上端部内にあって上記蓋体の蒸気排出通路を通る蒸気の一部を導入する蒸気導入空間と、該蒸気導入空間に対応して設けられた沸騰検知センサと、上記容器本体の上記把手部と反対側の上端部に設けられた湯注出口と、上記内容器の底部に設けられ、その開放部両端を電源供給用の充電部とした平面C字形の湯沸しヒータとを備えるとともに、該平面C字形の湯沸しヒータは、底面側外周部から下方に向けて所定の高さ突出した平面C字形の凸部を有するヒータプレートの当該凸部内に埋設されているとともに、バイメタルを含む電装品が当該凸部内側のヒータプレート上に設置され、かつ当該凸部の開放部および上記湯沸しヒータを含む電装品部分への電源供給用の充電部が、上記湯注出口下端および上記把手部下端の何れにも対応しない周方向位置に配設され、上記湯注出口下端からの湯および把手部下端からの結露水が上記ヒータプレート凸部の開放部および上記湯沸しヒータを含む電装品部分への電源供給用の充電部に侵入しないように構成されていることを特徴とする電気ケトル。 An inner container, a container main body housing and integrating the inner container, a handle portion connecting the upper end side and the lower end side of the container main body, and an attachment / detachment for closing the upper opening of the inner container at the upper part of the container main body A possible lid, a steam discharge passage provided in the lid, a steam introduction space for introducing a part of the steam in the upper end portion of the handle and passing through the steam discharge passage of the lid, and the steam A boiling detection sensor provided corresponding to the introduction space, a hot water pouring outlet provided at the upper end of the container body on the side opposite to the handle part, and provided at the bottom of the inner container, both ends of the open part together and a kettle heater planar C-shape which is a charging unit for power supply, kettle heater the plane C-shaped, the convex portion of the plane C-shape that protrudes a predetermined height downward from the bottom side outer peripheral portion And embedded in the convex portion of the heater plate The electrical equipment containing the bimetal is disposed on the convex portion inside the heater plate, and the charging unit for supplying power to the electric component part opening of the convex portion and including the kettle heater, the hot water spout Disposed at a circumferential position that does not correspond to any of the lower end and the lower end of the handle portion, hot water from the lower end of the hot water pouring outlet and condensed water from the lower end of the handle portion are used to open the opening portion of the heater plate convex portion and the hot water heater . An electric kettle configured so as not to enter a charging portion for supplying power to an electrical component portion including the electric kettle.
JP2011130857A 2011-06-13 2011-06-13 Electric kettle Expired - Fee Related JP5589966B2 (en)

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