JP2749386B2 - Electric water heater - Google Patents
Electric water heaterInfo
- Publication number
- JP2749386B2 JP2749386B2 JP1205335A JP20533589A JP2749386B2 JP 2749386 B2 JP2749386 B2 JP 2749386B2 JP 1205335 A JP1205335 A JP 1205335A JP 20533589 A JP20533589 A JP 20533589A JP 2749386 B2 JP2749386 B2 JP 2749386B2
- Authority
- JP
- Japan
- Prior art keywords
- cover
- lower cover
- switch
- container
- wiring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Cookers (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、一般家庭などで使用される電気湯沸し器に
関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric water heater used in ordinary households and the like.
従来の技術 従来のこの種電気湯沸し器としては、例えば第3図に
示すように構成されたものが知られている。すなわち、
この図面に示される電気湯沸し器は、金属からなる円筒
状の器体1の上方の表示板2の内部に設けた基板3、あ
るいは図示しないが器体1の下端内部に設けた基板に取
付けたスイッチ4や発光ダイオード5で操作や表示をし
ており、これらを駆動するマイコン6などは、器体1の
内部に支持した容器7の下に設けた別の基板8に取付け
られ、前記量基板3,8間を複数本のリード線9で接続し
ていた。2. Description of the Related Art As a conventional electric water heater of this type, for example, a structure as shown in FIG. 3 is known. That is,
The electric water heater shown in this drawing is attached to a substrate 3 provided inside a display panel 2 above a cylindrical body 1 made of metal, or a substrate (not shown) provided inside the lower end of the body 1. The operation and display are performed by the switch 4 and the light emitting diode 5, and the microcomputer 6 and the like for driving them are mounted on another substrate 8 provided below the container 7 supported inside the body 1. The leads 3 and 8 were connected by a plurality of lead wires 9.
発明が解決しようとする課題 このような従来の構成においては、基板3,8を別々に
製作し、しかもこれらを支持する部材を必要とするため
に、全体として構成が複雑でコストアップの要因となっ
ており、さらに、別々に設けた両基板3,8を接続するた
めのリード線9を必要とすることから、接続箇所で接続
不良を起こすなどの課題があった。Problems to be Solved by the Invention In such a conventional configuration, since the substrates 3 and 8 are separately manufactured and a member for supporting them is required, the configuration is complicated as a whole, and a factor of cost increase. In addition, since the lead wires 9 for connecting the two substrates 3 and 8 separately provided are required, there is a problem that a connection failure occurs at a connection portion.
本発明は、上記課題を解決し得る電気湯沸し器の提供
を目的とする。An object of the present invention is to provide an electric water heater that can solve the above problems.
課題を解決するための手段 この課題を解決するために本発明は、円筒状器体内に
ヒータ付容器を設け、この容器の下方で器体内の下端開
口部を皿状の下カバーで覆い、この下カバーと容器との
間の空間に、電子部品を一方に、発光ダイオードおよび
スイッチを他方にそれぞれ配設した基板を位置させ、か
つこれら電子部品、発光ダイオードおよびスイッチは配
線カバーで包囲するとともに、配線カバーを下カバー側
面の穴に臨ませて下カバー内面に係止させ、さらに下カ
バーに設けたピンにより配線カバーを下カバーの内面に
付勢し、配線カバーを介して前記基板と下カバーとを一
体化したものである。Means for Solving the Problems In order to solve this problem, the present invention provides a container with a heater inside a cylindrical container, covers the lower end opening of the container with a dish-shaped lower cover below the container, In the space between the lower cover and the container, a substrate on which the electronic components are arranged on one side and the light emitting diode and the switch are arranged on the other is located, and these electronic components, the light emitting diode and the switch are surrounded by a wiring cover, The wiring cover faces the hole on the side surface of the lower cover and is locked to the inner surface of the lower cover. Further, the wiring cover is urged to the inner surface of the lower cover by a pin provided on the lower cover, and the substrate and the lower cover are connected via the wiring cover. Are integrated.
作用 上記構成によれば、電気湯沸し器の器体の下端開口部
を覆う下カバーに対し、これに設けたピンにより配線カ
バーおよび基板を一体化して、配線カバーおよび基板を
下カバーの内面に常に付勢することでスイッチの操作精
度の向上を図り、電子部品、発光ダイオードおよびスイ
ッチは配線カバーで包囲されているところから、水など
がかかることがなく、また、従来のように、分割してい
た各基板間を接続するリード線やコネクターなどが不要
となり、従って、製品の信頼性が著しく向上し、極めて
簡素で合理的な構成となって、コストダウンを図ること
ができる。Operation According to the above configuration, the wiring cover and the board are integrated with the lower cover covering the lower opening of the body of the electric water heater by the pins provided on the lower cover, and the wiring cover and the board are always attached to the inner surface of the lower cover. By energizing the switch, the operation accuracy of the switch is improved.Electronic components, light emitting diodes and switches are surrounded by a wiring cover, so that they are not exposed to water, etc., and are divided as in the past. This eliminates the need for lead wires and connectors for connecting the substrates, thus significantly improving the reliability of the product, achieving a very simple and rational configuration, and reducing costs.
また、操作用のスイッチを器体の下端近傍に設けるこ
とにより、スイッチが器体の上端に設けられている場合
に比べて、スイッチの操作時の安定性が向上し、従っ
て、器体の転倒などの危険性を防止できる。In addition, by providing the operation switch near the lower end of the body, the stability at the time of operating the switch is improved as compared with the case where the switch is provided at the upper end of the body, and therefore, the body is overturned. Danger such as can be prevented.
実施例 以下、本発明の一実施例について、図面に基づいて説
明する。Embodiment Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
第1図および第2図において、ステンレスなどの薄板
で形成した円筒状の容器11は、同じく円筒状の器体12の
内部に支持されている。前記容器11の底面は、容器11の
中心と同心の多段丘状に形成され、その中間部にドーナ
ツ状の偏平なヒータ13を、押さえ金具14で下側より保持
し、この押さえ金具14の外周近傍の容器11の底部外面
に、コ字状の支持板15を複数個適宜取付けている。1 and 2, a cylindrical container 11 formed of a thin plate of stainless steel or the like is supported inside a cylindrical container 12 also. The bottom surface of the container 11 is formed in a multi-tiered hill concentric with the center of the container 11, and a donut-shaped flat heater 13 is held at an intermediate portion of the heater 13 from below by a holding metal 14, and an outer periphery of the holding metal 14 A plurality of U-shaped support plates 15 are appropriately attached to the outer surface of the bottom of the container 11 in the vicinity.
前記器体12の下端開口部は、前記支持板15の下端にね
じで取付けられた皿状の下カバー17で覆われ、この下カ
バー17の取付けにより容器11を下方へ引張り込んで固定
している。The lower end opening of the vessel 12 is covered with a dish-shaped lower cover 17 attached to the lower end of the support plate 15 with screws, and by attaching the lower cover 17, the container 11 is pulled downward and fixed. I have.
前記下カバー17と容器11の底とのほぼ中央の空間に、
湯温制御装置19が配設され、この湯温制御装置19は、下
カバー17に係止した配線カバー20と、この配線カバー20
の下部に設けた基板21とを備え、基板21には温湯制御用
のマイコン22や操作用のスイッチ23、および湯温の状況
を点灯で示す発光ダイオード24などが設けられている。In a substantially central space between the lower cover 17 and the bottom of the container 11,
A hot water temperature control device 19 is provided. The hot water temperature control device 19 includes a wiring cover 20 locked to the lower cover 17 and a wiring cover 20.
And a microcomputer 21 for controlling hot water, a switch 23 for operation, and a light emitting diode 24 for lighting the status of hot water.
前記下カバー17の内周面に近い基板21の一端側には、
上下に向く2つのV溝25が並設され、このV溝25は、突
起26のV溝27と係合している。なお、基板21は、この状
態で配線カバー20の下面から突設した突起28に対してね
じ29で止められて配線カバー20に固定される。On one end side of the substrate 21 near the inner peripheral surface of the lower cover 17,
Two vertically extending V-grooves 25 are provided in parallel, and the V-grooves 25 are engaged with the V-grooves 27 of the projections 26. In this state, the substrate 21 is fixed to the wiring cover 20 by being screwed to a projection 28 projecting from the lower surface of the wiring cover 20 in this state.
また、下カバー17から上方へ突出したピン30が基板21
の孔21aを貫通して配線カバー20の孔20aに嵌合し、この
ピン30で配線カバー20を下カバー17の内周面に当接する
方向に押圧した状態にある。Also, the pins 30 protruding upward from the lower cover 17
The wiring cover 20 is fitted in the hole 20a of the wiring cover 20 through the hole 21a, and the wiring cover 20 is pressed by the pins 30 in a direction in which the wiring cover 20 comes into contact with the inner peripheral surface of the lower cover 17.
なお、場合によっては、ピン30が基板21の孔21aに嵌
合することで基板21をも下カバー17の内周面に当接する
方向に押圧してもよい。In some cases, the pins 21 may be fitted into the holes 21a of the board 21 to press the board 21 in a direction in which the board 21 also contacts the inner peripheral surface of the lower cover 17.
ところで、前記スイッチ23や発光ダイオード24は、前
記V溝25に隣接して設けられ、スイッチ23は、下カバー
17に設けたスイッチ片31と接しており、発光ダイオード
24は、下カバー17の側面の穴32に嵌入しており、前記ス
イッチ23は、器体12の外部から操作が行えるとともに、
発光ダイオード24は、その点滅で外部に対し操作結果と
湯温の状況を表示できるようになっている。By the way, the switch 23 and the light emitting diode 24 are provided adjacent to the V groove 25, and the switch 23 is
It is in contact with the switch piece 31 provided on 17 and the light emitting diode
24 is fitted in a hole 32 on the side surface of the lower cover 17, and the switch 23 can be operated from outside the body 12,
The light emitting diode 24 can display the operation result and the state of hot water temperature to the outside by flashing.
一般に、前記基板21に設けられるスイッチ23は、オ
ン、オフの動作ストロークが非常に小さく、スイッチ片
31とスイッチ23との位置関係は極めて微小な間隔を要す
るが、スイッチ23の近傍のV溝25が、突起26のV溝27へ
隙間なくピン30あるいはねじ29で支持されているので、
スイッチ片31とスイッチ23との位置関係を極めて精度良
く保つことができる。同様に、発光ダイオード24も穴32
に精度良く嵌入される。Generally, the switch 23 provided on the substrate 21 has a very small ON / OFF operation stroke,
Although the positional relationship between the switch 31 and the switch 23 requires an extremely small interval, the V-groove 25 near the switch 23 is supported by the pin 30 or the screw 29 in the V-groove 27 of the projection 26 without any gap.
The positional relationship between the switch piece 31 and the switch 23 can be maintained extremely accurately. Similarly, the light emitting diode 24 has the hole 32
It is fitted with high precision.
前記下カバー17と配線カバー20は一体に形成されてい
てもよく、要はスイッチ23をスイッチ片31に対し精度良
く所定の間隔に保つことができるばよい。The lower cover 17 and the wiring cover 20 may be formed integrally. In short, it is only necessary that the switch 23 can be accurately maintained at a predetermined interval with respect to the switch piece 31.
なお、図中の33は、下カバー17の下面の溝34に係止し
て回転自在なリング状の回転用の受台である。Reference numeral 33 in the drawing denotes a rotatable ring-shaped cradle that is engaged with the groove 34 on the lower surface of the lower cover 17 and is rotatable.
発明の効果 以上の説明から明らかな通り、本発明は、電気湯沸し
器の器体の下端開口部を覆う下カバーに対し、これに設
けたピンにより配線カバーおよび基板を一体化して、配
線カバーおよび基板を下カバーの内面に常に付勢するよ
うにしたので、スイッチ操作時の安定性および操作精度
を向上させることができ、また、従来のように、分割し
ていた各基板間を接続するリード線やコネクターなどが
不要となり、従って、製品の信頼性が著しく向上し、極
めて簡素で合理的な構成となって、コストダウンを図る
ことができる。Effect of the Invention As is apparent from the above description, the present invention integrates the wiring cover and the board with the pins provided on the lower cover covering the lower end opening of the body of the electric kettle, and forms the wiring cover and Since the substrate is always urged against the inner surface of the lower cover, stability and operation accuracy at the time of switch operation can be improved, and a lead for connecting each divided substrate as in the related art is used. Since wires and connectors are not required, the reliability of the product is remarkably improved, the configuration is extremely simple and rational, and the cost can be reduced.
また、操作用のスイッチを器体の下端近傍に設けるこ
とにより、スイッチが器体の上端に設けられている場合
に比べて、スイッチの操作時における器体の安定性が向
上し、従って、器体の転倒などの危険性を防止できる。Further, by providing the operation switch near the lower end of the body, the stability of the body when the switch is operated is improved as compared with the case where the switch is provided at the upper end of the body. The danger of falling down of the body can be prevented.
第1図および第2図は本発明の電気湯沸し器の一実施例
を示すもので、第1図は要部拡大断面図、第2図は基板
の平面図、第3図は従来の電気湯沸し器の要部切欠側面
図である。 11……容器、12……器体、13……ヒータ、17……下カバ
ー、19……湯温制御装置、20……配線カバー、21……基
板、22……マイコン、23……スイッチ、24……発光ダイ
オード、32……穴。1 and 2 show an embodiment of the electric water heater of the present invention. FIG. 1 is an enlarged sectional view of a main part, FIG. 2 is a plan view of a substrate, and FIG. 3 is a conventional electric water heater. It is a principal part notched side view of a container. 11 ... container, 12 ... body, 13 ... heater, 17 ... lower cover, 19 ... hot water temperature control device, 20 ... wiring cover, 21 ... board, 22 ... microcomputer, 23 ... switch , 24 ... light emitting diode, 32 ... hole.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 前川 馨 大阪府門真市大字門真1006番地 松下電 器産業株式会社内 (56)参考文献 実開 昭63−147122(JP,U) 実開 昭64−40431(JP,U) 実開 平1−91440(JP,U) ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kaoru Maekawa 1006 Kazuma Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. 40431 (JP, U) Actually open 1-91440 (JP, U)
Claims (1)
容器の下方で器体内の下端開口部を皿状の下カバーで覆
い、この下カバーと容器との間の空間に、電子部品を一
方に、発光ダイオードおよびスイッチを他方にそれぞれ
配設した基板を位置させ、かつこれら電子部品、発光ダ
イオードおよびスイッチは配線カバーで包囲するととも
に、配線カバーを下カバー側面の穴に臨ませて下カバー
内面に係止させ、さらに下カバーに設けたピンにより配
線カバーを下カバーの内面に付勢し、配線カバーを介し
て前記基板と下カバーとを一体化した電気湯沸し器。A container with a heater is provided in a cylindrical container, a lower end opening of the container is covered with a dish-shaped lower cover below the container, and electronic components are provided in a space between the lower cover and the container. On one side, a substrate on which the light emitting diode and the switch are respectively arranged is located, and these electronic components, the light emitting diode and the switch are surrounded by the wiring cover, and the wiring cover is exposed to the hole on the side of the lower cover. An electric water heater that is locked to the inner surface of the cover, and further urges the wiring cover toward the inner surface of the lower cover by pins provided on the lower cover, and integrates the substrate and the lower cover via the wiring cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1205335A JP2749386B2 (en) | 1989-08-08 | 1989-08-08 | Electric water heater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1205335A JP2749386B2 (en) | 1989-08-08 | 1989-08-08 | Electric water heater |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0368317A JPH0368317A (en) | 1991-03-25 |
JP2749386B2 true JP2749386B2 (en) | 1998-05-13 |
Family
ID=16505216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1205335A Expired - Lifetime JP2749386B2 (en) | 1989-08-08 | 1989-08-08 | Electric water heater |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2749386B2 (en) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0534609Y2 (en) * | 1987-03-19 | 1993-09-01 | ||
JPH0321698Y2 (en) * | 1987-09-08 | 1991-05-13 | ||
JPH0335220Y2 (en) * | 1987-12-04 | 1991-07-25 |
-
1989
- 1989-08-08 JP JP1205335A patent/JP2749386B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0368317A (en) | 1991-03-25 |
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