JPH0685733B2 - rice cooker - Google Patents
rice cookerInfo
- Publication number
- JPH0685733B2 JPH0685733B2 JP2180018A JP18001890A JPH0685733B2 JP H0685733 B2 JPH0685733 B2 JP H0685733B2 JP 2180018 A JP2180018 A JP 2180018A JP 18001890 A JP18001890 A JP 18001890A JP H0685733 B2 JPH0685733 B2 JP H0685733B2
- Authority
- JP
- Japan
- Prior art keywords
- protective frame
- control board
- frame cover
- rice cooker
- attached
- 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、誘導加熱式炊飯器の制御基板取り付け構造お
よび配線構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control board mounting structure and a wiring structure for an induction heating type rice cooker.
従来の技術 近年、炊飯性能の向上を図るためコイルへの通電をマイ
コンにより制御し、鍋内の米・水の量に適した火加減を
行なう炊飯器が多くなってきている。このため最近の誘
導加熱式炊飯器はコイルへの通電を制御する制御基板を
搭載している。2. Description of the Related Art In recent years, in order to improve rice cooking performance, an increasing number of rice cookers control the energization of a coil by a microcomputer to control the heat in accordance with the amount of rice and water in a pot. For this reason, recent induction heating rice cookers are equipped with a control board for controlling the energization of the coil.
以下、従来の炊飯器の構成について第６図を参照しなが
ら説明する。Hereinafter, the configuration of the conventional rice cooker will be described with reference to FIG.
図に示すように、本体21には加熱手段であるコイル22を
支持する保護枠下部23が保護枠胴24を介して取り付けら
れている。鍋25は保護枠胴24を装着した上枠26上にその
フランジ部が載置されている。保護枠カバー27にはフェ
ライト板28が取り付けられ保護枠下部23にビスにより締
結されている。制御基板29はボディ30下面にビスにより
取り付けられボディ30は保護枠カバー27にビスにより取
り付けられており、またボディ30の下面には冷却用の孔
が設けられいる。保護枠下23の中央部には鍋25の温度を
検知して動作する温度センサ31が配設されている。ま
た、コイル22の先端にめられた端子はビスにより基板
端子に締結されている（図示せず）。As shown in the figure, a protective frame lower portion 23 that supports a coil 22 that is a heating means is attached to the main body 21 via a protective frame cylinder 24. The pot 25 has a flange portion mounted on an upper frame 26 to which a protective frame body 24 is attached. A ferrite plate 28 is attached to the protective frame cover 27 and fastened to the lower portion 23 of the protective frame with screws. The control board 29 is attached to the lower surface of the body 30 with screws, and the body 30 is attached to the protective frame cover 27 with screws, and the lower surface of the body 30 is provided with cooling holes. A temperature sensor 31 that operates by detecting the temperature of the pan 25 is provided in the center of the lower portion 23 of the protective frame. Further, the terminal fitted to the tip of the coil 22 is fastened to the board terminal by a screw (not shown).
上記構成において鍋25底の温度が上昇すると温度センサ
ー31が鍋25底の温度を検知して、マイコンのプログラム
に予め設定されていた温度に達するとコイル22への通電
を制御し火加減を調整していた。In the above configuration, when the temperature of the bottom of the pan 25 rises, the temperature sensor 31 detects the temperature of the bottom of the pan 25, and when the temperature reaches the temperature preset in the program of the microcomputer, the energization to the coil 22 is controlled and the heating adjustment is adjusted. Was.
発明が解決しようとする課題 このような従来の炊飯器の構成では、制御基板29はボデ
ィ30下面にビスにより固着されていて、ボディ30の下面
に設けられた冷却用の孔と連通しているので、この孔か
らゴキブリなどの虫が侵入し、制御基板29取り付け用の
ボスやリブなどをつたって基板上へ侵入し、基板パター
ン部に糞尿を排泄し、これが原因となりパターン間がシ
ョートしマイコンの誤動作や、場合により火災の危険性
が発生することがあった。また、部品の組立工程におい
ても、保護枠カバー27とボディ30にフェライト28や制御
基板29など、それぞれ部品が取り付けられるため作業に
手間がかかり組立コストが高くなっていた。Problems to be Solved by the Invention In such a conventional rice cooker configuration, the control board 29 is fixed to the lower surface of the body 30 with screws and communicates with the cooling hole provided in the lower surface of the body 30. Therefore, insects such as cockroaches intrude through this hole, penetrate the board by attaching the bosses and ribs for mounting the control board 29, excrete manure in the board pattern part, and this causes short circuit between the patterns, There was a risk of malfunction and in some cases a fire hazard. Further, also in the process of assembling the components, since the components such as the ferrite 28 and the control board 29 are attached to the protective frame cover 27 and the body 30, the work is troublesome and the assembly cost is high.
本発明はこのような課題を解決するもので、ゴキブリな
どの虫がボディ30内に侵入した場合でもさらに制御基板
29上への侵入を防ぎ、制御機能の安定化と火災の発生な
どの危険を防止することができかつ、パターン側からの
配線ができる組立工数の少ない炊飯器を提供することを
目的とするものである。The present invention solves such a problem, and even if insects such as cockroaches enter the body 30, the control board
29 It is an object of the present invention to provide a rice cooker with a small number of assembling steps capable of preventing invasion to the top, stabilizing the control function and preventing the danger of fire, etc. and wiring from the pattern side. Is.
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、冷却用空気が流
入する孔を下面に形成したボディにより下方が覆われた
本体と、保護枠を介してこの本体内に着脱自在に収納さ
れる鍋と、前記保護枠の外側に装着され、前記鍋に電磁
誘導加熱するコイルと、このコイルを保護枠とともに覆
う保護枠カバーと、部品装着面側を前記保護枠カバー側
に対面させて同保護枠カバーに取着されるとともに、ボ
ディ下面と所定間隔をおいて対面するパターン側より配
線を行った制御基板とを備えた構成としたものである。Means for Solving the Problem In order to solve the problem, the present invention provides a main body whose lower part is covered with a body having a hole into which cooling air flows in formed on the lower surface, and a main body inside the main body via a protective frame. A pot that is detachably accommodated, a coil that is attached to the outside of the protective frame and that electromagnetically heats the pot, a protective frame cover that covers this coil together with the protective frame, and a component mounting surface side is the protective frame cover side. And a control board which is attached to the protective frame cover so as to face each other and is wired from the pattern side facing the lower surface of the body at a predetermined interval.
作用 上記手段により構成された炊飯器によると、ボディ下面
に設けられた冷却用の孔よりゴキブリなどの虫が侵入し
ても制御基板は上方にある保護枠カバーに取り付けられ
ていて、本体下部ボディから遊離しているので、冷却用
の孔から侵入した虫が制御基板へ到達する足がかりがな
く基板上への移動は困難となる。このため、虫の排泄に
よるパターン間のショート、またマイコンの誤動作・火
災の危険を防止することができる。また製造工程におい
て、上部（蓋体）からの積み上げ方式により組立てれる
ことにより保護枠カバーに制御基板を集約して取りつけ
られるので、作業効率が向上する。さらに、制御基板へ
の端子配線も制御基板の下面パターン側より行なえるた
め組立て効率が良い。Action According to the rice cooker configured by the above means, even if insects such as cockroaches intrude through the cooling holes provided on the lower surface of the body, the control board is attached to the protective frame cover located above, and the main body lower body Since the insects that have invaded through the cooling holes have no foothold to reach the control substrate, it is difficult to move onto the substrate. Therefore, it is possible to prevent a short circuit between patterns due to excretion of insects, a malfunction of the microcomputer, and a risk of fire. Further, in the manufacturing process, since the control boards are collectively attached to the protective frame cover by being assembled by the stacking method from the upper part (lid), the work efficiency is improved. Further, since the terminal wiring to the control board can be performed from the lower surface pattern side of the control board, the assembling efficiency is good.
実施例 以下、本発明の実施例を第１図ないし第５図を参照しな
がら説明する。Embodiment Hereinafter, an embodiment of the present invention will be described with reference to FIGS. 1 to 5.
第１図に示すように、本体１には加熱手段であるコイル
２を固定した保護枠下部３が保護枠胴４を介して取り付
けられている。保護枠下部３の中央部には温度検出装置
５が設けられており、鍋６は保護枠胴４を装着した上枠
７上にそのフランジ部で載置されている。蓋８は上枠７
にその一端を回動自在に軸支されている。保護枠カバー
９にはフェライト板10が配設されており、保護枠下部３
にビスにより締結されている。制御基板11は保護枠カバ
ー９にビスとフック部により取り付けられており、ボデ
ィ12は下面に冷却用の孔が設けられており、保護枠カバ
ー９にビスにより取り付けられている。第２図は製造工
程における組立ての順序を示したものであり、蓋８より
順次積み上げ式に組立てられる。As shown in FIG. 1, a main body 1 is attached with a protective frame lower portion 3 to which a coil 2 as a heating means is fixed, via a protective frame body 4. A temperature detecting device 5 is provided in the central portion of the lower part 3 of the protective frame, and the pot 6 is mounted on the upper frame 7 on which the protective frame body 4 is mounted by its flange portion. The lid 8 is the upper frame 7
One end of which is rotatably supported. The protective frame cover 9 is provided with a ferrite plate 10, and the protective frame lower part 3
It is fastened with screws. The control board 11 is attached to the protective frame cover 9 with screws and hooks, and the body 12 is provided with cooling holes on the lower surface thereof and is attached to the protective frame cover 9 with screws. FIG. 2 shows the order of assembling in the manufacturing process, and the lids 8 are sequentially assembled in a stacking manner.
このように構成された炊飯器では、ボディ12の下面中央
部に設けた冷却用の孔よりゴキブなどの虫が侵入した場
合でも、制御基板11は上方にある保護枠カバー９に取り
付けられていて、本体下部ボディ12から遊離しているた
め、冷却用の孔から侵入した虫が制御基板11へ到達する
足がかりがなく、制御基板11上への虫の移動は困難であ
る。そのため配線パターンへの糞尿の排泄によるショー
トやマイコンの誤作動、あるいは火災などの危険を防止
することができる。また、製造工程において蓋８より順
次積み上げ式に組立て上方の保護枠カバー９に制御基板
11を装着することにより、部品取付けの集約化が図れ、
作業効率が向上する。また、制御基板11のパターン側か
ら端子配線が可能なため組立てに手間がかからず、組立
効率が良い。In the rice cooker configured in this way, the control board 11 is attached to the protective frame cover 9 located above even if insects such as cockroaches enter through the cooling hole provided in the center of the lower surface of the body 12. Since it is separated from the lower body 12 of the main body, there is no foothold for insects that have entered through the cooling holes to reach the control board 11, and it is difficult to move the insects onto the control board 11. Therefore, it is possible to prevent a short circuit due to excretion of manure into the wiring pattern, a malfunction of the microcomputer, or a risk of fire. In the manufacturing process, the control board is attached to the protective frame cover 9 above the lid 8 in a stacking manner.
By installing 11, you can consolidate the parts installation,
Work efficiency is improved. Further, since the terminal wiring can be performed from the pattern side of the control board 11, the assembling can be done without trouble and the assembling efficiency is good.
第３図は第２の手段を示したものであり、制御基板11の
基板端子13に当接する保護枠カバー９のボス9a内部に
は、ナット14,端子15が順次収納されており、ビス17に
より締結されている。基板端子13は保護枠カバー９のボ
スにより支持されているため、制御基板11の箔部へ加わ
る応力は比較的少なく抑えられる。FIG. 3 shows the second means. Inside the boss 9a of the protective frame cover 9 that abuts the board terminal 13 of the control board 11, the nut 14 and the terminal 15 are housed in order, and the screw 17 It is concluded by. Since the board terminal 13 is supported by the boss of the protective frame cover 9, the stress applied to the foil portion of the control board 11 can be suppressed to be relatively small.
第４図は第３の手段を示したものであり、制御基板11の
基板端子13に当接する保護枠カバー９のボスを設け、制
御基板11の基板端子13下部に切欠部を設け、かつ基板端
子13にはタップを有するバーリング孔を設けており、端
子15,基板端子13の順で締結される。基板端子13は保護
枠カバー９ボス部により支持されているため、制御基板
11の箔部へ加わる応力は比較的少なく抑えられ、かつ、
ナットの省略も図れる。FIG. 4 shows a third means, in which the boss of the protective frame cover 9 that abuts the board terminal 13 of the control board 11 is provided, the notch is provided below the board terminal 13 of the control board 11, and the board is provided. The terminal 13 is provided with a burring hole having a tap, and the terminal 15 and the board terminal 13 are fastened in this order. Since the board terminal 13 is supported by the boss portion of the protective frame cover 9,
The stress applied to the foil part of 11 is suppressed to a relatively low level, and
The nut can be omitted.
第５図は第４の手段を示したものであり、制御基板11の
基板端子13部に切欠部を設け、この切欠部より大きいワ
ッシャー16を制御基板11のパターン側へ配し、基板端子
13にはタップを有するバーリング孔を設け、この基板端
子13に保護枠カバー９のボス部を当接させ、ビス17によ
りワッシャー16,端子15,基板端子13の順でビス17により
締結されている。基板端子13は保護枠カバー９のボス部
により支持されており、かつ、ワッシャー16が制御基板
11のパターン側に配されているため、ビス締め付け時に
基板端子13は制御基板11のパターン側に引っぱられる力
が働き、箔部へ加わる応力は比較的少なく抑えられるの
である。FIG. 5 shows a fourth means, in which a cutout is provided in the board terminal 13 portion of the control board 11, and a washer 16 larger than this cutout is arranged on the pattern side of the control board 11 to
A burring hole having a tap is provided in 13, the boss portion of the protective frame cover 9 is brought into contact with the board terminal 13, and the washer 16, the terminal 15 and the board terminal 13 are fastened with the screw 17 in this order with the screw 17. . The board terminal 13 is supported by the boss portion of the protective frame cover 9, and the washer 16 is a control board.
Since it is arranged on the pattern side of 11, the board terminal 13 is pulled by the pattern side of the control board 11 at the time of screw tightening, and the stress applied to the foil portion can be suppressed to a relatively small amount.
発明の効果 以上の実施例の説明からあきらかなように、本発明によ
れば、ボディ下部より侵入するゴキブリなどの虫に対
し、制御基板を保護枠カバーに取り付けることにより、
虫が制御基板パターン面へ侵入する足がかりをなくし、
パターン上への侵入を防ぎ、パターン上での排泄を防止
できる。この結果、炊飯器の性能の安定化，製品の安全
性を確保できるとともに、部品の取り付けの集約化によ
る組立作業効率の向上を図ることができる。EFFECTS OF THE INVENTION As is clear from the above description of the embodiments, according to the present invention, by attaching the control board to the protective frame cover against insects such as cockroaches invading from the lower part of the body,
Eliminates the foothold of insects invading the control board pattern surface,
Prevents invasion on the pattern and prevents excretion on the pattern. As a result, the performance of the rice cooker can be stabilized, the safety of the product can be ensured, and the assembly work efficiency can be improved by consolidating the attachment of parts.
第１図は本発明の第１の実施例を示す炊飯器の断面図、
第２図は同炊飯器の分解斜視図、第３図は第２の実施例
を示す炊飯器の要部断面図、第４図は第３の実施例を示
す炊飯器の要部断面図、第５図は第４の実施例を示す炊
飯器の要部断面図、第６図は従来の炊飯器を示す断面図
である。 ２……コイル、３……保護枠下、６……鍋、９……保護
枠カバー、9a……ボス、11……制御基板、12……ボデ
ィ、13……基板端子、14……ナット、15……端子、16…
…ワッシャー、17……ビス。FIG. 1 is a sectional view of a rice cooker showing a first embodiment of the present invention,
2 is an exploded perspective view of the rice cooker, FIG. 3 is a cross-sectional view of the essential parts of the rice cooker showing the second embodiment, and FIG. 4 is a cross-sectional view of the essential parts of the rice cooker showing the third embodiment. FIG. 5 is a sectional view of the essential parts of the rice cooker showing the fourth embodiment, and FIG. 6 is a sectional view showing the conventional rice cooker. 2 ... Coil, 3 ... Under protective frame, 6 ... Pan, 9 ... Protective frame cover, 9a ... Boss, 11 ... Control board, 12 ... Body, 13 ... Board terminal, 14 ... Nut , 15 …… Terminal, 16…
… Washers, 17 …… Screws.
Claims (2)
ボディにより下方が覆われた本体と、保護枠を介してこ
の本体内に着脱自在に収納される鍋と、前記保護枠の外
側に装着され、前記鍋に電磁誘導加熱するコイルと、こ
のコイルを保護枠とともに覆う保護枠カバーと、部品装
着面側を前記保護枠カバー側に対面させて同保護枠カバ
ーに取着されるとともに、ボディ下面と所定間隔をおい
て対面するパターン側より配線を行った制御基板とを備
えた炊飯器。1. A main body whose lower part is covered with a body having a hole for allowing cooling air to flow therein, a pan which is detachably accommodated in the main body through a protective frame, and an outer side of the protective frame. And a coil for electromagnetic induction heating in the pot, a protective frame cover for covering the coil with a protective frame, and a component mounting surface side facing the protective frame cover side and attached to the protective frame cover. A rice cooker including a control board, which is wired from the pattern side facing the lower surface of the body at a predetermined interval.
介して制御基板を保護枠カバーに取着した請求項１記載
の炊飯器。2. The rice cooker according to claim 1, wherein a boss is formed on the protective frame cover, and the control board is attached to the protective frame cover via a board terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2180018A JPH0685733B2 (en) | 1990-07-06 | 1990-07-06 | rice cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2180018A JPH0685733B2 (en) | 1990-07-06 | 1990-07-06 | rice cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0467822A JPH0467822A (en) | 1992-03-03 |
| JPH0685733B2 true JPH0685733B2 (en) | 1994-11-02 |
Family
ID=16076023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2180018A Expired - Lifetime JPH0685733B2 (en) | 1990-07-06 | 1990-07-06 | rice cooker |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0685733B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59139219A (en) * | 1984-01-13 | 1984-08-10 | 松下電器産業株式会社 | Control parts attaching apparatus of cooker |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0420358Y2 (en) * | 1986-06-18 | 1992-05-11 | ||
| JPH0624154Y2 (en) * | 1987-01-06 | 1994-06-22 | シャープ株式会社 | Electromagnetic induction heating rice cooker |
-
1990
- 1990-07-06 JP JP2180018A patent/JPH0685733B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59139219A (en) * | 1984-01-13 | 1984-08-10 | 松下電器産業株式会社 | Control parts attaching apparatus of cooker |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0467822A (en) | 1992-03-03 |
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