JP2002126375A - Toy changing color by electroheating - Google Patents

Toy changing color by electroheating

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Publication number
JP2002126375A
JP2002126375A JP2000329826A JP2000329826A JP2002126375A JP 2002126375 A JP2002126375 A JP 2002126375A JP 2000329826 A JP2000329826 A JP 2000329826A JP 2000329826 A JP2000329826 A JP 2000329826A JP 2002126375 A JP2002126375 A JP 2002126375A
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JP
Japan
Prior art keywords
toy
temperature
reed switch
energization
electrical heating
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Pending
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JP2000329826A
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Japanese (ja)
Inventor
Tsutomu Tomatsu
勉 戸松
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Pilot Ink Co Ltd
パイロットインキ株式会社
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Application filed by Pilot Ink Co Ltd, パイロットインキ株式会社 filed Critical Pilot Ink Co Ltd
Priority to JP2000329826A priority Critical patent/JP2002126375A/en
Publication of JP2002126375A publication Critical patent/JP2002126375A/en
Application status is Pending legal-status Critical

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Abstract

PROBLEM TO BE SOLVED: To provide a toy for little children which changes its color by electroheating which has improvements in magic characteristic and property as a toy and is safe. SOLUTION: The toy 1 which changes its color by electroheating comprises, as a control switch mechanism for an electroheating element 2, an operation member 6 with a magnet which turns a lead switch 5 provided in the main body on and off by a magnetic force. The operation member 6 is a separate body from the main body.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は通電加熱変色玩具に関する。 The present invention relates to relates to electric heating discoloration toy. 詳細には、通電発熱体の制御スイッチ機構として、リードスイッチと該リードスイッチを磁力によりO O More specifically, as the control switch mechanism of the energization heater, the reed switch and the reed switch by the magnetic force
N−OFF作動させる磁石付き操作部材を備えたことを特徴とする通電加熱変色玩具に関する。 About electrical heating discoloring toy which is characterized in that it comprises a magnet-equipped control member to N-OFF operation.

【0002】 [0002]

【従来の技術】従来より、熱変色層の背部に通電発熱体を配備し、ON−OFFスイッチ機構の直接的な操作により通電発熱体の発熱温度を制御して、熱変色層を変色させる色変わり玩具に関して幾つかの提案が開示されている(実開昭62−137093号公報、特開昭62− Conventionally, color change to deploy energization heater at the back of the thermochromic layer, by controlling the heat generation temperature of the energization heater by direct manipulation of ON-OFF switch mechanism, to discolor the thermochromic layer several proposals have been disclosed for toys (Japanese Utility Model 62-137093, JP-Sho 62-
201178号公報等)。 201,178 JP, etc.).

【0003】 [0003]

【発明が解決しようとする課題】本発明は、前記したスイッチ機構に直接的に手を触れることなく、外部磁力により通電を制御して熱変色させ、マジック性、玩具性、 SUMMARY OF THE INVENTION It is an object of the present invention, without directly touch the aforementioned switch mechanism controls the energization by an external magnetic force is thermochromic, magic resistance, toys resistance,
商品性を顕著に高め、更には、過熱による危険のない安全性を満たす幼児向け玩具として好適な通電加熱変色玩具を提供しようとするものである。 Significantly enhance merchantability, further seeks to provide a suitable electrical heating discoloring toy as young children toys satisfying harmless safety due to overheating.

【0004】 [0004]

【課題を解決するための手段】本発明を図面について説明する(図1〜図3参照)。 The present invention drawings illustrating [SUMMARY OF] (see FIGS. 1 to 3). 本発明は、通電発熱体2自体の表面、又は通電発熱体2に接触乃至近接配置の基材3表面に熱変色層4を配設し、前記通電発熱体2に通電することにより前記熱変色層4を変色させる通電加熱変色玩具1であって、前記通電発熱体2の制御スイッチ機構として、リードスイッチ5と該リードスイッチ5を磁力によりON−OFF作動させる磁石付き操作部材6を備えたことを特徴とする通電加熱変色玩具1を要件とする。 The present invention, the thermochromic by energization heater 2 itself on the surface, or the thermochromic layer 4 disposed on the substrate 3 surface of the contact or close proximity to the energization heater 2, energizing the energization heater 2 a electrical heating discoloration toy 1 to discolor the layer 4 that, as a control switch mechanism of the energization heater 2, with a magnet-equipped control member 6 to the reed switch 5 and the reed switch 5 is operated ON-OFF by the magnetic force the is required for the electrical heating discoloration toy 1, wherein. 更には、通電発熱体2は、リードスイッチ5を介して電源電池7と結線されており、前記三部材は保護部材8内に収容されており、前記リードスイッチ5をON− Furthermore, energization heater 2 is power battery 7 and connected via the reed switch 5, wherein the third member is accommodated in a protective member 8, the reed switch 5 ON-
OFF作動させる磁石付き操作部材6は、前記保護部材8と単離して別体として構成されてなること、リードスイッチ5は、保護部材8内面の傾斜面乃至垂直面に取り付けられてなること、磁石付き操作部材6は、玩具形象の造形体であること、通電発熱体2は、少なくとも25 Magnet-equipped control member 6 to OFF operation, the protective member 8 and be configured as separate bodies isolated, reed switch 5, the protective member 8 the inner surface of the inclined surface to be mounted in a vertical plane, the magnet the operating member 6 attached, it is shaped body of the toy figure, the energization heater 2 is at least 25
℃〜65℃の範囲内において、電気抵抗の温度係数が正の値を示し、発熱飽和温度が25℃〜65℃の温度範囲内の任意の温度に自己温度制御される抵抗発熱体であること、通電発熱体2は、BaTiO 3系焼結体により構成されており、伝熱基材31が前記焼結体に密接状に取り付けられてなること、熱変色層4は、電子供与性呈色性有機化合物、電子受容性化合物及び前記両者の呈色反応を可逆的に生起させる有機化合物媒体からなる熱変色性材料を含有してなること、等を要件とする。 ° C. Within the scope of to 65 ° C., the temperature coefficient of the electrical resistance shows a positive value, it exothermic saturation temperature is resistance heating element which is self-temperature control at any temperature within a temperature range of 25 ° C. to 65 ° C. , energization heater 2 is constituted by BaTiO 3 sintered body, the heat transfer substrate 31 is attached closely shaped to the sintered body, thermochromic layer 4, the electron donative coloration sexual organic compound, comprising a thermochromic material consisting of an organic compound medium which reversibly occurs an electron-accepting compound and color reactions of the both, etc. and requirements.

【0005】前記における通電発熱体2は、タングステン、ニッケル、チタン等の通電発熱性の金属材を適用した系であってもよいが、自己温度制御機能を備えた正特性の抵抗発熱体が、この種の玩具用として好適である。 [0005] energization heater in the 2, tungsten, nickel, or may be a system of applying the electric heating of a metal material such as titanium, but the resistance heating element of PTC having a temperature self-control function, it is suitable as this kind of toys.
中でも、少なくとも25℃〜65℃の範囲内において Above all, in the range of at least 25 ° C. to 65 ° C.
電気抵抗の温度係数が正の値を示し、発熱飽和温度が2 The temperature coefficient of electrical resistance indicates a positive value, heating the saturated temperature 2
5℃〜65℃の温度範内の任意の温度に自己温度制御される抵抗発熱体が効果的である。 5 resistance heating element which is self-temperature control at any temperature in the range of ° C. to 65 ° C. is effective. 前記抵抗発熱体は、通電直後は大きな電流が流れ、自己発熱して速やかに昇温し、それにつれて抵抗値が急激に増大し、温度上昇は緩慢となり、発熱量と放熱量が一致する温度で安定して自己温度制御される。 The resistive heating element, immediately after energization large current flows rapidly heated by self-heating, which as resistance increases rapidly, the temperature rise becomes slow, at a temperature heating value and heat radiation amount matches stably be self temperature control.

【0006】前記抵抗発熱体の具体例として、BaTi [0006] Examples of the resistance heating element, BaTi
3系焼結体(稀土類元素をドープして半導体化し、さらに所望に応じてSr等の元素で置換したもの)、Si O 3 based sintered body (into semiconductors by doping rare earth elements, those substituted with an element such as Sr further desired), Si
単結晶系、有機プラスチック系(低融点の結晶性プラスチック中にグラファイト等の通電性微粉末がブレンドさたもの)等を挙げることができ、低温度域(25〜60 Single crystal based, organic plastic-based (those conducting fine powder of graphite in the low melting point of the crystalline plastic is blended) or the like can be mentioned, low temperature range (25 to 60
℃)での発熱飽和温度の調整、昇温特性等の面より前記BaTiO 3系焼結体が好適に適用され、概ね0.05 Adjustment of the heating saturation temperature at ° C.), the the plane, such as a Atsushi Nobori characteristics BaTiO 3 sintered body is suitably applied, generally 0.05
〜20cm 2 (片方の面積)、且つ厚みが0.05〜1 To 20 cm 2 (area of one), and a thickness 0.05
cm(好ましくは、0.5cm以下)の大きさのものが玩具用として実用性を満たす。 cm (preferably, 0.5 cm or less) having a size of satisfies practicality as toys. 前記より小面積の系では変色効果が少なく玩具要素として不適であり、一方、大面積且つ大容積の系では低電圧の印加による短時間での発熱性、発熱効率、均熱性等の面で好ましくない。 It is unsuitable as a small toy element discoloration effect in a system having a small area than the, other hand, preferably a large area and a large volume of the system exothermic in a short time by application of a low voltage, heating efficiency, in terms of such thermal uniformity Absent.

【0007】前記通電発熱体2は、ディスク状、帯状、 [0007] The energization heater 2 is disk-shaped, strip-shaped,
ハニカム状、その他、目的に応じた適宜の形状が採用され、該発熱体2には、電極を設けることが通電組み付け構造の面で効果的であり、具体的には、通電発熱体2自体の対向面にアルミ溶射やニッケル等によるメッキを施して形成、或いは通電発熱体2に密接配置の伝熱基材3 Honeycomb, other, is employed a suitable shape according to the purpose, the heating elements 2, it is effective in terms of energization assembly structure is provided with electrodes, specifically, energization heater 2 itself forming plated by aluminum spraying and nickel on the opposite surface, or heat transfer base material tightly disposed energization heater 2 3
1に設けることができ、前記電極には、リード線を接続してリードスイッチ5を介して電源電池7と通電可能にセットされる(図3参照)。 Can be provided in 1, the electrode is set to be energized and the power supply battery 7 through the reed switch 5 to connect the lead wire (see FIG. 3). 尚、負荷が大きい場合は、 It should be noted that, if the load is large,
増幅回路を適宜に設けることができる。 It can be provided an amplifier circuit as appropriate.

【0008】前記リードスイッチ5は、一対の残留磁気が少ない磁性材料からなる接片を、端部を僅かに隙間を開けて重なるように設けて、硝子管の中に封入し硝子管の両端から導線を引出した形態の、従来より公知の電気的スイッチが適用される。 [0008] The reed switch 5, a contact piece comprising a pair of remanence smaller magnetic material, provided so as to overlap to open the small gap ends, from both ends of the enclosed glass tube in the glass tube forms drawn conductors, known electrical switch is applied conventionally.

【0009】前記通電発熱体2、リードスイッチ5、電源電池7からなる通電発熱要素は、保護部材8内部にセットされる。 [0009] electric heating element made of the energization heater 2, reed switch 5, the power supply battery 7 is set inside the protection member 8. 前記通電発熱体2には、熱変色層4を形成した基材3を密接乃至近接状態に配置して、所定温度に昇温させて熱変色させる。 Wherein the energization heater 2 is disposed a substrate 3 formed of thermochromic layer 4 in close to proximity state, thereby thermochromic was warmed to a predetermined temperature. 前記基材3は、紙、合成紙、 The substrate 3 may be paper, synthetic paper,
プラスチックシート、布帛、プラスチック成形体、金属材等を挙げることができ、玩具要素の一部の構成要素であってもよい。 Plastic sheet, cloth, plastic molding, metal materials, etc. can be mentioned, it may be part of a component of the toy element. 又、通電発熱体2との接触面より大面積のアルミニウム薄片等の伝熱基材31を通電発熱体2に密接状態に配置して、熱を広範囲に伝搬させる構成となし、基材3に形成する熱変色層4を前記伝搬温度が及ぶ範囲の大きさに設定して、視覚効果を高めることができる。 Further, disposed in close contact with the heat transfer base material 31 to the energization heater 2 of aluminum flakes or the like having a large area than the contact surface between the energization heater 2, heat without a structure to extensively propagated, the substrate 3 the thermochromic layer 4 forming is set to a size range that the propagation temperature range, it is possible to enhance the visual effect. 前記保護部材8は、内部に前記通電発熱要素を収容させるスペースを有するものであればよく、人形の頭部、胴部、乗物玩具等の中空状形象物、その他玩具性の中空部をもつ各種造形体、人形の着衣等の布帛による形象物、その他の外部からの視覚を妨げるカバー的要素を挙げることができる。 The protective member 8, as long as it has a space for accommodating the electric heating elements inside the head of the doll torso, hollow shaped structure such as toy vehicles, various other with a hollow portion of the toy of shaped body, figured by fabric clothes like doll, may be mentioned cover elements that prevent visual from other external. 中空立体状の保護部材8内にリードスイッチ5を取付ける系にあっては、内壁の傾斜面或いは垂直面に取り付けることにより、磁石付き操作部材6の先端部の近接操作が容易であると共に、前記傾斜面或いは垂直面には前記操作部材6を載置或いは係止不可能であり、不用意な磁力が作用して、スイッチON状態を継続させることがなく、安全である。 In the system mounting the reed switch 5 into a hollow three-dimensional shape of the protective member 8, by attaching the inclined surfaces or vertical surface of the inner wall, along with the proximity operation of the front end portion of the magnet with the operating member 6 is easy, the the inclined surface or a vertical surface is not placed or lock the operating member 6, and acts inadvertent force, without continuing the switch oN state, it is safe.

【0010】熱変色層4は、従来より公知の可逆熱変色性材料、例えば、コレステリック液晶や、(イ)電子供与性呈色性有機化合物、(ロ)電子受容性化合物、及び(ハ)前記両者の呈色反応の生起温度を決める反応媒体の均質相溶体からなる、公知の可逆熱変色性組成物をマイクロカプセルに内包させた形態のものが有効であり、 [0010] thermochromic layer 4 is conventionally known reversible thermochromic materials, for example, a cholesteric liquid crystal or, (b) an electron-donating coloring organic compound, (b) an electron-accepting compound, and (c) the consists of a homogeneous phase solution of the reaction medium which determines the occurrence temperature of both the color reaction, it is effective in the form obtained by containing a known thermochromic composition in microcapsules,
具体的には、本出願人が提案した、特公昭51−447 More specifically, the present applicant has proposed, JP-B-51-447
06号公報、、特公昭51−44708号公報、特公平1−29398号公報、等に記載のものが利用できる。 06 JP ,, Sho 51-44708 and JP KOKOKU 1-29398 discloses, can be utilized those described in equal.
前記は所定の温度(変色点)を境としてその前後で変色し、変化前後の両状態のうち常温域では特定の一方の状態しか存在しえない。 Wherein its discolored before and after the change can not exist only specific one state at a normal temperature range of both states before and after with respect to a boundary of a predetermined temperature (color change point). 即ち、もう一方の状態は、その状態が発現するのに要する熱又は冷熱が適用されている間は維持されるが、前記熱又は冷熱の適用がなくなれば常温域で呈する状態に戻る、所謂、温度変化による温度− That is, other conditions include, but while is maintained to heat or cold required for that state is expressed is applied, returns to the condition present at ordinary temperature range if there are no application of the heat or cold, so-called, temperature due to a temperature change -
色濃度について小さいヒステリシス幅(ΔH)を示して変色するタイプの熱変色特性を有する。 Having thermochromic properties of the type which changes color shows a small hysteresis width ([Delta] H) for the color density.

【0011】又、本出願人が提案した特公平4−171 [0011] In addition, Kokoku the present applicant has proposed 4-171
54号公報、特開平7−179777号公報、特開平7 54, JP-A No. 7-179777, JP-A No. 7
−33997号公報等に記載されている大きなヒステリシス特性を示して変色する、即ち、温度変化による着色濃度の変化をプロットした曲線の形状が、温度を変色温度域より低温側から温度を上昇させていく場合と逆に変色温度域より高温側から下降させていく場合とで大きく異なる経路を辿って変色し、低温側変色点と高温側変色点の間の常温域において、前記低温側変色点以下又は高温側変色点以上の温度で変化させた状態を記憶保持できるタイプの熱変色性組成物をマイクロカプセルに内包させて実用に供することができる。 Discolor shows a large hysteresis properties described -33997 Patent Publication, i.e., the shape of the curve obtained by plotting the change in color density due to a temperature change, the temperature is raised from the low temperature side than the color change temperature range the temperature discolored follow very different paths as if it going lowered from when the high temperature side than the color change temperature range Conversely go, in a normal temperature range between the low temperature side color change point and the high-temperature side color change point, following the low temperature side color change point or it can be provided a high-temperature-side type of thermochromic composition a state of being changed in color change point above the temperature can stored and held in the practical use by being incorporated into a microcapsule.

【0012】又、加熱発色型の組成物として消色状態からの加熱により発色する、本出願人の提案による、電子受容性化合物として炭素数3乃至18の直鎖又は側鎖アルキル基を有する特定のアルコキシフェノール化合物を適用した系(特開平11−129623号公報、特開平11−5973号公報、或いは特定のヒドロキシ安息香酸エステルを適用した系(特願平11−286202 [0012] Also, the color development by heating from colorless state as a heating color development type of composition, according to the proposal of the applicant, identified with linear or branched alkyl group having a carbon number of 3 to 18 as an electron-accepting compound alkoxy phenol compound the applied system (JP-a-11-129623, JP-a No. 11-5973 and JP-or specific hydroxybenzoic acid ester the applied system (Japanese Patent application No. 11-286202
号)を挙げることができる。 No.) can be mentioned.

【0013】前記熱変色層4は、ベタ印刷されたものに限らず、図柄、文字、記号、数字等の像であってもよい。 [0013] The thermochromic layer 4 is not limited to those solid printing, symbols, characters, symbols, or it may be an image such as a number. 前記熱変色層4は、熱変色温度或いは発色時の色彩が異なる複数の像を重ね刷り、又は並設したものであってもよい。 The thermochromic layer 4, thermochromic temperature or overprinted a plurality of images colored different during color development, or may be obtained by juxtaposed. 又、前記熱変色層4の上層又は下層には非熱変色像を配設して、視覚効果を更に高めることができる。 Further, the upper layer or the lower layer of the thermochromic layer 4 may be disposed a non-thermal discoloration image, further enhances the visual effect.

【0014】 [0014]

【発明の実施の形態】以下に本発明の実施例を記載する。 DETAILED DESCRIPTION OF THE INVENTION describe embodiments of the present invention are described below.

【0015】 [0015]

【実施例】実施例1(図1参照) ディスプレー部を開口させたプラスチック製箱型保護部材8の内部に、通電発熱体2〔BaTiO 3系焼結体(5mmφ、厚さ1mm、2.0Ω)、発熱飽和温度4 EXAMPLE 1 inside the (see FIG. 1) Plastic box-shaped protective member 8 is opened the display unit, the energization heater 2 [BaTiO 3 based sintered body (5 mm.phi, thickness 1 mm, 2.0Omu ), heat saturation temperature 4
0℃〕〕の両面に導電メッキ層を形成し、厚さ0.1m 0 ℃]] The conductive plated layer is formed on both surfaces of thickness 0.1m
mのアルミニウム板からなる伝熱基材31を前記通電発熱体2の片面上に導電接着剤により接合した一体化発熱体に、リードスイッチ5を介在させて電源電池7と通電可能に構成され通電発熱ユニットを取付けた。 The heat transfer substrate 31 made of aluminum plate m the integrated heating element bonded by a conductive adhesive on one surface of the energization heater 2, conductively constructed energized with power supply battery 7 by interposing the lead switch 5 It was fitted with a heating unit. ここで、 here,
前記リードスイッチ5は、箱型保護部材8の内壁傾斜面に取り付けられている。 The reed switch 5 is attached to the inner wall inclined surface of the box-shaped protective member 8. 前記開口状態にあるディスプレー部には、25℃以下で黒色を呈し、30℃以上で無色に可逆的に変色する可逆熱変色層4が、写真或いは非熱変色性印刷像を覆って形成されているシート基材3からなる表示要素を装着して玩具本体を構成した。 Wherein the display unit in the open state, having black color at 25 ° C. or less, colorless at 30 ° C. or higher reversibly thermochromic layer 4 which changes color reversibly, are formed over the photo or thermally non-discoloring printed image to constitute a toy body by mounting the display elements consist of a sheet base material 3 which are. 前記玩具本体とは別体として、先端部に中空部をもつプラスチック棒状体の、前記中空部に磁石6Aを装着させた磁石付き操作部材6を用意した。 Separately from the said toy body, a plastic rod-shaped body having a hollow portion at the tip, was prepared magnet-equipped control member 6 is mounted a magnet 6A in the hollow portion. 前記操作部材6の先端を、リードスイッチ5の取り付け部位の保護部材8の外壁に近接させると、リードスイッチ5がON状態となり、通電発熱体2を昇温させ、常態(22℃)では黒色を呈していた熱変色層4が無色に変化し、写真或いは非熱変色性印刷像を視覚させた。 The tip of the operation member 6, when brought close to the outer wall of the protection member 8 of the mounting site of the reed switch 5 becomes reed switch 5 is an ON state, allowed to warm energization heater 2, the black in ordinary state (22 ° C.) thermochromic layer 4 which has been exhibited changes to colorless was visually photographic or thermally non-discoloring printed image. 前記操作部材6の近接による磁力操作を解除すると、リードスイッチ5はOFF状態となり、表示面は元の黒色に戻り、写真或いは非熱変色性印刷像は、再び不可視状態になった。 When releasing the force operation due to the proximity of the operating member 6, the reed switch 5 is turned OFF, the display surface back to the original black, photo or thermally non-discoloring printed image became invisible again.

【0016】実施例2 前記実施例1と同様の通電発熱要素を人形の中空頭部内に、通電発熱体2を眼部に位置させて取り付け、前記通電発熱体2の部位には、淡青色の非熱変色性眼球像を覆い、25℃以下で茶色を呈し、30℃以上で無色に変化する、熱変色性眼球像を重ね刷りした眼部要素を取り付けて人形玩具を構成した(図示せず)。 [0016] The electric heating element as in Example 2 Example 1 into the hollow head of the doll, attaching the energization heater 2 by positioning the eye, the the site of the energization heater 2, light blue nonthermal covers the thermochromic eyeball image exhibits brown 25 ° C. or less, changes to colorless at 30 ° C. or more, to constitute a doll toy attach the printing ocular unit elements superimposed thermochromic eye image (shown in not). 前記実施例1の磁石付き操作部材6の先端部を、前記眼部要素に近接させたところ、リードスイッチはON状態となり、室温(22℃)て茶色を呈していた眼球は、淡青色の眼球に変色して視覚された。 When the tip portion of the magnet with the operating member 6 of Example 1 was close to the eye element, the reed switch is turned ON, eyeball and exhibited brown Te room temperature (22 ° C.), the pale blue eye It was visualized by discolored.

【0017】 [0017]

【発明の効果】本発明は、通電加熱変色玩具の通電操作を、玩具本体のスイッチ機構に手を触れることなく、玩具本体とは別体の磁石付き操作部材の適用により、スイッチ機構を作動させて熱変色させることができ、マジック性、玩具性、商品性を高め、更には、過熱による危険がなく、幼児等が安心して変色遊びができる通電加熱変色玩具を提供できる。 According to the present invention, the energization operation of electrical heating discoloring toy, without touching a switch mechanism of the toy body, by application of a magnet with the operating member is separate from the toy body, actuates the switch mechanism can be thermochromic Te increases magic resistance, toys properties, the product properties, further, no danger due to overheating, it is possible to provide the electrical heating discoloration toy which can discolor play infant or the like with confidence. 更には、前記磁石付き操作部材は、任意の玩具形象の造形体が適用でき、殊に、スティック状に形成すれば、魔法の杖として、近時の魔法ブームを具現させることができ、幼児の夢をかなえる幼児向け玩具として好適である。 Furthermore, the magnet-equipped control member can apply shaped bodies of any toy figure, in particular, by forming the stick, as a magic wand, it is possible to realize a recent magic boom, infant it is suitable as an infant for a toy that dream come true.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の通電加熱変色玩具の一実施例の縦断面説明図である。 1 is a longitudinal sectional view of one embodiment of the electrical heating discoloration toy of the present invention.

【図2】図1の通電加熱変色玩具本体の斜視図である。 2 is a perspective view of the electrical heating discoloration toy body of FIG.

【図3】図1の通電加熱変色玩具の回路説明図である。 3 is a circuit diagram of the electrical heating discoloration toy of FIG.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 通電加熱変色玩具 2 通電発熱体 3 基材 31 伝熱基材 4 熱変色層 5 リードスイッチ 6A 磁石 6 操作部材 7 電源電池 8 保護部材 1 electrical heating discoloring toy 2 energization heater 3 base material 31 heat transfer base material 4 thermochromic layer 5 reed switch 6A magnet 6 operating member 7 power supply battery 8 protective member

Claims (7)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 通電発熱体自体の表面、又は通電発熱体に接触乃至近接配置の基材表面に熱変色層を配設し、前記通電発熱体に通電することにより前記熱変色層を変色させる通電加熱変色玩具であって、前記通電発熱体の制御スイッチ機構として、リードスイッチと該リードスイッチを磁力によりON−OFF作動させる磁石付き操作部材を備えたことを特徴とする通電加熱変色玩具。 1. A disposed energization surface of the heating element itself, or thermochromic layer on a substrate surface of the contact or close proximity to the energization heater, discolor the thermochromic layer by energizing the energization heater a electrical heating discoloring toy, as a control switch mechanism of the energization heater, electric heating discoloration toy comprising the magnet-equipped control member for the reed switch and the reed switch is ON-OFF operation by a magnetic force.
  2. 【請求項2】 通電発熱体は、リードスイッチを介して電源電池と結線されており、前記三部材は保護部材内に収容されており、前記リードスイッチをON−OFF作動させる磁石付き操作部材は、前記保護部材と単離して別体として構成されてなる請求項1記載の通電加熱変色玩具。 Wherein the energization heater is power battery and connected via the reed switch, the third member is accommodated in a protective member, the magnet-equipped control member for ON-OFF operation of the reed switch , claim 1 electrical heating discoloring toy according consisting configured as the protective member and the isolated separately.
  3. 【請求項3】 リードスイッチは、保護部材内面の傾斜面乃至垂直面に取り付けられてなる請求項1又は2記載の通電加熱変色玩具。 3. A reed switch, electric heating discoloration toy according to claim 1 or 2, wherein becomes attached to the inclined surface or a vertical surface of the protective member inner surface.
  4. 【請求項4】 磁石付き操作部材は、玩具形象の造形体である請求項1乃至3のいずれか一項に記載の通電加熱変色玩具。 4. A magnet-equipped control member, electrical heating discoloration toy according to any one of claims 1 to 3 is a shaped body of the toy figure.
  5. 【請求項5】 通電発熱体は、少なくとも25℃〜65 5. The energization heater is at least 25 ° C. to 65
    ℃の範囲内において、電気抵抗の温度係数が正の値を示し、発熱飽和温度が25℃〜65℃の温度範囲内の任意の温度に自己温度制御される抵抗発熱体である請求項1 Within ° C., the temperature coefficient of the electrical resistance shows a positive value, claim 1 saturated heat generation temperature is resistance heating element which is self-temperature control at any temperature within a temperature range of 25 ° C. to 65 ° C.
    乃至4のいずれか一項に記載の通電加熱変色玩具。 Or electrical heating discoloring toy according to any one of 4.
  6. 【請求項6】 通電発熱体は、BaTiO 3系焼結体により構成されており、伝熱基材が前記焼結体に密接状に取り付けられてなる請求項1乃至5のいずれか一項に記載の通電加熱変色玩具。 6. The energization heater is constituted by BaTiO 3 sintered body, in any one of claims 1 to 5 heat transfer base material is mounted closely form the sintered body electrical heating discoloration toy according.
  7. 【請求項7】 熱変色層は、電子供与性呈色性有機化合物、電子受容性化合物及び前記両者の呈色反応を可逆的に生起させる有機化合物媒体からなる熱変色性材料を含有してなる請求項1記載の通電加熱変色玩具。 7. A thermochromic layer contains an electron-donating coloring organic compound, a thermochromic material consisting of an organic compound medium which reversibly rise to color reaction of the electron-accepting compound and the both electrical heating discoloration toy of claim 1, wherein.
JP2000329826A 2000-10-30 2000-10-30 Toy changing color by electroheating Pending JP2002126375A (en)

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