JP6181604B2 - Mobile device - Google Patents

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JP6181604B2
JP6181604B2 JP2014131307A JP2014131307A JP6181604B2 JP 6181604 B2 JP6181604 B2 JP 6181604B2 JP 2014131307 A JP2014131307 A JP 2014131307A JP 2014131307 A JP2014131307 A JP 2014131307A JP 6181604 B2 JP6181604 B2 JP 6181604B2
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housing
casing
battery
hinge
heat source
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直樹 佃
直樹 佃
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NEC Platforms Ltd
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Description

本発明は、携帯端末に関する。   The present invention relates to a mobile terminal.

第１の筐体の一端辺と第２の筐体の一端辺とを蝶番により接続し、蝶番を回転軸として第１の筐体または第２の筐体を回転させることができる構造を有する携帯端末が一般的に知られている。   A mobile phone having a structure in which one end side of the first casing and one end side of the second casing are connected by a hinge and the first casing or the second casing can be rotated about the hinge as a rotation axis. Terminals are generally known.

図７は、このような構造を有する携帯端末の一例である折り畳み型携帯電話１を示す斜視図である。   FIG. 7 is a perspective view showing a foldable mobile phone 1 which is an example of a mobile terminal having such a structure.

図７を参照すると、携帯電話１は、文字や画像等を表示するための表示部１０を有する第１の筐体２と、文字や記号等を入力するための入力部２０を有する第２の筐体３と、第１の筐体２の下端辺と第２の筐体３の上端辺とを接続する蝶番３０とから構成され、第１の筐体２または第２の筐体３は蝶番３０を回転軸として回転することができる。   Referring to FIG. 7, the mobile phone 1 includes a first housing 2 having a display unit 10 for displaying characters, images, and the like, and a second case 20 having an input unit 20 for inputting characters, symbols, and the like. It is comprised from the housing | casing 3, and the hinge 30 which connects the lower end side of the 1st housing | casing 2, and the upper end side of the 2nd housing | casing 3, and the 1st housing | casing 2 or the 2nd housing | casing 3 is a hinge. 30 can be rotated about the rotation axis.

利用者は、携帯電話１を使用するときには、図７に示すように、表示部１０および入力部２０が見える状態になるよう、第１の筐体２または第２の筐体３を、蝶番３０を回転軸として第１の方向に回転させ、携帯電話１を使用する。   When the user uses the mobile phone 1, as shown in FIG. 7, the first casing 2 or the second casing 3 is hinged 30 so that the display unit 10 and the input unit 20 can be seen. Is rotated in the first direction using the mobile phone 1 as a rotation axis.

その後、利用者は、携帯電話１の使用を終えると、利用者は、第１の筐体２または第２の筐体３を、蝶番３０を回転軸として上記第１の方向とは逆方向である第２の方向に回転させて、第１の筐体２の表示部１０がある面と第２の筐体３の入力部２０がある面とを対向させることにより、表示部１０および入力部２０を隠して携帯電話１を携帯する。   Thereafter, when the user finishes using the mobile phone 1, the user moves the first casing 2 or the second casing 3 in the direction opposite to the first direction with the hinge 30 as the rotation axis. The display unit 10 and the input unit are rotated by rotating in a certain second direction so that the surface on which the display unit 10 of the first housing 2 is disposed and the surface on which the input unit 20 of the second housing 3 is disposed. The mobile phone 1 is carried with the cover 20 hidden.

このように、第１の筐体２の表示部１０がある面と第２の筐体３の入力部２０がある面とが対向した状態が、いわゆる、折り畳み状態である。   Thus, the state in which the surface of the first housing 2 on which the display unit 10 is located and the surface of the second housing 3 on which the input unit 20 is disposed is a so-called folded state.

図７に示す上述した携帯電話１は、さらに、電池（図７には図示せず）と、その電池から電力を供給される各種の回路（図７には図示せず）とを有する。   The above-described mobile phone 1 shown in FIG. 7 further includes a battery (not shown in FIG. 7) and various circuits (not shown in FIG. 7) to which power is supplied from the battery.

図８は、上記電池の動作特性を示す図である。   FIG. 8 is a diagram showing the operating characteristics of the battery.

図８は、一般的な電池が所定の電流値で放電している場合に、該電池の出力電圧が時間の経過とともにどのように変化するかを、周囲温度別（２５℃（度）および−２０℃）に示す図である。   FIG. 8 shows how the output voltage of a general battery changes with time (25 ° C. (degrees) and − 20C).

図８から明らかなように、周囲温度が低い方が、電池の出力電圧の値が所定の電圧値まで低下する時間が短い。   As is apparent from FIG. 8, the lower the ambient temperature, the shorter the time for the battery output voltage value to drop to a predetermined voltage value.

したがって、周囲温度が低いと、携帯電話１の使用可能時間が短くなるという問題点がある。   Therefore, when the ambient temperature is low, there is a problem that the usable time of the mobile phone 1 is shortened.

係る問題点を解決するために、特許文献１には、電池１０と、発熱する部分１２（熱源）と、部分１２から電池１０へ熱を伝える熱伝導体１４と、部分１２の温度を計測する温度センサ１６とが設けられ、電池１０を加温し過ぎないように部分１２の消費電力を制御する技術が開示されている。   In order to solve the problem, Patent Document 1 measures the temperature of the battery 10, the portion 12 (heat source) that generates heat, the heat conductor 14 that transfers heat from the portion 12 to the battery 10, and the temperature of the portion 12. A technique is disclosed in which a temperature sensor 16 is provided and the power consumption of the portion 12 is controlled so as not to overheat the battery 10.

また、特許文献２には、熱的に結合された第１の中央処理装置１（熱源）および電池７における電池７の温度を温度センサ８で測定し、環境温度が低下したときに、測定された温度信号に基づいて中央処理装置１を駆動する第１のクロック発生器５が発生するクロック周波数を低減させ、電池７の温度低下を迅速に防止すると共に電池７の温度を高くする技術が開示されている。   Further, in Patent Document 2, the temperature of the battery 7 in the first central processing unit 1 (heat source) and the battery 7 that are thermally coupled is measured by the temperature sensor 8 and is measured when the environmental temperature decreases. Discloses a technique for reducing the clock frequency generated by the first clock generator 5 that drives the central processing unit 1 based on the detected temperature signal, quickly preventing the temperature of the battery 7 from decreasing, and increasing the temperature of the battery 7. Has been.

なお、関連技術として、特許文献３には、電池パック保持部１０４により保持された電池パック１０３をスライドさせてパック１０３と装置本体１０１との間に間隙を持たせることにより、中央処理装置１０９からパック１０３への熱を断熱するとともに、中央処理装置１０９の動作周波数を高温モードで動作させる技術が開示されている。   As a related technique, Patent Document 3 discloses that the central processing unit 109 is configured to slide the battery pack 103 held by the battery pack holding unit 104 to provide a gap between the pack 103 and the apparatus main body 101. A technique is disclosed in which heat to the pack 103 is insulated and the operation frequency of the central processing unit 109 is operated in a high temperature mode.

特開平８−０１４０２７４号公報JP-A-8-0140274 特許第５０５１６７２号公報Japanese Patent No. 5051672 特開２０００−０３５７０３０号公報JP 2000-0357030 A

しかしながら、上述した特許文献１乃至３のいずれにも、特許文献１乃至３に記載の技術を、熱源を有する第１の筐体の一端辺と電池を有する第２の筐体の一端辺とを蝶番により接続し、蝶番を回転軸として第１の筐体または第２の筐体を回転させることができる構造を有するような携帯端末にどのように適用するかについては開示されていない。   However, in any of Patent Documents 1 to 3 described above, the technique described in Patent Documents 1 to 3 is applied to one end side of the first casing having a heat source and one end side of a second casing having a battery. It is not disclosed how to apply to a portable terminal having a structure in which the first casing or the second casing can be rotated about the hinge as a rotation axis.

本発明の目的は、上述した問題点を解決した携帯端末を提供することにある。   The objective of this invention is providing the portable terminal which solved the problem mentioned above.

本発明の第１の携帯端末は、
第１の筐体と、
第２の筐体と、
前記第１の筐体の一端辺と前記第２の筐体の一端辺とを接続する蝶番と、
前記第１の筐体の上面および前記第２の筐体の上面の少なくとも一方に設けられ、情報を表示する表示部と、
前記第１の筐体内に設けられた熱源と、
前記第１の筐体または前記第２の筐体を、前記第１の筐体の下面と前記第２の筐体の下面とが対向するよう前記蝶番を回転軸として回転させたとき、前記熱源と近接するよう前記第２の筐体内に設けられた電池と
から構成される。 The first portable terminal of the present invention is
A first housing;
A second housing;
A hinge connecting one end side of the first casing and one end side of the second casing;
A display unit that is provided on at least one of the upper surface of the first housing and the upper surface of the second housing and displays information;
A heat source provided in the first housing;
When the first casing or the second casing is rotated about the hinge as a rotation axis so that the lower surface of the first casing and the lower surface of the second casing face each other, the heat source And a battery provided in the second casing so as to be close to each other.

本発明の第２の携帯端末は、
第１の筐体と、
第２の筐体と、
前記第１の筐体の一端辺と前記第２の筐体の一端辺とを接続する蝶番と、
前記第１の筐体の上面および前記第２の筐体の上面の少なくとも一方に設けられ、情報を表示する表示部と、
前記第１の筐体内に設けられた熱源と、
前記第１の筐体または前記第２の筐体を、前記第１の筐体の下面と前記第２の筐体の下面とが対向するよう前記蝶番を回転軸として回転させたとき、前記熱源と近接するよう前記第２の筐体内に設けられた電池と、
前記第１の筐体または前記第２の筐体を、前記第１の筐体の下面と前記第２の筐体の下面とが対向するよう前記蝶番を回転軸として回転させたとき、前記熱源および前記電池と近接するよう前記第１の筐体の下面および前記第２の筐体の下面の少なくとも一方に設けられ、当該筐体の熱伝導率より高い熱伝導率を有する高熱伝導部材と
から構成される。 The second portable terminal of the present invention is
A first housing;
A second housing;
A hinge connecting one end side of the first casing and one end side of the second casing;
A display unit that is provided on at least one of the upper surface of the first housing and the upper surface of the second housing and displays information;
A heat source provided in the first housing;
When the first casing or the second casing is rotated about the hinge as a rotation axis so that the lower surface of the first casing and the lower surface of the second casing face each other, the heat source A battery provided in the second housing so as to be close to
When the first casing or the second casing is rotated about the hinge as a rotation axis so that the lower surface of the first casing and the lower surface of the second casing face each other, the heat source And a high thermal conductivity member provided on at least one of the lower surface of the first casing and the lower surface of the second casing so as to be close to the battery, and having a thermal conductivity higher than the thermal conductivity of the casing. Composed.

本発明には、周囲温度が低い場合でも、携帯端末を長時間利用することができるという効果がある。   The present invention has an effect that the portable terminal can be used for a long time even when the ambient temperature is low.

第１の実施形態を示す一部透視上面図である。It is a partially transparent top view which shows 1st Embodiment. 第１の実施形態における携帯端末１００の第１の筐体１０１または第２の筐体１０２を第１の回転方向に回転させた状態を示す図である。It is a figure which shows the state which rotated the 1st housing | casing 101 or the 2nd housing | casing 102 of the portable terminal 100 in 1st Embodiment in the 1st rotation direction. 第１の実施形態における携帯端末１００の第１の筐体１０１または第２の筐体１０２を第２の回転方向に回転させた状態を示す図である。It is a figure which shows the state which rotated the 1st housing | casing 101 or the 2nd housing | casing 102 of the portable terminal 100 in 1st Embodiment to the 2nd rotation direction. 図２のＡ−Ｂ線断面図である。It is the sectional view on the AB line of FIG. 第２の実施形態を示す一部透視上面図である。It is a partially transparent top view which shows 2nd Embodiment. 第２の実施形態における携帯端末２００の第１の筐体１０１または第２の筐体１０２を第１の回転方向に回転させた状態を示す断面図である。It is sectional drawing which shows the state which rotated the 1st housing | casing 101 or the 2nd housing | casing 102 of the portable terminal 200 in 2nd Embodiment to the 1st rotation direction. 一般的な折り畳み型携帯電話１を示す斜視図である。1 is a perspective view showing a general folding mobile phone 1. FIG. 一般的な電池が所定の電流値で放電している場合に、該電池の出力電圧が時間の経過とともにどのように変化するかを、周囲温度別（２５℃および−２０℃）に示す図である。When general batteries are discharged at a predetermined current value, how the output voltage of the battery changes over time is shown in a diagram showing by ambient temperature (25 ° C. and −20 ° C.). is there.

次に、本発明について図面を参照して詳細に説明する。   Next, the present invention will be described in detail with reference to the drawings.

＜第１の実施形態＞
まず、本発明の第１の実施形態について説明する。 <First Embodiment>
First, a first embodiment of the present invention will be described.

図１は、本実施形態を示す一部透視上面図である。   FIG. 1 is a partially transparent top view showing this embodiment.

図１を参照すると、本実施形態は携帯端末１００から構成され、携帯端末１００は、第１の筐体１０１と、第２の筐体１０２と、蝶番（ヒンジ）１０３とから構成される。   Referring to FIG. 1, the present embodiment includes a mobile terminal 100, and the mobile terminal 100 includes a first housing 101, a second housing 102, and a hinge (hinge) 103.

第１の筐体１０１は、第１の筐体１０１の上面に設けられ、文字や画像等の情報を表示するための表示部１０４と、第１の筐体１０１内に設けられた中央処理装置１０５（以下、「ＣＰＵ１０５」と言う。）とを含む。   The first casing 101 is provided on the upper surface of the first casing 101, and a display unit 104 for displaying information such as characters and images, and a central processing unit provided in the first casing 101 105 (hereinafter referred to as “CPU 105”).

第２の筐体１０２は、第２の筐体１０２の上面に設けられ、文字や画像等の情報を表示するための表示部１０６と、第２の筐体１０２内に設けられたリチウムイオン二次電池１０７とを含む。   The second housing 102 is provided on the upper surface of the second housing 102, and includes a display unit 106 for displaying information such as characters and images, and a lithium ion battery provided in the second housing 102. And a secondary battery 107.

なお、第１および第２の筐体１０１および１０２の材料は、樹脂等である。   The material of the first and second casings 101 and 102 is resin or the like.

ＣＰＵ１０５は、携帯端末１００の動作を制御するとともに、熱源となる。   The CPU 105 controls the operation of the mobile terminal 100 and serves as a heat source.

また、電池１０７は、ＣＰＵ１０５および携帯端末１００における各種の回路に電力を供給する。   The battery 107 supplies power to the CPU 105 and various circuits in the mobile terminal 100.

蝶番１０３は、第１の筐体１０１の右側の端辺と、第２の筐体１０２の左側の端辺とを接続し、第１の筐体１０１または第２の筐体１０２は、蝶番１０３を回転軸として回転できる。   The hinge 103 connects the right end of the first casing 101 and the left end of the second casing 102, and the first casing 101 or the second casing 102 is connected to the hinge 103. Can be rotated around the axis of rotation.

図２は、第２の筐体１０２を、第１の筐体１０１の下面と第２の筐体１０２の下面とが対向するよう第１の回転方向に回転したときの状態を示す図である。   FIG. 2 is a diagram illustrating a state when the second housing 102 is rotated in the first rotation direction so that the lower surface of the first housing 101 and the lower surface of the second housing 102 face each other. .

また、図３は、第２の筐体１０２を、第１の筐体１０１の上面と第２の筐体１０２の上面とが対向するよう第１の回転方向とは逆方向である第２の回転方向に回転したときの状態を示す図である。   Further, FIG. 3 illustrates the second casing 102 in a second direction that is opposite to the first rotation direction so that the upper surface of the first casing 101 and the upper surface of the second casing 102 face each other. It is a figure which shows a state when rotating in the rotation direction.

また、図４は、図２のＡ−Ｂ線断面図である。   4 is a cross-sectional view taken along the line AB of FIG.

図４を参照すると、第１の筐体１０１内には、基板１０８が設けられ、基板１０８の一方の面には表示部１０４が実装され、基板１０８の他方の面であって、筐体１０１の下面近傍にはＣＰＵ１０５が実装されている。   Referring to FIG. 4, a substrate 108 is provided in the first housing 101, the display unit 104 is mounted on one surface of the substrate 108, and the other surface of the substrate 108 is the housing 101. A CPU 105 is mounted in the vicinity of the lower surface of the CPU.

また、第２の筐体１０２内には、基板１０９が設けられ、基板１０９の一方の面には表示部１０６が実装され、基板１０９の他方の面であって、筐体１０２の下面近傍には電池１０７が実装されている。   In addition, a substrate 109 is provided in the second housing 102, a display unit 106 is mounted on one surface of the substrate 109, and on the other surface of the substrate 109 near the lower surface of the housing 102. A battery 107 is mounted.

図４から分かるように、ＣＰＵ１０５および電池１０７は、第１の筐体１０１または第２の筐体１０２を、第１の筐体１０１の下面と第２の筐体１０２の下面とが対向するよう蝶番１０３を回転軸として回転させたとき、ＣＰＵ１０５と電池１０７とが近接するような第１の筐体１０１および第２の筐体１０２内の位置にそれぞれ設けられている。   As can be seen from FIG. 4, the CPU 105 and the battery 107 are arranged such that the lower surface of the first housing 101 and the lower surface of the second housing 102 face each other in the first housing 101 or the second housing 102. The CPU 105 and the battery 107 are provided at positions in the first housing 101 and the second housing 102, respectively, such that the CPU 105 and the battery 107 are close to each other when the hinge 103 is rotated around the rotation shaft.

このように、筐体１０１の下面と筐体１０２の下面とが対向するようにした場合には、動作中のＣＰＵ１０５から発する高熱が、筐体１０１の下部および筐体１０２の下部を介して電池１０７に効率的に伝導されるため、こうして伝導された熱により、携帯端末１００の周囲温度が低いときにも電池の温度の低下が緩和され、電池の使用可能時間が伸び、結果として、携帯端末１００の利用可能時間が伸びる。   As described above, when the lower surface of the housing 101 and the lower surface of the housing 102 are opposed to each other, high heat generated from the operating CPU 105 is generated by the battery via the lower portion of the housing 101 and the lower portion of the housing 102. Therefore, even when the ambient temperature of the portable terminal 100 is low, the decrease in the temperature of the battery is alleviated and the usable time of the battery is extended. As a result, the portable terminal Increases 100 available hours.

以上、本実施形態には、周囲温度が低い場合でも、携帯端末を長時間利用することができるという効果がある。   As described above, this embodiment has an effect that the mobile terminal can be used for a long time even when the ambient temperature is low.

その理由は、筐体１０１の下面と筐体１０２の下面とが対向するようにした場合に、筐体１０１内の熱源であるＣＰＵと、筐体１０２内の電池とが近接するようにしたからである。   The reason is that when the lower surface of the housing 101 and the lower surface of the housing 102 face each other, the CPU that is a heat source in the housing 101 and the battery in the housing 102 are in close proximity. It is.

＜第２の実施形態＞
次に、本発明の第２の実施形態について説明する。 <Second Embodiment>
Next, a second embodiment of the present invention will be described.

図５は、第２の実施形態を示す一部透視断面図である。   FIG. 5 is a partially transparent sectional view showing the second embodiment.

本実施形態は、携帯端末２００から構成される。   The present embodiment is configured from a mobile terminal 200.

図５を参照すると、携帯端末２００の構成は、図１に示す第１の実施形態における携帯端末１００の構成とほぼ同様の構成であり、携帯端末１００の構成要素と同一の携帯端末２００のそれらには同一の参照符号が付与され、以下では、それらの説明は省略される。   Referring to FIG. 5, the configuration of mobile terminal 200 is substantially the same as the configuration of mobile terminal 100 in the first embodiment shown in FIG. 1, and those of mobile terminal 200 that are the same as the components of mobile terminal 100 are the same. Are given the same reference numerals, and description thereof will be omitted below.

携帯端末２００は、第２の筐体１０２の下面に高熱伝導部材２０１を有する。高熱伝導部材２０１は、例えば、充電電極や信号電極であっても良いが、それらに限定されるものではない。また、高熱伝導部材２０１は、筐体１０２の熱伝導率より高い熱伝導率を有する。   The portable terminal 200 has a high heat conductive member 201 on the lower surface of the second housing 102. The high heat conductive member 201 may be, for example, a charging electrode or a signal electrode, but is not limited thereto. Further, the high thermal conductivity member 201 has a thermal conductivity higher than that of the housing 102.

図６は、図４に対応する断面図、すなわち、第２の筐体１０２を、第１の筐体１０１の下面と第２の筐体１０２の下面とが対向するよう第１の回転方向に回転したときの状態を示す図である。   FIG. 6 is a cross-sectional view corresponding to FIG. 4, that is, the second housing 102 is moved in the first rotation direction so that the lower surface of the first housing 101 and the lower surface of the second housing 102 face each other. It is a figure which shows a state when rotating.

図６から分かるように、第２の筐体１０２を、第１の筐体１０１の下面と第２の筐体１０２の下面とが対向するよう第１の回転方向に回転したとき、高熱伝導部材２０１は、熱源であるＣＰＵ１０５と対向する位置に設けられている。   As can be seen from FIG. 6, when the second casing 102 is rotated in the first rotation direction so that the lower surface of the first casing 101 and the lower surface of the second casing 102 face each other, the high heat conductive member 201 is provided at a position facing the CPU 105 as a heat source.

本実施形態において、このように、筐体１０１の下面と筐体１０２の下面とが対向するようにした場合には、動作中のＣＰＵ１０５から発する高熱が、筐体１０１の下部、高熱伝導部材２０１および筐体１０２の下部を介して電池１０７に効率的に伝導されるため、こうして伝導された熱により、携帯端末２００の周囲温度が低いときにも電池の温度の低下が緩和され、電池の使用可能時間が伸び、結果として、携帯端末２００の利用可能時間が伸びる。   In the present embodiment, when the lower surface of the housing 101 and the lower surface of the housing 102 are opposed to each other in this way, high heat generated from the operating CPU 105 is generated in the lower portion of the housing 101, the high heat conducting member 201. Since the heat is efficiently conducted to the battery 107 through the lower part of the housing 102, the heat conducted in this manner can alleviate the decrease in the battery temperature even when the ambient temperature of the portable terminal 200 is low, and the battery is used. The available time increases, and as a result, the available time of the mobile terminal 200 increases.

なお、高熱伝導部材２０１は、筐体１０１の下面に設けてもよい。   Note that the high thermal conductive member 201 may be provided on the lower surface of the housing 101.

以上、本実施形態には、周囲温度が低い場合でも、携帯端末を長時間利用することができるという効果がある。   As described above, this embodiment has an effect that the mobile terminal can be used for a long time even when the ambient temperature is low.

その理由は、筐体１０１の下面と筐体１０２の下面とが対向するようにした場合に、筐体１０１内の熱源であるＣＰＵと、筐体１０２内の電池とが高熱伝導部材２０１を介して近接するようにしたからである。   The reason is that when the lower surface of the housing 101 and the lower surface of the housing 102 are opposed to each other, the CPU that is a heat source in the housing 101 and the battery in the housing 102 are interposed via the high heat conductive member 201. This is because they are close to each other.

１ 携帯電話
２ 第１の筐体
３ 第２の筐体
１０ 表示部
２０ 入力部
３０ 蝶番
１００ 携帯端末
１０１ 第１の筐体
１０２ 第２の筐体
１０３ 蝶番
１０４ 表示部
１０５ 中央処理装置
１０６ 表示部
１０７ リチウムイオン二次電池
１０８ 基板
１０９ 基板
２００ 携帯端末
２０１ 高熱伝導部材 DESCRIPTION OF SYMBOLS 1 Cellular phone 2 1st housing | casing 3 2nd housing | casing 10 Display part 20 Input part 30 Hinge 100 Portable terminal 101 1st housing | casing 102 2nd housing | casing 103 Hinge 104 Display part 105 Central processing unit 106 Display part 107 Lithium-ion secondary battery 108 Substrate 109 Substrate 200 Portable terminal 201 High heat conduction member

Claims (5)

第１の筐体と、
第２の筐体と、
前記第１の筐体の一端辺と前記第２の筐体の一端辺とを接続する蝶番と、
前記第１の筐体の上面および前記第２の筐体の上面の少なくとも一方に設けられ、情報を表示する表示部と、
前記第１の筐体内に設けられた熱源と、
使用される際に、前記第１の筐体または前記第２の筐体を、前記第１の筐体の下面と前記第２の筐体の下面とが対向するよう前記蝶番を回転軸として回転させたとき、前記熱源と近接するよう前記第２の筐体内に設けられた電池と、
前記第１の筐体または前記第２の筐体を、前記第１の筐体の下面と前記第２の筐体の下面とが対向するよう前記蝶番を回転軸として回転させたとき、前記熱源および前記電池と近接するよう前記第１の筐体の下面および前記第２の筐体の下面の少なくとも一方に設けられ、当該筐体の熱伝導率より高い熱伝導率を有する高熱伝導部材と
から構成されたことを特徴とする携帯端末。 A first housing;
A second housing;
A hinge connecting one end side of the first casing and one end side of the second casing;
A display unit that is provided on at least one of the upper surface of the first housing and the upper surface of the second housing and displays information;
A heat source provided in the first housing;
When used, the first housing or the second housing is rotated about the hinge as a rotation axis so that the lower surface of the first housing and the lower surface of the second housing face each other. A battery provided in the second housing so as to be close to the heat source,
When the first casing or the second casing is rotated about the hinge as a rotation axis so that the lower surface of the first casing and the lower surface of the second casing face each other, the heat source And a high thermal conductivity member provided on at least one of the lower surface of the first casing and the lower surface of the second casing so as to be close to the battery, and having a thermal conductivity higher than the thermal conductivity of the casing. A mobile terminal characterized by being configured. 前記熱源は、中央処理装置である
ことを特徴とする請求項１に記載の携帯端末。 The portable terminal according to claim 1, wherein the heat source is a central processing unit. 前記電池は、二次電池である
ことを特徴とする請求項１または２に記載の携帯端末。 The battery, the portable terminal according to claim 1 or 2, characterized in that a secondary battery. 前記二次電池は、リチウムイオン二次電池である
ことを特徴とする請求項３に記載の携帯端末。 The mobile terminal according to claim 3, wherein the secondary battery is a lithium ion secondary battery. 前記高熱伝導部材は、電極である
ことを特徴とする請求項１に記載の携帯端末。 The mobile terminal according to claim 1, wherein the high thermal conductive member is an electrode.
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