JP5595757B2 - Electrical equipment casing and electrical equipment - Google Patents

Electrical equipment casing and electrical equipment Download PDF

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JP5595757B2
JP5595757B2 JP2010047560A JP2010047560A JP5595757B2 JP 5595757 B2 JP5595757 B2 JP 5595757B2 JP 2010047560 A JP2010047560 A JP 2010047560A JP 2010047560 A JP2010047560 A JP 2010047560A JP 5595757 B2 JP5595757 B2 JP 5595757B2
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power
power plug
chassis
housing
connector
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JP2011181481A (en
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英勝 佐藤
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NEC Personal Computers Ltd
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Description

本発明は、コネクタを介して外部から供給を受ける電力により動作する電気機器の筐体に関する。   The present invention relates to a housing of an electric device that operates with electric power supplied from the outside via a connector.

電気機器を動作させるには電力が必要であり、外部から電力の供給を受ける電気機器や内蔵する電池から電力の供給を受ける電気機器が存在している。外部から電力の供給を受ける場合、外部電源と電気機器との間を電気的に接続する必要がある。電気機器の配置の自由度を確保するため、かかる電気的接続には導線を絶縁体で被覆した可撓性を有するケーブルを用いることが多く、さらにケーブルと電気機器とをコネクタを介して接続することで、コンセント形状が異なる複数の外部電源があっても、電気機器本体を変更することなく、ケーブルを変更するだけで容易に対応できるようになる。   Electric power is required to operate the electrical equipment, and there are electrical equipment that receives power from the outside and electrical equipment that receives power from a built-in battery. When power is supplied from the outside, it is necessary to electrically connect the external power source and the electric device. In order to secure the degree of freedom of arrangement of electrical equipment, a flexible cable in which a conductor is covered with an insulator is often used for such electrical connection, and the cable and electrical equipment are connected via a connector. Thus, even if there are a plurality of external power sources having different outlet shapes, it is possible to easily cope with the change of the cable without changing the main body of the electric device.

かかる電気機器の筐体を開いて内部にアクセスしなければならないことがある。例えば、パーソナルコンピュータにおいて、メインメモリやハードディスクドライブの交換を行うときや、筐体内部にたまった埃を除去したいときなどである。しかし、電気機器が動作しているときには筐体内部には所定の電圧が付加されており、内部にアクセスして電圧の付加された箇所に手が触れると感電等のおそれがある。   It may be necessary to open the housing of such an electrical device to access the inside. For example, in a personal computer, when the main memory or hard disk drive is replaced, or when it is desired to remove dust accumulated in the housing. However, when the electrical device is operating, a predetermined voltage is applied to the inside of the housing, and there is a risk of electric shock or the like if the inside is accessed and a hand is touched on the portion to which the voltage is applied.

特許文献１には、電源カバーを開いたときに電源出力を切断することにより、カバー開時の人体等への感電等の危険をなくす電源切断装置が開示されている。   Patent Document 1 discloses a power-off device that eliminates the danger of electric shock to a human body or the like when the cover is opened by cutting off the power output when the power cover is opened.

特開平６−６０７７０号公報JP-A-6-60770

特許文献１に記載の電源切断装置では、電源ＯＮの状態で筐体が開かれると、電源が切断される。これによって、筐体内部に手が触れても感電等が生じないようになっているが、動作中の状態から突然電源が切断されるため、電気機器は正常な電源切断処理を行うことができず、電気回路によっては動作不良を招くおそれがある。   In the power cut-off device described in Patent Document 1, when the casing is opened with the power on, the power is cut off. As a result, no electric shock or the like is generated even if a hand touches the inside of the housing, but since the power is suddenly cut off from the operating state, the electric device can perform a normal power-off process. However, some electric circuits may cause malfunction.

そこで、本発明は、突然の電源切断による電気機器の動作不良を生じさせることなく、筐体が開かれたときの感電等の危険をなくすことのできる電気機器筐体および電気機器に関する。   Therefore, the present invention relates to an electrical device casing and an electrical device that can eliminate the risk of electric shock when the housing is opened without causing malfunction of the electrical device due to sudden power off.

本発明の電気機器筐体は、挿抜可能な電源プラグから電力を受け取る電源コネクタが設置されたシャーシと、電力によって動作する部品が配置される筐体内部と部品が配置されない筐体外部とを区切るカバーとを、電源プラグの挿抜方向にスライドすることによって組み立てられた電気機器筐体であり、電源プラグが電源コネクタに挿入されているときにカバーがシャーシに対してスライドできないようロックし、電源プラグが電源コネクタから外されるとカバーがシャーシに対してスライドできるようにロックを解除するロック部材を有し、ロック部材は、電源プラグの挿抜方向に直交する方向に付勢され、スライド可能にシャーシに取り付けられ、電源コネクタに挿入可能に電源プラグが通過可能な開口を有し、開口を通過して電源プラグが電源コネクタに挿入可能な第１の位置から、開口の周囲の部材が電源コネクタを遮蔽して電源プラグを挿入不能な第２の位置に向けて付勢されていることを特徴とする。 Electrical equipment housing of the present invention, a chassis power connector is installed to receive power from the pluggable power plug, a housing external to the housing interior and components parts are arranged are not arranged to operate by electric power An electric device housing that is assembled by sliding the cover to be separated in the direction of inserting and removing the power plug, and locks the power plug so that it cannot slide relative to the chassis when the power plug is inserted into the power connector. It has a lock member that releases the lock so that the cover can slide relative to the chassis when the plug is removed from the power connector, and the lock member is urged in a direction perpendicular to the insertion / extraction direction of the power plug so that it can slide It has an opening that is attached to the chassis and through which the power plug can be inserted so that it can be inserted into the power connector. There is from a first position can be inserted into the power connector, it characterized that you have been biased toward the second position of non inserting the power plug around the member shields the power connector opening.

本発明の電気機器は、挿抜可能な電源プラグから電力を受け取る電源コネクタが設置されたシャーシと、電力によって動作する部品が配置される筐体内部と部品が配置されない筐体外部とを区切るカバーとを、電源プラグの挿抜方向にスライドすることによって組み立てられた筐体を有する電気機器であり、電源プラグが電源コネクタに挿入されているときにカバーがシャーシに対してスライドできないようロックし、電源プラグが電源コネクタから外されるとカバーがシャーシに対してスライドできるようにロックを解除するロック部材を有し、ロック部材は、電源プラグの挿抜方向に直交する方向に付勢され、スライド可能にシャーシに取り付けられ、電源コネクタに挿入可能に電源プラグが通過可能な開口を有し、開口を通過して電源プラグが電源コネクタに挿入可能な第１の位置から、開口の周囲の部材が電源コネクタを遮蔽して電源プラグを挿入不能な第２の位置に向けて付勢されていることを特徴とする。 The electrical device of the present invention includes a chassis in which a power connector that receives power from a pluggable power plug is installed, and a cover that separates the inside of the housing in which components that operate by power are arranged and the outside of the housing in which no components are arranged Is an electrical device having a housing assembled by sliding in the direction of inserting and removing the power plug, and locks the power plug so that the cover cannot slide relative to the chassis when the power plug is inserted into the power connector. Has a lock member that releases the lock so that the cover can slide relative to the chassis when the power connector is removed from the power connector, and the lock member is urged in a direction perpendicular to the insertion / extraction direction of the power plug to be slidable And has an opening through which the power plug can be inserted so that it can be inserted into the power connector. Lag is from the first position can be inserted into the power connector, it characterized that you have been biased toward the second position of non inserting the power plug around the member shields the power connector opening.

本発明によれば、突然の電源切断による電気機器の動作不良を生じさせることなく、筐体が開かれたときの感電等の危険をなくすことのできる電気機器筐体および電気機器を提供できる。   ADVANTAGE OF THE INVENTION According to this invention, the electric equipment housing | casing and electric equipment which can eliminate dangers, such as an electric shock when a housing | casing is opened, do not produce the malfunctioning of the electric equipment by sudden power-off.

本実施形態の電気機器の、筐体を開けられないときの電源コネクタ周辺の筐体構造を示す図である。It is a figure which shows the housing | casing structure of a power connector periphery when the housing | casing of the electric equipment of this embodiment cannot be opened. 本実施形態の電気機器の、筐体を開けられるときの電源コネクタ周辺の筐体構造を示す図である。It is a figure which shows the housing | casing structure of a power connector periphery when the housing | casing of the electric equipment of this embodiment can be opened.

以下、図面を参照して本発明を実施するための形態について詳細に説明する。本実施形態は、コネクタを介して外部から供給を受ける電力により動作し、筐体を開けて内部にアクセス可能なデスクトップ型パーソナルコンピュータであるが、本発明はデスクトップ型パーソナルコンピュータに限らず、コネクタを介して外部から供給を受ける電力により動作し、筐体を開けて内部にアクセス可能な電気機器に適用可能である。   DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out the present invention will be described in detail with reference to the drawings. The present embodiment is a desktop personal computer that operates with electric power supplied from the outside via a connector and can access the inside by opening the housing. However, the present invention is not limited to a desktop personal computer. The present invention can be applied to an electric device that operates with electric power supplied from the outside through the door and can access the inside by opening the housing.

図１は、本実施形態の電気機器の、筐体を開けられないときの電源コネクタ周辺の筐体構造を示す図であり、（１）は筐体外部を電源プラグ挿抜方向から見た図、（２）はＡ−Ａ断面図、（３）はＢ−Ｂ断面図である。   FIG. 1 is a diagram illustrating a housing structure around a power connector when the housing cannot be opened in the electrical apparatus according to the present embodiment, and (1) is a view of the outside of the housing as viewed from the direction of inserting and removing a power plug. (2) is an AA sectional view, and (3) is a BB sectional view.

図１を参照すると、本実施形態の電気機器の筐体は、シャーシ１に対してカバー３を、電源プラグを抜く向きにスライドして組み合わせることによって構成されている。すなわち、カバー３を、シャーシ１に対して電源プラグを挿す向きにスライドさせることにより、電気機器の筐体を開けることができる。   Referring to FIG. 1, the housing of the electrical apparatus according to the present embodiment is configured by combining the cover 3 with the chassis 1 by sliding the cover 3 in the direction in which the power plug is pulled out. That is, the housing of the electric device can be opened by sliding the cover 3 in the direction in which the power plug is inserted with respect to the chassis 1.

シャーシ１には、電源プラグ（図示しない）を挿して電源供給を受けるための電源コネクタ４が設けられている。また、シャーシ１には、電源プラグ挿抜方向と直交し、かつ、一方向に付勢されて、スライド可能にロック部材２が設けられている。ロック部材２は、筐体内部の部材と筐体外部の部材とを、例えば接着や筐体内部からのねじ止めなどにより接合して構成され、シャーシ１に設けられる開口（図示しない）を通して筐体内部と筐体外部とにまたがるように配置されている。   The chassis 1 is provided with a power connector 4 for receiving a power supply by inserting a power plug (not shown). Further, the chassis 1 is provided with a lock member 2 that is slidable by being urged in one direction orthogonal to the power plug insertion / extraction direction. The lock member 2 is configured by joining a member inside the housing and a member outside the housing, for example, by bonding or screwing from the inside of the housing, and the housing through an opening (not shown) provided in the chassis 1. It is arranged so as to straddle the inside and the outside of the housing.

ロック部材２は、筐体外部に突出するつまみ２ａ、電源プラグ挿抜方向と直交して筐体内部にシャーシ１に沿うように配置され、かつ、筐体外部に近づく向きに付勢される板バネ２ｂ、板バネ２ｂのシャーシ１側に突出する突起２ｃ、筐体内部に電源プラグ挿抜方向に直交して突出する係止部２ｄおよび筐体外部にあって電源コネクタ４の大きさに合わせた開口２ｅとを有している。   The locking member 2 is a leaf spring which is arranged to extend along the chassis 1 inside the casing perpendicular to the knob 2a and the power plug insertion / extraction direction, and is biased toward the outside of the casing. 2b, a protrusion 2c projecting toward the chassis 1 side of the leaf spring 2b, a locking portion 2d projecting perpendicularly to the direction of inserting and removing the power plug inside the housing, and an opening outside the housing and adapted to the size of the power connector 4 2e.

カバー３には、筐体内部に電源プラグ挿抜方向と直交するように突出する係合部３ａが設けられている。   The cover 3 is provided with an engaging portion 3a that protrudes so as to be orthogonal to the power plug insertion / extraction direction inside the housing.

図１は、図面下方に付勢されたロック部材２を図面上方に移動させて電源プラグを電源コネクタ４に挿入された状態の本実施形態の電気機器を示している。つまみ２ａを操作してロック部材２を図面上方に移動させることにより、係止部２ｄが係合部３ａの電源プラグを挿す向きにおける奥側に入り込むようになっている。そのため、カバー３をシャーシ１に対して電源プラグを挿す向きにスライドさせることができず、結果として電気機器の筐体を開けることができない。   FIG. 1 shows the electrical apparatus of the present embodiment in a state where the lock member 2 biased downward in the drawing is moved upward in the drawing and the power plug is inserted into the power connector 4. By operating the knob 2a to move the lock member 2 upward in the drawing, the engaging portion 2d enters the back side in the direction in which the power plug of the engaging portion 3a is inserted. Therefore, the cover 3 cannot be slid in the direction in which the power plug is inserted with respect to the chassis 1, and as a result, the housing of the electric device cannot be opened.

また、本実施形態の電気機器の筐体は、ロック部材２を移動させて電気機器の筐体を開けることができなくなっているときに、突起２ｃがシャーシ１に設けられる凹部１ａに嵌合するように構成されている。この嵌合によって、ロック部材２の図面下方への移動が抑止されるため、電子機器筐体の開放禁止状態をより確実に維持することができる。なお、筐体外部から凹部１ａを通して突起２ｃを筐体内部に向けて押下した状態でつまみ２ａを操作することにより、この嵌合状態は解除される。   Further, in the case of the electrical device according to the present embodiment, when the lock member 2 cannot be moved to open the housing of the electrical device, the protrusion 2c fits into the recess 1a provided in the chassis 1. It is configured as follows. This fitting prevents the lock member 2 from moving downward in the drawing, so that it is possible to more reliably maintain the electronic device casing from being prohibited from being opened. In addition, this fitting state is canceled by operating the knob 2a in a state where the protrusion 2c is pressed down from the outside of the housing through the recess 1a toward the inside of the housing.

続いて、図２を参照して、筐体を開けられるときの本実施形態の電気機器の状態を説明する。図２は、本実施形態の電気機器の、筐体を開けられるときの電源コネクタ周辺の筐体構造を示す図であり、（１）は筐体外部を電源プラグ挿抜方向から見た図、（２）はＡ−Ａ断面図、（３）はＢ−Ｂ断面図である。   Next, with reference to FIG. 2, the state of the electrical device of the present embodiment when the housing can be opened will be described. FIG. 2 is a diagram showing a housing structure around a power connector when the housing is opened in the electrical device of the present embodiment, and (1) is a diagram of the outside of the housing viewed from the direction of inserting and removing the power plug. 2) is an AA cross-sectional view, and (3) is a BB cross-sectional view.

図２は、ロック部材２が図面下方に付勢され、筐体を開けられる状態を示している。すなわち、ロック部材２が図面下方にスライドしているため、係止部２ｄが図面下方にずれていて、カバー３をスライドさせたときの係合部３ａの進路を妨げないようになっている。そのため、カバー３をシャーシ１に対して電源プラグを挿す向きにスライドさせることができ、結果として電気機器の筐体を開けることができる。なお、開口２ｅが図面下方にスライトしているため、電源コネクタ４とずれており、電源プラグを電源コネクタ４に挿入できなくなっている。   FIG. 2 shows a state in which the lock member 2 is urged downward in the drawing and the housing can be opened. That is, since the lock member 2 slides downward in the drawing, the locking portion 2d is displaced downward in the drawing, so that the path of the engagement portion 3a when the cover 3 is slid is not obstructed. Therefore, the cover 3 can be slid in the direction in which the power plug is inserted with respect to the chassis 1, and as a result, the housing of the electric device can be opened. Since the opening 2e is slited downward in the drawing, it is displaced from the power connector 4, and the power plug cannot be inserted into the power connector 4.

以上のように構成することにより、電源プラグが電源コネクタに挿入されているときに電気機器の筐体を開けられないようになるため、筐体が開かれたときの感電等の危険をなくすことができる。   By configuring as described above, it becomes impossible to open the housing of the electric device when the power plug is inserted into the power connector. Therefore, the risk of electric shock or the like when the housing is opened is eliminated. Can do.

１ シャーシ
２ ロック部材
２ａ つまみ
２ｂ 板バネ
２ｃ 突起
２ｄ 係止部
２ｅ 開口
３ カバー
３ａ 係合部
４ 電源コネクタ DESCRIPTION OF SYMBOLS 1 Chassis 2 Lock member 2a Knob 2b Leaf spring 2c Projection 2d Locking part 2e Opening 3 Cover 3a Engagement part 4 Power supply connector

Claims (3)

挿抜可能な電源プラグから電力を受け取る電源コネクタが設置されたシャーシと、前記電力によって動作する部品が配置される筐体内部と前記部品が配置されない筐体外部とを区切るカバーとを、前記電源プラグの挿抜方向にスライドすることによって組み立てられた電気機器筐体であって、
前記電源プラグが前記電源コネクタに挿入されているときに前記カバーが前記シャーシに対してスライドできないようロックし、前記電源プラグが前記電源コネクタから外されると前記カバーが前記シャーシに対してスライドできるようにロックを解除するロック部材を有し、
前記ロック部材は、前記電源プラグの挿抜方向に直交する方向に付勢され、スライド可能に前記シャーシに取り付けられ、
前記電源コネクタに挿入可能に前記電源プラグが通過可能な開口を有し、前記開口を通過して前記電源プラグが前記電源コネクタに挿入可能な第１の位置から、前記開口の周囲の部材が前記電源コネクタを遮蔽して前記電源プラグを挿入不能な第２の位置に向けて付勢されていることを特徴とする、電気機器筐体。 The power plug includes a chassis in which a power connector that receives power from a pluggable power plug is installed, and a cover that divides the inside of the casing in which the component that operates by the power is arranged and the outside of the casing in which the component is not arranged An electrical equipment housing assembled by sliding in the insertion / extraction direction of
The cover is locked so that it cannot slide with respect to the chassis when the power plug is inserted into the power connector, and the cover can slide with respect to the chassis when the power plug is removed from the power connector. So as to have a lock member for releasing the lock,
The lock member is urged in a direction orthogonal to the insertion / extraction direction of the power plug, and is slidably attached to the chassis,
An opening through which the power plug can be inserted so as to be insertable into the power connector, and a member around the opening from the first position through which the power plug can be inserted into the power connector. characterized that you have biased the power connector to shield toward the inserted non second position the power plug, an electrical equipment housing. 前記シャーシは、前記電源プラグの挿抜方向に直交する方向に突出する係合部を有し、
前記ロック部材は、前記電源プラグの挿抜方向に直交する方向に突出し、前記第１の位置にあるときに前記係合部と係合せず、前記第２の位置にあるときに前記係合部と係合する係止部を有することを特徴とする、請求項１に記載の電気機器筐体。 The chassis has an engaging portion protruding in a direction orthogonal to the insertion / extraction direction of the power plug,
The lock member protrudes in a direction perpendicular to the insertion / extraction direction of the power plug, and does not engage with the engagement portion when in the first position, and with the engagement portion when in the second position. The electric device casing according to claim 1 , further comprising a locking portion to be engaged. 挿抜可能な電源プラグから電力を受け取る電源コネクタが設置されたシャーシと、前記電力によって動作する部品が配置される筐体内部と前記部品が配置されない筐体外部とを区切るカバーとを、前記電源プラグの挿抜方向にスライドすることによって組み立てられた筐体を有する電気機器であって、
前記電源プラグが前記電源コネクタに挿入されているときに前記カバーが前記シャーシに対してスライドできないようロックし、前記電源プラグが前記電源コネクタから外されると前記カバーが前記シャーシに対してスライドできるようにロックを解除するロック部材を有し、
前記ロック部材は、前記電源プラグの挿抜方向に直交する方向に付勢され、スライド可能に前記シャーシに取り付けられ、
前記電源コネクタに挿入可能に前記電源プラグが通過可能な開口を有し、前記開口を通過して前記電源プラグが前記電源コネクタに挿入可能な第１の位置から、前記開口の周囲の部材が前記電源コネクタを遮蔽して前記電源プラグを挿入不能な第２の位置に向けて付勢されていることを特徴とする、電気機器。 The power plug includes a chassis in which a power connector that receives power from a pluggable power plug is installed, and a cover that divides the inside of the casing in which the component that operates by the power is arranged and the outside of the casing in which the component is not arranged An electrical device having a housing assembled by sliding in the insertion / extraction direction of
The cover is locked so that it cannot slide with respect to the chassis when the power plug is inserted into the power connector, and the cover can slide with respect to the chassis when the power plug is removed from the power connector. So as to have a lock member for releasing the lock,
The lock member is urged in a direction orthogonal to the insertion / extraction direction of the power plug, and is slidably attached to the chassis,
An opening through which the power plug can be inserted so as to be insertable into the power connector, and a member around the opening from the first position through which the power plug can be inserted into the power connector. characterized in that the power connector to shield biased toward the insertion non second position the power plug, electrical equipment.
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JPH0660770A (en) * 1992-08-10 1994-03-04 Nec Corp Electric power source cutoff apparatus
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