JP4715583B2 - Electronic device shield structure - Google Patents

Electronic device shield structure Download PDF

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JP4715583B2
JP4715583B2 JP2006086901A JP2006086901A JP4715583B2 JP 4715583 B2 JP4715583 B2 JP 4715583B2 JP 2006086901 A JP2006086901 A JP 2006086901A JP 2006086901 A JP2006086901 A JP 2006086901A JP 4715583 B2 JP4715583 B2 JP 4715583B2
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coil spring
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surface portion
housing
lid
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史 服部
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Meidensha Corp
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本発明は、複数の電子回路基板を略平行に並べて収納する筐体の開口部を、複数の金属製の蓋パネルを並べて配置して塞ぐとともに、これら蓋パネル相互間および蓋パネルと筐体の間を接続部材によって電気的に接続して上記筐体の開口部を電磁気的に全面シールドする電子機器ユニットのシールド構造に関するものである。   The present invention closes an opening of a housing that houses a plurality of electronic circuit boards side by side in parallel, by arranging a plurality of metal lid panels side by side, and between the lid panels and between the lid panel and the housing. The present invention relates to a shield structure for an electronic device unit that is electrically connected to each other by a connecting member and electromagnetically shields the entire opening of the housing.

電子機器ユニットのシールド構造として、例えば図１１に示すように、複数の電子回路基板１０１を平行に並べて収納する筐体１０２の開口部１０３を、複数の金属製の蓋パネル１０４を並べて配置して塞ぐとともに、これら蓋パネル１０４相互間および蓋パネル１０４と上記筐体１０２の開口部１０３の側部とを接続部材１０５によって電気的に接続して上記筐体１０２の開口部１０３を電磁気的に全面シールドしたものが知られている。   As a shield structure of an electronic device unit, for example, as shown in FIG. 11, an opening 103 of a housing 102 that houses a plurality of electronic circuit boards 101 arranged in parallel is arranged with a plurality of metal lid panels 104 arranged side by side. In addition to closing, the lid panel 104 and the lid panel 104 and the side of the opening 103 of the casing 102 are electrically connected by a connecting member 105 so that the opening 103 of the casing 102 is electromagnetically exposed to the entire surface. What is shielded is known.

上記蓋パネル１０４は、図１２に示すように、正面部１０４ａと、この正面部１０４ａの両側から電子回路基板装着方向外方に延在する相互に平行な一対の側面部１０４ｂ，１０４ｃとによって、略コ字状に形成されている。一方、上記接続部材１０５は、ステンレススチール等の薄い板材で形成されていて、ビス１０６により上記蓋パネル１０４の正面部１０４ａの背面に取り付けられる。上記接続部材１０５は、一側部に隣接する蓋パネル１０４の側面部１０４ｃに接触する複数の第1の接触爪部１０５ａを備え、上，下端に上記筐体１０２内側の上，下面に接触する隣接する蓋パネル１０４の側面部１０４ｃに接触する第２，第３の接触爪部１０５ｂ，１０５ｃを備えている。   As shown in FIG. 12, the lid panel 104 includes a front part 104a and a pair of side parts 104b and 104c that are parallel to each other and extend outward from both sides of the front part 104a in the electronic circuit board mounting direction. It is formed in a substantially U shape. On the other hand, the connecting member 105 is formed of a thin plate material such as stainless steel, and is attached to the back surface of the front portion 104 a of the lid panel 104 by a screw 106. The connecting member 105 includes a plurality of first contact claw portions 105a that contact the side surface portion 104c of the lid panel 104 adjacent to one side portion, and contact the upper and lower surfaces inside the housing 102 at the upper and lower ends. Second and third contact claw portions 105b and 105c that contact the side surface portion 104c of the adjacent lid panel 104 are provided.

そして、上記複数の第1の接触爪部１０５ａで、隣接する蓋パネル１０４相互を電気的に接続し、上記第２，第３の接触爪部１０５ｂ，１０５ｃで、上記蓋パネル１０４と上記筐体１０２の上，下面を電気的に接続して、蓋パネル１０４を接地する構成になっている。なお、上記蓋パネル１０４の一対の側面部１０４ｂ，１０４ｃ間には、イジェクタ（蓋ロック部材）１０７が回動可能に取り付けられている。（例えば特許文献１）。
特開平３−８８３９６号公報（第３頁右上欄第1０〜１９行、第３頁右下欄第1〜２０行等） The plurality of first contact claw portions 105a electrically connect adjacent lid panels 104 to each other, and the second and third contact claw portions 105b and 105c connect the lid panel 104 and the housing. The upper and lower surfaces of 102 are electrically connected, and the lid panel 104 is grounded. An ejector (lid lock member) 107 is rotatably attached between the pair of side surface portions 104b and 104c of the lid panel 104. (For example, patent document 1).
JP-A-3-88396 (page 3, upper right column, lines 10-19, page 3, lower right column, lines 1-20)

ところで、上記従来のシールド構造においては、上述したように、上記金属製の蓋パネル１０４を、正面部１０４ａと、この正面部１０４ａの両側から電子回路基板装着方向外方に伸びる相互に平行な一対の側面部１０４ｂ，１０４ｃとによって、略コ字状に形成しているため、上記蓋パネル１０４の一対の側面部１０４ｂ，１０４ｃ間にイジェクタ（蓋ロック部材）１０７を回動可能に取り付けるのには便利であるが、蓋パネル１０４によって筐体１０２の奥行寸法が大きくなる。   By the way, in the conventional shield structure, as described above, the metal lid panel 104 includes a front part 104a and a pair of parallel parts extending outward from the both sides of the front part 104a in the electronic circuit board mounting direction. The side surface portions 104b and 104c of the lid panel 104 are formed in a substantially U-shape, so that the ejector (lid cover member) 107 can be rotatably mounted between the pair of side surface portions 104b and 104c of the lid panel 104. Although convenient, the lid panel 104 increases the depth of the housing 102.

そのため、例えば図１３に示すように、上記蓋パネル１０４の一対の側面部１０４ｂ，１０４ｃを正面部１０４ａに対して電子回路基板装着方向内方に伸ばすことにより、筐体１０２の奥行寸法が大きくならないようにした電子機器ユニットもある。このような電子機器ユニットにおいては、図１４に拡大して示したように、上記接続部材１０５を、板バネ材を折り曲げて断面略Ｕ字状に形成したクリップ部１０５ｄと、該クリップ部１０５ｄの一端部に連続する円弧状の接触部１０５ｅとで構成し、上記断面略Ｕ字状のクリップ部１０５ｄに上記一方の側面部１０４ｃを差し込んで取付け、上記円弧状の接触部１０５ｅを隣接する上記蓋パネル１０４の側面部１０４ｂに接触させ、或いは図１５に示すように、上記接続部材１０５を、導電性を持たせたウレタンフォームで半球形のガスケット状に形成して、これを一方の側面部１０４ｃに貼り付けるなどして取付け、上記半球形の接続部材１０５の先端部を隣接する上記蓋パネル１０４の側面部１０４ｂに接触させている。   Therefore, for example, as shown in FIG. 13, the depth dimension of the housing 102 does not increase by extending the pair of side surface portions 104b and 104c of the lid panel 104 inward in the electronic circuit board mounting direction with respect to the front surface portion 104a. There is also an electronic device unit. In such an electronic device unit, as shown in an enlarged view in FIG. 14, the connection member 105 is formed by bending a leaf spring material into a substantially U-shaped cross section, and a clip portion 105d. The arc-shaped contact portion 105e continuous to one end, the one side surface portion 104c is inserted and attached to the clip portion 105d having a substantially U-shaped cross section, and the arc-shaped contact portion 105e is adjacent to the lid. As shown in FIG. 15, the connecting member 105 is formed into a hemispherical gasket shape with urethane foam having conductivity, as shown in FIG. 15, and this is connected to one side surface portion 104c. The hemispherical connecting member 105 is brought into contact with the side surface portion 104b of the adjacent lid panel 104.

しかし、前者のクリップタイプの接続部材１０５は、蓋パネル１０４の側面部１０４ｃを差し込むためのクリップ部１０５ｄが必要で、かつ蓋パネル１０４の側面部１０４ｃに安定した状態で取付けるためには、図１３に示すように、クリップ部１０５ｄを取付ける側面部１０４ｃの長さ寸法Ｌ１を長くする必要があることから、蓋パネル１０４の奥行寸法Ｌ２が長くなってしまう。（ＩＥＥＥ１１０１．１０の規格で定められている寸法を超えてしまう）。よって、隣接するスロットの電子回路基板１０１の部品リード１０８との絶縁距離Ｌ３を十分に確保することができない。   However, the former clip-type connecting member 105 requires the clip portion 105d for inserting the side surface portion 104c of the lid panel 104, and is attached to the side surface portion 104c of the lid panel 104 in a stable state. As shown in FIG. 4, since the length dimension L1 of the side surface part 104c to which the clip part 105d is attached needs to be increased, the depth dimension L2 of the lid panel 104 is increased. (Exceeds the dimensions defined in the IEEE 1101.10 standard). Therefore, a sufficient insulation distance L3 from the component lead 108 of the electronic circuit board 101 in the adjacent slot cannot be ensured.

また、ガスケット状の接続部材１０５を使用した場合には、筐体１０２への蓋パネル１０４の挿抜の際に上記接続部材１０５にせん断方向の力が加わるために、ガスケット状の接続部材１０５が剥がれ落ちる虞がある。また、ガスケット状の接続部材１０５は、ウレタンフォーム等で形成されているため経年変化を起こして接触不良を起こす虞がある。   Further, when the gasket-like connection member 105 is used, a shearing force is applied to the connection member 105 when the lid panel 104 is inserted into and removed from the housing 102, so that the gasket-like connection member 105 is peeled off. There is a risk of falling. Further, since the gasket-like connecting member 105 is formed of urethane foam or the like, there is a risk of causing aging and poor contact.

本願発明の目的は、上記従来の問題点を解決し、図１１〜図1５に示すような特別の接続部材を使用せずに、しかも、隣接するスロットの電子回路基板の部品リード等との絶縁距離を十分に確保することができ、且つ、蓋パネルからの接続部材の脱落を確実に防止することのできる電子機器ユニットのシールド構造を提供することにある。   The object of the present invention is to solve the above-mentioned conventional problems, without using a special connecting member as shown in FIGS. 11 to 15, and to insulate the component lead of the electronic circuit board in the adjacent slot. An object of the present invention is to provide a shield structure for an electronic device unit that can secure a sufficient distance and can reliably prevent a connecting member from falling off a lid panel.

請求項１の発明は、複数の電子回路基板を略平行に並べて収納する筐体の開口部を、複数の金属製の蓋パネルを並べて配置して塞ぐとともに、これら蓋パネル相互間および蓋パネルと筐体の間をコイルバネによって電気的に接続して上記筐体の開口部を電磁気的に全面シールドする電子機器ユニットのシールド構造において、
上記蓋パネルは、長方形状の主面部と、該主面部の長辺側を略直角に折り曲げることにより形成された一対の側面部と、を備え、
上記一対の側面部の少なくとも一方の側面部は、上記コイルバネの内周部に挿入することにより該コイルバネを上記一方の側面部に沿って取付け、該コイルバネの外周面を隣接する蓋パネルの一方の側面部に接触させるコイルバネ取付部を備え、
上記コイルバネ取付部は、スリットにより上下一対のバネ挿入部に分割されていて、
上記上下一対のバネ挿入部は、折り曲げ部を介して他方の側面部側に向けて突出する突出部を備えていることを特徴とする。 According to the first aspect of the present invention, the opening of the housing that houses the plurality of electronic circuit boards arranged in parallel is closed by arranging a plurality of metal lid panels side by side, and between the lid panels and between the lid panels. In the shield structure of the electronic device unit that electrically connects between the casings by a coil spring and electromagnetically shields the entire opening of the casing,
The lid panel includes a rectangular main surface portion, and a pair of side surface portions formed by bending the long side of the main surface portion at a substantially right angle,
At least one side surface portion of the pair of side surface portions is attached to the inner peripheral portion of the coil spring to attach the coil spring along the one side surface portion, and the outer peripheral surface of the coil spring is attached to one of the adjacent lid panels. Provided with a coil spring mounting part to be brought into contact with the side part,
The coil spring mounting portion is divided into a pair of upper and lower spring insertion portions by a slit,
The pair of upper and lower spring insertion portions includes a protruding portion that protrudes toward the other side surface portion through the bent portion.

請求項１の電子機器ユニットのシールド構造には、次に述べるような効果がある。
（１）蓋パネル相互を電磁気的に接続する接続部材にコイルバネを使用したので、従来のように特別に接続部材を製造する必要はなく、既存のコイルバネを使用することができる。また、コイルバネの弾性を利用して、効果的に接続部材としてのコイルバネの外周側を隣接する蓋パネルの一方の側面部に接触させることができる。
（２）上記蓋パネルの一対の側面部の少なくとも一方の側面部に設けたコイルバネ取付部をコイルバネの内周部に挿入することにより該コイルバネを上記一方の側面部に沿って取付けて、該コイルバネの外周面を、隣接する蓋パネルの一方の側面部に接触させることができる。
（３）コイルバネ取付部をスリットにより上下一対のバネ挿入部に分割したので、上方のバネ挿入部をコイルバネの上端側に挿入すると共に、下方のバネ挿入部をコイルバネの下端側に挿入することにより、簡単且つ容易にコイルバネを取付けることができる。
（４）上記上下一対のバネ挿入部に、折り曲げ部を介して他方の側面部側に向けて突出する突出部を設けたので、該突出部によって一対のバネ挿入部の肉厚を厚くし、これによって上記コイルバネ取付部に取付けたコイルバネの直径方向への移動量を調整し、コイルバネの外周部を確実に隣接する蓋パネルの一方の側面部に接触させることができる。 The shield structure of the electronics unit of 請 Motomeko 1, there is described below effects.
(1) Since the coil spring is used as the connection member for electromagnetically connecting the lid panels to each other, it is not necessary to manufacture the connection member specially as in the prior art, and the existing coil spring can be used. Further, by utilizing the elasticity of the coil spring, the outer peripheral side of the coil spring as the connecting member can be effectively brought into contact with one side surface portion of the adjacent lid panel.
(2) the coil spring by the coil spring mounting portion provided on at least one side portion of the pair of side portions of the upper Kifuta panel inserted into the inner periphery of the coil spring mounted along the side portion of one said, the The outer peripheral surface of a coil spring can be made to contact one side part of an adjacent lid panel.
(3) co Irubane since the attachment portion is divided into the spring insertion unit of the upper and lower by the slit, is inserted over the spring insertion portion at the upper end of the coil spring, inserting the spring insertion portion of the lower on the lower end side of the coil spring Thus, the coil spring can be easily and easily attached.
(4) Since the above-mentioned pair of upper and lower spring insertion portions are provided with a protruding portion that protrudes toward the other side surface portion via the bent portion, the thickness of the pair of spring insertion portions is increased by the protruding portion, Accordingly, the amount of movement of the coil spring attached to the coil spring attachment portion in the diameter direction can be adjusted, and the outer peripheral portion of the coil spring can be reliably brought into contact with one side surface portion of the adjacent lid panel .

図１は本発明のシールド構造を施した電子機器ユニットの斜視図であり、複数の電子回路基板１を平行に並べて収納する筐体２の開口部３を、導電性を有する複数の金属製の蓋パネル４を並べて配置して塞ぐとともに、これら蓋パネル４相互および蓋パネル４と筐体２の開口部３の両側部を接続部材としてのコイルバネ４によって電気的に接続して蓋パネル４の接地を確保し、上記筐体２の開口部３を電磁気的に全面シールドしている。   FIG. 1 is a perspective view of an electronic device unit having a shield structure according to the present invention, in which an opening 3 of a housing 2 that houses a plurality of electronic circuit boards 1 arranged in parallel is made of a plurality of conductive metals. The lid panels 4 are arranged side by side and closed, and both the lid panels 4 and both sides of the lid panel 4 and the opening 3 of the housing 2 are electrically connected by a coil spring 4 as a connecting member to ground the lid panel 4. And the opening 3 of the housing 2 is electromagnetically shielded on the entire surface.

図2〜図６は参考例を示す。上記蓋パネル４は、縦長の長方形状の主面部４ａと、該主面部４ａの長辺側を内方に略直角に折り曲げることにより形成された一対の側面部４ｂ，４ｃと、を備えていて、上記一対の側面部４ｂ，４ｃの少なくとも一方の側面部４ｃは、上記コイルバネ５の内周部に挿入することにより該コイルバネ５を上記一方の側面部４ｃに沿って取付けるコイルバネ取付部６を備えている。 2 to 6 show reference examples . The lid panel 4 includes a vertically long rectangular main surface portion 4a and a pair of side surface portions 4b and 4c formed by bending the long side of the main surface portion 4a inward at a substantially right angle. In addition, at least one side surface portion 4c of the pair of side surface portions 4b and 4c includes a coil spring mounting portion 6 for mounting the coil spring 5 along the one side surface portion 4c by being inserted into the inner peripheral portion of the coil spring 5. ing.

上記コイルバネ取付部６は、第1，第２，第３のスリット７，８，９により上下一対の取付部６ａ，６ｂに分断されている。上記一対の取付部６ａ，６ｂの幅Ｗ１は、上記コイルバネ５の内径Ｄ１と略同じ幅に形成されている。   The coil spring mounting portion 6 is divided into a pair of upper and lower mounting portions 6a and 6b by first, second, and third slits 7, 8, and 9. A width W1 of the pair of attachment portions 6a and 6b is formed to be substantially the same width as the inner diameter D1 of the coil spring 5.

次に、コイルバネ５のコイルバネ取付部６への取付け方法の一例及びコイルバネ５の作用について説明する。コイルバネ５をコイルバネ取付部６へ取付ける際には、先ず図３に示すように、コイルバネ５の上端側を上記第1のスリット７から上方の取付部６ａに挿入したのち、コイルバネ５の下端側を上記第1のスリット７から下方の取付部６ａに挿入することにより、コイルバネ５は、図4に示すように、上半部５ａ内に上記取付部６ａが挿入され、下半部５ｂ内に上記取付部６ｂが挿入された状態で上記コイルバネ取付部６に取り付けられる。そして、コイルバネ５は、外周部の一部が上記蓋パネル４の主面部４ａに接触すると共に、内周部が上記取付部６ａ，６ｂに接触した状態になる。   Next, an example of an attachment method of the coil spring 5 to the coil spring attachment portion 6 and an operation of the coil spring 5 will be described. When the coil spring 5 is attached to the coil spring attachment portion 6, first, as shown in FIG. 3, after the upper end side of the coil spring 5 is inserted into the attachment portion 6a above the first slit 7, the lower end side of the coil spring 5 is attached. When the coil spring 5 is inserted into the lower mounting portion 6a from the first slit 7, the mounting portion 6a is inserted into the upper half 5a, and the coil spring 5 is inserted into the lower half 5b as shown in FIG. It is attached to the coil spring attachment portion 6 with the attachment portion 6b being inserted. And the coil spring 5 will be in the state which a part of outer peripheral part contacted the main surface part 4a of the said cover panel 4, and the inner peripheral part contacted the said attaching parts 6a and 6b.

上述のようにして、コイルバネ５をコイルバネ取付部６へ取付けた蓋パネル４を筐体２の開口部３に取付けると、図５に示すように、上記コイルバネ５の外周部は、隣接する蓋パネル４の一方の側面部４ｂに接触して押圧され、図6に示すように、倒れるようにして圧縮され、隣接する蓋パネル４の一方の側面部４ｂとの接触状態を維持する。同様に図１の最右側に位置する蓋パネル４のコイルバネ５の外周部は、筐体２の内面に接触し押圧されて筐体２との接触状態を維持する。そして、全ての蓋パネル４の接地が確保される。なお、電子回路基板１は、蓋パネル４に取付けて、蓋パネル４と一緒に出し入れする構成にしても、或いは、筐体２側に予め取付ける構成になっている。 When the cover panel 4 having the coil spring 5 attached to the coil spring attachment portion 6 is attached to the opening 3 of the housing 2 as described above, the outer peripheral portion of the coil spring 5 is adjacent to the cover panel as shown in FIG. 4 is brought into contact with and pressed against one side surface portion 4b, and is compressed so as to fall down, as shown in FIG. 6, and maintains a contact state with one side surface portion 4b of the adjacent lid panel 4. Similarly, the outer peripheral portion of the coil spring 5 of the lid panel 4 located on the rightmost side of FIG. 1 is in contact with and pressed against the inner surface of the housing 2 to maintain a contact state with the housing 2. And grounding of all the cover panels 4 is ensured. The electronic circuit board 1 is attached to the lid panel 4, be configured and out with the lid panel 4, or has a pre-attached configuration to the housing 2 side.

図７〜図１０は、本発明のコイルバネ取付部６の実施例を示す。実施例において、コイルバネ取付部６を構成する上下一対の取付部６ａ，６ｂには、それぞれ折り曲げ部６ｃを介して他方の側面部４ｂ側に向けて突出する突出部６ｄが形成されている。図9に示すように、上記折り曲げ部６ｃ及び突出部６ｄによって、上記取付部６ａ，６ｂの厚さＴ１は、側面部４ｂの肉厚Ｔ２の３〜４倍程度で、かつ上記コイルバネ５の内径Ｄ１の２／３〜４／５前後に形成されている。 7 to 10 show the actual施例of the coil spring mounting portion 6 of the present invention. In actual施例, a pair of upper and lower mounting portions 6a constituting the coil spring mounting portion 6, the 6b, protrusions 6d protruding toward the other side portion 4b side through the respective bent portion 6c is formed. As shown in FIG. 9, due to the bent portion 6c and the protruding portion 6d, the thickness T1 of the attachment portions 6a and 6b is about 3 to 4 times the wall thickness T2 of the side surface portion 4b, and the inner diameter of the coil spring 5 It is formed around 2/3 to 4/5 of D1.

この実施例において、コイルバネ取付部６に取り付けられたコイルバネ５は、上記第1の実施例の場合に較べて、蓋パネル４の中央部側に変位させて取付けることができ、コイルバネ５の外周部の一部を確実に蓋パネル４の主面部４ａに接触させることができる。また、図１０に示すように、上記突出部６ｄによって取付部６ａ，６ｂの厚さＴ１を調整することにより、コイルバネ４の移動量Ｍ１を調整することができる。その他の構成は、参考例の場合と同様であるので重複する説明は省略する。 In this embodiment, the coil spring 5 attached to the coil spring attaching portion 6 can be displaced and attached to the center side of the cover panel 4 as compared with the case of the first embodiment. Can be reliably brought into contact with the main surface portion 4 a of the lid panel 4. Further, as shown in FIG. 10, the amount of movement M1 of the coil spring 4 can be adjusted by adjusting the thickness T1 of the attachment portions 6a and 6b by the protruding portion 6d. Other configurations are the same as those in the case of the reference example , and thus redundant description is omitted.

本発明のシールド構造を施した電子機器ユニットの斜視図。The perspective view of the electronic device unit which gave the shield structure of this invention. 参考例のコイルバネ取付部を示す斜視図。 The perspective view which shows the coil spring attaching part of a reference example . 参考例のコイルバネ取付部へのコイルバネの取付け方法の一例を示す説明図。Explanatory drawing which shows an example of the attachment method of the coil spring to the coil spring attachment part of a reference example . 参考例のコイルバネ取付部へのコイルバネの取付けた状態を示す斜視図。 The perspective view which shows the state which attached the coil spring to the coil spring attachment part of a reference example . 参考例のコイルバネが圧縮されている状態を示す平面図。 The top view which shows the state by which the coil spring of a reference example is compressed. 参考例のコイルバネが圧縮されて倒れた状態を示す斜視図。 The perspective view which shows the state which the coil spring of the reference example was compressed and fell down. 本発明のコイルバネ取付部の実施例を示す斜視図。Perspective view showing an actual施例of the coil spring attaching part of the present invention. 本発明のコイルバネ取付部へのコイルバネの取付けた状態を示す斜視図。 The perspective view which shows the state which attached the coil spring to the coil spring attaching part of this invention . 本発明のコイルバネが圧縮されている状態を示す平面図。 The top view which shows the state by which the coil spring of this invention is compressed. 本発明のコイルバネ取付部の厚さとコイルバネの変位量の関係を示す説明図。Explanatory drawing which shows the relationship between the thickness of the coil spring attachment part of this invention, and the displacement amount of a coil spring. 従来例の電子機器ユニットのシールド構造の斜視図。The perspective view of the shield structure of the electronic device unit of a prior art example. 蓋パネルの斜視図。The perspective view of a lid panel. 従来例の問題点を示す説明図。Explanatory drawing which shows the trouble of a prior art example. 従来例の問題点を示す説明図。Explanatory drawing which shows the trouble of a prior art example. 従来例の問題点を示す説明図。Explanatory drawing which shows the trouble of a prior art example.

符号の説明Explanation of symbols

１…電子回路基板
２…筐体
３…開口部
４…蓋パネル
４ａ…主面部
４ｂ，４ｃ…一対の側面部
５…コイルバネ
６…コイルバネ取付部
６ａ，６ｂ…上下一対の挿入部
６ｃ…折り曲げ部
６ｄ…突出部
７…第1のスリット
８…第２のスリット
９…第３のスリット DESCRIPTION OF SYMBOLS 1 ... Electronic circuit board 2 ... Housing | casing 3 ... Opening part 4 ... Cover panel 4a ... Main surface part 4b, 4c ... A pair of side part 5 ... Coil spring 6 ... Coil spring attaching part 6a, 6b ... A pair of upper and lower insertion part 6c ... Bending part 6d ... projecting portion 7 ... first slit 8 ... second slit 9 ... third slit

Claims (1)

複数の電子回路基板を略平行に並べて収納する筐体の開口部を、複数の金属製の蓋パネルを並べて配置して塞ぐとともに、これら蓋パネル相互間および蓋パネルと筐体の間をコイルバネによって電気的に接続して上記筐体の開口部を電磁気的に全面シールドする電子機器ユニットのシールド構造において、
上記蓋パネルは、長方形状の主面部と、該主面部の長辺側を略直角に折り曲げることにより形成された一対の側面部と、を備え、
上記一対の側面部の少なくとも一方の側面部は、上記コイルバネの内周部に挿入することにより該コイルバネを上記一方の側面部に沿って取付け、該コイルバネの外周面を隣接する蓋パネルの一方の側面部に接触させるコイルバネ取付部を備え、
上記コイルバネ取付部は、スリットにより上下一対のバネ挿入部に分割されていて、
上記上下一対のバネ挿入部は、折り曲げ部を介して他方の側面部側に向けて突出する突出部を備えていることを特徴とする電子機器ユニットのシールド構造。 The opening of the housing that houses a plurality of electronic circuit boards arranged substantially in parallel is closed by arranging a plurality of metal lid panels side by side, and a coil spring between the lid panels and between the lid panel and the housing is provided. In the shield structure of an electronic device unit that is electrically connected and electromagnetically shields the entire opening of the housing,
The lid panel includes a rectangular main surface portion, and a pair of side surface portions formed by bending the long side of the main surface portion at a substantially right angle,
At least one side surface portion of the pair of side surface portions is attached to the inner peripheral portion of the coil spring to attach the coil spring along the one side surface portion, and the outer peripheral surface of the coil spring is attached to one of the adjacent lid panels. Provided with a coil spring mounting part to be brought into contact with the side part,
The coil spring mounting portion is divided into a pair of upper and lower spring insertion portions by a slit,
The shield structure for an electronic device unit, wherein the pair of upper and lower spring insertion portions includes a protruding portion that protrudes toward the other side surface portion through the bent portion .
JP2006086901A 2006-03-28 2006-03-28 Electronic device shield structure Active JP4715583B2 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10190276A (en) * 1996-12-27 1998-07-21 Fuji Xerox Co Ltd Electronic device shielding member and structure
JP2000049485A (en) * 1998-07-28 2000-02-18 Fujitsu I Network Systems Ltd Front plate structure of package mounted with electronic circuit
JP2002043786A (en) * 2000-07-24 2002-02-08 Nec Corp Noise-suppressing method of electronic device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10190276A (en) * 1996-12-27 1998-07-21 Fuji Xerox Co Ltd Electronic device shielding member and structure
JP2000049485A (en) * 1998-07-28 2000-02-18 Fujitsu I Network Systems Ltd Front plate structure of package mounted with electronic circuit
JP2002043786A (en) * 2000-07-24 2002-02-08 Nec Corp Noise-suppressing method of electronic device

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