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JP6008780B2 - Antenna mounting structure - Google Patents

Antenna mounting structure Download PDF

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Publication number
JP6008780B2
JP6008780B2 JP2013075972A JP2013075972A JP6008780B2 JP 6008780 B2 JP6008780 B2 JP 6008780B2 JP 2013075972 A JP2013075972 A JP 2013075972A JP 2013075972 A JP2013075972 A JP 2013075972A JP 6008780 B2 JP6008780 B2 JP 6008780B2
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antenna
antennas
metal member
mounting structure
display monitor
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JP2014204153A (en
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晃伸 竹松
晃伸 竹松
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Description

この発明は、静電式のタッチパネルを搭載した電子機器におけるアンテナ取り付け構造に関する。   The present invention relates to an antenna mounting structure in an electronic device equipped with an electrostatic touch panel.

例えば、車載用の電子機器では、意匠パネルに液晶などの表示モニタが配置され、アンテナの指向性能を確保する観点から、WiFiなどの無線LAN(Local Area Network)用のアンテナやBluetooth(登録商標;以下記載を省略する)用のアンテナも意匠パネルに配置される。
しかしながら、表示モニタの周囲には、表示モニタを機器本体に固定する板金製のフレームや、タッチパネルの静電気対策用の接地板金などの金属部材がある。このため、金属部材がアンテナの遮蔽物となってアンテナ性能を損なう可能性がある。
なお、特許文献1に記載の表示装置は、表示面の周縁部に表示面より浮かせてかつ指向特性中心軸が表示面に対して鉛直方向になるようにアンテナを配設している。
For example, in an in-vehicle electronic device, a display monitor such as a liquid crystal is arranged on a design panel, and from the viewpoint of ensuring the directivity performance of an antenna, an antenna for a wireless LAN (Local Area Network) such as WiFi or Bluetooth (registered trademark; (The description is omitted below) is also arranged on the design panel.
However, around the display monitor, there are metal members such as a sheet metal frame for fixing the display monitor to the apparatus main body and a ground sheet metal for preventing static electricity of the touch panel. For this reason, a metal member may become an antenna shield and impair antenna performance.
In the display device described in Patent Document 1, an antenna is disposed at the periphery of the display surface so that it floats from the display surface and the directional characteristic central axis is perpendicular to the display surface.

特開2006−129365号公報JP 2006-129365 A

上述のように、従来の電子機器では、表示モニタの周囲に設けられた金属部材が遮蔽物となってアンテナ性能を損なう可能性があるという課題があった。
また、特許文献1の発明は、アンテナを表示面より前方に配置することで、表示モニタの周囲の金属部材とアンテナとの距離を確保することができるが、表示面に対して鉛直な方向の機器サイズが大きくなるため、機器の小型化が制限されるという課題がある。
As described above, the conventional electronic device has a problem in that the metal member provided around the display monitor may be a shield and impair the antenna performance.
Further, the invention of Patent Document 1 can secure the distance between the metal member around the display monitor and the antenna by arranging the antenna in front of the display surface, but in a direction perpendicular to the display surface. Since the device size becomes large, there is a problem that downsizing of the device is limited.

この発明は、上記のような課題を解決するためになされたもので、アンテナ取り付け対象の機器の小型化とアンテナ性能の確保を図ることができるアンテナ取り付け構造を得ることを目的とする。   The present invention has been made in order to solve the above-described problems, and an object of the present invention is to obtain an antenna mounting structure capable of reducing the size of an antenna mounting target device and ensuring antenna performance.

この発明に係るアンテナ取り付け構造は、機器の表示部の側部に金属部材が設けられており、側部に金属部材と所定の距離をあけて板状のアンテナを取り付けるアンテナ取り付け構造において、アンテナを取り付けた取り付け面は、表示部の金属部材に近い側から遠い側に向けて表示部の後方へ傾いており、かつ、前記機器の取り付け角度に対して前記アンテナのアンテナ面の法線方向が水平方向に向く角度で傾いていることを特徴とする。 In the antenna mounting structure according to the present invention, a metal member is provided on a side portion of a display unit of an apparatus, and a plate-shaped antenna is mounted on the side portion with a predetermined distance from the metal member. The attached mounting surface is inclined rearward from the side closer to the metal part of the display unit toward the side farther from the display unit , and the normal direction of the antenna surface of the antenna is horizontal with respect to the mounting angle of the device. It is characterized by being inclined at an angle that faces the direction .

この発明によれば、アンテナ取り付け対象の機器の小型化とアンテナ性能の確保を図ることができるという効果がある。   According to the present invention, there is an effect that it is possible to reduce the size of the device to which the antenna is attached and to secure the antenna performance.

この発明のアンテナ取り付け対象の機器を示す斜視図である。It is a perspective view which shows the apparatus of antenna attachment object of this invention. 図1の機器において意匠パネルを取り除いた構成を示す斜視図である。It is a perspective view which shows the structure which removed the design panel in the apparatus of FIG. 図2の機器において液晶モニタ部を取り除いた構成を示す斜視図である。It is a perspective view which shows the structure which removed the liquid crystal monitor part in the apparatus of FIG. 実施の形態1に係るアンテナ取り付け構造を示す図である。It is a figure which shows the antenna attachment structure which concerns on Embodiment 1. FIG. 実施の形態1に係るアンテナ取り付け構造による機器外形の小型化の効果を説明するための図である。It is a figure for demonstrating the effect of size reduction of the apparatus external shape by the antenna attachment structure which concerns on Embodiment 1. FIG. アンテナ取り付け対象の機器を傾けて取り付ける場合を示す図である。It is a figure which shows the case where the apparatus of antenna attachment object is inclined and attached.

実施の形態1.
図1は、この発明のアンテナ取り付け対象の機器を示す斜視図であり、この発明に係るアンテナ取り付け構造を移動体(例えば車両)に搭載する機器に設けた場合を示している。また、図2は、図1の機器において意匠パネルを取り除いた構成を示す斜視図であり、図3は、図2の機器において液晶モニタ部を取り除いた構成を示す斜視図である。
図1に示す機器1は、機器本体2、意匠パネル3および表示モニタ部4を備えており、機器本体2が車両のインストルメントパネルに内蔵され、意匠パネル2が外側に露出した状態で取り付けられる。
Embodiment 1 FIG.
FIG. 1 is a perspective view showing a device to which an antenna is attached according to the present invention, and shows a case where the antenna mounting structure according to the present invention is provided in a device mounted on a moving body (for example, a vehicle). 2 is a perspective view showing a configuration in which the design panel is removed from the apparatus shown in FIG. 1, and FIG. 3 is a perspective view showing a configuration in which the liquid crystal monitor unit is removed from the apparatus shown in FIG.
A device 1 shown in FIG. 1 includes a device main body 2, a design panel 3, and a display monitor unit 4. The device main body 2 is built in an instrument panel of a vehicle, and attached with the design panel 2 exposed to the outside. .

また、図2に示すように、表示モニタ部4の周囲には金属部材4Aが設けられる。金属部材4Aは、例えば、表示モニタ部4を機器本体2に固定する板金製のフレームやタッチパネルの静電気対策用の接地板金などである。
この発明では、上述した表示モニタ部4の側部に取り付け面5が設けられ、この取り付け面5上に板状のアンテナ6a,6bが取り付けられる。
アンテナ6a,6bは、機器1の無線通信に使用する板金製のアンテナであり、例えばWiFiなどの無線LAN用のアンテナやBluetooth用のアンテナである。
取り付け面5は、例えば、図3に示すように、表示モニタ部4の裏面に配置された板金シャーシ7から延出される。
As shown in FIG. 2, a metal member 4 </ b> A is provided around the display monitor unit 4. The metal member 4 </ b> A is, for example, a sheet metal frame that fixes the display monitor unit 4 to the device body 2, a ground sheet metal for static electricity countermeasures of the touch panel, or the like.
In the present invention, the mounting surface 5 is provided on the side of the display monitor unit 4 described above, and the plate-like antennas 6 a and 6 b are mounted on the mounting surface 5.
The antennas 6a and 6b are sheet metal antennas used for wireless communication of the device 1, and are antennas for wireless LAN such as WiFi or Bluetooth antennas, for example.
For example, as shown in FIG. 3, the mounting surface 5 extends from a sheet metal chassis 7 disposed on the back surface of the display monitor unit 4.

図4は、実施の形態1に係るアンテナ取り付け構造を示す図であって、図4(a)は、図1の機器の側面図、図4(b)は、図4(a)の符号Aで囲んだ領域の縦断面であり、実施の形態1に係るアンテナ取り付け構造を示している。図4において、表示モニタ部4は、タッチパネル4aと液晶モニタ4bを備えて構成される。
図4(b)に示すように、この発明では、取り付け面5を表示モニタ部4に近い側から遠い側に向けて後方に傾けることにより、上述した金属部材4Aとアンテナ6a,6bとの距離を確保し、金属部材4Aがアンテナ6a,6bの遮蔽物となることを防いでいる。
4A and 4B are diagrams showing an antenna mounting structure according to the first embodiment, in which FIG. 4A is a side view of the device in FIG. 1, and FIG. 4B is a symbol A in FIG. FIG. 2 is a vertical cross-sectional view of a region surrounded by, showing the antenna mounting structure according to the first embodiment. In FIG. 4, the display monitor unit 4 includes a touch panel 4a and a liquid crystal monitor 4b.
As shown in FIG. 4B, in the present invention, the distance between the metal member 4A and the antennas 6a and 6b described above is inclined by tilting the mounting surface 5 backward from the side closer to the display monitor unit 4 toward the side farther from the side. And the metal member 4A is prevented from becoming a shield for the antennas 6a and 6b.

図5は、実施の形態1に係るアンテナ取り付け構造による機器外形の小型化の効果を説明するための図である。図5(a)は、従来のアンテナ取り付け構造である。従来では、表示面に正対する方向をアンテナ6a,6bの指向方向とするため、アンテナ取り付け面100が表示モニタ部4の表示面に対して平行になっている。これにより、図5(a)に示すように、金属部材4Aとアンテナ6a,6bの距離を確保するには取り付け面100を下方に配置する必要があった。   FIG. 5 is a diagram for explaining the effect of downsizing the outer shape of the device by the antenna mounting structure according to the first embodiment. FIG. 5A shows a conventional antenna mounting structure. Conventionally, the antenna mounting surface 100 is parallel to the display surface of the display monitor unit 4 so that the direction facing the display surface is the directivity direction of the antennas 6 a and 6 b. As a result, as shown in FIG. 5A, it is necessary to dispose the mounting surface 100 downward in order to secure the distance between the metal member 4A and the antennas 6a and 6b.

これに対して、この発明では、図5(b)に示すように、アンテナ6a,6bを取り付けられた取り付け面5が表示モニタ4に近い側から遠い側に向けて後方に傾いている。
これにより、従来の構造よりも取り付け面5を表示モニタ部4の下方に近付けても金属部材4Aとアンテナ6a,6bとの距離が確保される。
従って、従来の構造と比べて表示モニタ部4を含む構成の外形寸法を距離Bだけ小さくすることが可能である。
On the other hand, in the present invention, as shown in FIG. 5B, the mounting surface 5 to which the antennas 6a and 6b are mounted is inclined backward from the side closer to the display monitor 4 toward the side farther from the side.
As a result, the distance between the metal member 4A and the antennas 6a and 6b is ensured even when the attachment surface 5 is closer to the lower side of the display monitor unit 4 than in the conventional structure.
Therefore, it is possible to reduce the external dimension of the configuration including the display monitor unit 4 by the distance B as compared with the conventional structure.

なお、取り付け面5の傾き角度は、機器1の取り付け角度を考慮して決定してもよい。
図6は、アンテナ取り付け対象の機器を傾けて取り付ける場合を示す図であって、図6(a)は、機器1が水平方向に対して上向きに取り付け角度θ1で取り付けられた場合を示している。例えば、車両のインストルメントパネルに機器1を取り付ける場合、このように上向きに取り付けられることがある。
Note that the inclination angle of the attachment surface 5 may be determined in consideration of the attachment angle of the device 1.
FIG. 6 is a diagram showing a case where the antenna attachment target device is tilted and attached, and FIG. 6A shows a case where the device 1 is attached upward with respect to the horizontal direction at the attachment angle θ1. . For example, when attaching the apparatus 1 to the instrument panel of a vehicle, it may be attached upward in this way.

図6(a)に示すように機器1が取り付けられる場合、アンテナ6a,6bの取り付け面5は傾斜角度θ2で後方に傾ける。ここで、角度θ1とθ2には図6(a)に示す関係にあり、取り付け面5の傾きによって機器1の取り付け角度θ1による傾きが相殺され、アンテナ6a,6bの指向方向が水平方向に保たれる。
このように構成することで、アンテナ6a,6bの指向方向を水平方向、すなわち座席の正面側に向けることができ、車両内アンテナとしての特性を向上させることができる。
When the apparatus 1 is attached as shown in FIG. 6A, the attachment surfaces 5 of the antennas 6a and 6b are inclined backward at an inclination angle θ2. Here, the angles θ1 and θ2 are in the relationship shown in FIG. 6A, and the inclination of the mounting surface 5 cancels out the inclination due to the mounting angle θ1 of the device 1, and the directivity directions of the antennas 6a and 6b are maintained in the horizontal direction. Be drunk.
With this configuration, the directivity direction of the antennas 6a and 6b can be directed to the horizontal direction, that is, the front side of the seat, and the characteristics as an in-vehicle antenna can be improved.

以上のように、この実施の形態1によれば、アンテナ6a,6bを取り付けた取り付け面5を、表示モニタ4に近い側から遠い側に向けて後方に傾けたので、表示モニタ4の側部にある板金フレームなどの金属部材からアンテナ6a,6bを避けることができ、金属部材による遮蔽が回避されてアンテナ性能を確保することができる。
また、アンテナ6a,6bの取り付け面が後方に傾いているので、アンテナ6a,6bによって外側に占有される空間が小さくなり、機器1の小型化を図ることができる。
As described above, according to the first embodiment, the mounting surface 5 to which the antennas 6a and 6b are attached is inclined rearward from the side closer to the display monitor 4 toward the side farther from the side closer to the display monitor 4. The antennas 6a and 6b can be avoided from a metal member such as a sheet metal frame, and shielding by the metal member can be avoided to ensure antenna performance.
Further, since the mounting surfaces of the antennas 6a and 6b are inclined rearward, the space occupied outside by the antennas 6a and 6b is reduced, and the device 1 can be downsized.

また、この実施の形態1によれば、取り付け面5を、機器1の取り付け角度に対してアンテナ6a,6bのアンテナ面の法線方向が水平方向に向く角度で傾けている。
このようにすることで、機器1の取り付け角度による傾きが取り付け面5の傾きにより相殺され、アンテナ6a,6bの指向方向を水平方向に保つことができる。
例えば、機器1が車両のインストルメントパネルに上向きに傾けて取り付けられる場合であっても、座席の正面側に向けることができ、車両内アンテナとしての特性を向上させることができる。
Further, according to the first embodiment, the attachment surface 5 is inclined with respect to the attachment angle of the device 1 at an angle such that the normal direction of the antenna surfaces of the antennas 6a and 6b is in the horizontal direction.
By doing in this way, the inclination by the attachment angle of the apparatus 1 is canceled by the inclination of the attachment surface 5, and the directivity directions of the antennas 6a and 6b can be maintained in the horizontal direction.
For example, even when the device 1 is attached to the instrument panel of the vehicle while being tilted upward, it can be directed to the front side of the seat, and the characteristics as an in-vehicle antenna can be improved.

なお、本発明はその発明の範囲内において、実施の形態の任意の構成要素の変形、もしくは実施の形態の任意の構成要素の省略が可能である。   In the present invention, any component of the embodiment can be modified or any component of the embodiment can be omitted within the scope of the invention.

1 機器、2 機器本体、3 意匠パネル、4 表示モニタ部、4a タッチパネル、4b 液晶モニタ、4A 金属部材、5 取り付け面、6a,6b アンテナ、7 板金シャーシ。   DESCRIPTION OF SYMBOLS 1 apparatus, 2 apparatus main body, 3 design panel, 4 display monitor part, 4a touch panel, 4b liquid crystal monitor, 4A metal member, 5 attachment surface, 6a, 6b antenna, 7 sheet metal chassis.

Claims (1)

機器の表示部の側部に金属部材が設けられており、前記側部に前記金属部材と所定の距離をあけて板状のアンテナを取り付けるアンテナ取り付け構造において、
前記アンテナを取り付けた取り付け面は、前記表示部の金属部材に近い側から遠い側に向けて前記表示部の後方へ傾いており、かつ、前記機器の取り付け角度に対して前記アンテナのアンテナ面の法線方向が水平方向に向く角度で傾いていることを特徴とするアンテナ取り付け構造。
In the antenna mounting structure in which a metal member is provided on the side part of the display unit of the device, and a plate-like antenna is attached to the side part with a predetermined distance from the metal member,
The mounting surface to which the antenna is mounted is inclined rearward of the display unit from the side closer to the metal member of the display unit , and the antenna surface of the antenna with respect to the mounting angle of the device. An antenna mounting structure characterized in that the normal direction is inclined at an angle facing the horizontal direction .
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