JP4812500B2 - Instrument device - Google Patents

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JP4812500B2
JP4812500B2 JP2006104457A JP2006104457A JP4812500B2 JP 4812500 B2 JP4812500 B2 JP 4812500B2 JP 2006104457 A JP2006104457 A JP 2006104457A JP 2006104457 A JP2006104457 A JP 2006104457A JP 4812500 B2 JP4812500 B2 JP 4812500B2
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printing
peripheral edge
light
dial
printing unit
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JP2007278800A (en
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義史 高塚
健司 松村
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Yazaki Corp
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Description

本発明は、例えば自動車等の車両に搭載される計器装置に関する。   The present invention relates to an instrument device mounted on a vehicle such as an automobile.

従来、この種の計器装置にあって、指針により指示される意匠が施された文字板に立体感を醸し出させるようにしたものが知られている(例えば、特許文献1,2参照)。   2. Description of the Related Art Conventionally, there is known an instrument device of this type in which a dial with a design instructed by a pointer has a three-dimensional effect (for example, see Patent Documents 1 and 2).

図5に示すように、特許文献1に開示された計器装置100は、回転計101と、速度計と、燃料計と、水温計と、を備えた複合計器装置であり、駆動装置により回転駆動される計器毎の指針と、指針により指示される意匠が施された表示部が設けられた計器毎の文字板と、を備えている。   As shown in FIG. 5, the instrument apparatus 100 disclosed in Patent Document 1 is a combined instrument apparatus that includes a tachometer 101, a speedometer, a fuel gauge, and a water temperature gauge, and is rotationally driven by a drive device. And a dial for each instrument provided with a display unit provided with a design designated by the pointer.

さらに図6を参照して、回転計101は、駆動装置により回転駆動される指針102と、指針102の先端部により指示される文字などの意匠が施された円形の表示部104が設けられた文字板103と、を含んでいる。そして、文字板103には、表示部104を取り囲み、その内周縁から外周縁に向けて該表示部104の後方(即ち、目視方向に表示部104よりも奥側)に傾斜した傾斜部105がさらに設けられている。   Further, referring to FIG. 6, tachometer 101 is provided with a pointer 102 that is rotationally driven by a driving device, and a circular display portion 104 on which a design such as characters indicated by the tip of pointer 102 is applied. And a dial plate 103. The dial plate 103 includes an inclined portion 105 that surrounds the display portion 104 and is inclined rearwardly of the display portion 104 from the inner periphery to the outer periphery (that is, toward the back of the display portion 104 in the viewing direction). Furthermore, it is provided.

図7に示すように、傾斜部105には、例えば青色、黄色、桃色などの有彩色の色調のインクにより、その内周縁から外周縁に向かって次第に色が濃くなるグラデーション印刷が施されている。そして、計器装置100には、傾斜部105の外周に配置されて該傾斜部105を照明する照明手段としての光源107及びこの光源107の光を集光して傾斜部105に向けて照射する導光部材108が設けられている。   As shown in FIG. 7, the inclined portion 105 is subjected to gradation printing in which the color gradually increases from the inner peripheral edge toward the outer peripheral edge, for example, with ink having a chromatic color such as blue, yellow, or pink. . The instrument device 100 includes a light source 107 that is disposed on the outer periphery of the inclined portion 105 and illuminates the inclined portion 105 and a light source 107 that collects the light from the light source 107 and irradiates the light toward the inclined portion 105. An optical member 108 is provided.

このように構成された計器装置100では、光源107の光が導光部材108を介して傾斜部105に照射され、その際、傾斜部105に施されたグラデーション印刷により該傾斜部105は、その内周縁から外周縁に向かうに従って次第に色が濃くなるように光輝して表示部104を取り囲む。それにより表示部104を前方に浮かび上がらせるような立体感が醸し出される。   In the instrument device 100 configured as described above, the light from the light source 107 is irradiated to the inclined portion 105 via the light guide member 108, and at this time, the inclined portion 105 is changed by the gradation printing applied to the inclined portion 105. The display portion 104 is surrounded by shining so that the color gradually becomes darker from the inner periphery to the outer periphery. As a result, a three-dimensional effect that causes the display unit 104 to rise forward is created.

特開2002−296078号公報JP 2002-296078 A 特開2002−12056号公報JP 2002-12056 A

上記特許文献1に開示された計器装置100においては、有彩色の色調のインクにより傾斜部105にグラデーション印刷が施されており、また、上記特許文献2に開示された計器装置においても同様である。しかし、このような単純な着色印刷によると、グラデーション印刷によっても傾斜部105の光輝がのっぺりしたものとなり、十分な立体感を醸し出すには至らず、また、照明の有無によらず常にインクの色調に視認されることとなり、デザイン的にも平凡である。   In the instrument device 100 disclosed in Patent Document 1, gradation printing is applied to the inclined portion 105 with chromatic color ink, and the same applies to the instrument device disclosed in Patent Document 2. . However, according to such simple coloring printing, the brightness of the inclined portion 105 is smoothed even by gradation printing, so that a sufficient three-dimensional effect is not produced, and the color tone of the ink is always maintained regardless of the presence or absence of illumination. It will be visually recognized, and the design is mediocre.

本発明は、上述した事情に鑑みてなされたものであり、その目的は、十分な立体感を醸し出し、それにより視認性の向上を図ることができると共に、さらにデザイン的にも優れた計器装置を提供することにある。   The present invention has been made in view of the above-described circumstances, and its purpose is to provide a sufficient three-dimensional effect, thereby improving the visibility and further improving the design of the instrument device. It is to provide.

上記目的は、本発明に係る下記(1)〜(4)の計器装置により達成される。 The above object is achieved by the following instrument devices (1) to (4) according to the present invention.

(1)回転駆動される指針と、前記指針の先端部にて指示される意匠が施された表示部、及び当該表示部の外周を取り囲み、その内周縁から外周縁にわたって反射率が次第に変化する透明透光性のグラデーション印刷が施された印刷部が表面に設けられた文字板と、前記印刷部を前記文字板の表面側から照明する第1の照明手段と、を備え、
前記第1の照明手段が、光源、及び当該光源からの光を集光して前記印刷部に向けて射出する導光部材、を含み、
前記導光部材の射出面において、前記印刷部の内周縁又は外周縁のいずれか反射率が高い前記グラデーション印刷が施された周縁側に向けて光を射出する面が凸面に、他方の反射率が低い前記グラデーション印刷が施された周縁側に向けて光を射出する面が凹面に形成されていることを特徴とする計器装置。
(1) The rotationally driven pointer, the display unit provided with the design indicated by the tip of the pointer, and the outer periphery of the display unit, and the reflectance gradually changes from the inner periphery to the outer periphery. A dial plate provided with a printing portion on which transparent translucent gradation printing has been provided, and first illumination means for illuminating the print portion from the surface side of the dial plate ,
The first illumination means includes a light source and a light guide member that collects light from the light source and emits the light toward the printing unit,
On the exit surface of the light guide member, the surface that emits light toward the peripheral side on which the gradation printing is performed, which has a higher reflectance of either the inner periphery or the outer periphery of the printing unit, is a convex surface, and the other reflectance The instrument device is characterized in that a surface for emitting light toward the peripheral side on which the gradation printing is applied is formed as a concave surface .

(2)前記印刷部を前記文字板の裏面側から照明する第2の照明手段をさらに備えたことを特徴とする(1)に記載の計器装置。   (2) The instrument device according to (1), further comprising second illumination means for illuminating the printing unit from the back side of the dial.

(3)前記印刷部が、その内周縁から外周縁に向けて前記表示部の前方又は後方に傾斜していることを特徴とする(1)又は(2)に記載の計器装置。   (3) The instrument device according to (1) or (2), wherein the printing unit is inclined forward or rearward of the display unit from an inner periphery to an outer periphery.

(4)前記グラデーション印刷が、前記印刷部の内周縁又は外周縁のいずれか前に位置する周縁から他方の周縁に向けて反射率が変化することを特徴とする(3)に記載の計器装置。   (4) The instrument device according to (3), wherein the gradation printing changes the reflectance from the peripheral edge located in front of the inner peripheral edge or the outer peripheral edge of the printing unit toward the other peripheral edge. .

上記(1)の計器装置によれば、表示部を取り囲む印刷部には、その内周縁から外周縁にわたって反射率が次第に変化する透明透光性のグラデーション印刷が施されており、この印刷部を文字板の表面側から照明する第1の照明手段の照射光は印刷部にて反射されるが、反射率の低いグラデーション印刷が施された周縁では反射光が弱く文字板の地色が透けて見え、他方、反射率の高いグラデーション印刷が施された周縁側に向けて次第に反射光が強くなって光って見え、それに伴い文字板の地色が隠される。このように内周縁から外周縁にわたって反射率が次第に変化する透明透光性のグラデーション印刷が施された印刷部は、単純な着色印刷が施されたものに比べて光輝態様が変化に富み、それにより十分な立体感が醸し出され、視認性の向上を図ることができる。
また、透明透光性のグラデーション印刷が施された印刷部は、例えば日中等で第1の照明手段により照明されていない場合には、その全域において文字板の地色が透けて見え、これに対し夜間等で第1の照明手段により照明されている場合には、上記の通りの光輝態様を示し、第1の照明手段による照明の有無で異なる表現が可能となって、デザイン的にも優れる。
また、上記(1)の計器装置によれば、印刷部の内周縁又は外周縁のいずれか反射率が低いグラデーション印刷が施された周縁側には、導光部材の射出面における凹面にて拡散された光が照射され、そして、他方の反射率が高いグラデーション印刷が施された周縁側には、導光部材の射出面における凸面にて収束された光が照射されるので、印刷部において反射率の低いグラデーション印刷が施された周縁では反射光が一層弱く、他方、反射率の高いグラデーション印刷が施された周縁では反射光が一層強くなり、上記第1の照明手段による照明時の光輝態様がより明瞭なものとなって、さらに立体感が醸し出され、視認性の一層の向上を図ることができる。
According to the instrument device of (1) above, the printing unit surrounding the display unit is subjected to transparent translucent gradation printing in which the reflectance gradually changes from the inner peripheral edge to the outer peripheral edge. The irradiation light of the first illumination means that illuminates from the surface side of the dial is reflected by the printing unit, but the reflected light is weak and the background color of the dial is transparent at the periphery where gradation printing with low reflectance is performed. On the other hand, the reflected light gradually becomes stronger and shines toward the peripheral side on which gradation printing with high reflectance is performed, and the background color of the dial is concealed accordingly. In this way, the printed part with transparent translucent gradation printing whose reflectivity gradually changes from the inner peripheral edge to the outer peripheral edge has a variety of glittering aspects compared to those with simple colored printing. As a result, a sufficient three-dimensional effect is produced, and the visibility can be improved.
In addition, when the transparent light-transmitting gradation printing is not illuminated by the first illumination means, for example, during the daytime, the background color of the dial is seen through the entire area. On the other hand, when illuminated by the first illumination means at night or the like, the above-described glittering mode is shown, and different expressions are possible depending on the presence or absence of illumination by the first illumination means, which is excellent in terms of design. .
Further, according to the instrument device of the above (1), the inner peripheral edge or the outer peripheral edge of the printing unit is diffused by the concave surface on the exit surface of the light guide member on the peripheral side on which gradation printing with low reflectance is performed. The light that has been irradiated and the light that has been converged on the convex surface of the light exiting surface of the light guide member is irradiated on the other peripheral side on which the gradation printing with high reflectance is performed. The reflected light is weaker at the periphery where gradation printing with a low rate is performed, while the reflected light becomes stronger at the periphery where gradation printing with a high reflectance is performed. Becomes clearer, a three-dimensional effect is created, and the visibility can be further improved.

上記(2)の計器装置によれば、印刷部を文字板の裏面側から照明する第2の照明手段の照射光のうち文字板の表面側に射出されるのは印刷部を透過した透過光であり、この第2の照明手段によれば、反射率が次第に変化するグラデーション印刷に影響されずに印刷部をほぼ均一に文字板の地色で光輝させることができる。それにより、例えば日中は第2の照明手段によって印刷部をほぼ均一に文字板の地色で光輝させ、夜間は第1の照明手段によって印刷部を上記の光輝態様とするなど、照明手段の切換えで顕著に異なる表現が可能となって、デザイン的に優れる。   According to the instrument device of (2) above, of the irradiation light of the second illuminating means for illuminating the printing unit from the back side of the dial plate, the light emitted to the front side of the dial plate is transmitted light that has passed through the printing unit Thus, according to the second illumination means, it is possible to shine the printed portion almost uniformly with the background color of the dial without being affected by gradation printing in which the reflectance gradually changes. Thereby, for example, the second illumination means causes the printing portion to shine almost uniformly with the background color of the dial during the daytime, and the nighttime first illumination means causes the printing portion to have the above-described glittering mode. It is possible to express remarkably different by switching, and it is excellent in design.

上記(3)の計器装置によれば、印刷部が、その内周縁から外周縁に向けて表示部の前方(即ち、目視方向に表示部よりも手前側)又は後方(即ち、目視方向に表示部よりも奥側)に傾斜しており、印刷部の上記第1の照明手段による照明時の光輝態様と相まって、より立体感が醸し出され、視認性の向上を図ることができる。   According to the instrument device of (3) above, the printing unit displays from the inner periphery to the outer periphery in front of the display unit (that is, in front of the display unit in the viewing direction) or rearward (that is, in the viewing direction). In addition to the brilliant aspect of the printing unit when illuminated by the first illuminating means, a three-dimensional effect is created and visibility can be improved.

上記(4)の計器装置によれば、グラデーション印刷が印刷部の内周縁又は外周縁のいずれか前に位置する周縁から他方の周縁に向けて反射率が変化しており、印刷部の傾斜と上記第1の照明手段による照明時の光輝態様との相乗効果を高めることができ、さらに立体感が醸し出され、視認性の一層の向上を図ることができる。   According to the instrument device of (4) above, the reflectance changes from the peripheral edge where the gradation printing is located in front of either the inner peripheral edge or the outer peripheral edge of the printing part toward the other peripheral edge, and the inclination of the printing part The synergistic effect with the brightness mode at the time of illumination by the first illumination means can be enhanced, and a three-dimensional effect is created, and the visibility can be further improved.

本発明によれば、十分な立体感を醸し出し、それにより視認性の向上を図ることができると共に、さらにデザイン的にも優れた計器装置を提供することができる。   According to the present invention, it is possible to provide a sufficient three-dimensional effect, thereby improving the visibility, and providing an instrument device that is superior in design.

以下、本発明に係る好適な実施形態を図面に基づいて詳細に説明する。   DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the drawings.

(第1実施形態)
図1は本発明に係る計器装置の第1実施形態の一部破断外観斜視図、図2は図1に示す計器装置のII−II線断面図、図3は図1に示す計器装置に用いられる文字板の印刷部周りの一部破断外観斜視図である。
尚、本明細書において、目視者に対向する側を表(前)とする。
(First embodiment)
1 is a partially broken external perspective view of a first embodiment of a meter device according to the present invention, FIG. 2 is a sectional view taken along line II-II of the meter device shown in FIG. 1, and FIG. 3 is used in the meter device shown in FIG. It is a partially broken external perspective view around the printing part of the dial.
In this specification, the side facing the viewer is the front (front).

図1〜図3に示すように、本実施形態の計器装置10は、回路基板11と、この回路基板11に組み付けられた駆動装置12と、この駆動装置12から伸びた回転軸13に連結されて回転駆動される指針14と、この指針14の背後に配置された文字板15と、この文字板15の所要領域は露呈させつつ該文字板15の表面を覆う見返し16と、この見返し16と回路基板11との間にあって文字板15の外周に配置された第1の照明手段17と、回路基板11と文字板15との間に配置されたケース18とから構成されている。   As shown in FIGS. 1 to 3, the instrument device 10 of the present embodiment is connected to a circuit board 11, a driving device 12 assembled to the circuit board 11, and a rotating shaft 13 extending from the driving device 12. The dial 14 that is rotationally driven, the dial 15 disposed behind the pointer 14, the dial 16 that covers the surface of the dial 15 while exposing the required area of the dial 15, and the dial 16 The first illumination means 17 is disposed between the circuit board 11 and the outer periphery of the dial 15, and the case 18 is disposed between the circuit board 11 and the dial 15.

回路基板11は、例えばガラスエポキシ系基材に配線パターンを施した硬質回路基板であって、駆動装置12の駆動制御を行う制御装置や、その他、抵抗、コンデンサ等の各種回路部品が前記配線パターンに電気接続されている。   The circuit board 11 is a hard circuit board in which, for example, a glass epoxy base material is provided with a wiring pattern, and a control device that performs driving control of the driving device 12 and various circuit components such as resistors and capacitors are connected to the wiring pattern. Is electrically connected.

駆動装置12は、例えばステッピングモータであって、回転軸13を回路基板11に貫通させて回路基板11の裏面に装着されており、半田付け等の適宜導通手段により前記配線パターンに電気的に接続されている。そして、指針14は、この駆動装置12から伸びた回転軸13の先端に連結され、回転駆動される。   The driving device 12 is, for example, a stepping motor, and is attached to the back surface of the circuit board 11 with the rotating shaft 13 penetrating the circuit board 11 and is electrically connected to the wiring pattern by appropriate conduction means such as soldering. Has been. The pointer 14 is connected to the tip of the rotating shaft 13 extending from the driving device 12 and is driven to rotate.

文字板15は、例えば黒色など有彩色の色調を有する不透明な合成樹脂で形成されており、回路基板11の表面に載置されているケース18によってその裏面を支持され、該ケース18に組付けられている。   The dial plate 15 is formed of an opaque synthetic resin having a chromatic color tone such as black, for example, and the back surface thereof is supported by a case 18 placed on the surface of the circuit board 11. It has been.

文字板15の中央部には、指針14の先端部の回転軌道に沿って配置されて指針14の先端部により指示される文字や目盛などの意匠が施された円形状の表示部21が設けられている。表示部21において、文字や目盛などの意匠部分は透光性とされており、回路基板11においてこれら意匠部分の背後にあたる位置には、例えばLED等の文字板照明用光源22が配設されており、これら意匠部分は、光源22から射出された光を透過して光輝するようになっている。   At the center of the dial plate 15, a circular display unit 21 is provided that is arranged along the rotational trajectory of the tip of the pointer 14 and has a design such as a character or scale indicated by the tip of the pointer 14. It has been. In the display unit 21, design portions such as characters and scales are translucent, and a light source 22 for illuminating a dial plate such as an LED is disposed at a position behind the design portions on the circuit board 11. These design portions transmit light emitted from the light source 22 to shine.

文字板15には、表示部21の外周を取り囲み、その内周縁から外周縁に向けて表示部21の後方に傾斜した円輪状の印刷部23が設けられている。そして、印刷部23には、前に位置する内周縁から外周縁に向けて反射率が次第に高くなる透明透光性のグラデーション印刷が施されている。このようなグラデーション印刷は、例えば、図3に示すようにクリアインク粒の疎密によってなされる。   The dial 15 is provided with a ring-shaped printing unit 23 that surrounds the outer periphery of the display unit 21 and is inclined rearward from the inner peripheral edge toward the outer peripheral edge of the display unit 21. The printing unit 23 is subjected to transparent translucent gradation printing in which the reflectance gradually increases from the inner peripheral edge positioned in front to the outer peripheral edge. Such gradation printing is performed, for example, by the density of clear ink particles as shown in FIG.

さらに文字板15には、印刷部23の外周を取り囲む円輪状のフランジ部24が設けられている。フランジ部24には、適宜な間隔をおいて周方向に複数の取付孔25が穿設されており、印刷部23を文字板15の表面側から照明するための第1の照明手段17の一構成要素である後述の導光部材31が、その係合突起32を取付孔25に係合させて組み付けられている。   Further, the dial plate 15 is provided with an annular flange portion 24 surrounding the outer periphery of the printing unit 23. A plurality of mounting holes 25 are formed in the flange portion 24 in the circumferential direction at appropriate intervals, and one of the first illumination means 17 for illuminating the printing portion 23 from the surface side of the dial 15. A light guide member 31, which will be described later, which is a constituent element, is assembled with the engagement protrusion 32 engaged with the attachment hole 25.

第1の照明手段17は、回路基板11に配設された、例えばLED等の複数の光源33と、これら光源33の光を集光して文字板15の印刷部23に向けて射出する導光部材31と、で構成されている。   The first illuminating means 17 includes a plurality of light sources 33 such as LEDs arranged on the circuit board 11, and a guide that condenses the light from these light sources 33 and emits the light toward the printing unit 23 of the dial 15. And an optical member 31.

導光部材31は、例えば透光性のアクリル樹脂によって形成されたプリズム部材であって、文字板15のフランジ部24に載置された円環状の射出部34と、この射出部34の外周縁部から回路基板11に向けて垂設された複数の集光部35と、を備えている。   The light guide member 31 is a prism member formed of, for example, a translucent acrylic resin. The light guide member 31 is an annular injection portion 34 placed on the flange portion 24 of the dial 15 and an outer peripheral edge of the injection portion 34. A plurality of light condensing portions 35 that are suspended from the portion toward the circuit board 11.

光源33は、回路基板11において導光部材31の各集光部35の端面に対向する位置に配置されている。これらの光源33から射出された光は、導光部材31の各集光部35の端面に入射し、導光部材31の内部で反射されながら射出部34の内周面である射出面36に導かれる。この射出面36は、その前縁が後縁に比べて小径とされ、それにより文字板15の傾斜した印刷部23と同様に傾斜して印刷部23と略対向しており、この射出面36から文字板15の印刷部23に向けて光が照射される。   The light source 33 is disposed at a position facing the end face of each light collecting portion 35 of the light guide member 31 on the circuit board 11. The light emitted from these light sources 33 is incident on the end face of each condensing part 35 of the light guide member 31 and is reflected on the exit surface 36 that is the inner peripheral surface of the emission part 34 while being reflected inside the light guide member 31. Led. The front surface of the ejection surface 36 has a smaller diameter than that of the rear edge, and is inclined in the same manner as the inclined printing unit 23 of the dial 15 so as to substantially face the printing unit 23. Is irradiated toward the printing unit 23 of the dial 15.

導光部材31の射出面36から射出された光のうち、この射出面36の主に前縁側から射出された光が、反射率の低いグラデーション印刷が施された印刷部23の内周縁側を照明し、射出面36の主に後縁側から射出された光が、反射率の高いグラデーション印刷が施された印刷部23の外周縁側を照明する。そこで、射出面36の前縁側は凹面36aとされ、この凹面36aから射出される光は拡散されるようになっており、また射出面36の後縁側は凸面36bとされ、この凸面36bから射出される光は収束されるようになっている。   Of the light emitted from the exit surface 36 of the light guide member 31, the light emitted mainly from the front edge side of the exit surface 36 passes through the inner peripheral side of the printing unit 23 subjected to gradation printing with low reflectance. Illumination is performed, and light emitted mainly from the rear edge side of the emission surface 36 illuminates the outer peripheral edge side of the printing unit 23 on which gradation printing with high reflectance is performed. Therefore, the front edge side of the emission surface 36 is a concave surface 36a, and light emitted from the concave surface 36a is diffused. The rear edge side of the emission surface 36 is a convex surface 36b, and the light is emitted from the convex surface 36b. The light to be focused is converged.

尚、導光部材31の射出部34の前端面37には、例えば白色など光を反射しやすい有彩色の色調を有するインクによる印刷が施され、さらにその前面に装飾性の高い、例えば銀色などのインクによる印刷が施されている。   The front end surface 37 of the light emitting member 31 of the light guide member 31 is printed with ink having a chromatic color tone that easily reflects light, such as white, and the front surface thereof is highly decorative, for example, silver The ink is printed.

このように構成された本実施形態の計器装置10によれば、文字板15の表示部21を取り囲む印刷部23には、その内周縁から外周縁にわたって反射率が次第に変化する透明透光性のグラデーション印刷が施されており、この印刷部23が第1の照明手段17により照明された際には、反射率の低いグラデーション印刷が施された内周縁では反射光が弱く、文字板15の地色(即ち、本実施形態では文字板15を形成する合成樹脂の色)が透けて見え、そして反射率の高いグラデーション印刷が施された外周縁側に向けて次第に反射光が強くなって光って見え、それに伴い文字板15の地色が隠される。このように内周縁から外周縁にわたって反射率が次第に変化する透明透光性のグラデーション印刷が施された印刷部23は、単純な着色印刷が施されたものに比べて光輝態様が変化に富み、それにより十分な立体感が醸し出され、視認性の向上を図ることができる。
また、透明透光性のグラデーション印刷が施された印刷部23は、例えば日中等で照明されない場合には、その全域において文字板15の地色が透けて見え、これに対し夜間等で照明された場合には、上記の通りの光輝態様を示し、照明の有無で異なる表現が可能となって、デザイン的にも優れる。
According to the instrument device 10 of this embodiment configured as described above, the printing unit 23 surrounding the display unit 21 of the dial 15 has a transparent translucent property in which the reflectance gradually changes from the inner periphery to the outer periphery. When gradation printing is performed and the printing unit 23 is illuminated by the first illumination means 17, the reflected light is weak at the inner periphery where gradation printing with low reflectance is performed, and the dial 15 is grounded. The color (that is, the color of the synthetic resin forming the dial plate 15 in this embodiment) can be seen through, and the reflected light gradually becomes stronger toward the outer peripheral edge on which the gradation printing with high reflectance is performed. Accordingly, the background color of the dial 15 is hidden. In this way, the printing part 23 subjected to the transparent translucent gradation printing in which the reflectance gradually changes from the inner peripheral edge to the outer peripheral edge is rich in change in the radiance aspect as compared with those subjected to simple colored printing, As a result, a sufficient three-dimensional effect is created and visibility can be improved.
Further, when the printing unit 23 subjected to transparent translucent gradation printing is not illuminated in the daytime, for example, the background color of the dial 15 can be seen through the entire area, and is illuminated at night or the like. In such a case, the brilliant aspect as described above is shown, and different expressions are possible depending on the presence or absence of illumination, which is excellent in terms of design.

また、本実施形態の計器装置10によれば、文字板15の印刷部23が、その内周縁から外周縁に向けて表示部21の後方に傾斜しており、上記第1の照明手段17による照明時の印刷部23の光輝態様と相まって、より立体感が醸し出され、視認性の向上を図ることができる。   Further, according to the instrument device 10 of the present embodiment, the printing unit 23 of the dial plate 15 is inclined rearward of the display unit 21 from the inner peripheral edge toward the outer peripheral edge. Coupled with the glittering aspect of the printing unit 23 at the time of illumination, a three-dimensional effect is created and visibility can be improved.

また、本実施形態の計器装置10によれば、グラデーション印刷が印刷部23の内周縁及び外周縁のうち前に位置する内周縁から他方の外周縁に向けて反射率が高くなっており、印刷部23の傾斜と上記第1の照明手段17による照明時の光輝態様との相乗効果を高めることができ、さらに立体感が醸し出され、視認性の一層の向上を図ることができる。   Further, according to the instrument device 10 of the present embodiment, the gradation printing has a higher reflectance from the inner peripheral edge located in front of the inner peripheral edge and the outer peripheral edge of the printing unit 23 toward the other outer peripheral edge. The synergistic effect of the inclination of the part 23 and the brightness aspect at the time of illumination by the first illumination means 17 can be enhanced, and a three-dimensional effect is created, and the visibility can be further improved.

また、本実施形態の計器装置10によれば、印刷部23の内周縁及び外周縁のうち反射率が低いグラデーション印刷が施された内周縁側には、導光部材31の射出面36における凹面36aにて拡散された光が照射され、そして、他方の反射率が高いグラデーション印刷が施された外周縁側には、導光部材31の射出面36における凸面36bにて収束された光が照射されるので、印刷部23において、反射率の低いグラデーション印刷が施された内周縁では反射光が一層弱く、他方、反射率の高いグラデーション印刷が施された外周縁では反射光が一層強くなり、上記第1の照明手段17による照明時の光輝態様がより明瞭なものとなって、さらに立体感が醸し出され、視認性の一層の向上を図ることができる。   Further, according to the instrument device 10 of the present embodiment, the concave surface on the exit surface 36 of the light guide member 31 is provided on the inner peripheral edge side of the inner peripheral edge and the outer peripheral edge of the printing unit 23 on which the gradation printing with low reflectance is performed. The light diffused in 36a is irradiated, and the light converged on the convex surface 36b of the exit surface 36 of the light guide member 31 is irradiated on the other outer peripheral side on which the gradation printing with high reflectance is performed. Therefore, in the printing unit 23, the reflected light is weaker at the inner peripheral edge where gradation printing with low reflectance is performed, while the reflected light becomes stronger at the outer peripheral edge where gradation printing with high reflectance is performed. The bright aspect at the time of illumination by the first illumination means 17 becomes clearer, a three-dimensional effect is created, and the visibility can be further improved.

尚、上述した計器装置10において、文字板15の地色は、該文字板15の表面に有彩色の色調のインクを印刷して設定するようにしてもよい。この場合、印刷部23には、有彩色の色調のインクにより内周縁から外周縁に向かって次第に色が濃くなるグラデーション印刷を施し、さらにその表面に内周縁から外周縁にわたって反射率が次第に変化する透明透光性のグラデーション印刷を施すようにしてもよい。これによれば、例えば日中等で第1の照明手段17による照明がない場合の印刷部23における表現を変化に富んだものにすることができる。   In the instrument device 10 described above, the background color of the dial 15 may be set by printing chromatic color ink on the surface of the dial 15. In this case, the printing unit 23 is subjected to gradation printing in which the color gradually increases from the inner peripheral edge toward the outer peripheral edge with chromatic color ink, and the reflectance gradually changes on the surface from the inner peripheral edge to the outer peripheral edge. You may make it perform transparent translucent gradation printing. According to this, for example, the expression in the printing unit 23 when there is no illumination by the first illumination means 17 during the daytime or the like can be rich in change.

また、上述した計器装置10において、文字板15の印刷部23を半透明な合成樹脂で形成するなどして透光性とし、文字板照明用光源22により印刷部23を文字板15の裏面側から照明する(即ち、光源22を第2の照明手段として使用する)ようにしてもよい。これによれば、印刷部23を文字板15の裏面側から照明する第2の照明手段22の照射光のうち文字板15の表面側に射出されるのは印刷部23を透過した透過光であり、この第2の照明手段22によって、反射率が次第に変化するグラデーション印刷に影響されずに印刷部23をほぼ均一に文字板15の地色で光輝させることができる。それにより、例えば日中は第2の照明手段22によって印刷部23をほぼ均一に文字板15の地色で光輝させ、夜間は第1の照明手段17によって印刷部23を上記の光輝態様とするなど、照明手段17,22の切換えで顕著に異なる表現が可能となって、デザイン的に優れる。   Further, in the instrument device 10 described above, the printing portion 23 of the dial plate 15 is made translucent, for example, by forming it with a translucent synthetic resin, and the printing portion 23 is placed on the back side of the dial plate 15 by the dial illumination light source 22. (That is, the light source 22 is used as the second illumination means). According to this, it is the transmitted light which permeate | transmitted the printing part 23 that is inject | emitted on the surface side of the dial 15 among the irradiation lights of the 2nd illumination means 22 which illuminates the printing part 23 from the back surface side of the dial 15. In addition, the second illumination unit 22 can make the printing unit 23 shine with the ground color of the dial 15 almost uniformly without being affected by gradation printing in which the reflectance gradually changes. Thereby, for example, during the daytime, the second illumination means 22 causes the printing unit 23 to shine almost uniformly with the ground color of the dial 15, and at night, the first illumination means 17 causes the printing unit 23 to have the above-described glittering mode. For example, the lighting means 17 and 22 can be switched to make a significantly different expression, which is excellent in terms of design.

また、上述した計器装置10において、グラデーション印刷は印刷部23の内周縁から外周縁に向けて反射率が高くなっているものとして説明したが、内周縁から外周縁に向けて反射率が低くなるようにしてもよい。   In the above-described instrument device 10, gradation printing has been described as having a higher reflectance from the inner periphery to the outer periphery of the printing unit 23, but the reflectance decreases from the inner periphery to the outer periphery. You may do it.

(第2実施形態)
図4は本発明に係る計器装置の第2実施形態の断面図である。
尚、上述した第1実施形態の計器装置10と共通する部材には同一符号を付し、説明を省略あるいは簡略する。
(Second Embodiment)
FIG. 4 is a cross-sectional view of a second embodiment of the instrument device according to the present invention.
In addition, the same code | symbol is attached | subjected to the member which is common in the instrument apparatus 10 of 1st Embodiment mentioned above, and description is abbreviate | omitted or simplified.

図4に示すように、本実施形態の計器装置50は、回路基板11と、この回路基板11に組み付けられた駆動装置12と、この駆動装置12から伸びた回転軸13に連結されて回転駆動される指針14と、この指針14の背後に配置された文字板55と、この文字板55の所要領域は露呈させつつ該文字板55の表面を覆う見返し56と、回路基板11と文字板55との間に配置されたケース58と、文字板55と回路基板11との間に設けられた第1の照明手段57と、から構成されている。   As shown in FIG. 4, the instrument device 50 of this embodiment is connected to a circuit board 11, a driving device 12 assembled to the circuit board 11, and a rotary shaft 13 extending from the driving device 12, and is rotationally driven. The dial 14 disposed behind the dial 14, a dial 56 covering the surface of the dial 55 while exposing a required area of the dial 55, the circuit board 11 and the dial 55 And a first illumination means 57 provided between the dial 55 and the circuit board 11.

文字板55は、回路基板11の表面に載置されているケース58によりその裏面を支持され、該ケース58に組み付けられている。文字板55の中央部には、例えば車両状態を示す文字や記号、その他目盛などの意匠が施された円形状の表示部61aが設けられ、そして、該表示部61aの外周縁から後方に傾斜しながら広がる円輪状の傾斜部62を介し、指針14の先端部の回転軌道に沿って配置されて指針14の先端部により指示される目盛などの意匠が施された円輪状の表示部61bが設けられている。   The dial 55 is supported on the back surface thereof by a case 58 placed on the front surface of the circuit board 11 and assembled to the case 58. In the central portion of the dial 55, for example, a circular display portion 61a provided with a design such as characters and symbols indicating a vehicle state and other scales is provided, and tilted backward from the outer peripheral edge of the display portion 61a An annular display portion 61b that is arranged along the rotation trajectory of the distal end portion of the pointer 14 and is provided with a design such as a scale indicated by the distal end portion of the pointer 14 via the annular inclined portion 62 that spreads while being provided. Is provided.

表示部61a,61bにおいて、文字や目盛などの意匠部分は透光性とされており、回路基板11においてこれら意匠部分の背後にあたる位置には、例えばLED等の文字板照明用光源22が配設されており、これらの意匠部分は、光源22から射出された光を透過して光輝するようになっている。また、傾斜部62は、その全体が透光性とされている。   In the display portions 61a and 61b, design portions such as characters and scales are translucent, and a light source 22 for illuminating a dial plate such as an LED is disposed on the circuit board 11 at a position behind the design portions. These design portions transmit light emitted from the light source 22 to shine. Further, the entire inclined portion 62 is translucent.

さらに、文字板55には、表示部61bの外周を取り囲み、その内周縁から外周縁に向けて表示部21の前方に傾斜した円輪状の印刷部63が設けられている。そして、印刷部63には、前に位置する外周縁から内周縁に向けて反射率が次第に高くなる透明透光性のグラデーション印刷が施されている。   Further, the dial 55 is provided with a ring-shaped printing unit 63 that surrounds the outer periphery of the display unit 61b and is inclined forward of the display unit 21 from the inner periphery to the outer periphery. The printing unit 63 is subjected to transparent translucent gradation printing in which the reflectance gradually increases from the outer peripheral edge located in front to the inner peripheral edge.

第1の照明手段57は、回路基板11に配設された例えばLED等の複数の光源73と、これら光源73の光を集光して文字板55の印刷部63に向けて射出する導光部材71と、で構成されている。   The first illuminating means 57 includes a plurality of light sources 73 such as LEDs arranged on the circuit board 11 and a light guide that collects the light from these light sources 73 and emits the light toward the printing unit 63 of the dial 55. And a member 71.

導光部材71は、例えば透光性のアクリル樹脂によって形成されたプリズム部材であって、文字板55の傾斜部62の背後に配置された円環状の射出部74と、この射出部74の外周縁部から回路基板11に向けて垂設された複数の集光部75と、を備えており、ケース58に組付けられている。   The light guide member 71 is a prism member formed of, for example, a light-transmitting acrylic resin. The light guide member 71 includes an annular injection portion 74 disposed behind the inclined portion 62 of the dial 55 and an outside of the injection portion 74. A plurality of light condensing portions 75 suspended from the peripheral portion toward the circuit board 11, and assembled to the case 58.

光源73は、回路基板11において、導光部材71の各集光部75の端面に対向する位置に配置されている。これらの光源73から射出された光は、導光部材71の各集光部75の端面に入射し、導光部材71の内部で反射されながら射出部74の外周面である射出面76に導かれる。射出面76から射出された光は、文字板55の傾斜部62を透過して印刷部63にその表面側から照射される。   The light source 73 is disposed on the circuit board 11 at a position facing the end face of each light collecting portion 75 of the light guide member 71. The light emitted from these light sources 73 is incident on the end face of each condensing portion 75 of the light guide member 71 and is guided to the exit surface 76 which is the outer peripheral surface of the exit portion 74 while being reflected inside the light guide member 71. It is burned. The light emitted from the emission surface 76 passes through the inclined portion 62 of the dial 55 and is applied to the printing portion 63 from the surface side.

導光部材71の射出面76から射出された光のうち、この射出面76の主に前縁側から射出された光が、反射率の低いグラデーション印刷が施された印刷部63の外周縁側を照明し、射出面76の主に後縁側から射出された光が、反射率の高いグラデーション印刷が施された印刷部63の内周縁側を照明する。そこで、射出面76の前縁側は凹面76aとされ、この凹面76aから射出される光は拡散されるようになっており、また射出面76の後縁側は凸面76bとされ、この凸面76bから射出される光は収束されるようになっている。   Of the light emitted from the emission surface 76 of the light guide member 71, the light emitted mainly from the front edge side of the emission surface 76 illuminates the outer peripheral edge side of the printing unit 63 on which gradation printing with low reflectance is performed. Then, the light emitted mainly from the rear edge side of the emission surface 76 illuminates the inner peripheral edge side of the printing unit 63 on which gradation printing with high reflectance is performed. Therefore, the front edge side of the emission surface 76 is a concave surface 76a, and light emitted from the concave surface 76a is diffused. The rear edge side of the emission surface 76 is a convex surface 76b, and the light is emitted from the convex surface 76b. The light to be focused is converged.

このように構成された本実施形態の計器装置50によれば、文字板55の表示部61bを取り囲む印刷部63には、その内周縁から外周縁にわたって反射率が次第に変化する透明透光性のグラデーション印刷が施されており、この印刷部63が第1の照明手段57により照明された際には、反射率の低いグラデーション印刷が施された外周縁では反射光が弱く、文字板55の地色が透けて見え、そして反射率の高いグラデーション印刷が施された内周縁側に向けて次第に反射光が強くなって光って見え、それに伴い文字板55の地色が隠される。このように内周縁から外周縁にわたって反射率が次第に変化する透明透光性のグラデーション印刷が施された印刷部63は、単純な着色印刷が施されたものに比べ、その光輝態様が変化に富み、それにより十分な立体感が醸し出され、視認性の向上を図ることができる。
また、透明透光性のグラデーション印刷が施された印刷部63は、例えば日中等で照明されない場合には、その全域において文字板55の地色が透けて見え、これに対し夜間等で照明された場合には、上記の通りの光輝態様を示し、照明の有無で異なる表現が可能となって、デザイン的にも優れる。
According to the instrument device 50 of the present embodiment configured as described above, the printing unit 63 surrounding the display unit 61b of the dial plate 55 has a transparent translucent property in which the reflectance gradually changes from the inner periphery to the outer periphery. When gradation printing is performed and the printing unit 63 is illuminated by the first illumination means 57, the reflected light is weak at the outer peripheral edge on which gradation printing with low reflectance is performed, and the dial 55 is grounded. The color is seen through, and the reflected light gradually becomes stronger and shines toward the inner peripheral edge on which the gradation printing with high reflectance is performed, and the background color of the dial 55 is concealed accordingly. In this way, the printing portion 63 subjected to the transparent translucent gradation printing in which the reflectance gradually changes from the inner peripheral edge to the outer peripheral edge is rich in change in the glittering aspect as compared with the simple colored printing. As a result, a sufficient three-dimensional effect is created and visibility can be improved.
In addition, when the printing unit 63 on which transparent translucent gradation printing has been performed is not illuminated, for example, during the daytime, the background color of the dial 55 can be seen through the entire area, and is illuminated at night or the like. In such a case, the brilliant aspect as described above is shown, and different expressions are possible depending on the presence or absence of illumination, which is excellent in terms of design.

また、本実施形態の計器装置50によれば、文字板55の印刷部63が、その内周縁から外周縁に向けて表示部61bの前方に傾斜しており、上記第1の照明手段57による照明時の印刷部63の光輝態様と相まって、より立体感が醸し出され、視認性の向上を図ることができる。   Further, according to the instrument device 50 of the present embodiment, the printing unit 63 of the dial plate 55 is inclined forward of the display unit 61b from the inner periphery to the outer periphery, and the first illumination unit 57 Coupled with the glittering aspect of the printing unit 63 at the time of illumination, a three-dimensional effect is created and visibility can be improved.

また、本実施形態の計器装置50によれば、グラデーション印刷が印刷部63の内周縁及び外周縁のうち前に位置する外周縁から他方の内周縁に向けて反射率が高くなっており、印刷部63の傾斜と上記第1の照明手段57による照明時の光輝態様との相乗効果を高めることができ、さらに立体感が醸し出され、視認性の一層の向上を図ることができる。   Further, according to the instrument device 50 of the present embodiment, the gradation printing has a higher reflectance from the outer peripheral edge located in front of the inner peripheral edge and the outer peripheral edge of the printing unit 63 toward the other inner peripheral edge. The synergistic effect of the inclination of the part 63 and the brightness aspect at the time of illumination by the first illumination means 57 can be enhanced, and a three-dimensional effect is created, and the visibility can be further improved.

また、本実施形態の計器装置50によれば、印刷部63の内周縁及び外周縁のうち反射率が低いグラデーション印刷が施された外周縁側には、導光部材71の射出面76における凹面76aにて拡散された光が照射され、そして、他方の反射率が高いグラデーション印刷が施された内周縁側には、導光部材71の射出面76における凸面76bにて収束された光が照射されるので、印刷部63において、反射率の低いグラデーション印刷が施された外周縁では反射光が一層弱く、他方、反射率の高いグラデーション印刷が施された内周縁では反射光が一層強くなり、上記第1の照明手段57による照明時の光輝態様がより明瞭なものとなって、さらに立体感が醸し出され、視認性の一層の向上を図ることができる。   Further, according to the instrument device 50 of the present embodiment, the concave surface 76a of the light exiting surface 76 of the light guide member 71 is provided on the outer peripheral side of the inner peripheral edge and the outer peripheral edge of the printing unit 63 where gradation printing with low reflectance is performed. Then, the light diffused in the light beam is irradiated, and the other inner peripheral edge on which the gradation printing with high reflectance is performed is irradiated with the light converged on the convex surface 76b of the emission surface 76 of the light guide member 71. Therefore, in the printing unit 63, the reflected light is weaker at the outer peripheral edge subjected to gradation printing with low reflectance, and the reflected light is further increased at the inner peripheral edge subjected to gradation printing with high reflectance. The illuminating aspect at the time of illumination by the first illumination means 57 becomes clearer, a three-dimensional effect is created, and the visibility can be further improved.

尚、本発明は、前述した実施形態に限定されるものではなく、適宜、変形、改良等が可能である。   In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably.

本発明に係る計器装置の第1実施形態の一部破断外観斜視図である。It is a partial fracture appearance perspective view of a 1st embodiment of a meter device concerning the present invention. 図1に示した計器装置のII−II線断面図である。It is the II-II sectional view taken on the line of the measuring device shown in FIG. 図1に示した計器装置に用いられる反射率可変透明印刷部周りの一部破断外観斜視図である。It is a partially broken external appearance perspective view around the reflectance variable transparent printing part used for the instrument apparatus shown in FIG. 本発明に係る計器装置の第2実施形態の断面図である。It is sectional drawing of 2nd Embodiment of the meter apparatus which concerns on this invention. 従来の計器装置の平面図である。It is a top view of the conventional instrument apparatus. 図5に示した計器装置の断面図である。It is sectional drawing of the instrument apparatus shown in FIG. 図5に示した計器装置に用いられる傾斜部周りの一部破断外観斜視図である。It is a partially broken external appearance perspective view around the inclination part used for the instrument apparatus shown in FIG.

符号の説明Explanation of symbols

10 計器装置
12 駆動装置
14 指針
15 文字板
17 第1の照明手段
21 表示部
22 文字板照明用光源(第2の照明手段)
23 印刷部
31 導光部材
33 光源
36 射出面
36a 凹面
36b 凸面
DESCRIPTION OF SYMBOLS 10 Instrument apparatus 12 Drive apparatus 14 Pointer 15 Dial 17 First illumination means 21 Display part 22 Light source for dial illumination (2nd illumination means)
23 Printing part 31 Light guide member 33 Light source 36 Ejection surface 36a Concave surface 36b Convex surface

Claims (4)

回転駆動される指針と、
前記指針の先端部にて指示される意匠が施された表示部、及び当該表示部の外周を取り囲み、その内周縁から外周縁にわたって反射率が次第に変化する透明透光性のグラデーション印刷が施された印刷部が表面に設けられた文字板と、
前記印刷部を前記文字板の表面側から照明する第1の照明手段と、
備え、
前記第1の照明手段が、光源、及び当該光源からの光を集光して前記印刷部に向けて射出する導光部材、を含み、
前記導光部材の射出面において、前記印刷部の内周縁又は外周縁のいずれか反射率が高い前記グラデーション印刷が施された周縁側に向けて光を射出する面が凸面に、他方の反射率が低い前記グラデーション印刷が施された周縁側に向けて光を射出する面が凹面に形成されていることを特徴とする計器装置。
A rotationally driven pointer;
The display part to which the design instruct | indicated at the front-end | tip part of the said pointer was given, and the translucent gradation printing which surrounds the outer periphery of the said display part, and a reflectance changes gradually from the inner periphery to an outer periphery is given. A dial with a printed part on the surface,
First illumination means for illuminating the printing unit from the surface side of the dial;
Equipped with a,
The first illumination means includes a light source and a light guide member that collects light from the light source and emits the light toward the printing unit,
On the exit surface of the light guide member, the surface that emits light toward the peripheral side on which the gradation printing is performed, which has a higher reflectance of either the inner periphery or the outer periphery of the printing unit, is a convex surface, and the other reflectance The instrument device is characterized in that a surface for emitting light toward the peripheral side on which the gradation printing is applied is formed as a concave surface .
前記印刷部を前記文字板の裏面側から照明する第2の照明手段をさらに備えたことを特徴とする請求項1に記載の計器装置。   The instrument device according to claim 1, further comprising second illumination means for illuminating the printing unit from the back side of the dial. 前記印刷部が、その内周縁から外周縁に向けて前記表示部の前方又は後方に傾斜していることを特徴とする請求項1又は請求項2に記載の計器装置。   The instrument device according to claim 1, wherein the printing unit is inclined forward or rearward of the display unit from an inner peripheral edge toward an outer peripheral edge thereof. 前記グラデーション印刷が、前記印刷部の内周縁又は外周縁のいずれか前に位置する周縁から他方の周縁に向けて反射率が変化することを特徴とする請求項3に記載の計器装置。 The instrument device according to claim 3, wherein in the gradation printing, the reflectance changes from a peripheral edge located in front of the inner peripheral edge or the outer peripheral edge of the printing unit toward the other peripheral edge .
JP2006104457A 2006-04-05 2006-04-05 Instrument device Active JP4812500B2 (en)

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