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JP2003014508A - Measuring instrument for vehicle - Google Patents

Measuring instrument for vehicle

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Publication number
JP2003014508A
JP2003014508A JP2001203656A JP2001203656A JP2003014508A JP 2003014508 A JP2003014508 A JP 2003014508A JP 2001203656 A JP2001203656 A JP 2001203656A JP 2001203656 A JP2001203656 A JP 2001203656A JP 2003014508 A JP2003014508 A JP 2003014508A
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JP
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Application
Patent type
Prior art keywords
circular
pointer
indication
dial
instrument
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2001203656A
Other languages
Japanese (ja)
Inventor
Hiroshi Kimura
Katsuhiro Kumazawa
Masato Namikata
真人 南方
浩 木村
克浩 熊沢
Original Assignee
Denso Corp
Toyota Motor Corp
トヨタ自動車株式会社
株式会社デンソー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
    • B60K37/00Dashboards
    • B60K37/02Arrangement of instruments
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
    • B60K2350/00Arrangements or adaptations of instruments; Dashboards
    • B60K2350/10Input/output devices or features thereof
    • B60K2350/1056Output devices of features thereof
    • B60K2350/1064Combined instruments with analogue meters and additional displays
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES
    • B60K2350/00Arrangements or adaptations of instruments; Dashboards
    • B60K2350/20Optical features of instruments
    • B60K2350/203Illumination features

Abstract

PROBLEM TO BE SOLVED: To form a measuring instrument for vehicles so that the pointer indication on an approximately circular arced dial and the indication of an indication panel located inside it can be visually recognized with a sense of unification in a well balanced state.
SOLUTION: A dial 40 has a circular arc guide hole 43 between an circular arced scale 41 and a dial central part 44. The middle portion in the longitudinal direction of the body 100a of a pointer 100 is supported with the top end 102 of a support shaft 100b extending in an L-shape through the guide hole 43 from the top end periphery of a pointer shaft 92 of a turning inner machine 90.
COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】 【0001】 【発明の属する技術分野】本発明は、車両に採用するに適した計器に関する。 BACKGROUND OF THE INVENTION [0001] [Technical Field of the Invention The present invention relates to an instrument suitable for adopting the vehicle. 【0002】 【従来の技術】従来、この種の計器としては、例えば、 [0002] Conventionally, as this kind of instrument, for example,
特開2000−108722号公報にて示すような自動車用計器がある。 Patent there is an automotive instrument shown in 2000-108722 JP. この計器では、環状のスケール目盛り盤の中央部の直上に電気光学的指示体たる表示パネルを配設し、指針を当該表示パネルとスケール目盛り盤との間からこのスケール目盛り盤上に長手状に延出させて、 In this instrument, disposed electro-optical indicator serving display panel directly above the center portion of the annular scale dial, the pointer to the longitudinal shape on the scale graduation platen from between the display panel and the scale dial and it is extended,
当該指針をスケール目盛り盤の表面に沿いその周方向に回動させるようになっている。 The guidance being adapted to rotate in the circumferential direction along the surface of the scale dial. 【0003】 【発明が解決しようとする課題】しかし、上記計器では、指針の回動基部が、表示パネルの裏面側に隠れて位置するため、表示パネルの表面側からは、指針の一部しか見えない。 [0003] The present invention is to provide, however, in the meter, rotation base of the pointer is to a position hiding the back surface side of the display panel, from the surface side of the display panel, only a part of the guidance can not see. このため、指針がスケール目盛り盤上で指示していても、この指針による指示よりも、表示パネルによる表示の方が強調されてしまうという不具合を招く。 For this reason, the guidelines also be indicated by the scale scale surface plate, than the indication by this guidance, leading to a problem that the people of the display by the display panel from being emphasized. また、指針がスケール目盛り盤と表示パネルとの間に介在しているため、スケール目盛り盤と表示パネルとの間に環状の段差が形成される。 Further, since the pointer is interposed between the display panel and the scale dial, annular step is formed between the scale dial and the display panel. これにより、スケール目盛り盤上の指針による指示表示と表示パネルの表示との間において一体感がなく散漫な表示となるという不具合もある。 As a result, there is also a problem that becomes a diffuse display no sense of unity between the display of the instruction display and the display panel according to guidelines of the scale scale surface plate. 【0004】そこで、本発明は、以上のようなことに対処するため、車両用計器において、略円弧状目盛り部上の指針による指示表示及びその内周側に位置する表示パネルの表示が一体感をもってバランスよく視認できるようにすることを目的とする。 [0004] Therefore, the present invention is to cope with the above, in the instrument for a vehicle, displays the oneness of the display panel located on the instruction display and the inner peripheral side thereof by guidance on a substantially arc-shaped scale part an object of the present invention is to be able to visually recognize a well-balanced with. 【0005】 【課題を解決するための手段】上記課題の解決にあたり、請求項1に記載の発明に係る車両用計器では、目盛り盤(40)、回動内機(90)、指針(100)及び表示パネル(60)を備え、目盛り盤は、透光性目盛り盤中央部(44)と、この目盛り盤中央部の外周に沿い一体に形成した略円弧状目盛り部(41)と、この目盛り部と透光性中央部との間にて目盛り部の内周に沿い円弧状に形成した案内穴部(43)とを有しており、表示パネルは、目盛り盤中央部にその裏面側にて併設されて、当該目盛り盤中央部を通して情報を表示し、回動内機は、表示パネルの裏面側に設けた内機本体(91) [0005] Upon resolving the problems SUMMARY OF THE INVENTION In the vehicular instrument according to the invention of claim 1, the dial (40), turning the machine (90), the pointer (100) and it includes a display panel (60), dial is translucent dial central portion (44), substantially arc-shaped scale portion formed integrally along the outer periphery of the dial central portion (41), this scale guide hole portion formed in an arc shape along an inner periphery of the scale part in between the parts and the transparent central portion (43) and has a display panel, on its back side dial central portion It is features Te, display information through the dial central, rotating the machine, the inner main body which is provided on the back side of the display panel (91)
と、この内機本体から表示パネルの裏面に向け回動可能に延出する指針軸(92)とを備え、指針は、指針軸から案内穴部を通り延出する支持軸(100b)と、目盛り盤の表面上にて目盛り部側へ長手状に延出するように支持軸の延出先端部(102)に支持される指針本体(100a)とを備える。 When, a pointer shaft that pivotally extending direction from the inner main body on the back surface of the display panel (92), guidance, support shaft and out through extending the guide hole portion from the pointer shaft and (100b), and a pointer body (100a) which is supported on the extended tip end portion of the support shaft (102) so as to extend in a longitudinal shape to the scale portion at dial on the surface. 【0006】このように、指針の指針本体は、その全体に亘り、目盛り盤の表面上に露呈しているので、当該指針本体による目盛り部上の指示は、指針本体の全長でもってなされる。 [0006] Guidance body this way, guidance over the entire, since exposed on the surface of the dial, indicated on the scale portion according to the pointer body is done with a full length of the pointer body. 従って、表示パネルによる表示が指針本体による指示に対し強調されることなく、指針本体による指示が表示パネルによる表示と共にバランスよく対等に視認され得る。 Accordingly, the display by the display panel without being emphasized relative indication by pointer body, indicated by the pointer body can be well-balanced equally visible together with the display by the display panel. 【0007】また、上述のように、目盛り盤においては、案内穴部が、目盛り部と目盛り盤中央部との間に形成されている。 [0007] As described above, in the scale plate, the guide hole is formed between the graduation portion and the dial central portion. そして、指針の指針本体が、回動内機の指針軸から案内穴部を通り延出する支持軸の先端部に支持されて、その全長に亘り、目盛り盤の表面上に露呈している。 The pointer main body of the pointer is supported by the front end portion of the supporting shaft that exits through extending the guide hole portion from the pointer shaft of the rotation in the machine, over its entire length, are exposed on the surface of the scale plate. 換言すれば、指針本体がその指示を行うための目盛り部の表面及び表示パネルが表示する目盛り盤中央部の表面は、段差を伴うことなく、同一面内に位置している。 In other words, the surface of the dial center portion surface and the display panel of the scale gauge unit for pointer main body performs the instruction is displayed, without a step, are positioned in the same plane. このため、指針本体による目盛り部の表面上での指示及び表示パネルによる目盛り盤中央部の表面上での表示が、一体感をもって視認され得る。 Therefore, the display on the surface of the scale plate central portion by an instruction and a display panel on the surface of the scale section by pointer body can be visually recognized with a sense of unity. 【0008】また、請求項2に記載の発明によれば、請求項1に記載の発明において、指針本体は、その後部(104)にて、目盛り盤中央部の表面上に延出していることを特徴とする。 [0008] According to the invention described in claim 2, in the invention described in claim 1, pointer body is that the at the rear (104), extends on the surface of the scale plate central portion the features. 【0009】これによれば、指針においては、指針本体が、その後部にて、目盛り盤中央部の表面上に延出して、その全長に亘り、目盛り盤の表面上に露呈し、支持軸により目盛り盤の裏面側にて指針軸に支持されているようには見えないので、指針本体は、目盛り盤の表面上にて宙に浮いているように視認され得る。 According to this, in the pointer, the pointer body, at its rear part, extends on the surface of the scale plate central portion, over its entire length, exposed on the surface of the scale plate, the support shaft does not seem to be supported by the hand shaft at dial on the back side, pointer body can be visually recognized as floating in the air at dial on the surface. その結果、請求項2に記載の発明によれば、請求項1に記載の発明の作用効果を達成し得るのは勿論のこと、指針が面白みのある斬新な視認性を提供できる。 As a result, according to the invention described in claim 2, of course it is to be achieved the effect of the invention described in claim 1, you are possible to provide a novel visibility pointer is interesting. 【0010】また、請求項3に記載の発明によれば、請求項1或いは2に記載の発明において、目盛り盤の裏面のうち案内穴部の内周部及び外周部に沿う各環状部からその裏面側へそれぞれ延出する環状の各遮蔽壁(80 [0010] According to the invention described in claim 3, in the invention described in claim 1 or 2, from its respective annular portion along the inner periphery and the outer periphery of the guide hole portion of the back surface of the dial each shield wall of annular shape respectively extending to the back side (80
a、80b)を備えることを特徴とする。 a, 80b) characterized in that it comprises a. 【0011】これにより、両遮蔽壁が、計器のうち案内穴部の裏面側を遮蔽する。 [0011] Thus, both the shielding wall to shield the back side of the guide hole of the instrument. その結果、請求項3に記載の発明によれば、請求項1或いは2に記載の発明と同様の作用効果を達成し得るのは勿論のこと、計器の目盛り盤の裏面側に位置する部材が、目盛り盤の表面側から案内穴部を通して視認されることがない。 As a result, according to the invention described in claim 3, that of course can be achieved the same effect as the invention described in claim 1 or 2, it is member located on the back side of the instrument dial , it will not be visible through the guide hole from the surface side of the scale plate. 【0012】なお、上記各手段の括弧内の符号は、後述する実施形態に記載の具体的手段との対応関係を示すものである。 [0012] The reference numerals in parentheses of the above means, are intended to show the correspondence with specific means described in embodiments described later. 【0013】 【発明の実施の形態】以下、本発明の一実施形態を図面に基づいて説明する。 DETAILED DESCRIPTION OF THE INVENTION Hereinafter, an embodiment of the present invention with reference to the accompanying drawings. 図1及び図2は、本発明に係る乗用車用計器の一例を示しており、この計器は、当該乗用車の車室内に設けたインストルメントパネルにタコメータとして配設されている。 1 and 2 show an example of a passenger car instrument according to the present invention, the instrument is disposed as a tachometer on the instrument panel which is provided in the passenger compartment of the passenger car. 【0014】当該計器は、断面コ字状のケーシング1 [0014] The instrument is U-shaped cross section of the casing 1
0、環状の見返し板20及びフロントパネル30からなるハウジング内に、目盛り盤40、目盛り盤用導光板5 0, in a housing comprising a circular dial plate 20 and the front panel 30, dial 40, dial light guide plate 5
0、液晶パネル60、液晶パネル用導光板70、内側及び外側の両円弧状遮蔽壁80a、80b、回動内機9 0, the liquid crystal panel 60, a liquid crystal panel for light guide plate 70, the inner and outer surfaces of the arc-shaped shield wall 80a, 80b, rotating the motor 9
0、指針100、配線板110、導光板用の複数の発光ダイオード120及び液晶パネル用の複数の発光ダイオード130を組み付けて構成されている。 0, the pointer 100, the wiring board 110, by assembling a plurality of light emitting diodes 120 and a plurality of light emitting diodes 130 of the liquid crystal panel for the optical waveguide plate is constructed. 【0015】見返し板20は、図2にて示すごとく、周壁20aの基端部に底壁20bを断面L字状に形成して構成されており、この見返し板20は、底壁20bの外周部にて、ケーシング10の開口部11に装着されている。 The dial plate 20, as shown in FIG. 2, the bottom wall 20b at the base end portion of the peripheral wall 20a is configured to form the L-shaped cross section, the dial plate 20, the outer periphery of the bottom wall 20b at part, it is mounted in the opening 11 of the casing 10. フロントパネル30は、その外周部にて、見返し板20の周壁20aの先端開口部21に装着されており、 The front panel 30 at its outer periphery, is mounted on the distal end opening 21 of the peripheral wall 20a of the dial plate 20,
このフロントパネル30はブラックフェイスとしての機能を有する。 The front panel 30 has a function as a black face. 【0016】目盛り盤40は、見返し板20の底壁20 [0016] The dial 40, the bottom wall 20 of the dial plate 20
bに形成した開口部22にその裏面側から併設されている。 The opening 22 formed in b are features from the back side. この目盛り盤40は、図1にて示すごとく、当該乗用車のエンジンの回転数を目盛ってなる略円弧状目盛り部41と回転数単位表示部42とを有している。 The scale plate 40, as shown in FIG. 1, has a substantially arc-shaped scale part 41 formed by a graduated scale rotational speed of the passenger car engine and the rotational speed unit display section 42. 目盛り部41は、見返し板20の開口部22の内周に沿い略円弧状に設けられており、この目盛り部41は、複数の目盛り41a及び複数の数41bにより構成されている。 Graduation 41, substantially along the inner periphery of the opening 22 of the dial plate 20 is provided in a circular arc shape, the scale gauge unit 41 is constituted by a plurality of graduations 41a and a plurality of number 41b.
また、回転数単位表示部42は、見返し板20の開口部22の内周のうち図1にて図示下方部分に沿い設けられている。 The rotational speed unit display section 42 is provided along the illustrated lower portion at an inner view 1 of the inner periphery of the opening 22 of the dial plate 20. 【0017】本実施形態では、目盛り盤40の外周部において、目盛り部41のうち各目盛り41a及び各数4 [0017] In this embodiment, the outer peripheral portion of the scale plate 40, the graduation 41a and the number 4 in the memory portion 41
1bの各文字の輪郭の内側並びに回転数単位表示部42 Inner and rotation number of units of the contour of each character 1b display unit 42
の各文字や記号の各輪郭の内側を除き、不透光な暗色となっている。 Except for the inside of each contour of each character or symbol, it has become opaque dark color. なお、目盛り部41の各目盛り41a及び各数41bの各文字の輪郭の内側並びに回転数単位表示部42の各文字や記号の各輪郭の内側は透明となっている。 Incidentally, the inside of the contours of the characters and symbols of the inner and rotational speed unit display section 42 of the contour of each character in the scale 41a and the number 41b of the scale gauge unit 41 is transparent. 【0018】また、目盛り盤40は、図1及び図2にて示すごとく、案内穴部43を備えており、この案内穴部43は、目盛り盤40のうち目盛り部41の内周に沿う部分に略円弧状に形成されている。 Further, dial 40, as shown in FIGS. 1 and 2, parts provided with a guide hole 43, the guide hole 43, along the inner circumference of the graduation portion 41 of the scale plate 40 It is formed in a substantially arc shape. ここで、当該目盛り盤40のうち案内穴部43よりも中央側に位置する中央部44(以下、目盛り盤中央部44という)は透明となっている。 Here, the central portion 44 (hereinafter referred to, dial the central portion 44) located closer to the center than the guide hole portion 43 of the dial 40 is made transparent. 【0019】導光板50は、目盛り盤40の目盛り部4 The light guide plate 50, the scale unit 4 of the scale plate 40
1に対応するように円弧板状に形成されており、この導光板50は、目盛り盤40にその裏面側から目盛り部4 Is formed in an arc plate shape so as to correspond to 1, the light guide plate 50, the graduation unit 4 from the back side dial 40
1に対応するようにこの目盛り部41の円弧方向に沿い併設されている。 It is juxtaposed along the arc direction of the scale portion 41 so as to correspond to 1. これにより、この導光板50はその裏面側から後述のように入射する光を導光して目盛り盤4 Thus, the light guide plate 50 is dial by guiding the light incident as described below from the back side 4
0の目盛り部41にその裏面から出射する。 The scale portion 41 of 0 is emitted from the back surface thereof. 【0020】液晶パネル60は目盛り盤中央部44に沿いその裏面側にて併設されており、この液晶パネル60 [0020] The liquid crystal panel 60 are juxtaposed in the rear side along the dial central portion 44, the liquid crystal panel 60
は、その裏面側から後述のように入射する光に応じて、 In response to light incident as described later from the rear surface side,
液晶パネル駆動回路(図示しない)による駆動のもと、 Under the driving by the liquid crystal panel driving circuit (not shown),
当該乗用車の車速をデジタル表示する。 The speed of the cars to the digital display. 導光板70は、 The light guide plate 70,
液晶パネル60に沿いその裏面側から併設されており、 Are features from the back side along the liquid crystal panel 60,
この導光板70は、その裏面側から後述のように入射する光を導光して液晶パネル60にその裏面側から入射する。 The light guide plate 70 is incident from the back side to the liquid crystal panel 60 to guide light incident as described below from the back side. 【0021】内側遮蔽壁80aは、目盛り盤40にその裏面側にて当該裏面に直角にかつ案内穴部43の内周部に沿うように配設されており、一方、外側遮蔽壁80b The inner shield wall 80a is disposed along the inner periphery of the right angle and guide hole 43 to the rear surface at the back surface side of the scale plate 40, while the outer shielding wall 80b
は、目盛り盤40にその裏面側にて当該裏面に直角にかつ案内穴部43の外周部に沿うように配設されている。 It is disposed along the outer periphery of a right angle to the back surface and the guide hole 43 at its rear side to dial 40.
これにより、両遮蔽壁80a、80bは、目盛り盤40 As a result, both the shield wall 80a, 80b is, dial 40
の案内穴部43の裏面側に位置する配線板110等を実質的に遮蔽する役割っを果たす。 Play a Tsu role of substantially shield the wiring board 110 located on the back side of the guide hole 43 of the like. 【0022】回動内機90は、内機本体91と、指針軸92とを備えており、内機本体91は、目盛り盤40に対応するように、ケーシング10内にてその底壁(図示しない)に装着されている。 The rotation in the machine 90 includes an inner main body 91, and a pointer shaft 92, the inner main body 91 so as to correspond to the dial 40, the bottom wall (shown in casing 10 It is attached to or not). 指針軸92は、内機本体9 Pointer shaft 92, the inner main body 9
1から配線板110の貫通穴部111を通り導光板70 The penetration hole portion 111 through the light guide plate 70 a of the wiring board 110 from 1
の裏面側へ回動可能に延出している。 It extends rotatably into the back side. なお、回動内機9 In addition, the rotation within the machine 9
0においては、内機本体91が当該乗用車のエンジンの回転数に応じて指針軸92を回動させる。 In 0, the inner main body 91 rotates the pointer shaft 92 according to the rotation speed of the passenger car engine. 【0023】指針100は、長手状の指針本体100a [0023] guideline 100, the longitudinal shaped pointer main body 100a
と、L字状支持軸100bとを備えている。 When, and a L-shaped support shaft 100b. 支持軸10 The support shaft 10
0bは、その基端部101にて、回動内機90の指針軸92の先端外周部に支持されており、この支持軸100 0b, at its proximal end 101 is supported by the front end outer peripheral portion of the pointer shaft 92 of the rotation in the machine 90, the support shaft 100
は、基端部101から導光板70の裏面に沿い並行に案内穴部43の裏面側に向けて延出し、かつL字状に屈曲して両遮蔽壁80a、80bの間及び案内穴部43を通り延出している。 Is extended toward the rear surface side of the guide hole 43 in parallel along the back surface of the light guide plate 70 from the base end portion 101, and L-shape bent to both the shielding wall 80a, between 80b and the guide hole 43 It has issued as extend the. これにより、支持軸100bは、指針軸92の回動に伴い回動し、その延出先端部102にて、案内穴部43の内部をその円弧方向に沿い移動する。 Accordingly, the support shaft 100b is rotated with the rotation of the hand shaft 92, at its extended tip end portion 102, it moves along the inside of the guide hole 43 in the arc direction. 【0024】指針本体100aは、その長手方向中間部位にて、支持軸100bの延出先端部102にこれに直角にかつ目盛り盤40の半径方向に沿うように支持されている。 The pointer body 100a, at its longitudinal intermediate portion, and is supported thereto so as to extend along the radial direction orthogonally and dial 40 to the extended tip end portion 102 of the support shaft 100b. これにより、指針本体100aは、その先端部103を目盛り部41の表面側に延出させ、その後部1 Thus, pointer body 100a is by extending the tip portion 103 on the surface side of the scale gauge unit 41, its rear 1
04を目盛り盤中央部44の表面側に延出させるように位置している。 It is positioned so as to extend to 04 surface side of the scale plate central portion 44. 【0025】配線板110は、導光板70の裏面に並行となるように、内機本体91の端面に支持されている。 The wiring board 110 is such that the parallel to the back surface of the light guide plate 70 is supported on the end face of the inner main body 91.
複数の発光ダイオード120は、導光板50を介し目盛り盤40の目盛り部41に対向するように、配線板11 A plurality of light emitting diodes 120, so as to face the scale part 41 of the scale plate 40 via the light guide plate 50, the wiring board 11
0の表面外周部に沿い円弧状に間隔をおいて配列されており、これら各発光ダイオード120は、その発光により導光板50内にその裏面から光を入射する。 0 are arranged at intervals in an arc shape along the surface outer peripheral portion of each of these light-emitting diodes 120, light enters from the back surface into the light guide plate 50 by the emission. 複数の発光ダイオード130は、指針軸92の軸周り近傍に沿い、配線板110の表面に間隔をおいて配列されており、これら各発光ダイオード130は、その発光により導光板70内にその裏面から光を入射する。 A plurality of light emitting diodes 130, along the vicinity around the axis of the hand shaft 92, are arranged at intervals on the surface of the wiring board 110, each of these light-emitting diodes 130, from the back surface into the light guide plate 70 by the emission the incident light. 【0026】以上のように構成した本実施形態において、複数の導光板用発光ダイオード120及び複数の液晶パネル用発光ダイオード130が発光すると、各発光ダイオード120からの光は、導光板50内にその裏面から入射する。 In the present embodiment configured as described above, when a plurality of light guide plates emitting diode 120 and the LED 130 for a plurality of liquid crystal panel is emitting light from each light emitting diode 120, the light guide plate 50 incident from the back side. すると、導光板50はその入射光を導光して目盛り盤40の目盛り部41及び回転数単位表示部42にその裏面から入射する。 Then, the light guide plate 50 is incident from the back surface to the scale portion 41 and the rotational speed unit display section 42 of the scale plate 40 by guiding the incident light. これに伴い、このように入射した光は、目盛り部41の各目盛り41a及び各数41b並びに回転数単位表示部42の文字や記号を透過することで、目盛り盤40の目盛り部41及び回転数単位表示部42を照明する。 Accordingly, light incident in this way, by passing through the respective scale 41a and the number 41b and the rotational speed unit display unit 42 characters and symbols of the scale gauge unit 41, the scale portion 41 and the rotational speed of the dial 40 illuminating the unit display section 42. なお、当該乗用車は走行状態にあるものとする。 Note that the passenger is assumed to be in the running state. 【0027】また、上述のように、複数の液晶パネル用発光ダイオード130が発光すると、これら各発光ダイオード130からの光は、導光板70内にその裏面から入射する。 Further, as described above, the light emitting diode 130 for a plurality of liquid crystal panels are emitting light from the respective light emitting diodes 130 is incident from the back surface into the light guide plate 70. すると、導光板70は、その入射光を導光して液晶パネル60及び目盛り盤中央部44を透過させる。 Then, the light guide plate 70, guided the incident light is transmitted through the liquid crystal panel 60 and the dial central portion 44. このため、液晶パネル60は、上記液晶パネル駆動回路による駆動のもと、当該乗用車の車速を目盛り盤中央部44を通してデジタル表示する。 Therefore, the liquid crystal panel 60, under the driving by the liquid crystal panel drive circuit, a digital display the vehicle speed of the passenger vehicle through the dial central portion 44. 【0028】また、回動内機90は、当該乗用車のエンジンの回転数に応じて指針軸92を回動すると、指針1 Further, turning the machine 90, when rotating the pointer shaft 92 according to the rotation speed of the passenger car engine, pointer 1
00の支持軸100bは、当該指針軸92の回動に応じて回動し、その延出先端部102を目盛り盤40の案内穴部43内にてその円弧方向に移動させる。 00 of the support shaft 100b is rotated in response to rotation of the hand shaft 92, it moves the extending front end portion 102 in the guide hole 43 of the scale plate 40 in the arc direction. これに伴い、指針本体100aは、支持軸100bの延出先端部102の上記移動に応じて目盛り盤40の表面に沿い回動して、目盛り部41上にて上記エンジンの回転数を指示する。 Accordingly, pointer body 100a is rotated along the surface of the scale plate 40 in response to the movement of the extending front end portion 102 of the support shaft 100b, and instructs the rotational speed of the engine at the graduation portion 41 above . 【0029】以上により、目盛り部41の表面上における指針本体100aによる回転数指示及び目盛り盤中央部44を介する液晶パネル60のデジタル表示の双方が、フロントパネル30を通して視認され得る。 The [0029] above, both the digital display of the liquid crystal panel 60 via the rotational speed instruction and dial the central portion 44 by pointer body 100a on the surface of the scale portion 41 can be seen through the front panel 30. 【0030】ここで、上述のように、指針100の指針本体100aは、その後部104をも含めて、その全体に亘り、目盛り盤40の表面上に露呈しているので、上記エンジンの回転数指示は、指針本体100aの全長でもってなされる。 [0030] Here, as described above, pointer main body 100a of the guide 100, including the the rear 104, throughout its, since exposed on the surface of the scale plate 40, the rotational speed of the engine instruction is made with the full length of the pointer main body 100a. 従って、液晶パネル60によるデジタル表示が指針本体100aによる回転数指示に対し強調されることなく、指針本体100aによる回転数指示が液晶パネル60によるデジタル表示と共にバランスよく対等に視認され得る。 Therefore, without the digital display by the liquid crystal panel 60 is enhanced with respect to the rotation speed instruction by pointer body 100a, the rotational speed instruction by the pointer main body 100a can be viewed well-balanced equally with digital display by the liquid crystal panel 60. 【0031】また、上述のように、目盛り盤40においては、案内穴部43が、目盛り部41と目盛り盤中央部44との間に形成されている。 Further, as described above, in the dial 40, the guide hole 43 is formed between the graduation portion 41 and the scale plate central portion 44. そして、指針100の指針本体100aが、回動内機90の指針軸92の先端部から案内穴部43を通りL字状に延出する支持軸100 The pointer body 100a of the pointer 100, the support shaft extending guide hole 43 as L-shape from the distal end portion of the pointer shaft 92 of the rotation in the machine 90 100
bの先端部に支持されて、その全長に亘り、目盛り盤4 Is supported by the tip of b, over its entire length, dial 4
0の表面上に露呈している。 0 is exposed on the surface of. 換言すれば、指針本体10 In other words, the pointer main body 10
0aが回転数指示を行うための目盛り部41の表面及び液晶パネル60が車速をデジタル表示する目盛り盤中央部44の表面は、段差を伴うことなく、同一面内に位置している。 The surface of the scale plate central portion 44 to the surface and the liquid crystal panel 60 of the scale portion 41 for 0a is the rotation speed instruction to the digital display of the vehicle speed, without a step, are positioned in the same plane. このため、指針本体100aによる目盛り部41の表面上での回転数指示及び液晶パネル60による目盛り盤中央部44の表面上での車速デジタル表示が、 Therefore, the vehicle speed digital display on the surface of the scale plate central portion 44 by the rotation speed instruction and the liquid crystal panel 60 on the surface of the scale gauge unit 41 according to the pointer body 100a is,
一体感をもって視認され得る。 It can be viewed with a sense of unity. 【0032】また、上述のように、指針100においては、指針本体100aが、後部104にて、目盛り盤中央部44の表面上に延出して、その全長に亘り、目盛り盤40の表面上に露呈しており、支持軸100bにより目盛り盤40の裏面側にて指針軸92に支持されているようには見えないので、指針本体100aは、目盛り盤40の表面上にて宙に浮いているように視認され得る。 Further, as described above, in the pointer 100, the pointer main body 100a is at the rear 104, extending on the surface of the scale plate central portion 44, over its entire length, on the surface of the scale plate 40 the exposed and, therefore does not appear to have been supported by the hand shaft 92 at the back side of the dial 40 by a support shaft 100b, pointer body 100a is suspended in the air at the surface of the scale plate 40 It can be viewed as such.
その結果、指針100が面白みのある斬新な視認性を提供できる。 As a result, the pointer 100 can provide a novel visibility with interesting. 【0033】なお、本発明の実施にあたり、各発光ダイオード120、130に代えて、ランプ、冷陰極線管等の各種の光源を採用してもよい。 It should be noted, the practice of the present invention, instead of the light emitting diodes 120 and 130, the lamp may employ various light sources such as a cold cathode ray tube. 【0034】また、本発明の実施にあたり、液晶パネル60は、これに限ることなく、ELパネルやVFDを有するパネル等の表示パネルであってもよい。 Further, the practice of the present invention, the liquid crystal panel 60 is not limited thereto and may be a display panel such as a panel having an EL panel or VFD. 【0035】また、本発明の実施にあたり、上記実施形態とは異なり、目盛り盤40の目盛り部41は、当該乗用車の車速を目盛ってなる目盛り部とし、液晶パネル6 Further, the practice of the present invention, unlike the above embodiment, the scale 41 of the scale plate 40, the graduation portion formed by a graduated scale speed of the passenger car, the liquid crystal panel 6
0は上記エンジンの回転数をデジタル表示するようにした計器に本発明を適用してもよい。 0 may be applied to the present invention the instrument which is adapted to digitally display the rotational speed of the engine. 【0036】また、本発明の実施にあたり、目盛り盤4 [0036] In addition, the practice of the present invention, the dial 4
0は、例えば、ポリカーボネートのような透明の樹脂シート(板厚0.5mm程度)の表面に、目盛り部41の各目盛りや各数及び回転数単位表示部42の記号や各文字並びに目盛り盤中央部44に対応する部分を除き不透光の印刷層を形成することで構成してもよい。 0, for example, on the surface of the transparent resin sheet such as a polycarbonate (about thickness 0.5 mm), the scale and the number and symbols and each character and dial central rpm unit display section 42 of the scale portion 41 it may be constructed by forming a printed layer of opaque except for a portion corresponding to part 44. また、印刷層を目盛り盤中央部44に対応する部分も含めて形成し、当該目盛り盤中央部44に対応する部分は透光可能な薄い印刷とするようにしてもよい。 Further, even including formed portions corresponding printed layer on the dial central portion 44, the portion corresponding to the dial center portion 44 may be a translucent possible thin printing. 【0037】また、本発明の実施にあたり、液晶パネル60は、車速に限ることなく、当該乗用車の走行距離表示、警告表示や簡易ナビゲータ表示を行うようにしてもよい。 Further, the practice of the present invention, the liquid crystal panel 60 is not limited to the vehicle speed, it may be performed mileage display, alarm display and simple navigator display of the passenger car. 【0038】また、本発明の実施にあたり、目盛り盤4 [0038] In addition, the practice of the present invention, the dial 4
0の目盛り部41は各目盛り及び各数をも含めて不透光に形成し、導光板50及び各発光ダイオード120を廃止してもよい。 Scale part 41 0 is formed on opaque by including each scale and the number of the light guide plate 50 and the light emitting diodes 120 may be eliminated. 【0039】また、本発明の実施にあたり、指針100 [0039] In addition, the practice of the present invention, the pointer 100
は、指針本体100aを導光材料で形成し、この指針本体100a内にその後端面から発光ダイオードにより光を入射することで、指針本体100aにて発光するようにした発光指針としてもよい。 Forms a pointer body 100a in the light guiding material, by incidence of light by the light emitting diode from the rear end surface in the pointer body 100a, or as a light-emitting pointer that to emit light at pointer body 100a. 【0040】また、本発明の実施にあたり、乗用車用計器に限ることなく、自動車その他の車両用計器に本発明を適用してもよい。 Further, the practice of the present invention is not limited to passenger cars meter, the invention may be applied to automobiles and other instruments for vehicles.

【図面の簡単な説明】 【図1】本発明の一実施形態を示す部分破断正面図である。 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially cutaway front view showing one embodiment of the present invention. 【図2】図1の2−2線に沿う断面図である。 2 is a sectional view taken along line 2-2 in FIG. 【符号の説明】 40…目盛り盤、41…目盛り部、43…案内穴部、4 Description of the sign] 40 ... dial, 41 ... graduation section, 43 ... guide hole, 4
4…目盛り盤中央部、60…液晶パネル、90…回動内機、91…内機本体、92…指針軸、100…指針、1 4 ... dial central, 60 ... liquid crystal panel, 90 ... turning the machine, 91 ... inner main body, 92 ... hand shaft, 100 ... guidelines 1
00a…指針本体、100b…支持軸、102…延出先端部、104…後端部、80a、80b…遮蔽壁。 00a ... pointer body, 100b ... support shaft, 102 ... extending front end portion, 104 ... rear portion, 80a, 80b ... shielding wall.

───────────────────────────────────────────────────── フロントページの続き (72)発明者 熊沢 克浩 愛知県刈谷市昭和町1丁目1番地 株式会 社デンソー内(72)発明者 南方 真人 愛知県豊田市トヨタ町1番地 トヨタ自動 車株式会社内Fターム(参考) 3D044 BA14 BA21 BB01 BD01 ────────────────────────────────────────────────── ─── of the front page continued (72) inventor Katsuhiro KUMAZAWA Kariya, Aichi Showacho 1-chome 1 address stock Company in Denso (72) inventor Masato Minakata Toyota City, Aichi Prefecture, Toyota-cho, Toyota first address Toyota Motor Co., Ltd. in F-term (reference) 3D044 BA14 BA21 BB01 BD01

Claims (1)

  1. 【特許請求の範囲】 【請求項1】 目盛り盤(40)、回動内機(90)、 Claims We claim: 1. A dial (40), turning the machine (90),
    指針(100)及び表示パネル(60)を備え、 前記目盛り盤は、透光性目盛り盤中央部(44)と、この目盛り盤中央部の外周に沿い一体に形成した略円弧状目盛り部(41)と、この目盛り部と前記透光性中央部との間にて前記目盛り部の内周に沿い円弧状に形成した案内穴部(43)とを有しており、 前記表示パネルは、前記目盛り盤中央部にその裏面側にて併設されて、当該目盛り盤中央部を通して情報を表示し、 前記回動内機は、前記表示パネルの裏面側に設けた内機本体(91)と、この内機本体から前記表示パネルの裏面に向け回動可能に延出する指針軸(92)とを備え、 前記指針は、前記指針軸から前記案内穴部を通り延出する支持軸(100b)と、前記目盛り盤の表面上にて前記目盛り部側へ長手状に延出するよう It has hands (100) and the display panel (60), said dial is translucent dial central portion (44), substantially arc-shaped scale portion formed integrally along the outer periphery of the scale disc central portion (41 ) and has a guide hole portion formed in an arc shape along the inner periphery of the graduation portion (43) at between the translucent central portion and the scale portion, wherein the display panel, the are features at its rear side to dial the central portion, and displays the information through the dial center and the rotating inside machine, an inner main body which is provided on the back surface side of the display panel (91), this with the pointer shaft which pivotally extends towards the inner machine body on the back surface of the display panel and (92), the pointer, the support shaft and out through extending the guide hole portion from said pointer shaft and (100b) , so as to extend in a longitudinal shape to the scale portion at the dial on the surface に前記支持軸の延出先端部(102)に支持される指針本体(100a) Pointer body which is supported on the extended tip end portion (102) of said support shaft (100a)
    とを備える車両用計器。 Instrument for a vehicle including a door. 【請求項2】 前記指針本体は、その後部(104)にて、前記目盛り盤中央部の表面上に延出していることを特徴とする請求項1に記載の車両用計器。 Wherein said pointer body, at its rear (104), a vehicle meter according to claim 1, characterized in that extends on the surface of the scale plate central portion. 【請求項3】 前記目盛り盤の裏面のうち前記案内穴部の内周部及び外周部に沿う各環状部からその裏面側へそれぞれ延出する環状の各遮蔽壁(80a、80b)を備えることを特徴とする請求項1或いは2に記載の車両用計器。 Wherein further comprising the dial of the back surface of the guide hole of the inner peripheral portion and outer peripheral portion extending from the respective annular portions to the rear side along the left annular each shield wall (80a, 80b) the vehicle instrument according to claim 1 or 2, characterized in.
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