JP4728881B2 - Pointer instrument - Google Patents
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- JP4728881B2 JP4728881B2 JP2006159975A JP2006159975A JP4728881B2 JP 4728881 B2 JP4728881 B2 JP 4728881B2 JP 2006159975 A JP2006159975 A JP 2006159975A JP 2006159975 A JP2006159975 A JP 2006159975A JP 4728881 B2 JP4728881 B2 JP 4728881B2
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- light sources
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- 239000000758 substrate Substances 0.000 claims description 10
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/60—Structural details of dashboards or instruments
- B60K2360/68—Features of instruments
- B60K2360/698—Pointers of combined instruments
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- Details Of Measuring Devices (AREA)
- Instrument Panels (AREA)
- Indicating Measured Values (AREA)
Description
本発明は、回転する指針及び目盛盤を有する指針計器に関するもので、車両用の速度計や回転計に適用して有効である。 The present invention relates to a pointer instrument having a rotating pointer and a scale board, and is effective when applied to a speedometer and a tachometer for a vehicle.
車両用の速度計（回転計も含む。）として、例えば特開２０００−１０８７２２号公報に記載の発明では、目盛盤の目盛部より指針の回転中心側に液晶ディスプレイ（以下、ＬＣＤと表記する。）を設けている。 As a vehicle speedometer (including a tachometer), for example, in the invention described in Japanese Patent Application Laid-Open No. 2000-108722, a liquid crystal display (hereinafter referred to as LCD) is displayed on the rotation center side of the pointer from the scale portion of the scale board. ).
ところで、通常のＬＣＤでは、バックライト等の光源を必要とするので、ＬＣＤ用の光源を指針の回転中心側に設けると、この光源に電力を供給する電気配線を指針の回転中心側に設けなければならないので、指針計器の構造が複雑になり、指針計器の大型化及び製造原価上昇を招いてしまう。 By the way, a normal LCD requires a light source such as a backlight. Therefore, if the light source for the LCD is provided on the rotation center side of the pointer, an electric wiring for supplying power to the light source must be provided on the rotation center side of the pointer. This complicates the structure of the pointer instrument, leading to an increase in the size of the pointer instrument and an increase in manufacturing costs.
本発明は、上記点に鑑み、簡便な手段に指針の回転中心側にＬＣＤ等の表示手段を配設することを目的とする。 The present invention has been made in view of the above points, and an object of the present invention is to dispose display means such as an LCD on the rotation center side of a pointer as a simple means.
本発明は、上記目的を達成するため、請求項１に記載の発明では、回転する指針（１１３）及び環状の形状部分を備える目盛盤（１１１）を有する指針計器であって、目盛盤（１１１）の目盛部（１１２）より指針（１１３）の回転軸中心側で該目盛盤（１１１）の環状の形状部分の内側に位置し、かつ指針（１１３）の表面上方に設けられ、信号線を介して入力される信号に応じて情報を表示する表示手段（１１４）と、指針（１１３）を回転される回動内機（１１５）と、目盛盤（１１１）の背面側に位置して回動内機（１１５）が固定された基板（１１６）と、基板（１１６）に設けられ、指針（１１３）の回転軸よりも離れた位置であって表示手段（１１４）の背面側に位置した二つの光源（１１７ａ、１１７ｂ）と、光源（１１７ａ、１１７ｂ）の光をそれぞれ表示手段（１１４）に導く二つの導光手段（１１８ａ、１１８ｂ）とを備え、光源（１１７ａ、１１７ｂ）と導光手段（１１８ａ、１１８ｂ）とを目盛盤（１１１）の環状の形状部分の内側に配置し、前記光源（１１７ａ、１１７ｂ）と導光手段（１１８ａ、１１８ｂ）の光源（１１７ａ、１１７ｂ）に対向する部分とを、目盛盤（１１１）の表面から見て指針（１１３）の回転軸中心側の下方側において各々上下関係に配置したことを特徴とする。 In order to achieve the above object, the present invention provides a pointer instrument having a rotating indicator (113) and a dial plate (111) having an annular shape portion. ) Is located on the rotary shaft center side of the pointer (113) from the scale portion (112) inside the annular shape portion of the scale plate (111), and is provided above the surface of the pointer (113). Display means (114) for displaying information according to a signal input via the control unit, a rotating inner unit (115) for rotating the pointer (113), and a rotating position located on the back side of the dial (111). The substrate (116) to which the internal motor (115) is fixed, and the substrate (116) are located on the back side of the display means (114) at a position away from the rotation axis of the pointer (113). Two light sources (117a, 117b) and a light source (117 , And a two light guiding means for guiding light 117b) to each display means (114) (118a, 118b), a light source (117a, 117b) and the light guide unit (118a, 118b) and the grating disk (111) of disposed inside the annular-shaped portion, said light source (117a, 117b) and the light guide unit (118a, 118b) light sources (117a, 117b) of a portion facing the, viewed from the front of the graduation plate (111) The pointer (113) is arranged in a vertical relationship on the lower side of the center of the rotation axis.
これにより、表示手段（１１４）用の光源を指針（１１３）の回転中心側に設ける必要がないので、指針計器の構造を単純なものとすることができる。したがって、指針計器の大型化及び製造原価上昇を抑制しつつ、簡便な手段に指針の回転中心側に表示手段（１１４）を配設することができる。 Thereby, since it is not necessary to provide the light source for the display means (114) on the rotation center side of the pointer (113), the structure of the pointer instrument can be simplified. Therefore, the display means (114) can be arranged on the rotation center side of the pointer as a simple means while suppressing an increase in the size of the pointer instrument and an increase in manufacturing cost.
なお、指針（１１３）を照らす指針用光源（１１７ａ、１１７ｂ）は、請求項２に記載の発明のごとく、光源（１１７ａ、１１７ｂ）が設けられた基板（１１６）に設けてもよい。 The pointer light sources (117a, 117b) for illuminating the pointer (113) may be provided on the substrate (116) provided with the light sources (117a, 117b) as in the second aspect of the invention.
また、請求項３に記載の発明のごとく、その二つの光源の発光色を互いに相違させてもよい。 Further, as described in claim 3, the emission colors of the two light sources may be different from each other.
さらに、請求項４に記載の発明のごとく、表示手段を液晶ディスプレイから構成してもよい。 Further, as in the fourth aspect of the invention, the display means may be constituted by a liquid crystal display.
因みに、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一例である。 Incidentally, the reference numerals in parentheses of each means described above are an example showing the correspondence with the specific means described in the embodiments described later.
（実施形態）
本実施形態は、本発明に係る指針計器を車両用の速度計に適用したものであって、図１は車両速度を表示する速度計１１０、エンジン回転を表示する回転計１２０、エンジン冷却水の温度を表示する水温計１３０、及び燃料の残量を表示する燃料計１４０等からなるコンビネーションメータ１００の正面図である。
(Embodiment)
In this embodiment, the pointer instrument according to the present invention is applied to a speedometer for a vehicle. FIG. 1 shows a speedometer 110 for displaying a vehicle speed, a tachometer 120 for displaying engine rotation, and engine cooling water. FIG. 2 is a front view of a combination meter 100 including a water temperature meter 130 for displaying temperature, a fuel meter 140 for displaying the remaining amount of fuel, and the like.
因みに、１０１は方向指示灯（図示せず。）の点灯を示すインジケータであり、１０２はオートマチィックトランスミッション（ＡＴ）のギヤポジションを示すポジションインジケータである。 Incidentally, 101 is an indicator that indicates lighting of a direction indicator lamp (not shown), and 102 is a position indicator that indicates the gear position of the automatic transmission (AT).
以下、本発明の実施形態である速度計１１０について述べる。 Hereinafter, the speedometer 110 which is an embodiment of the present invention will be described.
１１１は速度目盛り１１２ａが印刷された目盛部１１２を有する目盛盤であり、１１３は目盛部１１２（速度目盛り１１２ａ）を指し示す指針である。そして、目盛部１１２より指針１１３の回転中心側には、走行距離を示すオドメータ１１４ａ、シートベルトの着用を促す警告灯１１４ｂ、及びカーナビションシステムからの情報を表示する簡易ナビ表示部１１４ｃからなるＬＣＤ製の表示部（表示手段）１１４が設けられている。なお、図１から明白なように、目盛盤１１１は環状の形状部分を有しており、ＬＣＤ製の表示部１１４はこの環状形状目盛盤１１１の環状内側に位置していことが理解できる。 111 is a scale plate having a scale portion 112 on which a speed scale 112a is printed, and 113 is a pointer indicating the scale portion 112 (speed scale 112a). An LCD comprising an odometer 114a indicating the travel distance, a warning lamp 114b for prompting the user to wear a seat belt, and a simple navigation display unit 114c for displaying information from the car navigation system is provided on the rotation center side of the pointer 113 from the scale unit 112. A display section (display means) 114 made of the product is provided. As is clear from FIG. 1, the scale plate 111 has an annular shape portion , and it can be understood that the LCD display portion 114 is located inside the annular shape scale plate 111.
図２は速度計１１０の断面図であり、１１５は指針１１３を回転させる回動内機（ムーブメント）であり、１１６は回動内機１１５が固定された樹脂製の基板である。そして、基板１１６には、回動内機１１５に電気信号を供給する電気配線が形成されているとともに、表示部１１４を照らす光源をなす第１、２ＬＥＤ（発光ダイオード）１１７ａ、１１７ｂ、及び指針を照らす指針用光源をなす第３ＬＥＤ１１７ｃが設けられている。 FIG. 2 is a cross-sectional view of the speedometer 110, in which 115 is a rotating inner unit (movement) for rotating the pointer 113, and 116 is a resin substrate on which the rotating inner unit 115 is fixed. The board 116 is provided with electric wiring for supplying an electric signal to the rotary inner unit 115, and first and second LEDs (light emitting diodes) 117a and 117b that serve as a light source for illuminating the display unit 114, and a pointer. A third LED 117c is provided as a pointer light source for illuminating.
なお、第１〜３ＬＥＤ１１７ａ〜１１７ｃも基板１１６上に形成された電気配線から電力を供給を受けている。 The first to third LEDs 117a to 117c are also supplied with electric power from the electric wiring formed on the substrate 116.
また、１１８ａは第１ＬＥＤ１１７ａからの光を表示部１１４の上部（警告灯１１４ｂ側）に導く第１プリズム（導光手段）であり、１１８ｂは第２ＬＥＤ１１７ｂからの光を表示部１１４の中央部から下部（簡易ナビ表示部１１４ｃ及びオドメータ１１４ａ側）に導く第２プリズム（導光手段）である。 Reference numeral 118a denotes a first prism (light guiding unit) that guides light from the first LED 117a to the upper part (warning lamp 114b side) of the display unit 114, and 118b denotes light from the second LED 117b from the central part to the lower part. This is a second prism (light guiding means) that leads to the (simple navigation display portion 114c and odometer 114a side).
なお、本実施形態では、第１ＬＥＤ１１７ａと第２ＬＥＤ１１７ｂの発光色が相違する異種の光源であるので、導光手段をなすプリズムも第１プリズム１１８ａ及び第２プリズム１１８ｂの２種としている。 In the present embodiment, since the light sources of the first LED 117a and the second LED 117b are different types of light sources, there are two types of prisms constituting the light guide means, the first prism 118a and the second prism 118b.
また、第１、２プリズム１１８ａ、１１８ｂの外表面は、光を反射させることによりプリズムから１１８ａ、１１８ｂから光が漏れることを防止すべく、図２の太い実線部分は白色にて塗装されている。 The outer surfaces of the first and second prisms 118a and 118b are painted white in FIG. 2 to prevent light from leaking from the prisms 118a and 118b by reflecting the light. .
因みに、第３ＬＥＤ１１７ｃからの光は、指針１１３内を通過することにより指針１１３を照らすように作用する。また、１１３ａは指針１１３の偶力を打ち消すバランサーであり、１１４ｄは表示部１１４ｄに信号電流を供給する信号線である。 Incidentally, the light from the third LED 117c acts to illuminate the pointer 113 by passing through the pointer 113. Reference numeral 113a denotes a balancer that cancels the couple of the hands 113, and reference numeral 114d denotes a signal line that supplies a signal current to the display unit 114d.
次に、本実施形態の特徴を述べる。 Next, features of the present embodiment will be described.
本実施形態によれば、基板１１６に設けられた第１、２ＬＥＤ１１７ａ、１１７ｂからの光を第１、２プリズム１１８ａ、１１８ｂを介して表示部１１４に導くので、ＬＣＤ用の光源を指針の回転中心側に設け必要がなく、速度計１１０（指針計器）の構造を単純なものとすることができる。 According to the present embodiment, the light from the first and second LEDs 117a and 117b provided on the substrate 116 is guided to the display unit 114 via the first and second prisms 118a and 118b, so that the LCD light source is the center of rotation of the pointer. The speedometer 110 (pointer instrument) can be simplified in structure.
したがって、速度計１１０（指針計器）の大型化及び製造原価上昇を抑制しつつ、簡便な手段に指針の回転中心側にＬＣＤ製の表示部１１４を配設することができる。 Therefore, the LCD display unit 114 can be disposed on the rotation center side of the pointer as a simple means while suppressing an increase in the size of the speedometer 110 (pointer instrument) and an increase in manufacturing cost.
（その他の実施形態）
上述の実施形態では、表示部１１４としてＬＣＤを用いたが、本発明はこれに限定されるものではなく、ＣＲＴ（ブラウン管）、ＬＥＤ（発光ダイオード）からなる表示パネル、ＥＬ（エレクトロルミネッセンス）、プラズマディスプレイ、ＶＦＤ（冷電極放電管）等のその他の表示手段であってもよい。
(Other embodiments)
In the above-described embodiment, an LCD is used as the display unit 114. However, the present invention is not limited to this, and a display panel made of CRT (CRT), LED (light emitting diode), EL (electroluminescence), plasma. Other display means such as a display and a VFD (cold electrode discharge tube) may be used.
また、上述の実施形態では、指針用光源（第３ＬＥＤ１１７ｃ）を有していたが、第３ＬＥＤ１１７ｃを廃止し、表示部１１４に光を供給する第１、２ＬＥＤ１１７ａ、１１７ｂの光を指針１１３に供給してもよい。 In the above-described embodiment, the pointer light source (third LED 117c) is provided. However, the third LED 117c is eliminated, and the first and second LEDs 117a and 117b that supply light to the display unit 114 are supplied to the pointer 113. May be.
また、上述の実施形態では、表示部１１４に２種類以上の光を供給する必要があったので、２種以上の光源（第１、２ＬＥＤ１１７ａ、１１７ｂ）を有していたが、本発明はこれ限定されるものではなく、１種類の光源にて表示部１１４用の光源を構成してもよい。なお、この場合は、導光手段をなすプリズムを１個としてもよい。 In the above-described embodiment, since it is necessary to supply two or more types of light to the display unit 114, the display unit 114 has two or more types of light sources (first and second LEDs 117a and 117b). The light source for the display unit 114 may be configured by one type of light source. In this case, the number of prisms constituting the light guiding means may be one.
また、上述の実施形態では、表示部１１４に光を導く導光手段としてプリズムを採用したが、本発明はこれに限定されるものではなく、光ファイバー等のその他の導光手段を採用してもよい。 In the above-described embodiment, the prism is employed as the light guiding unit that guides light to the display unit 114. However, the present invention is not limited to this, and other light guiding units such as an optical fiber may be employed. Good.
また、光源はＬＥＤに限定されるものではなく、電球（バルブ）等のその他のものであってもよい。 Further, the light source is not limited to the LED, but may be another light bulb (bulb) or the like.
また、上述の実施形態では、車両用の速度計を例に本発明を説明したが、本発明の適用はこれに限定されるものではなく、その他用途にも適用することができる。 In the above-described embodiment, the present invention has been described by taking a vehicle speedometer as an example. However, the application of the present invention is not limited to this and can be applied to other uses.
１１１…目盛盤、１１３…指針、１１４…表示部、１１５…回動内機、１１６…基板、１１７ａ…第１ＬＥＤ（光源）、１１７ｂ…第２ＬＥＤ（光源）、１１７ｃ…第３ＬＥＤ（指針用光源）。 DESCRIPTION OF SYMBOLS 111 ... Scale board, 113 ... Pointer, 114 ... Display part, 115 ... Rotation inner machine, 116 ... Substrate, 117a ... First LED (light source), 117b ... Second LED (light source), 117c ... Third LED (light source for pointer) .
Claims (4)
前記目盛盤（１１１）の目盛部（１１２）より前記指針（１１３）の回転軸中心側で該目盛盤（１１１）の前記環状の形状部分の内側に位置し、かつ前記指針（１１３）の表面上方に設けられ、信号線を介して入力される信号に応じて情報を表示する表示手段（１１４）と、
前記指針（１１３）を回転される回動内機（１１５）と、
前記目盛盤（１１１）の背面側に位置して前記回動内機（１１５）が固定された基板（１１６）と、
前記基板（１１６）に設けられ、前記指針（１１３）の回転軸よりも離れた位置であって前記表示手段（１１４）の背面側に位置した二つの光源（１１７ａ、１１７ｂ）と、
前記光源（１１７ａ、１１７ｂ）の光をそれぞれ前記表示手段（１１４）に導く二つの導光手段（１１８ａ、１１８ｂ）とを備え、
前記光源（１１７ａ、１１７ｂ）と前記導光手段（１１８ａ、１１８ｂ）とを前記目盛盤（１１１）の前記環状の形状部分の内側に配置し、かつ前記光源（１１７ａ、１１７ｂ）と前記導光手段（１１８ａ、１１８ｂ）の前記光源（１１７ａ、１１７ｂ）に対向する部分とを、前記目盛盤（１１１）の表面から見て前記指針（１１３）の前記回転軸中心側の下方側において各々上下関係に配置したことを特徴とする指針計器。 A pointer instrument having a rotating pointer (113) and a dial plate (111) having an annular shape portion ,
Located on the rotary shaft center side of the pointer (113) from the scale portion (112) of the scale plate (111) and inside the annular shape portion of the scale plate (111), and the surface of the pointer (113) Display means (114) provided above and displaying information according to a signal input via a signal line;
A rotating inner unit (115) for rotating the pointer (113);
A substrate (116) located on the back side of the scale plate (111) and to which the rotating inner unit (115) is fixed;
Two light sources (117a, 117b) provided on the substrate ( 116) and located on the back side of the display means (114) at a position away from the rotation axis of the pointer (113);
Two light guide means (118a, 118b) for guiding the light from the light sources (117a, 117b) to the display means (114), respectively .
The light sources (117a, 117b) and the light guide means (118a, 118b) are arranged inside the annular shape portion of the dial plate (111), and the light sources (117a, 117b) and the light guide means The portions of (118a, 118b) facing the light sources (117a, 117b) are in a vertical relationship on the lower side of the rotary shaft center side of the pointer (113) when viewed from the surface of the dial plate (111). A pointer instrument characterized by the arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006159975A JP4728881B2 (en) | 2006-06-08 | 2006-06-08 | Pointer instrument |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006159975A JP4728881B2 (en) | 2006-06-08 | 2006-06-08 | Pointer instrument |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2004298539A Division JP4191123B2 (en) | 2004-10-13 | 2004-10-13 | Pointer instrument |
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| JP2006300958A JP2006300958A (en) | 2006-11-02 |
| JP4728881B2 true JP4728881B2 (en) | 2011-07-20 |
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| JP2006159975A Expired - Fee Related JP4728881B2 (en) | 2006-06-08 | 2006-06-08 | Pointer instrument |
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| JP (1) | JP4728881B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9829355B2 (en) | 2012-11-15 | 2017-11-28 | Denso Corporation | Meter device which uses a central and peripheral light source |
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2006
- 2006-06-08 JP JP2006159975A patent/JP4728881B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9829355B2 (en) | 2012-11-15 | 2017-11-28 | Denso Corporation | Meter device which uses a central and peripheral light source |
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| Publication number | Publication date |
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| JP2006300958A (en) | 2006-11-02 |
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