FR2721707A1 - Needle and needle indicator. - Google Patents
Needle and needle indicator. Download PDFInfo
- Publication number
- FR2721707A1 FR2721707A1 FR9407798A FR9407798A FR2721707A1 FR 2721707 A1 FR2721707 A1 FR 2721707A1 FR 9407798 A FR9407798 A FR 9407798A FR 9407798 A FR9407798 A FR 9407798A FR 2721707 A1 FR2721707 A1 FR 2721707A1
- Authority
- FR
- France
- Prior art keywords
- index
- needle
- light
- dial
- indicator
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000009304 pastoral farming Methods 0.000 claims description 7
- 239000000049 pigment Substances 0.000 claims description 6
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/28—Structurally-combined illuminating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
- B60Q3/12—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting onto the surface to be illuminated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/10—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards
- B60Q3/14—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors for dashboards lighting through the surface to be illuminated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q3/00—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors
- B60Q3/60—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects
- B60Q3/62—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides
- B60Q3/64—Arrangement of lighting devices for vehicle interiors; Lighting devices specially adapted for vehicle interiors characterised by optical aspects using light guides for a single lighting device
-
- 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
- B60K2360/20—Optical features of instruments
- B60K2360/33—Illumination features
- B60K2360/336—Light guides
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Of Measuring Devices (AREA)
- Details Of Measuring And Other Instruments (AREA)
Abstract
L'indicateur comprend un cadran (3), un mouvement (2) à l'arrière du cadran (3), une aiguille (4), avec un index (5) à l'avant du cadran (3) et un pied d'entraînement (6) monté sur le mouvement (2), et une source lumineuse (9). L'aiguille (4) est agencée pour recevoir la lumière (12) de la source (9) et rendre l'index visible. Elle est en matériau diffusant. L'invention s'applique aux indicateurs de tableau de bord.The indicator comprises a dial (3), a movement (2) at the back of the dial (3), a hand (4), with an index (5) at the front of the dial (3) and a dowel foot. 'drive (6) mounted on the movement (2), and a light source (9). The needle (4) is arranged to receive the light (12) from the source (9) and make the index visible. It is made of diffusing material. The invention applies to dashboard indicators.
Description
II
Aiguille et indicateur a aiguille.Needle and needle indicator.
Le domaine de l'invention est celui des indicateurs à aiguille, comme on en trouve par exemple dans les tableaux de bord, en particulier les tableaux de bord des véhicules automobiles. Dans ces indicateurs, I'aiguille est en matériau transparent et son éclairage nocturne implique, outre une source de lumière, un conduit de lumière entre l'index de l'aiguille et la source, distinct ou non de l'aiguille (les pieds d'aiguille forment parfois ce conduit de lumière). Un conduit de lumière est un composant qui n'est jamais facile à réaliser. L'éclairage de l'index, pour le rendre homogène, n'est pas non plus facile à obtenir. Enfin, la puissance et l'implantation des sources lumineuses constituent aussi des The field of the invention is that of pointer indicators, as found for example in dashboards, especially dashboards of motor vehicles. In these indicators, the needle is made of transparent material and its night lighting involves, besides a source of light, a conduit of light between the index of the needle and the source, distinct or not from the needle (the feet of needle sometimes form this conduit of light). A light pipe is a component that is never easy to make. The lighting of the index, to make it homogeneous, is also not easy to obtain. Finally, the power and location of the light sources are also
contraintes dont la demanderesse a cherché à s'affranchir. constraints which the plaintiff sought to overcome.
La présente demande concerne tout d'abord une aiguille d'indicateur, avec un index et un pied d'entraînement, agencée pour recevoir la lumière d'une source et rendre l'index visible, caractérisée par le fait qu'au moins une couche de The present application relates first of all to an indicator needle, with an index and a driving foot, arranged to receive light from a source and to make the index visible, characterized in that at least one layer of
l'index est en matériau diffusant.the index is in diffusing material.
Il peut s'agir d'une couche externe, ou peau; il peut s'agir d'une couche interne; It may be an outer layer, or skin; it may be an inner layer;
de préférence, I'index est réalisé dans sa masse en matériau diffusant. preferably, the index is made in its mass of diffusing material.
Par matériau diffusant, au sens de la présente invention, on entend i) un matériau à surface mate, dépolie et, plus généralement, un matériau sur lequel une lumière incidente se réfléchit dans toutes les directions en une lumière diffuse ou, ii) un matériau dans lequel une lumière se propage dans toutes les For the purpose of the present invention, the term "diffusing material" is intended to mean: i) a matt, frosted surface material and, more generally, a material on which an incident light is reflected in all directions in a diffuse light or ii) a material in which a light propagates in all
directions ou, iii) un matériau doté de toutes les caractéristiques précédentes. directions or, iii) a material with all the above characteristics.
Comme matériau diffusant, on peut considérer le polycarbonate (PC), le polyméthacrylate de méthyle (PMMA), I'acrylo-butadiène-styrène (ABS), tous As diffusing material, polycarbonate (PC), polymethyl methacrylate (PMMA), acrylonitrile-butadiene-styrene (ABS), can be considered
chargés de pigments.loaded with pigments.
Sans conduit optique ni agencement structurel particulier, I'index de l'aiguille Without optical conduit or special structural arrangement, the needle index
de l'invention, sous éclairage diurne ou nocturne, apparait très homogène. of the invention, under day or night lighting, appears very homogeneous.
A cause de l'intégration des pigments (colorés), I'index apparaît coloré sans Due to the integration of pigments (colored), the index appears colored without
nécessité d'utiliser de source lumineuse colorée. need to use colored light source.
La présente demande concerne également un indicateur comprenant un cadran, un mouvement à l'arrière du cadran, une aiguille, avec un index à l'avant du cadran et un pied d'entrainement monté sur le mouvement, et une source lumineuse, indicateur caractérisé par le fait qu'il comporte une aiguille telle que caractérisée ci-dessus. Avantageusement, I'indicateur est agencé pour que l'index d'aiguille puisse être éclairé en lumière rasante, lui permettant de mieux encore se détacher du cadran. Dans ce cas, il est préférable qu'une pièce d'habillage soit agencée pour The present application also relates to an indicator comprising a dial, a movement at the back of the dial, a pointer, with an index at the front of the dial and a foot mounted on the movement, and a light source, indicator characterized in that it comprises a needle as characterized above. Advantageously, the indicator is arranged so that the needle index can be illuminated in grazing light, allowing it to further detach itself from the dial. In this case, it is preferable for a dressing part to be arranged to
réfléchir la lumière de la source sur l'index en lumière rasante. reflect the light of the source on the index in grazing light.
Il peut aussi être intéressant, dans le cas o la source est disposée à l'arrière du cadran, que le mouvement soit agencé pour réfléchir la lumière de la source It may also be interesting, in the case where the source is arranged at the back of the dial, that the movement is arranged to reflect the light of the source
sur l'index à travers une ouverture dans le cadran. on the index through an opening in the dial.
L'invention sera mieux comprise à l'aide de la description suivante faite en The invention will be better understood with the aid of the following description made in
référence au dessin annexé, sur lequel - la figure 1 est une vue en coupe simplifiée d'un indicateur de tableau de bord de l'invention, - la figure 2 est une vue en coupe de l'index de l'aiguille de l'indicateur de la figure 1, selon la ligne 11-11 et - la figure 3 est une vue analogue à celle de la figure 1 d'une variante de 1 is a simplified sectional view of a dashboard indicator of the invention; FIG. 2 is a sectional view of the index of the needle of the invention; FIG. 1, along the line 11-11 and FIG. 3 is a view similar to that of FIG. 1 of a variant of FIG.
réalisation de l'indicateur de l'invention. realization of the indicator of the invention.
L'indicateur de la figure 1 est un indicateur de tableau de bord de véhicule The indicator of Figure 1 is a vehicle dashboard indicator
automobile qui comporte une pièce d'habillage, dite rehaut, 1. L'indicateur lui- car, which includes a piece of clothing, called a flange, 1. The indicator itself
méme comprend un mouvement 2 sensible à l'information à indiquer, ici un moteur rotatif, en avant du mouvement 2, un cadran 3, en fait une face avant sur laquelle est rapportée une sérigraphie, en avant du cadran 3, un index 5 d'une aiguille 4 comprenant aussi un pied d'entraînement 6 supportant l'index 5 et monté sur l'arbre de sortie 7 du mouvement 2, le pied 6 s'étendant à travers The same comprises a movement 2 sensitive to the information to be indicated, here a rotary motor, in front of the movement 2, a dial 3, in fact a front face on which is reported a screen printing, in front of the dial 3, a 5 d index a needle 4 also comprising a drive foot 6 supporting the index finger 5 and mounted on the output shaft 7 of the movement 2, the foot 6 extending through
3 27217073 2721707
une ouverture de passage 8 ménagée dans le cadran 3. Le tableau de bord comporte, à l'arrière du cadran 3, deux sources lumineuses 9, 10 qui, de nuit, sont disposées pour éclairer l'index 5, d'une part, en lumière rasante ou quasirasante 12 par réflexion sur la face interne 11 du rehaut 1 et, d'autre part, en lumière oblique et perpendiculaire 13 par réflexion sur une surface 14 ménagée à cet effet sur le mouvement 2 et traversée de l'ouverture 8 du a passage opening 8 formed in the dial 3. The dashboard has, at the rear of the dial 3, two light sources 9, 10 which, at night, are arranged to illuminate the index finger 5, on the one hand, in grazing or quasi-reflecting light 12 by reflection on the inner face 11 of the flange 1 and, on the other hand, in oblique and perpendicular light 13 by reflection on a surface 14 provided for this purpose on the movement 2 and through the opening 8 of
cadran 3.dial 3.
L'aiguille 4, incluant donc ici son index 5 et son pied 6, est en un matériau o10 diffusant constituant toute sa masse (PC, PMMA ou ABS, par exemple, mélaraé d: pigments colorés). Grâce à la diffusion par l'index 5 de la lumière ambiante, de jour, ou de celle des sources 9, 10, de nuit, cet index 5 apparaît The needle 4, thus including here its index finger 5 and its foot 6, is a diffusing material o10 constituting all its mass (PC, PMMA or ABS, for example, melaraé d: colored pigments). Thanks to the diffusion by the index 5 of the ambient light, day, or that of the sources 9, 10, night, this index 5 appears
parfaitement homogène et coloré.perfectly homogeneous and colorful.
Le matériau constituant de l'index 5 a par ailleurs une bonne capacité de conduction de la lumière si bien que la lumière pénétrant dans l'index 5 et en sortant participe également à la bonne luminosité de l'index. Celle-ci, dans cette forme de réalisation, est également accrue par la gorge 15 en V formée sur le côté de l'index, tourné vers le cadran 3 et ménageant donc ici deux surfaces de réflexion 16, 17 (une seule conviendrait déjà) pour la lumière rasante parallèle au cadran 3 pénétrant dans la masse de l'index et la réfléchissant pour la faire sortir du côté opposé visible 18 tourné vers The constituent material of the index 5 also has a good light conduction capacity so that the light penetrating the index 5 and leaving also contributes to the good brightness of the index finger. This, in this embodiment, is also increased by the V-shaped groove 15 formed on the side of the index finger, turned towards the dial 3 and thus providing here two reflection surfaces 16, 17 (only one would already be suitable) for the grazing light parallel to the dial 3 penetrating the mass of the index finger and reflecting it to make it leave the opposite side visible 18 turned towards
l'observateur, en l'occurence le conducteur. the observer, in this case the driver.
L'indicateur de la figure 3, sur laquelle les références de la figure 1 ont été reportées pour désigner les mêmes éléments, ne se distingue de celui de la figure 1 que par l'anneau transparent 20 à section triangulaire disposé en périphérie du cadran 3, pour mieux drainer la lumière des sources 9, 10 vers l'index 5 et augmenter ainsi la puissance de l'éclairage rasant et donc la luminosité de l'index 5. L'anneau 20 pourrait être coloré. On notera qu'il s'agit d'un simple élément de renvoi de lumière et non d'un conduit optique au sens The indicator of FIG. 3, on which the references of FIG. 1 have been plotted to designate the same elements, is distinguished from that of FIG. 1 only by the transparent ring 20 with triangular section disposed on the periphery of the dial 3 , to better drain the light sources 9, 10 to the index 5 and thus increase the power of the grazing light and thus the brightness of the index 5. The ring 20 could be colored. Note that this is a simple light return element and not an optical conduit in the sense
généralement entendu.usually heard.
Claims (11)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9407798A FR2721707B1 (en) | 1994-06-24 | 1994-06-24 | Needle and needle indicator. |
| DE19520460A DE19520460A1 (en) | 1994-06-24 | 1995-06-03 | Instrument display needle |
| IT95MI001356A IT1275775B1 (en) | 1994-06-24 | 1995-06-23 | NEEDLE AND NEEDLE INDICATOR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9407798A FR2721707B1 (en) | 1994-06-24 | 1994-06-24 | Needle and needle indicator. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2721707A1 true FR2721707A1 (en) | 1995-12-29 |
| FR2721707B1 FR2721707B1 (en) | 1996-08-23 |
Family
ID=9464629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9407798A Expired - Fee Related FR2721707B1 (en) | 1994-06-24 | 1994-06-24 | Needle and needle indicator. |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE19520460A1 (en) |
| FR (1) | FR2721707B1 (en) |
| IT (1) | IT1275775B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013001329A1 (en) | 2013-01-26 | 2014-07-31 | Audi Ag | Display device for motor vehicle, particularly passenger car, has pointer lug which surrounds partial area of display element under formation of circumferentially closed structure of pointer lug |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2336458A (en) * | 1998-04-14 | 1999-10-20 | Ford Motor Co | Electronic device with display and receptacle for a removable information storage medium |
| DE19938336A1 (en) * | 1999-08-13 | 2001-03-15 | Trw Automotive Electron & Comp | Measurement works for a dial-type indicator instrument, especially for use in vehicle type dashboard displays, has a light source for the illuminating needle mounted within the works housing to conserve space and simplify design |
| US6415672B1 (en) * | 2000-11-09 | 2002-07-09 | Michael G. Hamilton | Industrial diagnostic gauges for reading in no light and low light conditions and methods of reading same |
| US6516678B2 (en) | 2000-11-09 | 2003-02-11 | Michael G. Hamilton | Industrial diagnostic gauge indicator insert and industrial diagnostic gauges having same |
| US6446518B1 (en) | 2000-11-09 | 2002-09-10 | Michael G. Hamilton | Industrial diagnostic gauges for reading in no light and low light conditions and methods of reading and manufacturing same |
| EP1319553B1 (en) | 2001-12-14 | 2017-02-08 | Visteon Global Technologies, Inc. | Vehicle instrument |
| DE102013000821A1 (en) | 2013-01-18 | 2014-07-24 | Audi Ag | Display device for motor vehicle, has light guide for guiding light radiated from light source or light source, which is spaced from and partially arranged in longitudinal direction of pointer flag opposite to end of pointer flag |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0295165A1 (en) * | 1987-05-25 | 1988-12-14 | Jaeger | Illuminated pointer, in particular for vehicle dashboards |
| EP0301439A2 (en) * | 1987-07-31 | 1989-02-01 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Meter device for vehicle |
| US4807090A (en) * | 1986-12-08 | 1989-02-21 | Stewart Warner Corporation | Instrument illumination system |
| EP0327668A2 (en) * | 1988-02-11 | 1989-08-16 | VDO Adolf Schindling AG | Indicating instrument |
| DE4310605A1 (en) * | 1992-03-31 | 1993-10-07 | Yazaki Corp | Motor vehicle display device e.g. for speedometer - has character plate with transparent region, needle plate element with needle slot in opaque plate, and back lighting source |
-
1994
- 1994-06-24 FR FR9407798A patent/FR2721707B1/en not_active Expired - Fee Related
-
1995
- 1995-06-03 DE DE19520460A patent/DE19520460A1/en not_active Withdrawn
- 1995-06-23 IT IT95MI001356A patent/IT1275775B1/en active IP Right Grant
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4807090A (en) * | 1986-12-08 | 1989-02-21 | Stewart Warner Corporation | Instrument illumination system |
| EP0295165A1 (en) * | 1987-05-25 | 1988-12-14 | Jaeger | Illuminated pointer, in particular for vehicle dashboards |
| EP0301439A2 (en) * | 1987-07-31 | 1989-02-01 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Meter device for vehicle |
| EP0327668A2 (en) * | 1988-02-11 | 1989-08-16 | VDO Adolf Schindling AG | Indicating instrument |
| DE4310605A1 (en) * | 1992-03-31 | 1993-10-07 | Yazaki Corp | Motor vehicle display device e.g. for speedometer - has character plate with transparent region, needle plate element with needle slot in opaque plate, and back lighting source |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013001329A1 (en) | 2013-01-26 | 2014-07-31 | Audi Ag | Display device for motor vehicle, particularly passenger car, has pointer lug which surrounds partial area of display element under formation of circumferentially closed structure of pointer lug |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2721707B1 (en) | 1996-08-23 |
| DE19520460A1 (en) | 1996-01-04 |
| ITMI951356A1 (en) | 1996-12-23 |
| IT1275775B1 (en) | 1997-10-17 |
| ITMI951356A0 (en) | 1995-06-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |