JP2009047560A - Measuring instrument device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a measuring instrument device giving a novel three-dimensional effect to a display panel. <P>SOLUTION: This measuring instrument device includes an indicator 40, the display panel 50 disposed behind the indicator 40, and a frame body 80 disposed behind the display panel 50 and comprising a cover part 85 extending along the display panel 50. The display panel 50 has a transmission part 53 for causing at least a part of the cover part 85 to be see-through. A domain of the cover part 85 corresponding to the transmission part 53 has a decorative pattern forming means 90 for allowing an observer to visually recognize a prescribed decorative pattern D through the transmission part 53. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to an instrument device mounted on various vehicles such as motorcycles and automobiles.

  Conventionally, as this kind of instrument device, for example, one described in Patent Document 1 below is known. The instrument device described in Patent Document 1 includes a pointer that rotates about an axis by a rotation shaft of a driving device, a display panel that is arranged behind the pointer and has a display unit such as numerals and scales indicated by the pointer, A case body (frame body) is provided which is disposed behind the display panel so as to have a display portion and a predetermined space, and has a cover portion made of a dish-shaped annular wall extending along the display panel.

  In this case, the display panel is formed by partially removing the background portion so that at least a part of the display portion, the background portion that forms the background of the display portion, and the cover portion of the case body can be seen through. The transmissive portion is formed by a blank printed portion of the background portion of the display panel. Then, for example, when the transmission part is formed in a strip shape having a substantially arc shape, and a scale of the display unit is provided in the band-like transmission part, the cover part region corresponding to the transmission part on the back side of the scale is transparent. A possible configuration.

Further, the cover portion of the case body is formed of a dish-shaped annular wall that is close to the display panel as it moves away from the rotation axis of the driving device, and is formed so as to cover the back side of the display panel through the space portion. It becomes. For this reason, when the display panel (instrument device) is viewed from the front, in the above-described cover area, the side where the distance from the transmission part to the cover part is large (the side close to the rotation axis) is weak and dark on the surface of the cover part. On the other hand, the side where the distance from the transmission part to the cover part is small (the side close to the display panel) is visually recognized as the color of the surface of the cover part becomes strong and bright, so that the cover part (that is, the cover part) Area) is visually recognized with brightness and darkness, whereby the display panel (scale of the display unit) is visually recognized with a sense of depth.
JP 2002-357461 A

In the case of the above-described conventional instrument device, the display panel is provided with a scale that is an indicator of the display unit and a band-shaped transmission part that surrounds the scale, and the transmission part and the cover part of the case body located behind the transmission part (the cover part described above When the display panel is viewed directly in this state, the display panel (the scale of the display unit) is visually recognized with a three-dimensional effect (depth feeling). is there. However, even though the display panel can have a three-dimensional effect in this way, the three-dimensional effect has to be simple because the cover part is merely the background part of the display part (scale). And lack of novelty.
In view of the above-described problems, an object of the present invention is to provide an instrument device capable of giving a display panel a novel three-dimensional effect.

  The present invention includes a pointer, a display panel disposed behind the pointer, and a frame having a cover disposed behind the display panel and extending along the display panel. In an instrument device comprising a transmission part that allows at least part of a cover part to be seen through, an observer can visually recognize a predetermined decorative pattern through the transmission part in the cover part region corresponding to the transmission part. Such decorative pattern forming means is provided.

  Further, the present invention is characterized in that a display unit corresponding to the operation of the pointer is provided in the transmission unit.

  In the invention, it is preferable that the decorative pattern forming means is a concavo-convex portion provided on the surface of the covering portion so that a cross-sectional shape thereof is substantially a sawtooth shape.

  ADVANTAGE OF THE INVENTION According to this invention, the instrument which can achieve an initial objective and can give a novel three-dimensional effect to a display panel can be provided.

  1 and 2 show an embodiment of the present invention, and the case where the embodiment of the present invention is applied to an instrument device comprising a speedometer mounted on a vehicle such as an automobile will be described below based on these embodiments. . 1 is a front view of an instrument device according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line AA of FIG.

  1 and 2, the meter device M according to the present embodiment is driven to rotate by the circuit board 10, a driving device 30 that is conductively attached to the circuit board 10 and has the rotating shaft 20 extending forward, and the rotating shaft 20. A pointer 40, a display panel 50 positioned behind the pointer 40 and disposed on the circuit board 10, a pointer light source 60 that illuminates the pointer 40, a display light source 70 that illuminates the display panel 50, and a circuit The frame body (case body) 80 is arranged between the substrate 10 and the display panel 50.

  The circuit board 10 is made of a hard circuit board in which a wiring pattern (not shown) is provided on a glass epoxy base material, for example, and performs driving and control of the pointer light source 60, the display light source 70, and the driving device 30. Means (not shown) and various circuit components (not shown) such as resistors and capacitors are conductively connected to the wiring pattern.

  The driving device 30 is composed of a movable magnet type instrument or a stepping motor, and its main part is mounted behind the circuit board 10 so that the rotating shaft 20 penetrates the circuit board 10 and is appropriately connected by means such as soldering. It is electrically connected to the wiring pattern (the driving means).

  The pointer 40 is made of a light-transmitting synthetic resin, and includes an instruction portion 41 that extends linearly so as to indicate a display portion to be described later of the display panel 50, and a light-shielding synthetic resin that covers the outer periphery of the rotation center portion of the instruction portion 41. The pointer cap 42 is provided. In addition, a light receiving portion 43 that receives light emitted from the pointer light source 60 disposed behind and reflects and guides the light to the distal end side of the indicating portion 41 is formed at the rotation center portion of the indicating portion 41. Become.

  The display panel 5 has an arcuate arrangement along the rotation trajectory of the pointer 40 and a display unit 51 including a speed numeral 51 a and a speed scale 51 b provided corresponding to the rotation trajectory (operation) of the pointer 40, And a background portion 52 that forms the background of the speed numeral 51a of the display portion 51. 53 is formed in a band shape so as to surround the entire speed scale 51b outside the speed numeral 51a, and the background portion 52 is formed by being cut out corresponding to the shape of a decorative pattern forming means described later provided in the frame body 80. This is a transmission part.

  In addition, each speed scale 51b provided corresponding to each speed figure 51a outside each speed figure 51a is a rod-like shape extending toward the center of the entire speed scale 51b in the speedometer (in other words, the center of rotation of the pointer 40). It consists of a shape.

  The display unit 51 and the background unit 52 are formed of a printed layer formed on the front surface of a thin plate-like base material 54 made of a translucent synthetic resin, and the display unit 51 is formed of a blue translucent ink. The background portion 52 is formed of black light-shielding ink. Each print layer of the index part 51 and the background part 52 is formed by printing using means such as screen printing.

  The transmissive portion 53 is formed by removing the light-shielding ink that forms the background portion 52 in correspondence with the shape of the decorative pattern forming means, so that the background portion 52 is not formed. The base material 54 is partially exposed, so that the observer can see through the decorative pattern forming means (a cover portion to be described later of the frame body 80) located behind the speed scale 51b through the transmission portion 53. Yes. In this case, the positional relationship between the transmission part 53 and the speed scale 51 b is a configuration in which the speed scale 51 b is provided in the transmission part 53. In addition, 55 is a penetration part corresponding to the connection location of the rotating shaft 20 and the pointer 40.

  The pointer light source 60 is formed of, for example, a chip-type light emitting diode that emits red light, and a plurality of pointer light sources 60 are arranged on the front side of the circuit board 10 corresponding to the rotation center portion of the pointer 40.

  The display light source 70 is formed of, for example, a chip-type light emitting diode that emits red light, and a plurality of display light sources 70 are arranged on the front side of the circuit board 10 corresponding to a first reflecting portion described later of the frame body 80.

  The frame body 80 is made of a white synthetic resin, and is located between the circuit board 10 and the display panel 50 and stores a function as a holding body for holding the display panel 50, the pointer light source 60 and the display light source 70. It has a function as a housing, a function as a reflector that reflects the illumination light emitted from the pointer light source 60 and the display light source 70 to the front side, and the like.

  The frame body 80 surrounds the tubular portion 82 and a tubular portion 82 having an opening 81 corresponding to the penetrating portion 55 of the display panel 50 and guiding illumination light from the pointer light source 60 to the light receiving portion 43 of the pointer 40. Thus, the display panel 50 is inclined toward the display panel 50 side and faces the display light source 70, the open portion 84 that houses the display light source 70, and the display panel 50 from the open portion 84 toward the outer periphery. The cover part (2nd reflection part) 85 which consists of a plate-shaped annular wall close | similar to, and the surrounding wall part 86 surrounding the outer periphery of this cover part 85 are provided.

  Here, the cover portion 85 has a curved shape that is centered on the rotation shaft 20 (the rotation center portion of the pointer 40) and approaches the display panel 50 as the distance from the rotation shaft 20 increases, and the back side of the display panel 50 is interposed via the space portion S. It is formed so as to cover. And the surface part of the cover part 85 corresponding to the transmission part 53 can be seen through from the observer side through the transmission part 53 through the space part S. At this time, the observer can visually recognize the surface portion (white resin surface portion) of the cover portion 85 corresponding to the transmission portion 53 as the background portion of the blue speed scale 51b.

  By the way, a characteristic point of the present invention is that a speed scale as shown in FIG. 1, for example, is shown by an observer through the transmission portion 53 on the surface portion of the cover portion 85 (in other words, the cover portion 85 region corresponding to the transmission portion 53). The decorative pattern forming means 90 is provided so that the substantially concentric striped pattern (predetermined decorative pattern) D forming the background of 51b can be visually recognized.

  For example, the decorative pattern forming means 90 is provided on the surface portion of the cover portion 85 corresponding to the transmission portion 53 so that the cross-sectional shape thereof is substantially a sawtooth shape. Specifically, at the surface side portion of the cover portion 85 corresponding to the transmission portion 53, there are a plurality of protrusion portions 91 protruding in a substantially sawtooth shape on the space portion S side and a recess portion 92 positioned between the adjacent protrusion portions 91. The sawtooth portion (uneven portion) 93 is formed as the decorative pattern forming means 90.

  In the present embodiment, the line connecting the apex of the protruding portion 91 and the recessed portion 92 portion located directly below the apex portion of the protruding portion 91 is substantially parallel to the axis of the rotating shaft 20. Shall. Then, when the frame body 80 alone is viewed from the front, the sawtooth portion 93 appears as a substantially concentric arc-shaped striped pattern D centering on the axis of the rotating shaft 20.

  The instrument unit M is configured by the above-described units. According to such an embodiment, the cover 85 has a curved shape that is close to the display panel 50 as the distance from the rotation axis 20 is the center, and is formed so as to cover the back side of the display panel 50 via the space S. Being done. For this reason, when the display panel 50 (instrument device M) is viewed from the front, the side where the distance from the transmission part 53 to the cover part 85 is large (the side close to the rotary shaft 20) is dark on the surface of the cover part 85. The speed scale 51b is provided by visually recognizing the side where the distance from the transmission part 53 to the cover part 85 is small (the side close to the display panel 50) as the color of the surface of the cover part 85 becomes strong and bright. The cover portion 85 area corresponding to the transmission portion 53 is visually recognized with brightness and darkness, whereby the display panel 50 is visually recognized with a sense of depth.

  Further, in the case of this embodiment, a sawtooth portion 93 is provided in the cover 85 region corresponding to the belt-like transmission portion 53 so that the observer can visually recognize the stripe pattern D that forms the background of the speed scale 51b through the transmission portion 53. The decorative pattern forming means 90 is provided. Therefore, the cover 85 region corresponding to the transmission portion 53 is not a simple surface as in the prior art, and the cover 85 region is provided as a sawtooth portion 93 having a substantially sawtooth cross section as in the present embodiment. The depth feeling of the display panel 50 is visually recognized from the viewer side so as to have a depth feeling emphasized by the striped pattern D associated with the formation of the sawtooth portion 93, whereby the display panel 50 has a novel and interesting depth feeling ( (Three-dimensional effect) can be given.

  As described above, in the present embodiment, the pointer 80, the display panel 50 disposed behind the pointer 40, and the frame 80 having the cover portion 85 disposed behind the display panel 50 and extending along the display panel 50. And the display panel 50 includes a transmission part 53 that allows the cover part 85 to be seen through. In the cover unit 85 area corresponding to the transmission part 53, the observer has a striped pattern through the transmission part 53. The decorative pattern forming means 90 is provided so that D can be visually recognized. Further, a speed scale 51b corresponding to the operation of the pointer 40 is provided in the transmission part 53, and the decorative pattern forming means 90 is provided on the surface of the cover part 85 so that the cross-sectional shape thereof is substantially a sawtooth shape. It consists of a sawtooth portion 93. Therefore, the sense of depth of the display panel 50 is visually recognized from the viewer side so as to have a sense of depth emphasized by the stripe pattern D, and thus it is possible to give the display panel 50 a sense of depth that is novel and interesting. Become.

  In the present embodiment, an example is described in which the speed scale 51b is provided outside the speed number 51a, and the band-shaped transmission part 53 is provided so as to surround the entire speed scale 51b. Are partially surrounded by each speed scale 51b (specifically, a part of the speed scale 51b is positioned at the transmission part 53 so that the speed scale 51b straddles the background part 52 and the transmission part 53, and the speed scale 51b). The remaining portion of the image is located in the background portion 52). Furthermore, the transmission part 53 may be configured to surround not the entire speed scale 51b but the entire speed numeral 51a, or a structure that surrounds both the speed numeral 51a and the speed scale 51b.

  In the present embodiment, an example in which the speed scale 51b is provided in the transmission part 53 has been described. However, for example, the speed scale 51b is not provided in the transmission part 53, and the outer periphery of the display unit 51 (speed scale 51b) is provided. Even when the band-shaped transmission part 53 is provided so as to surround the same, the same effect as that of the present embodiment can be obtained.

  In the present embodiment, an example in which the sawtooth portion 93 includes a plurality of protruding portions 91 formed on the surface of the cover portion 85 and the recess portion 92 has been described. However, the shape of the sawtooth portion 93 is transmitted by an observer. Any shape can be adopted as long as the stripe pattern D can be visually recognized through the portion 53. For example, the cross-sectional shape of each protrusion 91 may be a curved surface shape having a substantially saddle shape instead of a substantially sawtooth shape. .

  Further, in the present embodiment, the decorative pattern forming means 90 includes a sawtooth portion 93 including a protruding portion 91 and a hollow portion 92 provided in the cover 85 region corresponding to the band-shaped transmission portion 53, and the sawtooth portion 93. Although the case where the observer visually recognizes the stripe pattern D through the transmission part 53 has been described, the shape of the decorative pattern forming unit 90 is such that the observer can visually recognize the predetermined decoration pattern through the transmission part 53. If it is, it is possible to employ | adopt all shapes other than the sawtooth part 93, For example, although detailed illustration is abbreviate | omitted, in the cover part 85 area | region corresponding to the strip | belt-shaped transmission part 53, it is in the longitudinal direction of the transmission part 53. A plurality of three-dimensional shapes formed of quadrangular pyramid-shaped protrusions as the decorative pattern forming means 90 are provided so as to be along, and a pattern pattern accompanying the three-dimensional shape of the four-sided pyramids is provided as a decorative pattern to the observer through the transmission portion 53. May be configured such as to visually recognize Te.

  Further, in the present embodiment, the example in which the cover portion 85 of the case body 80 gradually approaches the display panel 50 toward the peripheral wall portion 86 side has been described, but the cover portion 85 that forms the space portion S is displayed. You may make it keep the space | interval with the panel 50 (transmissive part 53) constant. Furthermore, the cover portion 85 region (the region where the decorative pattern forming means 90 is formed) corresponding to the transmission portion 53 is not limited to a curved shape as in the present embodiment, and may be an inclined surface shape having a predetermined inclination angle, for example. .

  When the display light source 70 that emits red light is turned on, the light from the display light source 70 is directed toward the outer periphery through the first reflecting portion 83 positioned directly above the display light source 70. The reflected light is reflected radially and reflected to the display panel 50 side through the cover (second reflecting portion) 85, and transmissively illuminates the display portion 51 and the transmitting portion 53. Then, the display unit 51 (the speed number 51a and the speed scale 51b) is displayed with light emission in a mixed color of blue and red, and the 53 transmission parts excluding the speed scale 51b are red stripes as the sawtooth part 93 is formed. Since the light is displayed in the pattern D, even when the display light source 70 is turned on, the display panel 50 can have a novel and interesting depth feeling.

It is a front view of the instrument apparatus by embodiment of this invention. It is AA sectional drawing of FIG.

Explanation of symbols

40 Pointer 50 Display Panel 51 Display 51a Speed Number 51b Speed Scale 52 Background 53 Transmitter 70 Display Light Source 80 Frame 85 Cover (Second Reflector)
90 Decorative pattern forming means 91 Protruding part (convex part)
92 Indentation (concave part)
93 Serrated part (concave / convex part)
D Decorative pattern (striped pattern)
S space

Claims (3)

A pointer, a display panel disposed behind the pointer, and a frame having a cover disposed behind the display panel and extending along the display panel,
In the instrument device comprising a transmission part that allows the display panel to see through at least a part of the cover part,
The instrument device according to claim 1, wherein a decoration pattern forming means is provided in the cover area corresponding to the transmission part so that an observer can visually recognize a predetermined decoration pattern through the transmission part. The instrument device according to claim 1, wherein a display unit corresponding to the operation of the pointer is provided in the transmission unit. The instrument device according to claim 1, wherein the decorative pattern forming means is a concavo-convex portion provided on a surface of the cover portion so that a cross-sectional shape thereof is substantially a sawtooth shape.

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