JP5069910B2 - Vehicle display device - Google Patents

Description

  The present invention relates to a display device for a vehicle, and more particularly, to a display device for a vehicle that displays a state of a vehicle in cooperation with a pointer provided on the front surface of a dial and a three-dimensional index.

  As shown in FIGS. 9 and 10, the vehicle generally has a plurality of (four in FIG. 9) vehicle display devices 100 that display measured values such as vehicle speed, engine speed, fuel remaining amount, and temperature. A combination meter 1 is mounted. The combination meter 1 accommodates a plurality of vehicle display devices 100, a warning 102, a shift indicator 103, and a facing 104 that covers an edge of the vehicle display device 100 in a case 105 and covers it with a front glass 106. In this way, the pointer 112 and the like of the vehicle display device 100 are protected. The combination meter 1 is attached to the vehicle by a plurality of attachment portions 7 provided on the case 105.

  The vehicular display device 100 includes a dial plate 111 on the surface of which a scale 111 and an index 111a such as numerals, characters, or symbols are provided, a pointer 112 disposed on the front surface of the dial plate 111, and a pointer 112 according to a measurement amount. An internal unit 113 for driving the circuit board, a wiring board 114 provided with a circuit pattern and to which the internal unit 113 is fixed, a plurality of light sources 115 provided on the wiring board 114, and the case 105 toward the wiring board 114. A reflection surface 116 that reflects light from the light source 115 and a back cover 117 are provided. Then, by guiding the light from the light source 115 to the dial plate 111 and the pointer 112, the indicator 111a of the dial plate 111 and the instruction unit 112a of the pointer 112 are caused to emit light.

Moreover, the meter apparatus shown to patent document 1 is known as a display apparatus for vehicles using the decoration ring member which improves the appearance as a product.
JP 2006-258682 A

  In the meter device mounted on the vehicle, differentiation is made for each vehicle type (vehicles with different price ranges), and it is necessary to distinguish between them by display design, novelty, and the like. However, with the conventional general meter structure as described above, only a certain novelty can be obtained, and it has been difficult to provide a display with an impact on the user.

  Therefore, in view of the above-described problems, an object of the present invention is to provide a vehicular display device that provides a user with an impact display mode.

In order to solve the above-mentioned problems, the vehicle display device according to claim 1, wherein the light emission indicator portion attached in a circular arc shape to the dial and the pointer provided in front of the dial are cooperated. A vehicle display device for displaying a state of a vehicle, wherein a light guide ring-shaped cover member provided in front of the dial corresponding to the light emission indicator portion , and a cover for emitting light guided into the cover member A light source, a cover main body having a light receiving portion that receives light from the light source for the cover, a contour light emitting portion that emits and displays an outline of the light emission indicator portion , and the contour light emitting portion. and visible when and the light emitting indicator unit is formed in any surface emits light in the cover body so as to form, have a, a colored translucent portions to prevent viewing when not emit light, the cover body Are the flat plate part and the flat part. A pair of legs integrally formed on the flat plate portion so as to stand from the edge of the portion toward the dial, and the light emitting indicator portion is disposed between the pair of legs, The contour light emitting portion is an edge portion where the leg portion is formed in the flat plate portion of the cover body .

According to the vehicle display apparatus of the present invention described in the first aspect, the colored translucent portion formed on any surface of the cover member covering the light emitting indicator unit, forming a contour emitting portion by said colored translucent portions Since it was made to do, an outline light emission part can be light-emitted by guiding light in a cover member. And when the light emission index | exponent part is not light-emitting, the visual recognition from a user can be blocked | prevented by a cover member, and a colored translucent part is visually recognized. Further, when the light emission indicator portion emits light, the user can visually recognize the light emission indicator portion through the cover member. That is, only the portion where the cover member is provided can be partially black-faced.

The invention of claim 2 wherein has been made in order to solve the above problems is directed to the vehicle display apparatus according to claim 1, so as to shift the emission start timing of the light emitting indicators section and the contour emitting portion, the light emitting characterized in that it has a control means for controlling the driving of the indicators part and the contour emitting portion.

  According to the vehicle display device of the present invention described in claim 2, the driving of the light emission indicator portion and the contour light emission portion is controlled by the control means so that the light emission start timing is shifted.

  In order to solve the above-mentioned problem, the invention according to claim 3 is the vehicle display device according to claim 1 or 2, wherein the cover member is always visible from the front side of the dial. It has a decorative member provided in front of the different dial.

  According to the vehicle display device of the present invention described in claim 3, the decorative member that is always visible from the front side of the dial is provided in front of the dial different from the cover member. The decorative member can be fused.

According to the vehicle display apparatus of the present invention as set forth in claim 1, as described above, the colored translucent portion formed on any surface of the cover member covering the light emitting indicator unit, contour by colored translucent portions Since the light emitting portion is formed, the contour light emitting portion can emit light by guiding light into the cover member. And when the light emission parameter | index part is not light-emitting, the visual recognition from a user can be blocked | prevented by the colored translucent part of a cover member. Further, when the light emission indicator portion emits light, the user can visually recognize the light emission indicator portion through the cover member. Accordingly, only the portion where the cover member is provided can be made into a black face, and the portion of the cover member can be three-dimensionalized, so that a display having an impact on the user can be provided.

  According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, the light emission indicator portion and the contour light emission portion are driven so that the light emission start timing is shifted. Since the display of the contour light emitting unit can be started in a stepwise manner, it is possible to provide a display with more impact by the user.

  According to the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, a decorative member that is always visible from the front side of the dial is provided in front of the dial different from the cover member. Since it did in this way, since a black face and a decoration member can be united, a display with a more impact can be brought about by a user.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment in which a vehicle display device according to the present invention is applied to a combination meter will be described with reference to the drawings of FIGS.

  In FIG. 1, a combination meter 1 includes a plurality of (three in FIG. 1) vehicle display devices 10 such as a speedometer 10A, a tachometer 10B, and a fuel meter 10C, an integrating meter (trip meter) 20A, and a fuel consumption meter 20B. Etc., and a plurality of second display devices 20.

  As shown in FIGS. 1 to 5, the combination meter 1 has a plurality of mounting portions (not shown) provided in the case 2 in a state in which they are accommodated in the case 2 and covered with a translucent front glass 3. Attached to the vehicle. The front side of the case 2 is covered with a turn 4 such as black, and the back side thereof is covered with a back cover 5.

  In this best mode, since the basic configuration of the vehicle display device 10 corresponding to each of the speedometer 10A, the tachometer 10B, and the fuel meter 10C is the same, the following is a vehicle display corresponding to the speedometer 10A. Description will be made by paying attention to the apparatus 10.

  As shown in FIG. 1 to FIG. 5, the vehicle display device 10 includes a dial plate 11 having a surface (a surface visually recognized by a user) provided with a light emitting indicator portion 11 a such as scales, numerals, characters or symbols, A pointer 12 disposed on the front surface of the dial plate 11, an internal unit 13 for driving the pointer 12 according to the measurement amount, a wiring board 14 on which a circuit pattern is provided and the internal unit 13 is fixed, and a wiring plate 14 A plurality of light sources 15, a tapered portion 16, a light guide cover member 17, a cover light source 18, a decoration member 19, and a control unit 30.

  As shown in FIG. 5, the dial plate 11 is formed in a single flat plate shape in which a speedometer 10 </ b> A, a tachometer 10 </ b> B, a fuel gauge 10 </ b> C, and the like are integrated with a light-transmitting synthetic resin or the like. The dial plate 11 is provided with a black or the like light shielding layer 11b on the surface thereof, and the light emission indicator portion 11a is formed by removing the scale, numbers, symbols, and the like corresponding to the speedometer 10A of the light shielding layer 11b. Is formed. And the light emission parameter | index part 11a is arrange | positioned at the substantially circular arc shape so that it may correspond to the rotation tolerance | permissible_range as the speedometer 10A along the outer periphery.

  As described above, the dial plate 11 is configured such that the light emission indicator portion 11a can transmit light from behind to the front (user side). In other words, the light emission indicator portion 11a allows the user to visually recognize each shape by transmitting light.

  As shown in FIG. 2, the pointer 12 includes a light guide pointer main body 12 c composed of an instruction portion 12 a and a base portion 12 b, and a pointer cap 12 d made of an opaque synthetic resin material such as black covering the base portion 12 b. Have.

  The pointer main body 12c is fixed to the output shaft 13a of the internal unit 13 such as a well-known stepper motor or cross coil movement via the pointer rod 12e, and thus rotates to a position corresponding to the measurement amount by the output shaft 13a. Is done. The pointer main body 12c is formed of a transparent acrylic resin or the like, and a colored layer 12f is provided on the bottom surface (the surface facing the dial plate 11) of the instruction portion 12a. Then, the light from the pointer light source 15a is guided through the inside of the instruction unit 12a, thereby causing the colored layer 12f to shine and causing the instruction unit 12a to emit light.

  The wiring board 14 is provided with a plurality of light sources 15 and a cover light source 18 on the surface side facing the dial plate 13, and on the back side, the internal unit 13 is provided with the output shaft 13 a protruding from the surface side. It has been. The circuit board 14 is provided with a circuit pattern for electrically connecting the control unit 30 shown in FIG. 6 to the internal unit 13, each light source 15, and the cover light source 18. 15. The light source for cover 18 can be controlled to be turned on and off. The wiring board 14 is attached to the case 2 and covered with the back cover 5.

  As the light source 15, an LED, a bulb, or the like is used, and lighting and extinguishing are controlled by the controller 30. The light source 15 includes a pointer light source 15a that shines the instruction portion 12a of the pointer 12, and an indicator light source 15b that shines the light emission indicator portion 11a. In the best mode, a case where the pointer light source 15a and the indicator light source 15b are assumed to have the same emission color will be described. However, a configuration in which the light sources 15 having different emission colors are combined depending on the display mode. It can also be.

  The tapered portion 16 is formed integrally with the case 2 so as to have a tapered shape that spreads forward from the wiring board 14, and the tapered surface reflects the light emitted from the light source 15 b toward the dial 11.

  The cover member 17 is fixed to the case 2 via the dial plate 11, and is provided in front of the dial plate 11 so as to cover the light emission indicator portion 11a. The cover member 17 is formed in a substantially ring shape corresponding to the light emission indicator portion 11 a attached to the dial 11.

  The cover member 17 includes a cover main body 17a, a contour light emitting portion 17b, and a colored light transmitting portion 17c. The cover main body 17a is formed integrally with the flat plate portion 17a1 so as to be erected from the edge of the flat plate portion 17a1 toward the dial plate 14 with a flat plate portion 17a1 formed by a translucent member. Leg portion 17a2. As shown in FIG. 4, the end portion 17 a 3 of the leg portion 17 a 2 is positioned and fixed so as to face the cover light source 18 of the wiring board 14, and receives light emitted from the cover light source 18. That is, the end portion 17a3 of the leg portion 17a2 functions as a light receiving portion.

  The contour light emitting portion 17b is an edge portion of the flat plate portion 17a1 in which the leg portions 17a2 of the flat plate portion 17a1 of the cover body 17a are formed. That is, in this best mode, the thickness of the leg portion 17a2 from the edge of the flat plate portion 17a1 is the contour light emitting portion 17b.

  The colored translucent portion 17c is formed on an arbitrary surface of the cover body 17a so as to form the contour light emitting portion 17b, and is visible when the light emission indicator portion 11a emits light, and when the light emitting indicator portion 11a does not emit light, the visual perception is blocked. The colored translucent portion 17c according to the best mode is formed so as to cover the inner surface of the cover main body 17a with black semi-transparent paint or the like, thereby forming the contour light emitting portion 17b on the edge of the cover main body 17a. ing. In addition, the colored translucent part 17c can also be provided in the outer surface of the cover main body 17a.

  According to the cover member 17 configured as described above, when light from the light source 18 for cover is received by the end portion 17a3 of the leg portion 17a2, the light is guided in the cover body 17a, and a part of the light is contoured. The light emitted from the light emitting portion 17b is emitted to the outside as emitted light L (see FIG. 3). When the user visually observes the cover member 17, the flat plate portion 17 a 1 to which the colored light transmitting portion 17 c is applied is visually recognized by the black color of the colored light transmitting portion 17 c and is guided by the light guided through the cover body 17 a. 17b is visually confirmed to emit light. Further, when the light emission indicator portion 11a emits light, the light passes through the colored light transmitting portion 17c and the flat plate portion 17a1 of the cover body 17a and is emitted toward the user. As a result, the user visually recognizes the light emission indicator portion 11a and the contour light emission portion 17b.

  The cover light source 18 is an LED, a bulb, or the like, and is controlled to be turned on and off by the control unit 30 and emits light that is guided through the cover member 17. In the best mode, a light source having a color different from that of the indicator light source 15b described above is used as the cover light source 18 so that the user can visually recognize the light emission indicator portion 11a and the contour light emitting portion 17b in different display colors. Further, the case of further new expression will be described, but the present invention is not limited to this, and various embodiments such as using light sources of the same color can be used.

  The decorative member 19 is provided in front of the dial plate 11 different from the cover member 17 so as to be always visible from the front side of the dial plate 11. The decoration member 19 is disposed so as to cover the center of the dial plate 11, that is, the rotation center of the pointer 12. As shown in FIG. 3, the decorative member 19 is positioned in front of the cover member 17 so as to express the stereoscopic effect of the vehicle display device 10.

  As shown in FIG. 3, the decorative member 19 includes a display unit 19a such as an LCD, and a ring-shaped frame unit 19b that holds the display unit 19a and is surface-treated in a metal tone surrounding the display unit 19a. is doing. And the frame part 19b is always visible from the user through the front glass 3. The display unit 19a causes the control unit 30 to display a predetermined display target content. Specifically, the time is displayed for the speedometer 10A, and the shift position is displayed for the tachometer 10b.

  The display unit 19a is assembled to the frame unit 19b via the becel 19c and the lens 19d. In addition, a holder 19f is assembled behind the display unit 19a via a light guide plate 19e.

  As shown in FIG. 6, the control unit 30 basically includes a microcomputer including a CPU (central processing unit) 31, a ROM (read only memory) 32, and a RAM (optional read / write memory) 33. The CPU 31 executes various processes including control according to the present embodiment in accordance with a control program stored in the ROM 32. The RAM 33 appropriately stores data, programs, and the like necessary for the CPU 31 to execute various processes. The control unit 31 is driven by electric power supplied from a constant voltage power supply 34 connected to a vehicle battery (+ B) or the like.

  An ignition (IGN) switch of the vehicle is connected to the CPU 31 via an input / output circuit, and a light source 15 and a cover light source 18 are connected. Although not shown, the display unit 19a is connected via a driver. The control unit 30 controls the entire combination meter 1 such as the speedometer 10A, the tachometer 10B, and the fuel gauge 10C.

  Next, an example of the lighting control process according to the present invention executed by the CPU 31 described above will be described below with reference to the flowchart of FIG.

  In step S1, initialization for setting initial values in the respective areas and variables of the RAM 33 is executed, and in step S2, it is determined whether or not the IGN switch is turned on. If it is determined that the switch is not ON (N in S2), the determination process is repeated to wait for the IGN switch to be turned ON. On the other hand, if it is determined that it is turned on (Y in S2), the process proceeds to step S3.

  In step S3, a predetermined light source 18 for the cover is turned on, and a timer that times out when a predetermined time elapses is started. In step S4, it is determined whether or not the predetermined time has elapsed based on the timeout of the timer. Is done. If it is determined that the predetermined time has not elapsed (N in S4), this determination process is repeated to wait for the predetermined time to elapse. On the other hand, if it is determined that the timer has timed out, that is, it has been determined that a certain period of time has elapsed (Y in S4), the light source 15 for the light emission indicator portion 11a is turned on in step S5, and then the processing ends.

Thus CPU31, as shifting the emission start timing of the light-emitting indicators portion 11a and the contour emitting portion 18, as is clear from the fact that by controlling the driving of the light-emitting indicators portion 11a and the contour emitting portion 18, This corresponds to the control means in the claims.

  The second display device 20 includes a second display unit 21 such as an LCD, and a second decorative member 21 that surrounds the second display unit 21. The display of the second display unit 21 is controlled by the control unit 30 described above. Moreover, the 2nd decoration member 21 is formed with the resin member surface-treated in the metallic tone similarly to the decoration member 19 mentioned above, so that it can always be visually recognized from the front side (user) of the dial 11, It is provided around the vehicle display device 10.

  Next, an example of the operation (action) of the combination meter 1 using the above-described vehicle display device 10 according to the present invention will be described with reference to the drawing of FIG. Here, the description will be made on the assumption that the light emission indicator portion 11a emits light in white, the indication portion 12a of the pointer 12 in red, and the contour light emitting portion 17b in blue, but the present invention is not limited to this, and the same color It can be set as various embodiments, such as making it light-emit.

  In the non-display state of the vehicle display device 10, as shown in FIG. 8A, only the metal decorative member 19 is visually recognized by the user through the front glass 3, and the other areas are dark. . That is, the black color of the colored translucent part 17c is visually recognized on the cover member 17, the black color on the surface of the dial plate 11 and the turnover 4 is visually recognized in the other areas, and the part other than the decorative member 19 is made a black face. .

  When the IGN switch is turned on, the vehicle display device 10 drives the pointer light source 15a and the cover light source 18 to emit light. As a result, the light emitted from the pointer light source 15a is received by the base 12b of the pointer 12 and guided through the indicator 12a, so that the indicator 12a shines red. Further, the light emitted from the cover light source 18 is received by the leg portion 17a2 of the cover member 17, guided through the leg portion 17a2 toward the cover main body 17a, and part of the light guided at that time is guided. Outgoing from the vicinity of the edge of the cover body 17a, and the emitted light L (see FIG. 3) is directed to the user, the contour light emitting part 17b shines in blue. That is, as shown in FIG. 8B, in addition to the decorative member 19, the instruction portion 12a of the pointer 12 and the contour light emitting portion 17b of the cover member 17 are newly recognized by the user.

  Next, when a certain time has elapsed, the vehicular display device 10 maintains the state in which the pointer light source 15a and the cover light source 18 emit light, and newly drives the indicator light source 15b to emit white light. . As a result, the light emitted from the indicator portion light source 15 b is emitted forward from the light emission indicator portion 11 a of the dial plate 11, and the colored transparent portion 17 c and the cover of the cover member 17 provided in front of the dial plate 11. The light passes through the main body 17a and is emitted toward the user. As a result, as shown in FIG. 8C, in addition to the indication portion 12a of the pointer 12, the contour light emitting portion 17b of the cover member 17, and the decorative member 17b, the light emission indicator portion 11a of the dial 11 is visually recognized by the user. become.

According to the vehicle display apparatus 10 described above, colored translucent portion 17c is formed on any surface of the cover member 17 covering the light-emitting indicator portion 11a, to form a contour emitting portion 17b by the colored translucent portions 17c Since it did in this way, the outline light emission part 17b can be light-emitted by guiding light in the cover member 17. FIG. And when the light emission parameter | index part 11a is not light-emitting, the visual recognition from a user can be blocked | prevented by the cover member 17, and the colored translucent part 17c is visually recognized. Further, when the light emission indicator portion 11 a emits light, the user can visually recognize the light emission indicator portion 11 a through the cover member 17. Accordingly, only the portion where the cover member 17 is provided can be made into a black face, and the portion of the cover member 17 can be three-dimensionalized, so that a display having an impact on the user can be provided.

  In addition, since the light emission index portion 11a and the contour light emission portion 17b are driven so that the light emission start timing is shifted, the display of the light emission index portion 11a and the contour light emission portion 17b can be started step by step. This can provide a more impactful display.

  Furthermore, since the decorative member 19 that can be always viewed from the front side of the dial 11 is provided in front of the dial 11 different from the cover member 17, the black face and the decorative member 19 can be fused. , It is possible to provide a display with even more impact to the user.

  In the above-described embodiment, the case where the contour light emitting portion 17b emits light simultaneously with the indication portion 12a of the pointer 12 as shown in FIG. 8B has been described. However, the present invention is not limited to this, and the pointer Various embodiments such as an embodiment in which only the twelve instruction units 12a are first lit, and then the light emission index unit 11a and the contour light emitting unit 17b emit light simultaneously, and an embodiment in which the contour light emitting unit 17b emits light after the light emission index unit 11a emits light Different embodiments can be provided.

  As described above, the above-described embodiments are merely representative forms of the present invention, and the present invention is not limited to the embodiments. That is, various modifications can be made without departing from the scope of the present invention.

It is a front view of the combination meter using the display apparatus for vehicles of the present invention. It is a cross-sectional enlarged view which shows the cross section of the display apparatus for vehicles of this invention. It is a cross-sectional enlarged view which shows a part of cross section of the display apparatus for vehicles in FIG. It is a cross-sectional enlarged view which shows another part of the cross section of the display apparatus for vehicles in FIG. It is a disassembled perspective view of the combination meter of FIG. It is a block diagram for demonstrating the structure of the control part of the display apparatus for vehicles of this invention. It is a flowchart which shows an example of the lighting control process which CPU in FIG. 6 performs. It is a figure for demonstrating the example of a display of the display apparatus for vehicles of this invention. It is a front view of the conventional combination meter. It is sectional drawing of the display apparatus for vehicles in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Combination meter 10 Vehicle display apparatus 11 Dial 11a Light emission indicator part 12 Pointer 15 Light source 17 Cover member 17a Cover main body 17b Contour light emission part 17c Colored translucent part 18 Cover light source 19 Decoration member 31 Control means (CPU)

Claims (3)

In the vehicle display device in which the light emission indicator portion attached to the dial in an arc shape and the pointer provided in front of the dial cooperate to display the state of the vehicle,
A light guide ring-shaped cover member provided in front of the dial corresponding to the light emission indicator portion , and a light source for cover that emits light guided into the cover member,
The cover member has a light receiving portion that receives light from the light source for the cover, a contour light emitting portion that emits and displays the contour of the light emission indicator portion , and the cover main body so as to form the contour light emitting portion. and wherein the light emitting indicator unit is formed in any surface is visible when emitted at, when not emitting have a, a colored translucent portions to prevent viewing,
The cover body includes a flat plate portion and a pair of legs integrally formed on the flat plate portion so as to stand from the edge portion of the flat plate portion toward the dial plate,
The emission indicator portion is disposed between the pair of legs,
The vehicle display device , wherein the contour light-emitting portion is an edge portion where the leg portion is formed in the flat plate portion of the cover body . To shift the emission start timing of the light emitting indicators section and the contour emitting portion, the vehicle according to claim 1, characterized in that it comprises a control means for controlling the driving of the light emitting indicators section and the contour emitting portion Display device.   3. The vehicle display device according to claim 1, further comprising a decorative member provided in front of the dial plate different from the cover member so as to be always visible from the front side of the dial plate. .

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