WO2015133143A1 - Dispositif de mesure de véhicule - Google Patents

Dispositif de mesure de véhicule Download PDF

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Publication number
WO2015133143A1
WO2015133143A1 PCT/JP2015/001161 JP2015001161W WO2015133143A1 WO 2015133143 A1 WO2015133143 A1 WO 2015133143A1 JP 2015001161 W JP2015001161 W JP 2015001161W WO 2015133143 A1 WO2015133143 A1 WO 2015133143A1
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WO
WIPO (PCT)
Prior art keywords
light source
radial direction
pointer
display
light
Prior art date
Application number
PCT/JP2015/001161
Other languages
English (en)
Japanese (ja)
Inventor
克己 藤田
盛吾 種
Original Assignee
株式会社デンソー
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社デンソー filed Critical 株式会社デンソー
Publication of WO2015133143A1 publication Critical patent/WO2015133143A1/fr

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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
    • G01D13/00—Component parts of indicators for measuring arrangements not specially adapted for a specific variable
    • G01D13/22—Pointers, e.g. settable pointer
    • 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
    • B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
    • 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
    • B60K2360/332—Light emitting diodes
    • 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
    • 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
    • B60K2360/341—Illumination of dials
    • 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
    • B60K2360/695—Dial features

Definitions

  • the present disclosure relates to a vehicle instrument that displays a virtual image of a rotation pointer.
  • Indices such as scales and characters formed side by side in the circumferential direction in the indicator display unit are displayed as real images on the viewer side in the vehicle, and each indicator is indicated by a virtual image display rotation pointer.
  • Vehicle meters are conventionally known.
  • a plurality of reflection surfaces and connection surfaces that are alternately arranged in the radial direction and are connected to each other are formed on the viewing side display surface of the pointer display unit, and are rotated by the drive unit.
  • Directional light emitted from the light source unit is reflected to the viewing side by the respective reflecting surfaces. The viewer can thus perceive the light reflected by the respective reflecting surfaces and thereby visually recognize the rotating pointer that extends in the radial direction and indicates the index as a rotating virtual image display.
  • an indicator display portion provided with a light-shielding colored layer is arranged on the visual recognition side of the pointer display portion except for the indicator portion. Therefore, the light reflected by the reflecting surface of the pointer display unit is restricted from reaching the viewer's eyes through the indicator display unit on the viewing side. In this case, the indicator on the indicator display unit cannot be displayed in a superimposed manner on the rotation pointer that is displayed as a virtual image by the reflected light from the reflecting surface. Therefore, it is difficult for the viewer to accurately grasp the index indicated by the rotation pointer.
  • the present inventors have conducted intensive research on a technique for transmitting the real image display of each index through a pointer display unit arranged on the viewing side of the index display unit.
  • a pointer display unit arranged on the viewing side of the index display unit.
  • the present disclosure has been made based on such knowledge, and an object of the present disclosure is to provide a vehicle instrument that makes it possible to accurately grasp the index indicated by the rotation pointer displayed in a virtual image.
  • a vehicle meter includes an index display unit, a light source unit, a drive unit, and a pointer display unit.
  • the indicator display unit forms a plurality of indicators side by side in the circumferential direction, and displays each of these indicators as a real image on the viewer side of the viewer in the vehicle.
  • the light source unit emits directional light.
  • the drive unit rotationally drives the light source unit in the circumferential direction.
  • the pointer display unit is disposed on the viewing side of the index display unit, has a transmissive display region that allows the real image display of each index to be transmitted in a visually recognizable manner, and a reflective surface and a connection surface that are alternately arranged in the radial direction and connected to each other Are formed on the display surface on the viewing side at least in the transmissive display region.
  • the pointer display unit reflects the light emitted from the light source unit to the viewing side by each reflecting surface, thereby displaying a rotation pointer that extends in the radial direction and indicates an index as a virtual image.
  • the width in the radial direction of each reflecting surface and each connecting surface is limited to the eye resolution or less regarding the viewer.
  • the direction of emission from the light source unit that is rotationally driven by the drive unit The characteristic light is reflected to the viewing side by each reflecting surface.
  • the real image display of each index by the index display unit is transmitted in the transmissive display region which is arranged on the viewing side of the index display unit and forms the reflection surface and the connection surface. Therefore, the rotation pointer displayed as a virtual image in a radially extending form by the reflected light from each reflecting surface indicates an index displayed as a real image through the transmissive display area.
  • the radial width of each reflection surface and each connection surface formed at least in the transmissive display area of the pointer display portion is limited to the resolution of the viewer's eyes or less, and the boundary portion between these reflection surfaces and the connection surface
  • the indicator since it is possible to suppress the visual recognition of each indicator through the transmissive display area from being hindered by the boundary portion between the reflection surface and the connection surface, the indicator can be appropriately superimposed on the rotation pointer for virtual image display. . Therefore, the viewer can accurately grasp the index indicated by the rotation pointer.
  • a vehicle meter includes an index display unit, a light source unit, a drive unit, and a pointer display unit.
  • the indicator display unit forms a plurality of indicators side by side in the circumferential direction, and displays each of these indicators as a real image on the viewer side of the viewer in the vehicle.
  • the light source unit emits directional light.
  • the drive unit rotates the light emission portion from the light source unit in the circumferential direction.
  • the pointer display unit is disposed on the viewing side of the index display unit, has a transmissive display region that allows the real image display of each index to be transmitted in a visually recognizable manner, and a reflective surface and a connection surface that are alternately arranged in the radial direction and connected to each other Are formed on the back surface on the opposite side of the viewing side at least in the transmissive display area.
  • the pointer display unit reflects the light emitted from the light source unit by each reflecting surface and transmits the light to the viewing side, thereby displaying a rotation pointer that extends in the radial direction and indicates the index in a virtual image.
  • the width in the radial direction of each reflecting surface and each connecting surface is limited to the eye resolution or less regarding the viewer.
  • the emission location from the light source unit is the drive unit.
  • the directional light that is rotated by is reflected by each reflecting surface and transmitted to the viewing side.
  • a real image display of each index by the index display unit is transmitted in a transmissive display region which is arranged on the viewing side of the index display unit and forms a reflection surface and a connection surface. Therefore, the rotation pointer displayed as a virtual image in a radially extending form by the reflected light from each reflecting surface indicates an index displayed as a real image through the transmissive display area.
  • the radial width of each reflection surface and each connection surface formed at least in the transmissive display area of the pointer display portion is limited to the resolution of the viewer's eyes or less, and the boundary portion between these reflection surfaces and the connection surface
  • the indicator since it is possible to suppress the visual recognition of each indicator through the transmissive display area from being hindered by the boundary portion between the reflection surface and the connection surface, the indicator can be appropriately superimposed on the rotation pointer for virtual image display. . Therefore, the viewer can accurately grasp the index indicated by the rotation pointer.
  • the width in the radial direction of each reflection surface and each connection surface may be equal to or less than the eye resolution in the visual recognition area on the driver's seat in the vehicle.
  • the boundary portion is formed by the viewer who is positioned in the visual recognition area. It becomes difficult to see. Thus, the viewer can accurately grasp the index indicated by the rotation pointer displayed as a virtual image during driving.
  • the width in the radial direction of each reflection surface and each connection surface may be equal to or less than the eye resolution in both the viewing area and the installation position of the handle in the vehicle.
  • the eye is approached from the visual recognition area to the handle installation position. Even the viewer who made it become difficult to visually recognize a boundary part. As a result, the viewer can accurately grasp the index indicated by the rotation pointer displayed in the virtual image not only during normal driving on the driver's seat but also in a state close to the handle installation position. .
  • FIG. 1 is a plan view schematically showing the inside of a vehicle to which a vehicle instrument according to a first embodiment is applied. It is a front view showing a meter for vehicles by a first embodiment.
  • FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2.
  • FIG. 4 is a schematic view corresponding to the partially enlarged view of FIG. 3. It is a schematic diagram for setting about the radial direction width
  • the vehicle meter 1 As shown in FIG. 1, the vehicle meter 1 according to the first embodiment is a combination meter installed on an instrument panel in a vehicle 2.
  • the “viewing side” in the instrument 1 means the side in which the display information of the instrument 1 is visually recognized by the viewer 4 on the driver's seat 3 in the vehicle 2. Therefore, the “anti-viewing side” in the meter 1 means the side opposite to the “viewing side”.
  • the meter 1 includes a pointer display unit 10, a drive unit 20, a pointer light source unit 30, a cover unit 40, an index display unit 50, an index light source unit 60, and a control unit 70.
  • the pointer display unit 10 made of a translucent resin such as polycarbonate resin has a circular flat plate shape.
  • the position of the pointer display unit 10 is fixed with respect to the vehicle 2 with the display surface 11, which is one plate surface, facing the driver's seat 3 on the viewing side.
  • an annular pointer display region 14 is set in a range straddling between the outer peripheral edge 12 and the central region 13.
  • a transparent display region 140 which will be described in detail later, is set in a part of the pointer display region 14 that is spaced apart from the outer peripheral edge 12 and the central region 13 by a predetermined distance in the radial direction.
  • the pointer display unit 10 has a plurality of display grooves 15 on the display surface 11 of the pointer display area 14 including the transmissive display area 140.
  • Each display groove 15 is provided on a concentric circle so as to extend in the circumferential direction along the outer peripheral edge 12 of the pointer display unit 10.
  • Each display groove 15 is open toward the viewing side and is recessed in a V shape toward the non-viewing side in an arbitrary longitudinal section (for example, the longitudinal section of FIGS. 3 and 4) along the radial direction of the pointer display unit 10. Yes.
  • Each V-shaped display groove 15 has a tapered reflective surface 150 that inclines toward the viewing side as it is separated from the outer peripheral edge 12 in the radial direction, and an anti-viewing side as it is spaced away from the edge 12 in the radial direction.
  • a connecting surface 151 having a tapered surface that slopes toward the center is formed on a concentric circle.
  • a plurality of reflecting surfaces 150 and connecting surfaces 151 are provided in a form in which they are alternately arranged in the radial direction on the display surface 11 of the pointer display region 14 and connected in a mountain shape or a valley shape.
  • each groove 15 of the present embodiment forms a connection surface 151 on the outer peripheral edge 12 side with respect to the reflection surface 150.
  • the inclination angle ⁇ r toward the viewing side with respect to the radial direction of each reflecting surface 150 is set to the same size.
  • the inclination angle ⁇ c toward the viewing side with respect to the radial direction of each connection surface 151 is set to the same magnitude as each other, and is set to the same magnitude in a line-symmetric relationship with the inclination angle ⁇ r of each reflection face 150.
  • the inclination angles ⁇ r and ⁇ c of the surfaces 150 and 151 are set to a constant 45 degrees.
  • the radial width Wr of each reflecting surface 150 is set to the same size.
  • the radial width Wc of each connection surface 151 is set to the same size, and the radial width Wr of each reflection surface 150 is also set to the same size.
  • the arrangement pitch Prc between the surfaces 150 and 151 is aligned at a constant pitch that is the same as the size of the radial widths Wr and Wc, and the display groove 15 with the surfaces 150 and 151 as the inner surface is provided.
  • the depth D is set to a constant depth.
  • the radial widths Wr and Wc of each reflection surface 150 and each connection surface 151 are further limited to the resolution Re or less of the eyes of the viewer 4.
  • the resolution Re is a line segment connecting each point and the eyes of the viewer 4 within a range in which the viewer 4 can recognize the two existing points as individual points. It is represented by the width corresponding to the minimum angle of.
  • the numerical value of the resolution Re a width corresponding to 1/60 degrees in the case of the general viewer 4 determined to have a visual acuity of 1.0 is used with the angle of the cut 5a of the Landolt ring 5 as an index as shown in FIG. Is done.
  • the resolution Re at two specific locations in the vehicle 2 is taken into consideration.
  • the 1st location shown in FIG. 1 is the visual recognition area
  • the viewing area 6 is defined with a distance of, for example, 800 mm from the display surface 11, the resolution Re in the area 6 is, for example, 0.23 mm.
  • the installation position of the handle 7 is the limit position of the proximity when the viewer 4 on the driver's seat 3 brings the eye close to the instrument 1 from the visual recognition area 6. It is. Since the installation position of the handle 7 is defined with a distance of, for example, 300 mm from the display surface 11, the resolution Re at the installation position is, for example, 0.087 mm.
  • each surface 150, 151 of the present embodiment has radial widths Wr, Wc limited to the resolution Re or less of the eye of the viewer 4 in both the viewing area 6 and the installation position of the handle 7, respectively. It extends in the circumferential direction.
  • the drive unit 20 includes a rotary arm 21 and a rotary actuator 22.
  • a rotating arm 21 made of a rigid material such as resin or metal is provided so as to be able to rotate forward and backward around a rotation center line O coaxial with the pointer display unit 10.
  • the rotary arm 21 has a substantially L-shape in a longitudinal section (for example, the longitudinal section in FIG. 3) in the radial direction corresponding to its own rotational position, and is disposed across the radial direction from the non-viewing side of the pointer display unit 10. ing.
  • the rotary actuator 22 such as a stepping motor is disposed on the side opposite to the visual recognition side with respect to the rotary arm 21.
  • the rotation actuator 22 pivotally supports the rotation base end portion 211 of the rotation arm 21 from the non-viewing side by the rotation shaft 220 on the rotation center line O.
  • the rotary actuator 22 rotationally drives the rotary shaft 220 together with the rotary arm 21 in accordance with energization.
  • the pointer light source unit 30 is mainly composed of a directional light emitter 32 such as a laser diode (LD) or a highly directional light emitting diode (LED).
  • the directional light emitter 32 is held by a rotating tip portion 210 located on the radially outer side of the pointer display portion 10 in the rotating arm 21.
  • the rotary actuator 22 can rotate the directional light emitter 32 integrally with the rotary arm 21 in the circumferential direction along the outer peripheral edge 12 of the pointer display unit 10.
  • the directional light emitter 32 emits light such as blue light by emitting light according to energization.
  • the directional light emitter 32 according to the present embodiment is driven in the radial direction of the pointer display unit 10 while being driven to rotate more on the viewing side than the display surface 11 among the portions that are radially outward from the transmissive display region 140. Directivity is given to outgoing light.
  • the emitted light is obliquely applied to the display surface 11 of the pointer display area 14 including the transmissive display area 140 from the directional light emitter 32 positioned radially outside the area 140 as indicated by a broken line arrow in FIG. Incident.
  • each reflecting surface 150 that inclines toward the viewing side as it is separated in the radial direction is separated from the directional illuminator 32 as indicated by the broken-line arrows in FIG.
  • the obliquely incident light is reflected to the viewing side.
  • the rotation pointer 18 (see FIG. 2) is displayed in a virtual image so that it extends in the radial direction of the pointer display unit 10 and forms an image on the viewing side toward the directional light emitter 32 in the radial direction.
  • the broken-line arrows in FIG. 3 typically represent the incidence and reflection of light with respect to the radially outermost reflecting surface 150 and the radially innermost reflecting surface 150.
  • the cover 40 is formed in a cylindrical shape by a light shielding resin such as ABS resin.
  • the cover part 40 accommodates the other components 10, 20, 30, 50, 60, 70 of the meter 1 inside.
  • the inner flange 42 provided at the end on the viewing side of the cover portion 40 covers the vicinity of the outer peripheral edge 12 of the pointer display unit 10, the rotating tip portion 210 and the directional light emitter 32 from the viewing side in a substantially invisible manner. ing.
  • the indicator display unit 50 is provided so as to overlap the back surface 16 on the counter-viewing side which is the side opposite to the display surface 11 in the pointer display unit 10.
  • the index display unit 50 of this embodiment is printed in a flat layer shape that covers the entire back surface 16.
  • the indicator display unit 50 is capable of emitting an indicator 52 such as a scale or a number by forming a translucent print layer 50a such as white in an opening provided partially in the light-shielding print layer 50b such as black. Forming.
  • a plurality of indicators 52 are arranged side by side in the circumferential direction in a partial annular indicator forming region 54 (a range indicated by a two-dot chain line in FIG. 2) extending along the outer peripheral edge 12 of the pointer display unit 10.
  • Each indicator 52 emits light by transmitted illumination from the non-viewing side, so that a real image is displayed on the viewing side.
  • the minimum formation width of each index 52 specifically, the minimum formation width of the scale or the minimum formation width of the number is set to be larger than any of the resolutions Re at the two specific positions described above.
  • each indicator 52 is transmitted by passing through a partial annular transmission display region 140 (a range indicated by a two-dot chain line in FIG. 2) of the pointer display region 14 disposed on the viewing side of the indicator formation region 54. It is visually recognized by the viewer 4.
  • the rotation pointer 18 displayed as a virtual image as shown in FIG.
  • specific vehicle information that is, the traveling speed of the vehicle 2 in this embodiment is notified.
  • the vehicle information to be notified by instructing the indicator 52 by the rotation pointer 18 may be various information related to the vehicle 2 such as the engine speed, the water temperature, the remaining fuel amount, etc., in addition to the traveling speed.
  • the indicator light source section 60 has a plurality of diffused light emitters 62 such as light emitting diodes (LEDs). Each diffused light emitter 62 is positioned on the counter-viewing side of the index formation region 54 by being held by a circuit board 64 such as a glass epoxy board. Each diffuse light emitter 62 emits diffused light of white or the like by emitting light according to energization. Each indicator 52 in the indicator formation region 54 is transmitted and illuminated from the counter-viewing side in cooperation with the diffused light emitters 62 that have emitted light.
  • LEDs light emitting diodes
  • each index 52 may be increased by using a reflector that reflects light.
  • the control unit 70 composed of an electronic circuit such as a microcomputer is disposed on the opposite side of the rotary arm 21.
  • the control unit 70 together with the rotary actuator 22 is positioned by being held by a circuit board 72 such as a glass epoxy board.
  • the control unit 70 is electrically connected to the rotary actuator 22 and the light emitters 32 and 62 and is connected to various sensors and various control circuits of the vehicle 2 so as to communicate with each other.
  • the control unit 70 controls energization to the rotary actuator 22 and the light emitters 32 and 62 based on a signal received from a sensor or control circuit of the vehicle 2.
  • each of the light emitters 32 and 62 emits light, so that each indicator 52 is displayed as a real image, while the rotation pointer 18 displayed as a virtual image rotates and the indicated position of the indicator 52 changes.
  • the pointer display unit 10 that forms a plurality of reflection surfaces 150 and connection surfaces 151 that are alternately arranged in the radial direction and are connected to each other on the viewing side display surface 11, the pointer light source unit 30 that is rotationally driven by the drive unit 20.
  • the directional light emitted from the light is reflected by the reflecting surfaces 150 toward the viewing side.
  • the transmissive display region 140 that is arranged on the viewing side of the indicator display unit 50 and forms the reflection surface 150 and the connection surface 151 in the pointer display unit 10
  • the real image display of each indicator 52 by the indicator display unit 50 is transmitted. Is done. Therefore, the rotation pointer 18 displayed as a virtual image in a radially extending form by the reflected light from each reflecting surface 150 indicates the indicator 52 displayed as a real image through the transmissive display area 140.
  • the radial widths Wr and Wc of at least the surfaces 150 and 151 formed in the transparent display region 140 of the pointer display unit 10 are limited to the resolution Re of the eyes of the viewer 4, the boundary between the surfaces 150 and 151 is obtained.
  • the portion 152 (see FIG. 4) is difficult to be visually recognized by the viewer 4. According to this, since it is possible to suppress the visual recognition of each index 52 through the transmissive display area 140 from being disturbed by the boundary portion 152, the index 52 can be appropriately superimposed and displayed on the rotation pointer 18 for virtual image display. Therefore, the viewer 4 can accurately grasp the index 52 indicated by the rotation pointer 18.
  • the reflection surface 150 and the connection surface 151 in which the radial widths Wr and Wc are limited to the eye resolution Re or less in the visual recognition region 6 on the driver's seat 3 in the vehicle 2 The boundary part 152 becomes difficult to visually recognize by the viewer 4 who performs. Thus, the viewer 4 can accurately grasp the index 52 indicated by the rotation pointer 18 displayed in the virtual image while the vehicle is driving.
  • the reflection surface 150 and the connection surface 151 in which the radial widths Wr and Wc are limited below the eye resolution Re in both the visual recognition region 6 and the installation position of the handle 7 in the vehicle 2 are described in the region 6.
  • the boundary portion 152 is difficult to be visually recognized even by the viewer 4 whose eyes are close to the installation position of the handle 7.
  • the viewer 4 can display the indicator 52 indicated by the rotation pointer 18 displayed in the virtual image not only during the normal driving of the vehicle on the driver's seat 3 but also in the state of being close to the installation position of the handle 7. Accurate grasp is possible.
  • the light emitted from the pointer light source unit 30 on the viewing side from the formation display surface 11 of each reflection surface 150 out of the radial direction from the transmissive display region 140 is at least in the transmissive display region 140.
  • the light is incident obliquely toward the display surface 11.
  • each reflective surface 150 which inclines to the visual recognition side as it leaves
  • the light source part 30 side of radial direction is visually recognized by each reflecting such obliquely incident light.
  • the rotation pointer 18 can be displayed as a virtual image on the side.
  • each index 52 superimposed on the rotation pointer 18 for virtual image display is also given a stereoscopic effect by the real image display that is transmitted through the transmissive display area 140 on the viewing side, so that the texture can be dramatically improved.
  • the transmissive display region 140 that is close to the radially inner side of the light source unit 30 has a light amount directed toward the display surface 11. It can be increased as much as possible. Thereby, in the transmissive display area 140, the brightness of the rotary pointer 18 displayed as a virtual image by the reflected light from the reflecting surface 150 and superimposed on the index 52 can be ensured, which contributes to accurate grasping of the index 52 indicated by the pointer 18. It becomes possible.
  • the index 52 is improved while enhancing the texture of the instrument 1 by the rotation pointer 18 displayed as a virtual image. Can be accurately grasped.
  • the resolution corresponding to 1/60 degrees in the angle of the cut 5a in the Landolt ring 5 is represented by the eye of the viewer 4 determined to have a visual acuity of 1.0 when the ring 5 is used as an index.
  • Generalized resolution According to this, regarding the reflecting surface 150 and the connecting surface 151 whose radial widths Wr and Wc are limited to the eye resolution Re or less, the boundary portion 152 between the surfaces 150 and 151 is visually recognized regardless of the visual acuity variation of the viewer 4. This makes it difficult to accurately grasp the index 52 indicated by the rotation pointer 18 displayed as a virtual image.
  • each reflecting surface 150 of the pointer display unit 10 fixed in position relative to the vehicle 2 is formed concentrically with each connecting surface 151 and extends in the circumferential direction. Regardless of the rotation position of the pointer light source unit 30, the rotation pointer 18 can be displayed as a virtual image by reflecting light.
  • the radial width Wc of each connection surface 151 as well as the radial width Wr of each reflection surface 150 is limited to the eye resolution Re or less, the boundary portion 152 of these surfaces 150 and 151 can be It becomes difficult to be visually recognized at an arbitrary location. According to this, it is possible to achieve an accurate grasp of the index 52 indicated by the rotation pointer 18 displayed in a virtual image while simplifying the structure of the instrument 1 by fixing the position of the pointer display unit 10.
  • the second embodiment is a modification of the first embodiment.
  • the angle of inclination ⁇ r toward the viewing side with respect to the radial direction of each reflecting surface 2150 is increased so that the reflecting surface 2150 spaced radially from the directional light emitter 32 of the pointer light source unit 30 increases. It is different. On the contrary, the inclination angle ⁇ c to the viewing side with respect to the radial direction of each connection surface 2151 is different so that the connection surface 2151 that is separated from the directional light emitter 32 in the radial direction becomes smaller. Therefore, in the second embodiment, the inclination angles ⁇ r and ⁇ c of the surfaces 2150 and 2151 are not uniform.
  • the angle ⁇ i with respect to the radial direction of the light incident on the radial center 2150c from the directional illuminant 32 simulated as a point light source is set to be as far as the reflecting surface 2150 spaced from the directional illuminant 32, for example, It is formed so as to decrease by a certain angle such as 1 degree.
  • the respective inclination angles ⁇ r are set so that the reflection direction of the light incident on the radial center 2150c is substantially parallel.
  • each reflective surface 2150 is made different so that the reflective surface 2150 that is radially spaced from the directional light emitter 32 becomes smaller.
  • the radial width Wc of each connection surface 2151 is different so that the connection surface 2151 spaced from the directional light emitter 32 in the radial direction becomes larger.
  • the inclination angle ⁇ r with respect to the radial direction of each reflective surface 2150 is set to be larger for the reflective surface 2150 that is separated from the pointer light source unit 30 in the radial direction. According to the setting of the inclination angle ⁇ r, the incident angle of light on each reflecting surface 2150 can be appropriately adjusted according to the distance from the pointer light source unit 30, and thus the variation in the light reflecting direction by each reflecting surface 2150. Can be reduced.
  • the third embodiment is a modification of the first embodiment.
  • the directional illuminant 32 of the pointer light source unit 3030 faces the outer peripheral edge 12 of the pointer display unit 10 along the circumferential direction among the locations that are radially outward from the transmissive display region 140. And is driven to rotate. Thereby, the light emitted from the directional light emitter 32 on the radially outer side of the transmissive display region 140 is given the directivity along the radial direction and enters the pointer display unit 10 from the outer peripheral edge 12. The incident light is guided to the respective reflecting surfaces 150 by being transmitted through the pointer display unit 10 or reflected by the surfaces 11 and 16.
  • each reflecting surface 150 that inclines toward the viewing side as it is separated in the radial direction is separated from the directional illuminant 32 as indicated by a broken line arrow in FIG. Are reflected to the viewer side.
  • the rotation pointer 18 is displayed as a virtual image so as to extend in the radial direction of the pointer display unit 10.
  • the broken-line arrows in FIG. 7 schematically represent the incidence and reflection of light with respect to the radially outermost reflecting surface 150 and the radially innermost reflecting surface 150.
  • the pointer light source unit 3030 emits at a position facing the outer peripheral edge 12 of the pointer display unit 10 along the circumferential direction among the positions deviated from the transmission display region 140 in the radial direction.
  • the directional light to be directed toward each reflecting surface 150 by light guide in the pointer display unit 10.
  • the rotation pointer 18 can be displayed as a virtual image by reflecting the light from the pointer light source unit 3030. . Therefore, the real image display of each index 52 can be visually and stereoscopically superimposed on the virtual image display of the rotation pointer 18. According to this, it is possible to contribute to the accurate grasp of the index 52 indicated by the rotation pointer 18 while giving a stereoscopic effect to the display and enhancing the texture of the instrument 1.
  • the directional light emitter 32 of the pointer light source unit 3030 projects to the viewing side from the display surface 11 of the pointer display unit 10 by facing the outer peripheral edge 12 of the pointer display unit 10. Can be suppressed. According to this, it becomes possible to contribute to the miniaturization of the meter 1.
  • the fourth embodiment is a modification of the third embodiment.
  • the index display unit 4050 of the fourth embodiment is configured by an index formation area 54 set in the image display panel 4051.
  • the image display panel 4051 is a liquid crystal panel such as a TFT.
  • the image display panel 4051 is arranged so as to overlap the back surface 16 of the pointer display unit 10, so that a real image can be displayed on the viewing side.
  • the image display panel 4051 forms each index 52 with an image in the index formation area 54.
  • the image display panel 4051 is transmitted and illuminated from the non-viewing side by an index light source unit 4060 formed by combining a plurality of light emitting diodes (LEDs).
  • Each indicator 52 formed by an image on the image display panel 4051 receives such transmitted illumination and emits light, whereby a real image is displayed on the viewing side.
  • the real image display of each index 52 is visually recognized by the viewer 4 by transmitting through the transmissive display area 140 disposed on the viewing side of the index forming area 54.
  • the index light source unit 4060 emits diffused light such as white according to energization, thereby causing the image display panel 4051 to emit an image such as each index 52 that is displayed in monochrome or color.
  • the image display panel 4051 forms an image other than the index 52 in an area other than the index formation area 54 as an image that is displayed as a real image on the viewer side through the transmissive display area 140, so that vehicle information other than the traveling speed is displayed. You may notify.
  • the transmissive display region 140 that is arranged on the viewing side of the index display unit 4050 and forms the reflection surface 150 and the connection surface 151, the real image display of each index 52 by the display unit 4050 is transmitted. Is done.
  • the rotation pointer 18 displayed as a virtual image in a radially extending form by the reflected light from each reflective surface 150 can indicate any of the indicators 52 displayed as real images through the transmissive display area 140.
  • each index 52 is formed by an image on the index display unit 4050 configured from the index formation area 54 in the image display panel 4051.
  • each index 52 is accurately displayed to the viewer 4. It is possible to increase the effect to be grasped.
  • the minimum of each index 52 is within a range larger than any of the resolutions Re at the two specific locations described in the first embodiment. A formation width is set.
  • the fifth embodiment is a modification of the fourth embodiment.
  • the pointer display unit 5010 of the fifth embodiment has a plurality of display grooves 15 on the back surface 16 on the counter-viewing side that is opposite to the viewing side in the pointer display region 14 including the transmissive display region 140.
  • Each of the display grooves 15 of the pointer display unit 5010 has a tapered reflective surface 150 that inclines toward the viewing side as it is radially separated from the outer peripheral edge 12, and is anti-visible as it is spaced from the edge 12 in the radial direction. It is formed on the same edge 12 side than the connecting surface 151 having a tapered surface inclined to the side.
  • the directional light emitter 32 of the pointer light source unit 3030 is opposed to the outer peripheral edge 12 of the pointer display unit 5010 along the circumferential direction among the portions that are radially outward from the transmissive display region 140. It is rotationally driven by the drive unit 20 at a location. Thereby, about the light radiate
  • the light emitted from the directional light emitter 32 is incident on the pointer display portion 5010 from a position corresponding to the rotational position of the directional light emitter 32 in the outer peripheral edge 12, thereby causing the display portion 5010 to enter the display portion 5010.
  • the light is guided by transmission or by reflection at the surfaces 11, 16 and travels toward the respective reflection surfaces 150.
  • the reflecting surfaces 150 that incline toward the viewing side as they are separated from each other in the radial direction are separated from the directional illuminator 32 as indicated by broken line arrows in FIG. Are reflected to the viewer side.
  • the rotation pointer 18 is displayed as a virtual image so as to extend in the radial direction of the pointer display portion 5010.
  • the broken-line arrows in FIG. 9 schematically represent the state of incidence and reflection of light with respect to the radially outermost reflecting surface 150 and the radially innermost reflecting surface 150.
  • the emission portion from the pointer light source unit 3030 is the drive unit 20.
  • the directional light that is rotated by is reflected by each reflecting surface 150 and transmitted to the viewing side.
  • the real image display of each index 52 by the display unit 4050 is transmitted through the transparent display region 140 arranged on the viewing side of the index display unit 4050 in the pointer display unit 5010. Therefore, the rotation pointer 18 displayed as a virtual image in a radially extending form by the reflected light from each reflecting surface 150 indicates the indicator 52 displayed as a real image through the transmissive display area 140.
  • the radial widths Wr and Wc of at least the surfaces 150 and 151 formed in the transmissive display region 140 of the pointer display unit 5010 are limited to be less than or equal to the resolution Re of the eyes of the viewer 4, the boundary between the surfaces 150 and 151.
  • the part 152 becomes difficult to be visually recognized. According to this, since it is possible to suppress the visual recognition of each index 52 through the transmissive display area 140 from being disturbed by the boundary portion 152, the index 52 can be appropriately superimposed and displayed on the rotation pointer 18 for virtual image display. Therefore, the viewer 4 can accurately grasp the index 52 indicated by the rotation pointer 18.
  • the pointer light source unit 3030 emits light at a location facing the outer peripheral edge 12 along the circumferential direction, out of the locations deviated from the transmissive display region 140 in the radial direction.
  • the directional light to be directed toward each reflecting surface 150 by light guide in the pointer display unit 5010.
  • the rotation pointer 18 can be displayed as a virtual image by reflecting the light from the pointer light source unit 3030. . Therefore, according to the same principle as in the third embodiment, it is possible to contribute to the accurate grasp of the index 52 indicated by the rotation pointer 18 while giving a stereoscopic effect to the display and enhancing the texture of the instrument 1.
  • the sixth embodiment is a modification of the fifth embodiment.
  • the pointer light source unit 6030 of the sixth embodiment is provided in the vicinity of the outer peripheral edge 12 in the pointer display unit 5010 and the light source region 6035 set outside the index formation region 54 as the index display unit 4050 in the image display panel 4051.
  • the light source surface 6036 is combined.
  • the light source region 6035 is set in a portion of the image display panel 4051 that is substantially invisible by the inner flange 42.
  • the light source surface 6036 is provided in a tapered surface at a portion of the pointer display portion 5010 that is substantially invisible by the inner flange 42.
  • the tapered light source surface 6036 is inclined toward the viewing side as it is separated from the outer peripheral edge 12 in the radial direction.
  • the image display panel 4051 functioning as the “driving unit” forms a rotating light source image 6051 a rotating in the circumferential direction along the outer peripheral edge 12 of the pointer display unit 5010 in the light source region 6035.
  • the light of the rotating light source image 6051a emitted from the light source region 6035 to the viewer side enters the pointer display unit 5010 from the back surface 16.
  • the light of the rotating light source image 6051a is guided to a location corresponding to the rotational position of the rotating light source image 6051a in the light source surface 6036, and is reflected at the location.
  • the light reflected by the light source surface 6036 is given directivity along the radial direction as light emitted radially outside the transmissive display region 140 and from the viewing side of each reflective surface 150.
  • the directional light having the reflection portion on the light source surface 6036 as the emission portion is guided to the respective reflection surfaces 150 by being transmitted through the pointer display unit 5010 or by reflection on the surfaces 11 and 16.
  • each reflecting surface 150 that inclines toward the viewing side as it is separated from the light source surface 6036 in the radial direction reflects the light from the light source surface 6036 toward the viewing side, as indicated by the dashed arrows in FIG.
  • the rotation pointer 18 is displayed as a virtual image so as to extend in the radial direction of the pointer display portion 5010.
  • the broken-line arrows in FIG. 10 schematically represent the incidence and reflection of light with respect to the radially outermost reflecting surface 150 and the radially innermost reflecting surface 150.
  • the image display panel 4051 that forms the index 52 is effectively used as a “drive unit”, so that the need to mechanically drive the pointer light source unit 6030 can be released.
  • the pointer light source unit 6030 has a simple structure in which a light source region 6035 that forms a rotating light source image 6051a by further effectively using the image display panel 4051 and a light source surface 6036 that reflects light of the image 6051a are combined. The exit point of the characteristic light can be rotated.
  • the light source surface 6036 is provided by the effective use of the pointer display portions 5010 that form the respective reflecting surfaces 150, thereby further enhancing the structure simplification effect. For this reason, according to the sixth embodiment, it is possible to achieve an accurate grasp of the indicator 52 indicated by the rotation pointer 18 displayed in a virtual image while simplifying the structure in the instrument 1.
  • a rotating light guide 1033 having the same configuration as that of the rotating arm 21 except that it is made of a translucent resin, and a light emitting diode
  • the pointer light source units 30 and 3030 may be configured from a predetermined number of diffused light emitters 1034 such as (LED).
  • the rotating light guide 1033 directs the incident light from the diffused light emitter 1034 to the rotating base end 1331 to the rotating tip 1330, thereby directing the light emitted from the tip 1330. Sex is given.
  • FIG. 11 has shown the modification 1 of 1st embodiment.
  • the indicator display unit 50 may be arranged separately from the back surface 16 of the pointer display unit 10 on the viewing side.
  • the index display unit 50 is formed, for example, by laminating the print layers 50a and 50b on a translucent base material 1050c formed separately from the pointer display unit 10.
  • FIG. 12 shows a second modification of the first embodiment.
  • the index forming region 54 of the image display panel 4051 arranged on the viewing side is separated from the back surface 16 of the pointer display units 10 and 5010.
  • the indicator display unit 4050 may be configured to include.
  • FIG. 13 shows a third modification of the fifth embodiment.
  • the pointer display units 10 and 5010 provided so as to be rotatable with respect to the vehicle 2 are rotated.
  • the arm 21 may be rotationally driven together with the directional light emitter 32.
  • FIG. 14 has shown the further modification 4 in the case of the modification 2 regarding 1st embodiment.
  • the reflection surfaces 150 and 2150 and the connection surface are provided only in a specific radial direction in which the emitted light from the directional light emitter 32 travels. 151 and 1511, may be alternately arranged.
  • the columnar rotating body 1021 is connected to the central area 13 of the pointer display units 10 and 5010 and the index display unit 50 through the index display units 50 and 4050.
  • 4050 may pass through the central region, and the directional light emitter 32 may be positioned at a location deviated radially inward from the transmissive display region 140.
  • the reflective surface 150 that inclines toward the viewing side as it is radially separated from the directional light emitter 32 on the central region 13 side, and anti-visually as it is separated from the light emitter 32 in the radial direction.
  • a connection surface 151 inclined to the side is formed by each display groove 15.
  • FIG. 15 shows a sixth modification of the first embodiment.
  • the light source surface 6036 may be positioned in the central region 13 of the pointer display unit 5010 as a location deviated radially inward from the transmissive display region 140.
  • the reflecting surface 150 that inclines toward the viewing side as it is radially separated from the light source surface 6036 on the central region 13 side, and toward the non-viewing side as it is spaced away from the light source surface 6036 in the radial direction.
  • an inclined connection surface 151 is formed by each display groove 15.
  • the light source surface 6036 of the pointer light source unit 6030 may be formed by an optical reflecting member 1036 other than the pointer display unit 5010.
  • the pointer display unit 10 of the first embodiment is adopted instead of the pointer display unit 5010, and the reflecting surface 150 of the display unit 10 is adopted.
  • the emitted light from the pointer light source unit 6030 may be reflected to the viewing side.
  • FIG. 18 shows a tenth modification of the fifth embodiment.
  • the radial widths Wr and Wc of the surfaces 150 and 151 may be set to irregular widths according to the second embodiment.
  • a translucent reflective layer is laminated on each of the reflective surfaces 150 and 2150 as long as the real image display of the index 52 can be transmitted in the transmissive display region 140. May be.
  • a reflective layer may be laminated on each connection surface 151, 1511.
  • the reflective surfaces 150 and 2150 and the connection surfaces 151 and 151 are provided only in the transmissive display region 140 located on the visual recognition side of the indicator forming region 54 in the pointer display region 14. May be. Further, in Modification 14 regarding the first to sixth embodiments, the radial width Wc of the surfaces 151 and 2151 may be set to a substantially zero value that is equal to or less than the resolution Re without tilting the connection surfaces 151 and 151. .
  • the radial width is set so as to be not less than the resolution Re of the eyes of the viewer 4 at the installation position of the handle 7 and not more than the resolution Re of the eyes of the viewer 4 in the viewing area 6.
  • Wr and Wc may be set.
  • the radial widths Wr, Wc are below the resolution Re of the eye of the viewer 4 in the vehicle 2 other than the viewing area 6 and the installation position of the handle 7. May be set.
  • a reflective connecting surface having a ring shape may be additionally formed in an annular planar shape along the radial direction.
  • the reflective surfaces 150 and 2150 and the connection surfaces 151 and 1511 are alternately arranged in the radial direction via the reflective connection surface provided on at least one of the radially outer side and the radially inner side. It will be.
  • the resolution Re is generalized with respect to the eyes of the viewer 4, the resolution corresponding to an angle of the cut 5 a with the Landolt ring 5 as an index other than 1/60 degrees. May be adopted as a setting reference for the radial widths Wr and Wc.
  • the image display panel 4051 for example, a self-luminous EL display panel may be adopted in addition to the liquid crystal display panel.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Measuring Devices (AREA)
  • Instrument Panels (AREA)

Abstract

Selon l'invention, une partie d'affichage d'indices (50) affiche une image réelle d'une pluralité d'indices (52) disposés dans une direction périphérique vers un côté de visualisation. Une partie de source de lumière (30) émet une lumière directionnelle. Une partie d'entraînement (20) entraîne en rotation la partie de source de lumière dans la direction périphérique. Une partie d'affichage de pointeur (10) possède une zone d'affichage à transmission (140), qui est disposée sur le côté de visualisation de la partie d'affichage d'indices et qui transmet l'affichage de l'image réelle des indices respectifs à travers celle-ci. Des surfaces de réflexion (150) et des surfaces de liaison (151), qui sont disposées en alternance dans une direction radiale et qui sont reliées les unes aux autres, sont formées sur une surface d'affichage (11) sur le côté de visualisation au moins dans la zone d'affichage à transmission. La partie d'affichage de pointeur réfléchit la lumière émise par la partie de source de lumière vers le côté de visualisation par les surfaces de réflexion respectives, de façon à afficher ainsi une image virtuelle d'un pointeur rotatif (18) qui s'étend dans la direction radiale et qui pointe vers un indice. Les largeurs dans la direction radiale de la surface de réflexion et de la surface de liaison sont limitées à la résolution de l'œil d'un observateur, ou en dessous de celle-ci.
PCT/JP2015/001161 2014-03-07 2015-03-05 Dispositif de mesure de véhicule WO2015133143A1 (fr)

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JP2014045409 2014-03-07
JP2014-045409 2014-03-07
JP2015-030668 2015-02-19
JP2015030668A JP6384356B2 (ja) 2014-03-07 2015-02-19 車両用計器

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JP7139924B2 (ja) * 2018-12-05 2022-09-21 株式会社デンソー 表示装置

Citations (7)

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Publication number Priority date Publication date Assignee Title
JPH04122320U (ja) * 1991-04-23 1992-11-02 矢崎総業株式会社 指示計器
JP2000213964A (ja) * 1999-01-22 2000-08-04 Harness Syst Tech Res Ltd 表示装置
JP2003302262A (ja) * 2001-09-25 2003-10-24 Denso Corp 車両用指針計器
JP2004340915A (ja) * 2003-04-23 2004-12-02 Denso Corp 車両用計器
JP2007033268A (ja) * 2005-07-27 2007-02-08 Denso Corp 車両用指針計器
JP2010127679A (ja) * 2008-11-26 2010-06-10 Calsonic Kansei Corp 計器表示装置
JP2010276496A (ja) * 2009-05-29 2010-12-09 Nippon Seiki Co Ltd 表示装置

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Publication number Priority date Publication date Assignee Title
DE19529390A1 (de) * 1995-08-10 1997-02-13 Vdo Schindling Kombinationsinstrument

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04122320U (ja) * 1991-04-23 1992-11-02 矢崎総業株式会社 指示計器
JP2000213964A (ja) * 1999-01-22 2000-08-04 Harness Syst Tech Res Ltd 表示装置
JP2003302262A (ja) * 2001-09-25 2003-10-24 Denso Corp 車両用指針計器
JP2004340915A (ja) * 2003-04-23 2004-12-02 Denso Corp 車両用計器
JP2007033268A (ja) * 2005-07-27 2007-02-08 Denso Corp 車両用指針計器
JP2010127679A (ja) * 2008-11-26 2010-06-10 Calsonic Kansei Corp 計器表示装置
JP2010276496A (ja) * 2009-05-29 2010-12-09 Nippon Seiki Co Ltd 表示装置

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